diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/README.md b/vendor/github.com/uber/jaeger-client-go/thrift/README.md
index 1d8e642..c4c38ae 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/README.md
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/README.md
@@ -1,7 +1,11 @@
 # Apache Thrift
 
-This is a partial copy of Apache Thrift v0.10 (https://github.com/apache/thrift/commit/b2a4d4ae21c789b689dd162deb819665567f481c).
+This is a partial copy of Apache Thrift v0.14.1 (https://github.com/apache/thrift/commit/f6fa1794539e68ac294038ac388d6bde40a6c237).
 
-It is vendored code to avoid compatibility issues introduced in Thrift  v0.11.
+It is vendored code to avoid compatibility issues with Thrift versions.
 
-See https://github.com/jaegertracing/jaeger-client-go/pull/303.
+The file logger.go is modified to remove dependency on "testing" (see Issue #585).
+
+See:
+  * https://github.com/jaegertracing/jaeger-client-go/pull/584
+  * https://github.com/jaegertracing/jaeger-client-go/pull/303
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/application_exception.go b/vendor/github.com/uber/jaeger-client-go/thrift/application_exception.go
index 6655cc5..32d5b01 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/application_exception.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/application_exception.go
@@ -19,6 +19,10 @@
 
 package thrift
 
+import (
+	"context"
+)
+
 const (
 	UNKNOWN_APPLICATION_EXCEPTION  = 0
 	UNKNOWN_METHOD                 = 1
@@ -28,14 +32,31 @@
 	MISSING_RESULT                 = 5
 	INTERNAL_ERROR                 = 6
 	PROTOCOL_ERROR                 = 7
+	INVALID_TRANSFORM              = 8
+	INVALID_PROTOCOL               = 9
+	UNSUPPORTED_CLIENT_TYPE        = 10
 )
 
+var defaultApplicationExceptionMessage = map[int32]string{
+	UNKNOWN_APPLICATION_EXCEPTION:  "unknown application exception",
+	UNKNOWN_METHOD:                 "unknown method",
+	INVALID_MESSAGE_TYPE_EXCEPTION: "invalid message type",
+	WRONG_METHOD_NAME:              "wrong method name",
+	BAD_SEQUENCE_ID:                "bad sequence ID",
+	MISSING_RESULT:                 "missing result",
+	INTERNAL_ERROR:                 "unknown internal error",
+	PROTOCOL_ERROR:                 "unknown protocol error",
+	INVALID_TRANSFORM:              "Invalid transform",
+	INVALID_PROTOCOL:               "Invalid protocol",
+	UNSUPPORTED_CLIENT_TYPE:        "Unsupported client type",
+}
+
 // Application level Thrift exception
 type TApplicationException interface {
 	TException
 	TypeId() int32
-	Read(iprot TProtocol) (TApplicationException, error)
-	Write(oprot TProtocol) error
+	Read(ctx context.Context, iprot TProtocol) error
+	Write(ctx context.Context, oprot TProtocol) error
 }
 
 type tApplicationException struct {
@@ -43,8 +64,17 @@
 	type_   int32
 }
 
+var _ TApplicationException = (*tApplicationException)(nil)
+
+func (tApplicationException) TExceptionType() TExceptionType {
+	return TExceptionTypeApplication
+}
+
 func (e tApplicationException) Error() string {
-	return e.message
+	if e.message != "" {
+		return e.message
+	}
+	return defaultApplicationExceptionMessage[e.type_]
 }
 
 func NewTApplicationException(type_ int32, message string) TApplicationException {
@@ -55,19 +85,20 @@
 	return p.type_
 }
 
-func (p *tApplicationException) Read(iprot TProtocol) (TApplicationException, error) {
-	_, err := iprot.ReadStructBegin()
+func (p *tApplicationException) Read(ctx context.Context, iprot TProtocol) error {
+	// TODO: this should really be generated by the compiler
+	_, err := iprot.ReadStructBegin(ctx)
 	if err != nil {
-		return nil, err
+		return err
 	}
 
 	message := ""
 	type_ := int32(UNKNOWN_APPLICATION_EXCEPTION)
 
 	for {
-		_, ttype, id, err := iprot.ReadFieldBegin()
+		_, ttype, id, err := iprot.ReadFieldBegin(ctx)
 		if err != nil {
-			return nil, err
+			return err
 		}
 		if ttype == STOP {
 			break
@@ -75,68 +106,75 @@
 		switch id {
 		case 1:
 			if ttype == STRING {
-				if message, err = iprot.ReadString(); err != nil {
-					return nil, err
+				if message, err = iprot.ReadString(ctx); err != nil {
+					return err
 				}
 			} else {
-				if err = SkipDefaultDepth(iprot, ttype); err != nil {
-					return nil, err
+				if err = SkipDefaultDepth(ctx, iprot, ttype); err != nil {
+					return err
 				}
 			}
 		case 2:
 			if ttype == I32 {
-				if type_, err = iprot.ReadI32(); err != nil {
-					return nil, err
+				if type_, err = iprot.ReadI32(ctx); err != nil {
+					return err
 				}
 			} else {
-				if err = SkipDefaultDepth(iprot, ttype); err != nil {
-					return nil, err
+				if err = SkipDefaultDepth(ctx, iprot, ttype); err != nil {
+					return err
 				}
 			}
 		default:
-			if err = SkipDefaultDepth(iprot, ttype); err != nil {
-				return nil, err
+			if err = SkipDefaultDepth(ctx, iprot, ttype); err != nil {
+				return err
 			}
 		}
-		if err = iprot.ReadFieldEnd(); err != nil {
-			return nil, err
+		if err = iprot.ReadFieldEnd(ctx); err != nil {
+			return err
 		}
 	}
-	return NewTApplicationException(type_, message), iprot.ReadStructEnd()
+	if err := iprot.ReadStructEnd(ctx); err != nil {
+		return err
+	}
+
+	p.message = message
+	p.type_ = type_
+
+	return nil
 }
 
-func (p *tApplicationException) Write(oprot TProtocol) (err error) {
-	err = oprot.WriteStructBegin("TApplicationException")
+func (p *tApplicationException) Write(ctx context.Context, oprot TProtocol) (err error) {
+	err = oprot.WriteStructBegin(ctx, "TApplicationException")
 	if len(p.Error()) > 0 {
-		err = oprot.WriteFieldBegin("message", STRING, 1)
+		err = oprot.WriteFieldBegin(ctx, "message", STRING, 1)
 		if err != nil {
 			return
 		}
-		err = oprot.WriteString(p.Error())
+		err = oprot.WriteString(ctx, p.Error())
 		if err != nil {
 			return
 		}
-		err = oprot.WriteFieldEnd()
+		err = oprot.WriteFieldEnd(ctx)
 		if err != nil {
 			return
 		}
 	}
-	err = oprot.WriteFieldBegin("type", I32, 2)
+	err = oprot.WriteFieldBegin(ctx, "type", I32, 2)
 	if err != nil {
 		return
 	}
-	err = oprot.WriteI32(p.type_)
+	err = oprot.WriteI32(ctx, p.type_)
 	if err != nil {
 		return
 	}
-	err = oprot.WriteFieldEnd()
+	err = oprot.WriteFieldEnd(ctx)
 	if err != nil {
 		return
 	}
-	err = oprot.WriteFieldStop()
+	err = oprot.WriteFieldStop(ctx)
 	if err != nil {
 		return
 	}
-	err = oprot.WriteStructEnd()
+	err = oprot.WriteStructEnd(ctx)
 	return
 }
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/binary_protocol.go b/vendor/github.com/uber/jaeger-client-go/thrift/binary_protocol.go
index 690d341..45c880d 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/binary_protocol.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/binary_protocol.go
@@ -21,6 +21,7 @@
 
 import (
 	"bytes"
+	"context"
 	"encoding/binary"
 	"errors"
 	"fmt"
@@ -31,190 +32,220 @@
 type TBinaryProtocol struct {
 	trans         TRichTransport
 	origTransport TTransport
-	reader        io.Reader
-	writer        io.Writer
-	strictRead    bool
-	strictWrite   bool
+	cfg           *TConfiguration
 	buffer        [64]byte
 }
 
 type TBinaryProtocolFactory struct {
-	strictRead  bool
-	strictWrite bool
+	cfg *TConfiguration
 }
 
+// Deprecated: Use NewTBinaryProtocolConf instead.
 func NewTBinaryProtocolTransport(t TTransport) *TBinaryProtocol {
-	return NewTBinaryProtocol(t, false, true)
+	return NewTBinaryProtocolConf(t, &TConfiguration{
+		noPropagation: true,
+	})
 }
 
+// Deprecated: Use NewTBinaryProtocolConf instead.
 func NewTBinaryProtocol(t TTransport, strictRead, strictWrite bool) *TBinaryProtocol {
-	p := &TBinaryProtocol{origTransport: t, strictRead: strictRead, strictWrite: strictWrite}
+	return NewTBinaryProtocolConf(t, &TConfiguration{
+		TBinaryStrictRead:  &strictRead,
+		TBinaryStrictWrite: &strictWrite,
+
+		noPropagation: true,
+	})
+}
+
+func NewTBinaryProtocolConf(t TTransport, conf *TConfiguration) *TBinaryProtocol {
+	PropagateTConfiguration(t, conf)
+	p := &TBinaryProtocol{
+		origTransport: t,
+		cfg:           conf,
+	}
 	if et, ok := t.(TRichTransport); ok {
 		p.trans = et
 	} else {
 		p.trans = NewTRichTransport(t)
 	}
-	p.reader = p.trans
-	p.writer = p.trans
 	return p
 }
 
+// Deprecated: Use NewTBinaryProtocolFactoryConf instead.
 func NewTBinaryProtocolFactoryDefault() *TBinaryProtocolFactory {
-	return NewTBinaryProtocolFactory(false, true)
+	return NewTBinaryProtocolFactoryConf(&TConfiguration{
+		noPropagation: true,
+	})
 }
 
+// Deprecated: Use NewTBinaryProtocolFactoryConf instead.
 func NewTBinaryProtocolFactory(strictRead, strictWrite bool) *TBinaryProtocolFactory {
-	return &TBinaryProtocolFactory{strictRead: strictRead, strictWrite: strictWrite}
+	return NewTBinaryProtocolFactoryConf(&TConfiguration{
+		TBinaryStrictRead:  &strictRead,
+		TBinaryStrictWrite: &strictWrite,
+
+		noPropagation: true,
+	})
+}
+
+func NewTBinaryProtocolFactoryConf(conf *TConfiguration) *TBinaryProtocolFactory {
+	return &TBinaryProtocolFactory{
+		cfg: conf,
+	}
 }
 
 func (p *TBinaryProtocolFactory) GetProtocol(t TTransport) TProtocol {
-	return NewTBinaryProtocol(t, p.strictRead, p.strictWrite)
+	return NewTBinaryProtocolConf(t, p.cfg)
+}
+
+func (p *TBinaryProtocolFactory) SetTConfiguration(conf *TConfiguration) {
+	p.cfg = conf
 }
 
 /**
  * Writing Methods
  */
 
-func (p *TBinaryProtocol) WriteMessageBegin(name string, typeId TMessageType, seqId int32) error {
-	if p.strictWrite {
+func (p *TBinaryProtocol) WriteMessageBegin(ctx context.Context, name string, typeId TMessageType, seqId int32) error {
+	if p.cfg.GetTBinaryStrictWrite() {
 		version := uint32(VERSION_1) | uint32(typeId)
-		e := p.WriteI32(int32(version))
+		e := p.WriteI32(ctx, int32(version))
 		if e != nil {
 			return e
 		}
-		e = p.WriteString(name)
+		e = p.WriteString(ctx, name)
 		if e != nil {
 			return e
 		}
-		e = p.WriteI32(seqId)
+		e = p.WriteI32(ctx, seqId)
 		return e
 	} else {
-		e := p.WriteString(name)
+		e := p.WriteString(ctx, name)
 		if e != nil {
 			return e
 		}
-		e = p.WriteByte(int8(typeId))
+		e = p.WriteByte(ctx, int8(typeId))
 		if e != nil {
 			return e
 		}
-		e = p.WriteI32(seqId)
+		e = p.WriteI32(ctx, seqId)
 		return e
 	}
 	return nil
 }
 
-func (p *TBinaryProtocol) WriteMessageEnd() error {
+func (p *TBinaryProtocol) WriteMessageEnd(ctx context.Context) error {
 	return nil
 }
 
-func (p *TBinaryProtocol) WriteStructBegin(name string) error {
+func (p *TBinaryProtocol) WriteStructBegin(ctx context.Context, name string) error {
 	return nil
 }
 
-func (p *TBinaryProtocol) WriteStructEnd() error {
+func (p *TBinaryProtocol) WriteStructEnd(ctx context.Context) error {
 	return nil
 }
 
-func (p *TBinaryProtocol) WriteFieldBegin(name string, typeId TType, id int16) error {
-	e := p.WriteByte(int8(typeId))
+func (p *TBinaryProtocol) WriteFieldBegin(ctx context.Context, name string, typeId TType, id int16) error {
+	e := p.WriteByte(ctx, int8(typeId))
 	if e != nil {
 		return e
 	}
-	e = p.WriteI16(id)
+	e = p.WriteI16(ctx, id)
 	return e
 }
 
-func (p *TBinaryProtocol) WriteFieldEnd() error {
+func (p *TBinaryProtocol) WriteFieldEnd(ctx context.Context) error {
 	return nil
 }
 
-func (p *TBinaryProtocol) WriteFieldStop() error {
-	e := p.WriteByte(STOP)
+func (p *TBinaryProtocol) WriteFieldStop(ctx context.Context) error {
+	e := p.WriteByte(ctx, STOP)
 	return e
 }
 
-func (p *TBinaryProtocol) WriteMapBegin(keyType TType, valueType TType, size int) error {
-	e := p.WriteByte(int8(keyType))
+func (p *TBinaryProtocol) WriteMapBegin(ctx context.Context, keyType TType, valueType TType, size int) error {
+	e := p.WriteByte(ctx, int8(keyType))
 	if e != nil {
 		return e
 	}
-	e = p.WriteByte(int8(valueType))
+	e = p.WriteByte(ctx, int8(valueType))
 	if e != nil {
 		return e
 	}
-	e = p.WriteI32(int32(size))
+	e = p.WriteI32(ctx, int32(size))
 	return e
 }
 
-func (p *TBinaryProtocol) WriteMapEnd() error {
+func (p *TBinaryProtocol) WriteMapEnd(ctx context.Context) error {
 	return nil
 }
 
-func (p *TBinaryProtocol) WriteListBegin(elemType TType, size int) error {
-	e := p.WriteByte(int8(elemType))
+func (p *TBinaryProtocol) WriteListBegin(ctx context.Context, elemType TType, size int) error {
+	e := p.WriteByte(ctx, int8(elemType))
 	if e != nil {
 		return e
 	}
-	e = p.WriteI32(int32(size))
+	e = p.WriteI32(ctx, int32(size))
 	return e
 }
 
-func (p *TBinaryProtocol) WriteListEnd() error {
+func (p *TBinaryProtocol) WriteListEnd(ctx context.Context) error {
 	return nil
 }
 
-func (p *TBinaryProtocol) WriteSetBegin(elemType TType, size int) error {
-	e := p.WriteByte(int8(elemType))
+func (p *TBinaryProtocol) WriteSetBegin(ctx context.Context, elemType TType, size int) error {
+	e := p.WriteByte(ctx, int8(elemType))
 	if e != nil {
 		return e
 	}
-	e = p.WriteI32(int32(size))
+	e = p.WriteI32(ctx, int32(size))
 	return e
 }
 
-func (p *TBinaryProtocol) WriteSetEnd() error {
+func (p *TBinaryProtocol) WriteSetEnd(ctx context.Context) error {
 	return nil
 }
 
-func (p *TBinaryProtocol) WriteBool(value bool) error {
+func (p *TBinaryProtocol) WriteBool(ctx context.Context, value bool) error {
 	if value {
-		return p.WriteByte(1)
+		return p.WriteByte(ctx, 1)
 	}
-	return p.WriteByte(0)
+	return p.WriteByte(ctx, 0)
 }
 
-func (p *TBinaryProtocol) WriteByte(value int8) error {
+func (p *TBinaryProtocol) WriteByte(ctx context.Context, value int8) error {
 	e := p.trans.WriteByte(byte(value))
 	return NewTProtocolException(e)
 }
 
-func (p *TBinaryProtocol) WriteI16(value int16) error {
+func (p *TBinaryProtocol) WriteI16(ctx context.Context, value int16) error {
 	v := p.buffer[0:2]
 	binary.BigEndian.PutUint16(v, uint16(value))
-	_, e := p.writer.Write(v)
+	_, e := p.trans.Write(v)
 	return NewTProtocolException(e)
 }
 
-func (p *TBinaryProtocol) WriteI32(value int32) error {
+func (p *TBinaryProtocol) WriteI32(ctx context.Context, value int32) error {
 	v := p.buffer[0:4]
 	binary.BigEndian.PutUint32(v, uint32(value))
-	_, e := p.writer.Write(v)
+	_, e := p.trans.Write(v)
 	return NewTProtocolException(e)
 }
 
-func (p *TBinaryProtocol) WriteI64(value int64) error {
+func (p *TBinaryProtocol) WriteI64(ctx context.Context, value int64) error {
 	v := p.buffer[0:8]
 	binary.BigEndian.PutUint64(v, uint64(value))
-	_, err := p.writer.Write(v)
+	_, err := p.trans.Write(v)
 	return NewTProtocolException(err)
 }
 
-func (p *TBinaryProtocol) WriteDouble(value float64) error {
-	return p.WriteI64(int64(math.Float64bits(value)))
+func (p *TBinaryProtocol) WriteDouble(ctx context.Context, value float64) error {
+	return p.WriteI64(ctx, int64(math.Float64bits(value)))
 }
 
-func (p *TBinaryProtocol) WriteString(value string) error {
-	e := p.WriteI32(int32(len(value)))
+func (p *TBinaryProtocol) WriteString(ctx context.Context, value string) error {
+	e := p.WriteI32(ctx, int32(len(value)))
 	if e != nil {
 		return e
 	}
@@ -222,12 +253,12 @@
 	return NewTProtocolException(err)
 }
 
-func (p *TBinaryProtocol) WriteBinary(value []byte) error {
-	e := p.WriteI32(int32(len(value)))
+func (p *TBinaryProtocol) WriteBinary(ctx context.Context, value []byte) error {
+	e := p.WriteI32(ctx, int32(len(value)))
 	if e != nil {
 		return e
 	}
-	_, err := p.writer.Write(value)
+	_, err := p.trans.Write(value)
 	return NewTProtocolException(err)
 }
 
@@ -235,8 +266,8 @@
  * Reading methods
  */
 
-func (p *TBinaryProtocol) ReadMessageBegin() (name string, typeId TMessageType, seqId int32, err error) {
-	size, e := p.ReadI32()
+func (p *TBinaryProtocol) ReadMessageBegin(ctx context.Context) (name string, typeId TMessageType, seqId int32, err error) {
+	size, e := p.ReadI32(ctx)
 	if e != nil {
 		return "", typeId, 0, NewTProtocolException(e)
 	}
@@ -246,79 +277,79 @@
 		if version != VERSION_1 {
 			return name, typeId, seqId, NewTProtocolExceptionWithType(BAD_VERSION, fmt.Errorf("Bad version in ReadMessageBegin"))
 		}
-		name, e = p.ReadString()
+		name, e = p.ReadString(ctx)
 		if e != nil {
 			return name, typeId, seqId, NewTProtocolException(e)
 		}
-		seqId, e = p.ReadI32()
+		seqId, e = p.ReadI32(ctx)
 		if e != nil {
 			return name, typeId, seqId, NewTProtocolException(e)
 		}
 		return name, typeId, seqId, nil
 	}
-	if p.strictRead {
+	if p.cfg.GetTBinaryStrictRead() {
 		return name, typeId, seqId, NewTProtocolExceptionWithType(BAD_VERSION, fmt.Errorf("Missing version in ReadMessageBegin"))
 	}
 	name, e2 := p.readStringBody(size)
 	if e2 != nil {
 		return name, typeId, seqId, e2
 	}
-	b, e3 := p.ReadByte()
+	b, e3 := p.ReadByte(ctx)
 	if e3 != nil {
 		return name, typeId, seqId, e3
 	}
 	typeId = TMessageType(b)
-	seqId, e4 := p.ReadI32()
+	seqId, e4 := p.ReadI32(ctx)
 	if e4 != nil {
 		return name, typeId, seqId, e4
 	}
 	return name, typeId, seqId, nil
 }
 
-func (p *TBinaryProtocol) ReadMessageEnd() error {
+func (p *TBinaryProtocol) ReadMessageEnd(ctx context.Context) error {
 	return nil
 }
 
-func (p *TBinaryProtocol) ReadStructBegin() (name string, err error) {
+func (p *TBinaryProtocol) ReadStructBegin(ctx context.Context) (name string, err error) {
 	return
 }
 
-func (p *TBinaryProtocol) ReadStructEnd() error {
+func (p *TBinaryProtocol) ReadStructEnd(ctx context.Context) error {
 	return nil
 }
 
-func (p *TBinaryProtocol) ReadFieldBegin() (name string, typeId TType, seqId int16, err error) {
-	t, err := p.ReadByte()
+func (p *TBinaryProtocol) ReadFieldBegin(ctx context.Context) (name string, typeId TType, seqId int16, err error) {
+	t, err := p.ReadByte(ctx)
 	typeId = TType(t)
 	if err != nil {
 		return name, typeId, seqId, err
 	}
 	if t != STOP {
-		seqId, err = p.ReadI16()
+		seqId, err = p.ReadI16(ctx)
 	}
 	return name, typeId, seqId, err
 }
 
-func (p *TBinaryProtocol) ReadFieldEnd() error {
+func (p *TBinaryProtocol) ReadFieldEnd(ctx context.Context) error {
 	return nil
 }
 
 var invalidDataLength = NewTProtocolExceptionWithType(INVALID_DATA, errors.New("Invalid data length"))
 
-func (p *TBinaryProtocol) ReadMapBegin() (kType, vType TType, size int, err error) {
-	k, e := p.ReadByte()
+func (p *TBinaryProtocol) ReadMapBegin(ctx context.Context) (kType, vType TType, size int, err error) {
+	k, e := p.ReadByte(ctx)
 	if e != nil {
 		err = NewTProtocolException(e)
 		return
 	}
 	kType = TType(k)
-	v, e := p.ReadByte()
+	v, e := p.ReadByte(ctx)
 	if e != nil {
 		err = NewTProtocolException(e)
 		return
 	}
 	vType = TType(v)
-	size32, e := p.ReadI32()
+	size32, e := p.ReadI32(ctx)
 	if e != nil {
 		err = NewTProtocolException(e)
 		return
@@ -331,18 +362,18 @@
 	return kType, vType, size, nil
 }
 
-func (p *TBinaryProtocol) ReadMapEnd() error {
+func (p *TBinaryProtocol) ReadMapEnd(ctx context.Context) error {
 	return nil
 }
 
-func (p *TBinaryProtocol) ReadListBegin() (elemType TType, size int, err error) {
-	b, e := p.ReadByte()
+func (p *TBinaryProtocol) ReadListBegin(ctx context.Context) (elemType TType, size int, err error) {
+	b, e := p.ReadByte(ctx)
 	if e != nil {
 		err = NewTProtocolException(e)
 		return
 	}
 	elemType = TType(b)
-	size32, e := p.ReadI32()
+	size32, e := p.ReadI32(ctx)
 	if e != nil {
 		err = NewTProtocolException(e)
 		return
@@ -356,18 +387,18 @@
 	return
 }
 
-func (p *TBinaryProtocol) ReadListEnd() error {
+func (p *TBinaryProtocol) ReadListEnd(ctx context.Context) error {
 	return nil
 }
 
-func (p *TBinaryProtocol) ReadSetBegin() (elemType TType, size int, err error) {
-	b, e := p.ReadByte()
+func (p *TBinaryProtocol) ReadSetBegin(ctx context.Context) (elemType TType, size int, err error) {
+	b, e := p.ReadByte(ctx)
 	if e != nil {
 		err = NewTProtocolException(e)
 		return
 	}
 	elemType = TType(b)
-	size32, e := p.ReadI32()
+	size32, e := p.ReadI32(ctx)
 	if e != nil {
 		err = NewTProtocolException(e)
 		return
@@ -380,12 +411,12 @@
 	return elemType, size, nil
 }
 
-func (p *TBinaryProtocol) ReadSetEnd() error {
+func (p *TBinaryProtocol) ReadSetEnd(ctx context.Context) error {
 	return nil
 }
 
-func (p *TBinaryProtocol) ReadBool() (bool, error) {
-	b, e := p.ReadByte()
+func (p *TBinaryProtocol) ReadBool(ctx context.Context) (bool, error) {
+	b, e := p.ReadByte(ctx)
 	v := true
 	if b != 1 {
 		v = false
@@ -393,122 +424,132 @@
 	return v, e
 }
 
-func (p *TBinaryProtocol) ReadByte() (int8, error) {
+func (p *TBinaryProtocol) ReadByte(ctx context.Context) (int8, error) {
 	v, err := p.trans.ReadByte()
 	return int8(v), err
 }
 
-func (p *TBinaryProtocol) ReadI16() (value int16, err error) {
+func (p *TBinaryProtocol) ReadI16(ctx context.Context) (value int16, err error) {
 	buf := p.buffer[0:2]
-	err = p.readAll(buf)
+	err = p.readAll(ctx, buf)
 	value = int16(binary.BigEndian.Uint16(buf))
 	return value, err
 }
 
-func (p *TBinaryProtocol) ReadI32() (value int32, err error) {
+func (p *TBinaryProtocol) ReadI32(ctx context.Context) (value int32, err error) {
 	buf := p.buffer[0:4]
-	err = p.readAll(buf)
+	err = p.readAll(ctx, buf)
 	value = int32(binary.BigEndian.Uint32(buf))
 	return value, err
 }
 
-func (p *TBinaryProtocol) ReadI64() (value int64, err error) {
+func (p *TBinaryProtocol) ReadI64(ctx context.Context) (value int64, err error) {
 	buf := p.buffer[0:8]
-	err = p.readAll(buf)
+	err = p.readAll(ctx, buf)
 	value = int64(binary.BigEndian.Uint64(buf))
 	return value, err
 }
 
-func (p *TBinaryProtocol) ReadDouble() (value float64, err error) {
+func (p *TBinaryProtocol) ReadDouble(ctx context.Context) (value float64, err error) {
 	buf := p.buffer[0:8]
-	err = p.readAll(buf)
+	err = p.readAll(ctx, buf)
 	value = math.Float64frombits(binary.BigEndian.Uint64(buf))
 	return value, err
 }
 
-func (p *TBinaryProtocol) ReadString() (value string, err error) {
-	size, e := p.ReadI32()
+func (p *TBinaryProtocol) ReadString(ctx context.Context) (value string, err error) {
+	size, e := p.ReadI32(ctx)
 	if e != nil {
 		return "", e
 	}
+	err = checkSizeForProtocol(size, p.cfg)
+	if err != nil {
+		return
+	}
 	if size < 0 {
 		err = invalidDataLength
 		return
 	}
+	if size == 0 {
+		return "", nil
+	}
+	if size < int32(len(p.buffer)) {
+		// Avoid allocation on small reads
+		buf := p.buffer[:size]
+		read, e := io.ReadFull(p.trans, buf)
+		return string(buf[:read]), NewTProtocolException(e)
+	}
 
 	return p.readStringBody(size)
 }
 
-func (p *TBinaryProtocol) ReadBinary() ([]byte, error) {
-	size, e := p.ReadI32()
+func (p *TBinaryProtocol) ReadBinary(ctx context.Context) ([]byte, error) {
+	size, e := p.ReadI32(ctx)
 	if e != nil {
 		return nil, e
 	}
-	if size < 0 {
-		return nil, invalidDataLength
-	}
-	if uint64(size) > p.trans.RemainingBytes() {
-		return nil, invalidDataLength
+	if err := checkSizeForProtocol(size, p.cfg); err != nil {
+		return nil, err
 	}
 
-	isize := int(size)
-	buf := make([]byte, isize)
-	_, err := io.ReadFull(p.trans, buf)
+	buf, err := safeReadBytes(size, p.trans)
 	return buf, NewTProtocolException(err)
 }
 
-func (p *TBinaryProtocol) Flush() (err error) {
-	return NewTProtocolException(p.trans.Flush())
+func (p *TBinaryProtocol) Flush(ctx context.Context) (err error) {
+	return NewTProtocolException(p.trans.Flush(ctx))
 }
 
-func (p *TBinaryProtocol) Skip(fieldType TType) (err error) {
-	return SkipDefaultDepth(p, fieldType)
+func (p *TBinaryProtocol) Skip(ctx context.Context, fieldType TType) (err error) {
+	return SkipDefaultDepth(ctx, p, fieldType)
 }
 
 func (p *TBinaryProtocol) Transport() TTransport {
 	return p.origTransport
 }
 
-func (p *TBinaryProtocol) readAll(buf []byte) error {
-	_, err := io.ReadFull(p.reader, buf)
+func (p *TBinaryProtocol) readAll(ctx context.Context, buf []byte) (err error) {
+	var read int
+	_, deadlineSet := ctx.Deadline()
+	for {
+		read, err = io.ReadFull(p.trans, buf)
+		if deadlineSet && read == 0 && isTimeoutError(err) && ctx.Err() == nil {
+			// This is I/O timeout without anything read,
+			// and we still have time left, keep retrying.
+			continue
+		}
+		// For anything else, don't retry
+		break
+	}
 	return NewTProtocolException(err)
 }
 
-const readLimit = 32768
-
 func (p *TBinaryProtocol) readStringBody(size int32) (value string, err error) {
+	buf, err := safeReadBytes(size, p.trans)
+	return string(buf), NewTProtocolException(err)
+}
+
+func (p *TBinaryProtocol) SetTConfiguration(conf *TConfiguration) {
+	PropagateTConfiguration(p.trans, conf)
+	PropagateTConfiguration(p.origTransport, conf)
+	p.cfg = conf
+}
+
+var (
+	_ TConfigurationSetter = (*TBinaryProtocolFactory)(nil)
+	_ TConfigurationSetter = (*TBinaryProtocol)(nil)
+)
+
+// This function is shared between TBinaryProtocol and TCompactProtocol.
+//
+// It tries to read size bytes from trans, in a way that prevents large
+// allocations when size is insanely large (mostly caused by malformed message).
+func safeReadBytes(size int32, trans io.Reader) ([]byte, error) {
 	if size < 0 {
-		return "", nil
-	}
-	if uint64(size) > p.trans.RemainingBytes() {
-		return "", invalidDataLength
+		return nil, nil
 	}
 
-	var (
-		buf bytes.Buffer
-		e   error
-		b   []byte
-	)
-
-	switch {
-	case int(size) <= len(p.buffer):
-		b = p.buffer[:size] // avoids allocation for small reads
-	case int(size) < readLimit:
-		b = make([]byte, size)
-	default:
-		b = make([]byte, readLimit)
-	}
-
-	for size > 0 {
-		_, e = io.ReadFull(p.trans, b)
-		buf.Write(b)
-		if e != nil {
-			break
-		}
-		size -= readLimit
-		if size < readLimit && size > 0 {
-			b = b[:size]
-		}
-	}
-	return buf.String(), NewTProtocolException(e)
+	buf := new(bytes.Buffer)
+	_, err := io.CopyN(buf, trans, int64(size))
+	return buf.Bytes(), err
 }
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/client.go b/vendor/github.com/uber/jaeger-client-go/thrift/client.go
new file mode 100644
index 0000000..ea2c01f
--- /dev/null
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/client.go
@@ -0,0 +1,109 @@
+package thrift
+
+import (
+	"context"
+	"fmt"
+)
+
+// ResponseMeta represents the metadata attached to the response.
+type ResponseMeta struct {
+	// The headers in the response, if any.
+	// If the underlying transport/protocol is not THeader, this will always be nil.
+	Headers THeaderMap
+}
+
+type TClient interface {
+	Call(ctx context.Context, method string, args, result TStruct) (ResponseMeta, error)
+}
+
+type TStandardClient struct {
+	seqId        int32
+	iprot, oprot TProtocol
+}
+
+// TStandardClient implements TClient, and uses the standard message format for Thrift.
+// It is not safe for concurrent use.
+func NewTStandardClient(inputProtocol, outputProtocol TProtocol) *TStandardClient {
+	return &TStandardClient{
+		iprot: inputProtocol,
+		oprot: outputProtocol,
+	}
+}
+
+func (p *TStandardClient) Send(ctx context.Context, oprot TProtocol, seqId int32, method string, args TStruct) error {
+	// Set headers from context object on THeaderProtocol
+	if headerProt, ok := oprot.(*THeaderProtocol); ok {
+		headerProt.ClearWriteHeaders()
+		for _, key := range GetWriteHeaderList(ctx) {
+			if value, ok := GetHeader(ctx, key); ok {
+				headerProt.SetWriteHeader(key, value)
+			}
+		}
+	}
+
+	if err := oprot.WriteMessageBegin(ctx, method, CALL, seqId); err != nil {
+		return err
+	}
+	if err := args.Write(ctx, oprot); err != nil {
+		return err
+	}
+	if err := oprot.WriteMessageEnd(ctx); err != nil {
+		return err
+	}
+	return oprot.Flush(ctx)
+}
+
+func (p *TStandardClient) Recv(ctx context.Context, iprot TProtocol, seqId int32, method string, result TStruct) error {
+	rMethod, rTypeId, rSeqId, err := iprot.ReadMessageBegin(ctx)
+	if err != nil {
+		return err
+	}
+
+	if method != rMethod {
+		return NewTApplicationException(WRONG_METHOD_NAME, fmt.Sprintf("%s: wrong method name", method))
+	} else if seqId != rSeqId {
+		return NewTApplicationException(BAD_SEQUENCE_ID, fmt.Sprintf("%s: out of order sequence response", method))
+	} else if rTypeId == EXCEPTION {
+		var exception tApplicationException
+		if err := exception.Read(ctx, iprot); err != nil {
+			return err
+		}
+
+		if err := iprot.ReadMessageEnd(ctx); err != nil {
+			return err
+		}
+
+		return &exception
+	} else if rTypeId != REPLY {
+		return NewTApplicationException(INVALID_MESSAGE_TYPE_EXCEPTION, fmt.Sprintf("%s: invalid message type", method))
+	}
+
+	if err := result.Read(ctx, iprot); err != nil {
+		return err
+	}
+
+	return iprot.ReadMessageEnd(ctx)
+}
+
+func (p *TStandardClient) Call(ctx context.Context, method string, args, result TStruct) (ResponseMeta, error) {
+	p.seqId++
+	seqId := p.seqId
+
+	if err := p.Send(ctx, p.oprot, seqId, method, args); err != nil {
+		return ResponseMeta{}, err
+	}
+
+	// method is oneway
+	if result == nil {
+		return ResponseMeta{}, nil
+	}
+
+	err := p.Recv(ctx, p.iprot, seqId, method, result)
+	var headers THeaderMap
+	if hp, ok := p.iprot.(*THeaderProtocol); ok {
+		headers = hp.transport.readHeaders
+	}
+	return ResponseMeta{
+		Headers: headers,
+	}, err
+}
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/compact_protocol.go b/vendor/github.com/uber/jaeger-client-go/thrift/compact_protocol.go
index b9299f2..a49225d 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/compact_protocol.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/compact_protocol.go
@@ -20,7 +20,9 @@
 package thrift
 
 import (
+	"context"
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"io"
 	"math"
@@ -73,20 +75,37 @@
 	}
 }
 
-type TCompactProtocolFactory struct{}
+type TCompactProtocolFactory struct {
+	cfg *TConfiguration
+}
 
+// Deprecated: Use NewTCompactProtocolFactoryConf instead.
 func NewTCompactProtocolFactory() *TCompactProtocolFactory {
-	return &TCompactProtocolFactory{}
+	return NewTCompactProtocolFactoryConf(&TConfiguration{
+		noPropagation: true,
+	})
+}
+
+func NewTCompactProtocolFactoryConf(conf *TConfiguration) *TCompactProtocolFactory {
+	return &TCompactProtocolFactory{
+		cfg: conf,
+	}
 }
 
 func (p *TCompactProtocolFactory) GetProtocol(trans TTransport) TProtocol {
-	return NewTCompactProtocol(trans)
+	return NewTCompactProtocolConf(trans, p.cfg)
+}
+
+func (p *TCompactProtocolFactory) SetTConfiguration(conf *TConfiguration) {
+	p.cfg = conf
 }
 
 type TCompactProtocol struct {
 	trans         TRichTransport
 	origTransport TTransport
 
+	cfg *TConfiguration
+
 	// Used to keep track of the last field for the current and previous structs,
 	// so we can do the delta stuff.
 	lastField   []int
@@ -105,9 +124,19 @@
 	buffer             [64]byte
 }
 
-// Create a TCompactProtocol given a TTransport
+// Deprecated: Use NewTCompactProtocolConf instead.
 func NewTCompactProtocol(trans TTransport) *TCompactProtocol {
-	p := &TCompactProtocol{origTransport: trans, lastField: []int{}}
+	return NewTCompactProtocolConf(trans, &TConfiguration{
+		noPropagation: true,
+	})
+}
+
+func NewTCompactProtocolConf(trans TTransport, conf *TConfiguration) *TCompactProtocol {
+	PropagateTConfiguration(trans, conf)
+	p := &TCompactProtocol{
+		origTransport: trans,
+		cfg:           conf,
+	}
 	if et, ok := trans.(TRichTransport); ok {
 		p.trans = et
 	} else {
@@ -115,7 +144,6 @@
 	}
 
 	return p
-
 }
 
 //
@@ -124,7 +152,7 @@
 
 // Write a message header to the wire. Compact Protocol messages contain the
 // protocol version so we can migrate forwards in the future if need be.
-func (p *TCompactProtocol) WriteMessageBegin(name string, typeId TMessageType, seqid int32) error {
+func (p *TCompactProtocol) WriteMessageBegin(ctx context.Context, name string, typeId TMessageType, seqid int32) error {
 	err := p.writeByteDirect(COMPACT_PROTOCOL_ID)
 	if err != nil {
 		return NewTProtocolException(err)
@@ -137,17 +165,17 @@
 	if err != nil {
 		return NewTProtocolException(err)
 	}
-	e := p.WriteString(name)
+	e := p.WriteString(ctx, name)
 	return e
 
 }
 
-func (p *TCompactProtocol) WriteMessageEnd() error { return nil }
+func (p *TCompactProtocol) WriteMessageEnd(ctx context.Context) error { return nil }
 
 // Write a struct begin. This doesn't actually put anything on the wire. We
 // use it as an opportunity to put special placeholder markers on the field
 // stack so we can get the field id deltas correct.
-func (p *TCompactProtocol) WriteStructBegin(name string) error {
+func (p *TCompactProtocol) WriteStructBegin(ctx context.Context, name string) error {
 	p.lastField = append(p.lastField, p.lastFieldId)
 	p.lastFieldId = 0
 	return nil
@@ -156,26 +184,29 @@
 // Write a struct end. This doesn't actually put anything on the wire. We use
 // this as an opportunity to pop the last field from the current struct off
 // of the field stack.
-func (p *TCompactProtocol) WriteStructEnd() error {
+func (p *TCompactProtocol) WriteStructEnd(ctx context.Context) error {
+	if len(p.lastField) <= 0 {
+		return NewTProtocolExceptionWithType(INVALID_DATA, errors.New("WriteStructEnd called without matching WriteStructBegin call before"))
+	}
 	p.lastFieldId = p.lastField[len(p.lastField)-1]
 	p.lastField = p.lastField[:len(p.lastField)-1]
 	return nil
 }
 
-func (p *TCompactProtocol) WriteFieldBegin(name string, typeId TType, id int16) error {
+func (p *TCompactProtocol) WriteFieldBegin(ctx context.Context, name string, typeId TType, id int16) error {
 	if typeId == BOOL {
 		// we want to possibly include the value, so we'll wait.
 		p.booleanFieldName, p.booleanFieldId, p.booleanFieldPending = name, id, true
 		return nil
 	}
-	_, err := p.writeFieldBeginInternal(name, typeId, id, 0xFF)
+	_, err := p.writeFieldBeginInternal(ctx, name, typeId, id, 0xFF)
 	return NewTProtocolException(err)
 }
 
 // The workhorse of writeFieldBegin. It has the option of doing a
 // 'type override' of the type header. This is used specifically in the
 // boolean field case.
-func (p *TCompactProtocol) writeFieldBeginInternal(name string, typeId TType, id int16, typeOverride byte) (int, error) {
+func (p *TCompactProtocol) writeFieldBeginInternal(ctx context.Context, name string, typeId TType, id int16, typeOverride byte) (int, error) {
 	// short lastField = lastField_.pop();
 
 	// if there's a type override, use that.
@@ -200,7 +231,7 @@
 		if err != nil {
 			return 0, err
 		}
-		err = p.WriteI16(id)
+		err = p.WriteI16(ctx, id)
 		written = 1 + 2
 		if err != nil {
 			return 0, err
@@ -208,18 +239,17 @@
 	}
 
 	p.lastFieldId = fieldId
-	// p.lastField.Push(field.id);
 	return written, nil
 }
 
-func (p *TCompactProtocol) WriteFieldEnd() error { return nil }
+func (p *TCompactProtocol) WriteFieldEnd(ctx context.Context) error { return nil }
 
-func (p *TCompactProtocol) WriteFieldStop() error {
+func (p *TCompactProtocol) WriteFieldStop(ctx context.Context) error {
 	err := p.writeByteDirect(STOP)
 	return NewTProtocolException(err)
 }
 
-func (p *TCompactProtocol) WriteMapBegin(keyType TType, valueType TType, size int) error {
+func (p *TCompactProtocol) WriteMapBegin(ctx context.Context, keyType TType, valueType TType, size int) error {
 	if size == 0 {
 		err := p.writeByteDirect(0)
 		return NewTProtocolException(err)
@@ -232,32 +262,32 @@
 	return NewTProtocolException(err)
 }
 
-func (p *TCompactProtocol) WriteMapEnd() error { return nil }
+func (p *TCompactProtocol) WriteMapEnd(ctx context.Context) error { return nil }
 
 // Write a list header.
-func (p *TCompactProtocol) WriteListBegin(elemType TType, size int) error {
+func (p *TCompactProtocol) WriteListBegin(ctx context.Context, elemType TType, size int) error {
 	_, err := p.writeCollectionBegin(elemType, size)
 	return NewTProtocolException(err)
 }
 
-func (p *TCompactProtocol) WriteListEnd() error { return nil }
+func (p *TCompactProtocol) WriteListEnd(ctx context.Context) error { return nil }
 
 // Write a set header.
-func (p *TCompactProtocol) WriteSetBegin(elemType TType, size int) error {
+func (p *TCompactProtocol) WriteSetBegin(ctx context.Context, elemType TType, size int) error {
 	_, err := p.writeCollectionBegin(elemType, size)
 	return NewTProtocolException(err)
 }
 
-func (p *TCompactProtocol) WriteSetEnd() error { return nil }
+func (p *TCompactProtocol) WriteSetEnd(ctx context.Context) error { return nil }
 
-func (p *TCompactProtocol) WriteBool(value bool) error {
+func (p *TCompactProtocol) WriteBool(ctx context.Context, value bool) error {
 	v := byte(COMPACT_BOOLEAN_FALSE)
 	if value {
 		v = byte(COMPACT_BOOLEAN_TRUE)
 	}
 	if p.booleanFieldPending {
 		// we haven't written the field header yet
-		_, err := p.writeFieldBeginInternal(p.booleanFieldName, BOOL, p.booleanFieldId, v)
+		_, err := p.writeFieldBeginInternal(ctx, p.booleanFieldName, BOOL, p.booleanFieldId, v)
 		p.booleanFieldPending = false
 		return NewTProtocolException(err)
 	}
@@ -267,31 +297,31 @@
 }
 
 // Write a byte. Nothing to see here!
-func (p *TCompactProtocol) WriteByte(value int8) error {
+func (p *TCompactProtocol) WriteByte(ctx context.Context, value int8) error {
 	err := p.writeByteDirect(byte(value))
 	return NewTProtocolException(err)
 }
 
 // Write an I16 as a zigzag varint.
-func (p *TCompactProtocol) WriteI16(value int16) error {
+func (p *TCompactProtocol) WriteI16(ctx context.Context, value int16) error {
 	_, err := p.writeVarint32(p.int32ToZigzag(int32(value)))
 	return NewTProtocolException(err)
 }
 
 // Write an i32 as a zigzag varint.
-func (p *TCompactProtocol) WriteI32(value int32) error {
+func (p *TCompactProtocol) WriteI32(ctx context.Context, value int32) error {
 	_, err := p.writeVarint32(p.int32ToZigzag(value))
 	return NewTProtocolException(err)
 }
 
 // Write an i64 as a zigzag varint.
-func (p *TCompactProtocol) WriteI64(value int64) error {
+func (p *TCompactProtocol) WriteI64(ctx context.Context, value int64) error {
 	_, err := p.writeVarint64(p.int64ToZigzag(value))
 	return NewTProtocolException(err)
 }
 
 // Write a double to the wire as 8 bytes.
-func (p *TCompactProtocol) WriteDouble(value float64) error {
+func (p *TCompactProtocol) WriteDouble(ctx context.Context, value float64) error {
 	buf := p.buffer[0:8]
 	binary.LittleEndian.PutUint64(buf, math.Float64bits(value))
 	_, err := p.trans.Write(buf)
@@ -299,7 +329,7 @@
 }
 
 // Write a string to the wire with a varint size preceding.
-func (p *TCompactProtocol) WriteString(value string) error {
+func (p *TCompactProtocol) WriteString(ctx context.Context, value string) error {
 	_, e := p.writeVarint32(int32(len(value)))
 	if e != nil {
 		return NewTProtocolException(e)
@@ -311,7 +341,7 @@
 }
 
 // Write a byte array, using a varint for the size.
-func (p *TCompactProtocol) WriteBinary(bin []byte) error {
+func (p *TCompactProtocol) WriteBinary(ctx context.Context, bin []byte) error {
 	_, e := p.writeVarint32(int32(len(bin)))
 	if e != nil {
 		return NewTProtocolException(e)
@@ -328,9 +358,20 @@
 //
 
 // Read a message header.
-func (p *TCompactProtocol) ReadMessageBegin() (name string, typeId TMessageType, seqId int32, err error) {
+func (p *TCompactProtocol) ReadMessageBegin(ctx context.Context) (name string, typeId TMessageType, seqId int32, err error) {
+	var protocolId byte
 
-	protocolId, err := p.readByteDirect()
+	_, deadlineSet := ctx.Deadline()
+	for {
+		protocolId, err = p.readByteDirect()
+		if deadlineSet && isTimeoutError(err) && ctx.Err() == nil {
+			// keep retrying I/O timeout errors since we still have
+			// time left
+			continue
+		}
+		// For anything else, don't retry
+		break
+	}
 	if err != nil {
 		return
 	}
@@ -357,15 +398,15 @@
 		err = NewTProtocolException(e)
 		return
 	}
-	name, err = p.ReadString()
+	name, err = p.ReadString(ctx)
 	return
 }
 
-func (p *TCompactProtocol) ReadMessageEnd() error { return nil }
+func (p *TCompactProtocol) ReadMessageEnd(ctx context.Context) error { return nil }
 
 // Read a struct begin. There's nothing on the wire for this, but it is our
 // opportunity to push a new struct begin marker onto the field stack.
-func (p *TCompactProtocol) ReadStructBegin() (name string, err error) {
+func (p *TCompactProtocol) ReadStructBegin(ctx context.Context) (name string, err error) {
 	p.lastField = append(p.lastField, p.lastFieldId)
 	p.lastFieldId = 0
 	return
@@ -373,15 +414,18 @@
 
 // Doesn't actually consume any wire data, just removes the last field for
 // this struct from the field stack.
-func (p *TCompactProtocol) ReadStructEnd() error {
+func (p *TCompactProtocol) ReadStructEnd(ctx context.Context) error {
 	// consume the last field we read off the wire.
+	if len(p.lastField) <= 0 {
+		return NewTProtocolExceptionWithType(INVALID_DATA, errors.New("ReadStructEnd called without matching ReadStructBegin call before"))
+	}
 	p.lastFieldId = p.lastField[len(p.lastField)-1]
 	p.lastField = p.lastField[:len(p.lastField)-1]
 	return nil
 }
 
 // Read a field header off the wire.
-func (p *TCompactProtocol) ReadFieldBegin() (name string, typeId TType, id int16, err error) {
+func (p *TCompactProtocol) ReadFieldBegin(ctx context.Context) (name string, typeId TType, id int16, err error) {
 	t, err := p.readByteDirect()
 	if err != nil {
 		return
@@ -396,7 +440,7 @@
 	modifier := int16((t & 0xf0) >> 4)
 	if modifier == 0 {
 		// not a delta. look ahead for the zigzag varint field id.
-		id, err = p.ReadI16()
+		id, err = p.ReadI16(ctx)
 		if err != nil {
 			return
 		}
@@ -422,12 +466,12 @@
 	return
 }
 
-func (p *TCompactProtocol) ReadFieldEnd() error { return nil }
+func (p *TCompactProtocol) ReadFieldEnd(ctx context.Context) error { return nil }
 
 // Read a map header off the wire. If the size is zero, skip reading the key
 // and value type. This means that 0-length maps will yield TMaps without the
 // "correct" types.
-func (p *TCompactProtocol) ReadMapBegin() (keyType TType, valueType TType, size int, err error) {
+func (p *TCompactProtocol) ReadMapBegin(ctx context.Context) (keyType TType, valueType TType, size int, err error) {
 	size32, e := p.readVarint32()
 	if e != nil {
 		err = NewTProtocolException(e)
@@ -451,13 +495,13 @@
 	return
 }
 
-func (p *TCompactProtocol) ReadMapEnd() error { return nil }
+func (p *TCompactProtocol) ReadMapEnd(ctx context.Context) error { return nil }
 
 // Read a list header off the wire. If the list size is 0-14, the size will
 // be packed into the element type header. If it's a longer list, the 4 MSB
 // of the element type header will be 0xF, and a varint will follow with the
 // true size.
-func (p *TCompactProtocol) ReadListBegin() (elemType TType, size int, err error) {
+func (p *TCompactProtocol) ReadListBegin(ctx context.Context) (elemType TType, size int, err error) {
 	size_and_type, err := p.readByteDirect()
 	if err != nil {
 		return
@@ -483,22 +527,22 @@
 	return
 }
 
-func (p *TCompactProtocol) ReadListEnd() error { return nil }
+func (p *TCompactProtocol) ReadListEnd(ctx context.Context) error { return nil }
 
 // Read a set header off the wire. If the set size is 0-14, the size will
 // be packed into the element type header. If it's a longer set, the 4 MSB
 // of the element type header will be 0xF, and a varint will follow with the
 // true size.
-func (p *TCompactProtocol) ReadSetBegin() (elemType TType, size int, err error) {
-	return p.ReadListBegin()
+func (p *TCompactProtocol) ReadSetBegin(ctx context.Context) (elemType TType, size int, err error) {
+	return p.ReadListBegin(ctx)
 }
 
-func (p *TCompactProtocol) ReadSetEnd() error { return nil }
+func (p *TCompactProtocol) ReadSetEnd(ctx context.Context) error { return nil }
 
 // Read a boolean off the wire. If this is a boolean field, the value should
 // already have been read during readFieldBegin, so we'll just consume the
 // pre-stored value. Otherwise, read a byte.
-func (p *TCompactProtocol) ReadBool() (value bool, err error) {
+func (p *TCompactProtocol) ReadBool(ctx context.Context) (value bool, err error) {
 	if p.boolValueIsNotNull {
 		p.boolValueIsNotNull = false
 		return p.boolValue, nil
@@ -508,7 +552,7 @@
 }
 
 // Read a single byte off the wire. Nothing interesting here.
-func (p *TCompactProtocol) ReadByte() (int8, error) {
+func (p *TCompactProtocol) ReadByte(ctx context.Context) (int8, error) {
 	v, err := p.readByteDirect()
 	if err != nil {
 		return 0, NewTProtocolException(err)
@@ -517,13 +561,13 @@
 }
 
 // Read an i16 from the wire as a zigzag varint.
-func (p *TCompactProtocol) ReadI16() (value int16, err error) {
-	v, err := p.ReadI32()
+func (p *TCompactProtocol) ReadI16(ctx context.Context) (value int16, err error) {
+	v, err := p.ReadI32(ctx)
 	return int16(v), err
 }
 
 // Read an i32 from the wire as a zigzag varint.
-func (p *TCompactProtocol) ReadI32() (value int32, err error) {
+func (p *TCompactProtocol) ReadI32(ctx context.Context) (value int32, err error) {
 	v, e := p.readVarint32()
 	if e != nil {
 		return 0, NewTProtocolException(e)
@@ -533,7 +577,7 @@
 }
 
 // Read an i64 from the wire as a zigzag varint.
-func (p *TCompactProtocol) ReadI64() (value int64, err error) {
+func (p *TCompactProtocol) ReadI64(ctx context.Context) (value int64, err error) {
 	v, e := p.readVarint64()
 	if e != nil {
 		return 0, NewTProtocolException(e)
@@ -543,7 +587,7 @@
 }
 
 // No magic here - just read a double off the wire.
-func (p *TCompactProtocol) ReadDouble() (value float64, err error) {
+func (p *TCompactProtocol) ReadDouble(ctx context.Context) (value float64, err error) {
 	longBits := p.buffer[0:8]
 	_, e := io.ReadFull(p.trans, longBits)
 	if e != nil {
@@ -553,58 +597,53 @@
 }
 
 // Reads a []byte (via readBinary), and then UTF-8 decodes it.
-func (p *TCompactProtocol) ReadString() (value string, err error) {
+func (p *TCompactProtocol) ReadString(ctx context.Context) (value string, err error) {
 	length, e := p.readVarint32()
 	if e != nil {
 		return "", NewTProtocolException(e)
 	}
-	if length < 0 {
-		return "", invalidDataLength
+	err = checkSizeForProtocol(length, p.cfg)
+	if err != nil {
+		return
 	}
-	if uint64(length) > p.trans.RemainingBytes() {
-		return "", invalidDataLength
-	}
-
 	if length == 0 {
 		return "", nil
 	}
-	var buf []byte
-	if length <= int32(len(p.buffer)) {
-		buf = p.buffer[0:length]
-	} else {
-		buf = make([]byte, length)
+	if length < int32(len(p.buffer)) {
+		// Avoid allocation on small reads
+		buf := p.buffer[:length]
+		read, e := io.ReadFull(p.trans, buf)
+		return string(buf[:read]), NewTProtocolException(e)
 	}
-	_, e = io.ReadFull(p.trans, buf)
+
+	buf, e := safeReadBytes(length, p.trans)
 	return string(buf), NewTProtocolException(e)
 }
 
 // Read a []byte from the wire.
-func (p *TCompactProtocol) ReadBinary() (value []byte, err error) {
+func (p *TCompactProtocol) ReadBinary(ctx context.Context) (value []byte, err error) {
 	length, e := p.readVarint32()
 	if e != nil {
 		return nil, NewTProtocolException(e)
 	}
+	err = checkSizeForProtocol(length, p.cfg)
+	if err != nil {
+		return
+	}
 	if length == 0 {
 		return []byte{}, nil
 	}
-	if length < 0 {
-		return nil, invalidDataLength
-	}
-	if uint64(length) > p.trans.RemainingBytes() {
-		return nil, invalidDataLength
-	}
 
-	buf := make([]byte, length)
-	_, e = io.ReadFull(p.trans, buf)
+	buf, e := safeReadBytes(length, p.trans)
 	return buf, NewTProtocolException(e)
 }
 
-func (p *TCompactProtocol) Flush() (err error) {
-	return NewTProtocolException(p.trans.Flush())
+func (p *TCompactProtocol) Flush(ctx context.Context) (err error) {
+	return NewTProtocolException(p.trans.Flush(ctx))
 }
 
-func (p *TCompactProtocol) Skip(fieldType TType) (err error) {
-	return SkipDefaultDepth(p, fieldType)
+func (p *TCompactProtocol) Skip(ctx context.Context, fieldType TType) (err error) {
+	return SkipDefaultDepth(ctx, p, fieldType)
 }
 
 func (p *TCompactProtocol) Transport() TTransport {
@@ -806,10 +845,21 @@
 	case COMPACT_STRUCT:
 		return STRUCT, nil
 	}
-	return STOP, TException(fmt.Errorf("don't know what type: %d", t&0x0f))
+	return STOP, NewTProtocolException(fmt.Errorf("don't know what type: %v", t&0x0f))
 }
 
 // Given a TType value, find the appropriate TCompactProtocol.Types constant.
 func (p *TCompactProtocol) getCompactType(t TType) tCompactType {
 	return ttypeToCompactType[t]
 }
+
+func (p *TCompactProtocol) SetTConfiguration(conf *TConfiguration) {
+	PropagateTConfiguration(p.trans, conf)
+	PropagateTConfiguration(p.origTransport, conf)
+	p.cfg = conf
+}
+
+var (
+	_ TConfigurationSetter = (*TCompactProtocolFactory)(nil)
+	_ TConfigurationSetter = (*TCompactProtocol)(nil)
+)
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/configuration.go b/vendor/github.com/uber/jaeger-client-go/thrift/configuration.go
new file mode 100644
index 0000000..454d9f3
--- /dev/null
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/configuration.go
@@ -0,0 +1,378 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package thrift
+
+import (
+	"crypto/tls"
+	"fmt"
+	"time"
+)
+
+// Default TConfiguration values.
+const (
+	DEFAULT_MAX_MESSAGE_SIZE = 100 * 1024 * 1024
+	DEFAULT_MAX_FRAME_SIZE   = 16384000
+
+	DEFAULT_TBINARY_STRICT_READ  = false
+	DEFAULT_TBINARY_STRICT_WRITE = true
+
+	DEFAULT_CONNECT_TIMEOUT = 0
+	DEFAULT_SOCKET_TIMEOUT  = 0
+)
+
+// TConfiguration defines some configurations shared between TTransport,
+// TProtocol, TTransportFactory, TProtocolFactory, and other implementations.
+//
+// When constructing TConfiguration, you only need to specify the non-default
+// fields. All zero values have sane default values.
+//
+// Not all configurations defined are applicable to all implementations.
+// Implementations are free to ignore the configurations not applicable to them.
+//
+// All functions attached to this type are nil-safe.
+//
+// See [1] for spec.
+//
+// NOTE: When using TConfiguration, fill in all the configurations you want to
+// set across the stack, not only the ones you want to set in the immediate
+// TTransport/TProtocol.
+//
+// For example, say you want to migrate this old code into using TConfiguration:
+//
+//     sccket := thrift.NewTSocketTimeout("host:port", time.Second)
+//     transFactory := thrift.NewTFramedTransportFactoryMaxLength(
+//         thrift.NewTTransportFactory(),
+//         1024 * 1024 * 256,
+//     )
+//     protoFactory := thrift.NewTBinaryProtocolFactory(true, true)
+//
+// This is the wrong way to do it because in the end the TConfiguration used by
+// socket and transFactory will be overwritten by the one used by protoFactory
+// because of TConfiguration propagation:
+//
+//     // bad example, DO NOT USE
+//     sccket := thrift.NewTSocketConf("host:port", &thrift.TConfiguration{
+//         ConnectTimeout: time.Second,
+//         SocketTimeout:  time.Second,
+//     })
+//     transFactory := thrift.NewTFramedTransportFactoryConf(
+//         thrift.NewTTransportFactory(),
+//         &thrift.TConfiguration{
+//             MaxFrameSize: 1024 * 1024 * 256,
+//         },
+//     )
+//     protoFactory := thrift.NewTBinaryProtocolFactoryConf(&thrift.TConfiguration{
+//         TBinaryStrictRead:  thrift.BoolPtr(true),
+//         TBinaryStrictWrite: thrift.BoolPtr(true),
+//     })
+//
+// This is the correct way to do it:
+//
+//     conf := &thrift.TConfiguration{
+//         ConnectTimeout: time.Second,
+//         SocketTimeout:  time.Second,
+//
+//         MaxFrameSize: 1024 * 1024 * 256,
+//
+//         TBinaryStrictRead:  thrift.BoolPtr(true),
+//         TBinaryStrictWrite: thrift.BoolPtr(true),
+//     }
+//     sccket := thrift.NewTSocketConf("host:port", conf)
+//     transFactory := thrift.NewTFramedTransportFactoryConf(thrift.NewTTransportFactory(), conf)
+//     protoFactory := thrift.NewTBinaryProtocolFactoryConf(conf)
+//
+// [1]: https://github.com/apache/thrift/blob/master/doc/specs/thrift-tconfiguration.md
+type TConfiguration struct {
+	// If <= 0, DEFAULT_MAX_MESSAGE_SIZE will be used instead.
+	MaxMessageSize int32
+
+	// If <= 0, DEFAULT_MAX_FRAME_SIZE will be used instead.
+	//
+	// Also if MaxMessageSize < MaxFrameSize,
+	// MaxMessageSize will be used instead.
+	MaxFrameSize int32
+
+	// Connect and socket timeouts to be used by TSocket and TSSLSocket.
+	//
+	// 0 means no timeout.
+	//
+	// If <0, DEFAULT_CONNECT_TIMEOUT and DEFAULT_SOCKET_TIMEOUT will be
+	// used.
+	ConnectTimeout time.Duration
+	SocketTimeout  time.Duration
+
+	// TLS config to be used by TSSLSocket.
+	TLSConfig *tls.Config
+
+	// Strict read/write configurations for TBinaryProtocol.
+	//
+	// BoolPtr helper function is available to use literal values.
+	TBinaryStrictRead  *bool
+	TBinaryStrictWrite *bool
+
+	// The wrapped protocol id to be used in THeader transport/protocol.
+	//
+	// THeaderProtocolIDPtr and THeaderProtocolIDPtrMust helper functions
+	// are provided to help filling this value.
+	THeaderProtocolID *THeaderProtocolID
+
+	// Used internally by deprecated constructors, to avoid overriding
+	// underlying TTransport/TProtocol's cfg by accidental propagations.
+	//
+	// For external users this is always false.
+	noPropagation bool
+}
+
+// GetMaxMessageSize returns the max message size an implementation should
+// follow.
+//
+// It's nil-safe. DEFAULT_MAX_MESSAGE_SIZE will be returned if tc is nil.
+func (tc *TConfiguration) GetMaxMessageSize() int32 {
+	if tc == nil || tc.MaxMessageSize <= 0 {
+		return DEFAULT_MAX_MESSAGE_SIZE
+	}
+	return tc.MaxMessageSize
+}
+
+// GetMaxFrameSize returns the max frame size an implementation should follow.
+//
+// It's nil-safe. DEFAULT_MAX_FRAME_SIZE will be returned if tc is nil.
+//
+// If the configured max message size is smaller than the configured max frame
+// size, the smaller one will be returned instead.
+func (tc *TConfiguration) GetMaxFrameSize() int32 {
+	if tc == nil {
+		return DEFAULT_MAX_FRAME_SIZE
+	}
+	maxFrameSize := tc.MaxFrameSize
+	if maxFrameSize <= 0 {
+		maxFrameSize = DEFAULT_MAX_FRAME_SIZE
+	}
+	if maxMessageSize := tc.GetMaxMessageSize(); maxMessageSize < maxFrameSize {
+		return maxMessageSize
+	}
+	return maxFrameSize
+}
+
+// GetConnectTimeout returns the connect timeout should be used by TSocket and
+// TSSLSocket.
+//
+// It's nil-safe. If tc is nil, DEFAULT_CONNECT_TIMEOUT will be returned instead.
+func (tc *TConfiguration) GetConnectTimeout() time.Duration {
+	if tc == nil || tc.ConnectTimeout < 0 {
+		return DEFAULT_CONNECT_TIMEOUT
+	}
+	return tc.ConnectTimeout
+}
+
+// GetSocketTimeout returns the socket timeout should be used by TSocket and
+// TSSLSocket.
+//
+// It's nil-safe. If tc is nil, DEFAULT_SOCKET_TIMEOUT will be returned instead.
+func (tc *TConfiguration) GetSocketTimeout() time.Duration {
+	if tc == nil || tc.SocketTimeout < 0 {
+		return DEFAULT_SOCKET_TIMEOUT
+	}
+	return tc.SocketTimeout
+}
+
+// GetTLSConfig returns the tls config should be used by TSSLSocket.
+//
+// It's nil-safe. If tc is nil, nil will be returned instead.
+func (tc *TConfiguration) GetTLSConfig() *tls.Config {
+	if tc == nil {
+		return nil
+	}
+	return tc.TLSConfig
+}
+
+// GetTBinaryStrictRead returns the strict read configuration TBinaryProtocol
+// should follow.
+//
+// It's nil-safe. DEFAULT_TBINARY_STRICT_READ will be returned if either tc or
+// tc.TBinaryStrictRead is nil.
+func (tc *TConfiguration) GetTBinaryStrictRead() bool {
+	if tc == nil || tc.TBinaryStrictRead == nil {
+		return DEFAULT_TBINARY_STRICT_READ
+	}
+	return *tc.TBinaryStrictRead
+}
+
+// GetTBinaryStrictWrite returns the strict read configuration TBinaryProtocol
+// should follow.
+//
+// It's nil-safe. DEFAULT_TBINARY_STRICT_WRITE will be returned if either tc or
+// tc.TBinaryStrictWrite is nil.
+func (tc *TConfiguration) GetTBinaryStrictWrite() bool {
+	if tc == nil || tc.TBinaryStrictWrite == nil {
+		return DEFAULT_TBINARY_STRICT_WRITE
+	}
+	return *tc.TBinaryStrictWrite
+}
+
+// GetTHeaderProtocolID returns the THeaderProtocolID should be used by
+// THeaderProtocol clients (for servers, they always use the same one as the
+// client instead).
+//
+// It's nil-safe. If either tc or tc.THeaderProtocolID is nil,
+// THeaderProtocolDefault will be returned instead.
+// THeaderProtocolDefault will also be returned if configured value is invalid.
+func (tc *TConfiguration) GetTHeaderProtocolID() THeaderProtocolID {
+	if tc == nil || tc.THeaderProtocolID == nil {
+		return THeaderProtocolDefault
+	}
+	protoID := *tc.THeaderProtocolID
+	if err := protoID.Validate(); err != nil {
+		return THeaderProtocolDefault
+	}
+	return protoID
+}
+
+// THeaderProtocolIDPtr validates and returns the pointer to id.
+//
+// If id is not a valid THeaderProtocolID, a pointer to THeaderProtocolDefault
+// and the validation error will be returned.
+func THeaderProtocolIDPtr(id THeaderProtocolID) (*THeaderProtocolID, error) {
+	err := id.Validate()
+	if err != nil {
+		id = THeaderProtocolDefault
+	}
+	return &id, err
+}
+
+// THeaderProtocolIDPtrMust validates and returns the pointer to id.
+//
+// It's similar to THeaderProtocolIDPtr, but it panics on validation errors
+// instead of returning them.
+func THeaderProtocolIDPtrMust(id THeaderProtocolID) *THeaderProtocolID {
+	ptr, err := THeaderProtocolIDPtr(id)
+	if err != nil {
+		panic(err)
+	}
+	return ptr
+}
+
+// TConfigurationSetter is an optional interface TProtocol, TTransport,
+// TProtocolFactory, TTransportFactory, and other implementations can implement.
+//
+// It's intended to be called during intializations.
+// The behavior of calling SetTConfiguration on a TTransport/TProtocol in the
+// middle of a message is undefined:
+// It may or may not change the behavior of the current processing message,
+// and it may even cause the current message to fail.
+//
+// Note for implementations: SetTConfiguration might be called multiple times
+// with the same value in quick successions due to the implementation of the
+// propagation. Implementations should make SetTConfiguration as simple as
+// possible (usually just overwrite the stored configuration and propagate it to
+// the wrapped TTransports/TProtocols).
+type TConfigurationSetter interface {
+	SetTConfiguration(*TConfiguration)
+}
+
+// PropagateTConfiguration propagates cfg to impl if impl implements
+// TConfigurationSetter and cfg is non-nil, otherwise it does nothing.
+//
+// NOTE: nil cfg is not propagated. If you want to propagate a TConfiguration
+// with everything being default value, use &TConfiguration{} explicitly instead.
+func PropagateTConfiguration(impl interface{}, cfg *TConfiguration) {
+	if cfg == nil || cfg.noPropagation {
+		return
+	}
+
+	if setter, ok := impl.(TConfigurationSetter); ok {
+		setter.SetTConfiguration(cfg)
+	}
+}
+
+func checkSizeForProtocol(size int32, cfg *TConfiguration) error {
+	if size < 0 {
+		return NewTProtocolExceptionWithType(
+			NEGATIVE_SIZE,
+			fmt.Errorf("negative size: %d", size),
+		)
+	}
+	if size > cfg.GetMaxMessageSize() {
+		return NewTProtocolExceptionWithType(
+			SIZE_LIMIT,
+			fmt.Errorf("size exceeded max allowed: %d", size),
+		)
+	}
+	return nil
+}
+
+type tTransportFactoryConf struct {
+	delegate TTransportFactory
+	cfg      *TConfiguration
+}
+
+func (f *tTransportFactoryConf) GetTransport(orig TTransport) (TTransport, error) {
+	trans, err := f.delegate.GetTransport(orig)
+	if err == nil {
+		PropagateTConfiguration(orig, f.cfg)
+		PropagateTConfiguration(trans, f.cfg)
+	}
+	return trans, err
+}
+
+func (f *tTransportFactoryConf) SetTConfiguration(cfg *TConfiguration) {
+	PropagateTConfiguration(f.delegate, f.cfg)
+	f.cfg = cfg
+}
+
+// TTransportFactoryConf wraps a TTransportFactory to propagate
+// TConfiguration on the factory's GetTransport calls.
+func TTransportFactoryConf(delegate TTransportFactory, conf *TConfiguration) TTransportFactory {
+	return &tTransportFactoryConf{
+		delegate: delegate,
+		cfg:      conf,
+	}
+}
+
+type tProtocolFactoryConf struct {
+	delegate TProtocolFactory
+	cfg      *TConfiguration
+}
+
+func (f *tProtocolFactoryConf) GetProtocol(trans TTransport) TProtocol {
+	proto := f.delegate.GetProtocol(trans)
+	PropagateTConfiguration(trans, f.cfg)
+	PropagateTConfiguration(proto, f.cfg)
+	return proto
+}
+
+func (f *tProtocolFactoryConf) SetTConfiguration(cfg *TConfiguration) {
+	PropagateTConfiguration(f.delegate, f.cfg)
+	f.cfg = cfg
+}
+
+// TProtocolFactoryConf wraps a TProtocolFactory to propagate
+// TConfiguration on the factory's GetProtocol calls.
+func TProtocolFactoryConf(delegate TProtocolFactory, conf *TConfiguration) TProtocolFactory {
+	return &tProtocolFactoryConf{
+		delegate: delegate,
+		cfg:      conf,
+	}
+}
+
+var (
+	_ TConfigurationSetter = (*tTransportFactoryConf)(nil)
+	_ TConfigurationSetter = (*tProtocolFactoryConf)(nil)
+)
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/processor.go b/vendor/github.com/uber/jaeger-client-go/thrift/context.go
similarity index 74%
rename from vendor/github.com/uber/jaeger-client-go/thrift/processor.go
rename to vendor/github.com/uber/jaeger-client-go/thrift/context.go
index ca0d3fa..d15c1bc 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/processor.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/context.go
@@ -19,12 +19,6 @@
 
 package thrift
 
-// A processor is a generic object which operates upon an input stream and
-// writes to some output stream.
-type TProcessor interface {
-	Process(in, out TProtocol) (bool, TException)
-}
+import "context"
 
-type TProcessorFunction interface {
-	Process(seqId int32, in, out TProtocol) (bool, TException)
-}
+var defaultCtx = context.Background()
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/exception.go b/vendor/github.com/uber/jaeger-client-go/thrift/exception.go
index ea8d6f6..53bf862 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/exception.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/exception.go
@@ -26,19 +26,91 @@
 // Generic Thrift exception
 type TException interface {
 	error
+
+	TExceptionType() TExceptionType
 }
 
 // Prepends additional information to an error without losing the Thrift exception interface
 func PrependError(prepend string, err error) error {
-	if t, ok := err.(TTransportException); ok {
-		return NewTTransportException(t.TypeId(), prepend+t.Error())
-	}
-	if t, ok := err.(TProtocolException); ok {
-		return NewTProtocolExceptionWithType(t.TypeId(), errors.New(prepend+err.Error()))
-	}
-	if t, ok := err.(TApplicationException); ok {
-		return NewTApplicationException(t.TypeId(), prepend+t.Error())
+	msg := prepend + err.Error()
+
+	var te TException
+	if errors.As(err, &te) {
+		switch te.TExceptionType() {
+		case TExceptionTypeTransport:
+			if t, ok := err.(TTransportException); ok {
+				return prependTTransportException(prepend, t)
+			}
+		case TExceptionTypeProtocol:
+			if t, ok := err.(TProtocolException); ok {
+				return prependTProtocolException(prepend, t)
+			}
+		case TExceptionTypeApplication:
+			var t TApplicationException
+			if errors.As(err, &t) {
+				return NewTApplicationException(t.TypeId(), msg)
+			}
+		}
+
+		return wrappedTException{
+			err:            err,
+			msg:            msg,
+			tExceptionType: te.TExceptionType(),
+		}
 	}
 
-	return errors.New(prepend + err.Error())
+	return errors.New(msg)
 }
+
+// TExceptionType is an enum type to categorize different "subclasses" of TExceptions.
+type TExceptionType byte
+
+// TExceptionType values
+const (
+	TExceptionTypeUnknown     TExceptionType = iota
+	TExceptionTypeCompiled                   // TExceptions defined in thrift files and generated by thrift compiler
+	TExceptionTypeApplication                // TApplicationExceptions
+	TExceptionTypeProtocol                   // TProtocolExceptions
+	TExceptionTypeTransport                  // TTransportExceptions
+)
+
+// WrapTException wraps an error into TException.
+//
+// If err is nil or already TException, it's returned as-is.
+// Otherwise it will be wraped into TException with TExceptionType() returning
+// TExceptionTypeUnknown, and Unwrap() returning the original error.
+func WrapTException(err error) TException {
+	if err == nil {
+		return nil
+	}
+
+	if te, ok := err.(TException); ok {
+		return te
+	}
+
+	return wrappedTException{
+		err:            err,
+		msg:            err.Error(),
+		tExceptionType: TExceptionTypeUnknown,
+	}
+}
+
+type wrappedTException struct {
+	err            error
+	msg            string
+	tExceptionType TExceptionType
+}
+
+func (w wrappedTException) Error() string {
+	return w.msg
+}
+
+func (w wrappedTException) TExceptionType() TExceptionType {
+	return w.tExceptionType
+}
+
+func (w wrappedTException) Unwrap() error {
+	return w.err
+}
+
+var _ TException = wrappedTException{}
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/header_context.go b/vendor/github.com/uber/jaeger-client-go/thrift/header_context.go
new file mode 100644
index 0000000..ac9bd48
--- /dev/null
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/header_context.go
@@ -0,0 +1,110 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package thrift
+
+import (
+	"context"
+)
+
+// See https://godoc.org/context#WithValue on why do we need the unexported typedefs.
+type (
+	headerKey     string
+	headerKeyList int
+)
+
+// Values for headerKeyList.
+const (
+	headerKeyListRead headerKeyList = iota
+	headerKeyListWrite
+)
+
+// SetHeader sets a header in the context.
+func SetHeader(ctx context.Context, key, value string) context.Context {
+	return context.WithValue(
+		ctx,
+		headerKey(key),
+		value,
+	)
+}
+
+// UnsetHeader unsets a previously set header in the context.
+func UnsetHeader(ctx context.Context, key string) context.Context {
+	return context.WithValue(
+		ctx,
+		headerKey(key),
+		nil,
+	)
+}
+
+// GetHeader returns a value of the given header from the context.
+func GetHeader(ctx context.Context, key string) (value string, ok bool) {
+	if v := ctx.Value(headerKey(key)); v != nil {
+		value, ok = v.(string)
+	}
+	return
+}
+
+// SetReadHeaderList sets the key list of read THeaders in the context.
+func SetReadHeaderList(ctx context.Context, keys []string) context.Context {
+	return context.WithValue(
+		ctx,
+		headerKeyListRead,
+		keys,
+	)
+}
+
+// GetReadHeaderList returns the key list of read THeaders from the context.
+func GetReadHeaderList(ctx context.Context) []string {
+	if v := ctx.Value(headerKeyListRead); v != nil {
+		if value, ok := v.([]string); ok {
+			return value
+		}
+	}
+	return nil
+}
+
+// SetWriteHeaderList sets the key list of THeaders to write in the context.
+func SetWriteHeaderList(ctx context.Context, keys []string) context.Context {
+	return context.WithValue(
+		ctx,
+		headerKeyListWrite,
+		keys,
+	)
+}
+
+// GetWriteHeaderList returns the key list of THeaders to write from the context.
+func GetWriteHeaderList(ctx context.Context) []string {
+	if v := ctx.Value(headerKeyListWrite); v != nil {
+		if value, ok := v.([]string); ok {
+			return value
+		}
+	}
+	return nil
+}
+
+// AddReadTHeaderToContext adds the whole THeader headers into context.
+func AddReadTHeaderToContext(ctx context.Context, headers THeaderMap) context.Context {
+	keys := make([]string, 0, len(headers))
+	for key, value := range headers {
+		ctx = SetHeader(ctx, key, value)
+		keys = append(keys, key)
+	}
+	return SetReadHeaderList(ctx, keys)
+}
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/header_protocol.go b/vendor/github.com/uber/jaeger-client-go/thrift/header_protocol.go
new file mode 100644
index 0000000..878041f
--- /dev/null
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/header_protocol.go
@@ -0,0 +1,351 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package thrift
+
+import (
+	"context"
+	"errors"
+)
+
+// THeaderProtocol is a thrift protocol that implements THeader:
+// https://github.com/apache/thrift/blob/master/doc/specs/HeaderFormat.md
+//
+// It supports either binary or compact protocol as the wrapped protocol.
+//
+// Most of the THeader handlings are happening inside THeaderTransport.
+type THeaderProtocol struct {
+	transport *THeaderTransport
+
+	// Will be initialized on first read/write.
+	protocol TProtocol
+
+	cfg *TConfiguration
+}
+
+// Deprecated: Use NewTHeaderProtocolConf instead.
+func NewTHeaderProtocol(trans TTransport) *THeaderProtocol {
+	return newTHeaderProtocolConf(trans, &TConfiguration{
+		noPropagation: true,
+	})
+}
+
+// NewTHeaderProtocolConf creates a new THeaderProtocol from the underlying
+// transport with given TConfiguration.
+//
+// The passed in transport will be wrapped with THeaderTransport.
+//
+// Note that THeaderTransport handles frame and zlib by itself,
+// so the underlying transport should be a raw socket transports (TSocket or TSSLSocket),
+// instead of rich transports like TZlibTransport or TFramedTransport.
+func NewTHeaderProtocolConf(trans TTransport, conf *TConfiguration) *THeaderProtocol {
+	return newTHeaderProtocolConf(trans, conf)
+}
+
+func newTHeaderProtocolConf(trans TTransport, cfg *TConfiguration) *THeaderProtocol {
+	t := NewTHeaderTransportConf(trans, cfg)
+	p, _ := t.cfg.GetTHeaderProtocolID().GetProtocol(t)
+	PropagateTConfiguration(p, cfg)
+	return &THeaderProtocol{
+		transport: t,
+		protocol:  p,
+		cfg:       cfg,
+	}
+}
+
+type tHeaderProtocolFactory struct {
+	cfg *TConfiguration
+}
+
+func (f tHeaderProtocolFactory) GetProtocol(trans TTransport) TProtocol {
+	return newTHeaderProtocolConf(trans, f.cfg)
+}
+
+func (f *tHeaderProtocolFactory) SetTConfiguration(cfg *TConfiguration) {
+	f.cfg = cfg
+}
+
+// Deprecated: Use NewTHeaderProtocolFactoryConf instead.
+func NewTHeaderProtocolFactory() TProtocolFactory {
+	return NewTHeaderProtocolFactoryConf(&TConfiguration{
+		noPropagation: true,
+	})
+}
+
+// NewTHeaderProtocolFactoryConf creates a factory for THeader with given
+// TConfiguration.
+func NewTHeaderProtocolFactoryConf(conf *TConfiguration) TProtocolFactory {
+	return tHeaderProtocolFactory{
+		cfg: conf,
+	}
+}
+
+// Transport returns the underlying transport.
+//
+// It's guaranteed to be of type *THeaderTransport.
+func (p *THeaderProtocol) Transport() TTransport {
+	return p.transport
+}
+
+// GetReadHeaders returns the THeaderMap read from transport.
+func (p *THeaderProtocol) GetReadHeaders() THeaderMap {
+	return p.transport.GetReadHeaders()
+}
+
+// SetWriteHeader sets a header for write.
+func (p *THeaderProtocol) SetWriteHeader(key, value string) {
+	p.transport.SetWriteHeader(key, value)
+}
+
+// ClearWriteHeaders clears all write headers previously set.
+func (p *THeaderProtocol) ClearWriteHeaders() {
+	p.transport.ClearWriteHeaders()
+}
+
+// AddTransform add a transform for writing.
+func (p *THeaderProtocol) AddTransform(transform THeaderTransformID) error {
+	return p.transport.AddTransform(transform)
+}
+
+func (p *THeaderProtocol) Flush(ctx context.Context) error {
+	return p.transport.Flush(ctx)
+}
+
+func (p *THeaderProtocol) WriteMessageBegin(ctx context.Context, name string, typeID TMessageType, seqID int32) error {
+	newProto, err := p.transport.Protocol().GetProtocol(p.transport)
+	if err != nil {
+		return err
+	}
+	PropagateTConfiguration(newProto, p.cfg)
+	p.protocol = newProto
+	p.transport.SequenceID = seqID
+	return p.protocol.WriteMessageBegin(ctx, name, typeID, seqID)
+}
+
+func (p *THeaderProtocol) WriteMessageEnd(ctx context.Context) error {
+	if err := p.protocol.WriteMessageEnd(ctx); err != nil {
+		return err
+	}
+	return p.transport.Flush(ctx)
+}
+
+func (p *THeaderProtocol) WriteStructBegin(ctx context.Context, name string) error {
+	return p.protocol.WriteStructBegin(ctx, name)
+}
+
+func (p *THeaderProtocol) WriteStructEnd(ctx context.Context) error {
+	return p.protocol.WriteStructEnd(ctx)
+}
+
+func (p *THeaderProtocol) WriteFieldBegin(ctx context.Context, name string, typeID TType, id int16) error {
+	return p.protocol.WriteFieldBegin(ctx, name, typeID, id)
+}
+
+func (p *THeaderProtocol) WriteFieldEnd(ctx context.Context) error {
+	return p.protocol.WriteFieldEnd(ctx)
+}
+
+func (p *THeaderProtocol) WriteFieldStop(ctx context.Context) error {
+	return p.protocol.WriteFieldStop(ctx)
+}
+
+func (p *THeaderProtocol) WriteMapBegin(ctx context.Context, keyType TType, valueType TType, size int) error {
+	return p.protocol.WriteMapBegin(ctx, keyType, valueType, size)
+}
+
+func (p *THeaderProtocol) WriteMapEnd(ctx context.Context) error {
+	return p.protocol.WriteMapEnd(ctx)
+}
+
+func (p *THeaderProtocol) WriteListBegin(ctx context.Context, elemType TType, size int) error {
+	return p.protocol.WriteListBegin(ctx, elemType, size)
+}
+
+func (p *THeaderProtocol) WriteListEnd(ctx context.Context) error {
+	return p.protocol.WriteListEnd(ctx)
+}
+
+func (p *THeaderProtocol) WriteSetBegin(ctx context.Context, elemType TType, size int) error {
+	return p.protocol.WriteSetBegin(ctx, elemType, size)
+}
+
+func (p *THeaderProtocol) WriteSetEnd(ctx context.Context) error {
+	return p.protocol.WriteSetEnd(ctx)
+}
+
+func (p *THeaderProtocol) WriteBool(ctx context.Context, value bool) error {
+	return p.protocol.WriteBool(ctx, value)
+}
+
+func (p *THeaderProtocol) WriteByte(ctx context.Context, value int8) error {
+	return p.protocol.WriteByte(ctx, value)
+}
+
+func (p *THeaderProtocol) WriteI16(ctx context.Context, value int16) error {
+	return p.protocol.WriteI16(ctx, value)
+}
+
+func (p *THeaderProtocol) WriteI32(ctx context.Context, value int32) error {
+	return p.protocol.WriteI32(ctx, value)
+}
+
+func (p *THeaderProtocol) WriteI64(ctx context.Context, value int64) error {
+	return p.protocol.WriteI64(ctx, value)
+}
+
+func (p *THeaderProtocol) WriteDouble(ctx context.Context, value float64) error {
+	return p.protocol.WriteDouble(ctx, value)
+}
+
+func (p *THeaderProtocol) WriteString(ctx context.Context, value string) error {
+	return p.protocol.WriteString(ctx, value)
+}
+
+func (p *THeaderProtocol) WriteBinary(ctx context.Context, value []byte) error {
+	return p.protocol.WriteBinary(ctx, value)
+}
+
+// ReadFrame calls underlying THeaderTransport's ReadFrame function.
+func (p *THeaderProtocol) ReadFrame(ctx context.Context) error {
+	return p.transport.ReadFrame(ctx)
+}
+
+func (p *THeaderProtocol) ReadMessageBegin(ctx context.Context) (name string, typeID TMessageType, seqID int32, err error) {
+	if err = p.transport.ReadFrame(ctx); err != nil {
+		return
+	}
+
+	var newProto TProtocol
+	newProto, err = p.transport.Protocol().GetProtocol(p.transport)
+	if err != nil {
+		var tAppExc TApplicationException
+		if !errors.As(err, &tAppExc) {
+			return
+		}
+		if e := p.protocol.WriteMessageBegin(ctx, "", EXCEPTION, seqID); e != nil {
+			return
+		}
+		if e := tAppExc.Write(ctx, p.protocol); e != nil {
+			return
+		}
+		if e := p.protocol.WriteMessageEnd(ctx); e != nil {
+			return
+		}
+		if e := p.transport.Flush(ctx); e != nil {
+			return
+		}
+		return
+	}
+	PropagateTConfiguration(newProto, p.cfg)
+	p.protocol = newProto
+
+	return p.protocol.ReadMessageBegin(ctx)
+}
+
+func (p *THeaderProtocol) ReadMessageEnd(ctx context.Context) error {
+	return p.protocol.ReadMessageEnd(ctx)
+}
+
+func (p *THeaderProtocol) ReadStructBegin(ctx context.Context) (name string, err error) {
+	return p.protocol.ReadStructBegin(ctx)
+}
+
+func (p *THeaderProtocol) ReadStructEnd(ctx context.Context) error {
+	return p.protocol.ReadStructEnd(ctx)
+}
+
+func (p *THeaderProtocol) ReadFieldBegin(ctx context.Context) (name string, typeID TType, id int16, err error) {
+	return p.protocol.ReadFieldBegin(ctx)
+}
+
+func (p *THeaderProtocol) ReadFieldEnd(ctx context.Context) error {
+	return p.protocol.ReadFieldEnd(ctx)
+}
+
+func (p *THeaderProtocol) ReadMapBegin(ctx context.Context) (keyType TType, valueType TType, size int, err error) {
+	return p.protocol.ReadMapBegin(ctx)
+}
+
+func (p *THeaderProtocol) ReadMapEnd(ctx context.Context) error {
+	return p.protocol.ReadMapEnd(ctx)
+}
+
+func (p *THeaderProtocol) ReadListBegin(ctx context.Context) (elemType TType, size int, err error) {
+	return p.protocol.ReadListBegin(ctx)
+}
+
+func (p *THeaderProtocol) ReadListEnd(ctx context.Context) error {
+	return p.protocol.ReadListEnd(ctx)
+}
+
+func (p *THeaderProtocol) ReadSetBegin(ctx context.Context) (elemType TType, size int, err error) {
+	return p.protocol.ReadSetBegin(ctx)
+}
+
+func (p *THeaderProtocol) ReadSetEnd(ctx context.Context) error {
+	return p.protocol.ReadSetEnd(ctx)
+}
+
+func (p *THeaderProtocol) ReadBool(ctx context.Context) (value bool, err error) {
+	return p.protocol.ReadBool(ctx)
+}
+
+func (p *THeaderProtocol) ReadByte(ctx context.Context) (value int8, err error) {
+	return p.protocol.ReadByte(ctx)
+}
+
+func (p *THeaderProtocol) ReadI16(ctx context.Context) (value int16, err error) {
+	return p.protocol.ReadI16(ctx)
+}
+
+func (p *THeaderProtocol) ReadI32(ctx context.Context) (value int32, err error) {
+	return p.protocol.ReadI32(ctx)
+}
+
+func (p *THeaderProtocol) ReadI64(ctx context.Context) (value int64, err error) {
+	return p.protocol.ReadI64(ctx)
+}
+
+func (p *THeaderProtocol) ReadDouble(ctx context.Context) (value float64, err error) {
+	return p.protocol.ReadDouble(ctx)
+}
+
+func (p *THeaderProtocol) ReadString(ctx context.Context) (value string, err error) {
+	return p.protocol.ReadString(ctx)
+}
+
+func (p *THeaderProtocol) ReadBinary(ctx context.Context) (value []byte, err error) {
+	return p.protocol.ReadBinary(ctx)
+}
+
+func (p *THeaderProtocol) Skip(ctx context.Context, fieldType TType) error {
+	return p.protocol.Skip(ctx, fieldType)
+}
+
+// SetTConfiguration implements TConfigurationSetter.
+func (p *THeaderProtocol) SetTConfiguration(cfg *TConfiguration) {
+	PropagateTConfiguration(p.transport, cfg)
+	PropagateTConfiguration(p.protocol, cfg)
+	p.cfg = cfg
+}
+
+var (
+	_ TConfigurationSetter = (*tHeaderProtocolFactory)(nil)
+	_ TConfigurationSetter = (*THeaderProtocol)(nil)
+)
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/header_transport.go b/vendor/github.com/uber/jaeger-client-go/thrift/header_transport.go
new file mode 100644
index 0000000..f5736df
--- /dev/null
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/header_transport.go
@@ -0,0 +1,810 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package thrift
+
+import (
+	"bufio"
+	"bytes"
+	"compress/zlib"
+	"context"
+	"encoding/binary"
+	"errors"
+	"fmt"
+	"io"
+	"io/ioutil"
+)
+
+// Size in bytes for 32-bit ints.
+const size32 = 4
+
+type headerMeta struct {
+	MagicFlags   uint32
+	SequenceID   int32
+	HeaderLength uint16
+}
+
+const headerMetaSize = 10
+
+type clientType int
+
+const (
+	clientUnknown clientType = iota
+	clientHeaders
+	clientFramedBinary
+	clientUnframedBinary
+	clientFramedCompact
+	clientUnframedCompact
+)
+
+// Constants defined in THeader format:
+// https://github.com/apache/thrift/blob/master/doc/specs/HeaderFormat.md
+const (
+	THeaderHeaderMagic  uint32 = 0x0fff0000
+	THeaderHeaderMask   uint32 = 0xffff0000
+	THeaderFlagsMask    uint32 = 0x0000ffff
+	THeaderMaxFrameSize uint32 = 0x3fffffff
+)
+
+// THeaderMap is the type of the header map in THeader transport.
+type THeaderMap map[string]string
+
+// THeaderProtocolID is the wrapped protocol id used in THeader.
+type THeaderProtocolID int32
+
+// Supported THeaderProtocolID values.
+const (
+	THeaderProtocolBinary  THeaderProtocolID = 0x00
+	THeaderProtocolCompact THeaderProtocolID = 0x02
+	THeaderProtocolDefault                   = THeaderProtocolBinary
+)
+
+// Declared globally to avoid repetitive allocations, not really used.
+var globalMemoryBuffer = NewTMemoryBuffer()
+
+// Validate checks whether the THeaderProtocolID is a valid/supported one.
+func (id THeaderProtocolID) Validate() error {
+	_, err := id.GetProtocol(globalMemoryBuffer)
+	return err
+}
+
+// GetProtocol gets the corresponding TProtocol from the wrapped protocol id.
+func (id THeaderProtocolID) GetProtocol(trans TTransport) (TProtocol, error) {
+	switch id {
+	default:
+		return nil, NewTApplicationException(
+			INVALID_PROTOCOL,
+			fmt.Sprintf("THeader protocol id %d not supported", id),
+		)
+	case THeaderProtocolBinary:
+		return NewTBinaryProtocolTransport(trans), nil
+	case THeaderProtocolCompact:
+		return NewTCompactProtocol(trans), nil
+	}
+}
+
+// THeaderTransformID defines the numeric id of the transform used.
+type THeaderTransformID int32
+
+// THeaderTransformID values.
+//
+// Values not defined here are not currently supported, namely HMAC and Snappy.
+const (
+	TransformNone THeaderTransformID = iota // 0, no special handling
+	TransformZlib                           // 1, zlib
+)
+
+var supportedTransformIDs = map[THeaderTransformID]bool{
+	TransformNone: true,
+	TransformZlib: true,
+}
+
+// TransformReader is an io.ReadCloser that handles transforms reading.
+type TransformReader struct {
+	io.Reader
+
+	closers []io.Closer
+}
+
+var _ io.ReadCloser = (*TransformReader)(nil)
+
+// NewTransformReaderWithCapacity initializes a TransformReader with expected
+// closers capacity.
+//
+// If you don't know the closers capacity beforehand, just use
+//
+//     &TransformReader{Reader: baseReader}
+//
+// instead would be sufficient.
+func NewTransformReaderWithCapacity(baseReader io.Reader, capacity int) *TransformReader {
+	return &TransformReader{
+		Reader:  baseReader,
+		closers: make([]io.Closer, 0, capacity),
+	}
+}
+
+// Close calls the underlying closers in appropriate order,
+// stops at and returns the first error encountered.
+func (tr *TransformReader) Close() error {
+	// Call closers in reversed order
+	for i := len(tr.closers) - 1; i >= 0; i-- {
+		if err := tr.closers[i].Close(); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// AddTransform adds a transform.
+func (tr *TransformReader) AddTransform(id THeaderTransformID) error {
+	switch id {
+	default:
+		return NewTApplicationException(
+			INVALID_TRANSFORM,
+			fmt.Sprintf("THeaderTransformID %d not supported", id),
+		)
+	case TransformNone:
+		// no-op
+	case TransformZlib:
+		readCloser, err := zlib.NewReader(tr.Reader)
+		if err != nil {
+			return err
+		}
+		tr.Reader = readCloser
+		tr.closers = append(tr.closers, readCloser)
+	}
+	return nil
+}
+
+// TransformWriter is an io.WriteCloser that handles transforms writing.
+type TransformWriter struct {
+	io.Writer
+
+	closers []io.Closer
+}
+
+var _ io.WriteCloser = (*TransformWriter)(nil)
+
+// NewTransformWriter creates a new TransformWriter with base writer and transforms.
+func NewTransformWriter(baseWriter io.Writer, transforms []THeaderTransformID) (io.WriteCloser, error) {
+	writer := &TransformWriter{
+		Writer:  baseWriter,
+		closers: make([]io.Closer, 0, len(transforms)),
+	}
+	for _, id := range transforms {
+		if err := writer.AddTransform(id); err != nil {
+			return nil, err
+		}
+	}
+	return writer, nil
+}
+
+// Close calls the underlying closers in appropriate order,
+// stops at and returns the first error encountered.
+func (tw *TransformWriter) Close() error {
+	// Call closers in reversed order
+	for i := len(tw.closers) - 1; i >= 0; i-- {
+		if err := tw.closers[i].Close(); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// AddTransform adds a transform.
+func (tw *TransformWriter) AddTransform(id THeaderTransformID) error {
+	switch id {
+	default:
+		return NewTApplicationException(
+			INVALID_TRANSFORM,
+			fmt.Sprintf("THeaderTransformID %d not supported", id),
+		)
+	case TransformNone:
+		// no-op
+	case TransformZlib:
+		writeCloser := zlib.NewWriter(tw.Writer)
+		tw.Writer = writeCloser
+		tw.closers = append(tw.closers, writeCloser)
+	}
+	return nil
+}
+
+// THeaderInfoType is the type id of the info headers.
+type THeaderInfoType int32
+
+// Supported THeaderInfoType values.
+const (
+	_            THeaderInfoType = iota // Skip 0
+	InfoKeyValue                        // 1
+	// Rest of the info types are not supported.
+)
+
+// THeaderTransport is a Transport mode that implements THeader.
+//
+// Note that THeaderTransport handles frame and zlib by itself,
+// so the underlying transport should be a raw socket transports (TSocket or TSSLSocket),
+// instead of rich transports like TZlibTransport or TFramedTransport.
+type THeaderTransport struct {
+	SequenceID int32
+	Flags      uint32
+
+	transport TTransport
+
+	// THeaderMap for read and write
+	readHeaders  THeaderMap
+	writeHeaders THeaderMap
+
+	// Reading related variables.
+	reader *bufio.Reader
+	// When frame is detected, we read the frame fully into frameBuffer.
+	frameBuffer bytes.Buffer
+	// When it's non-nil, Read should read from frameReader instead of
+	// reader, and EOF error indicates end of frame instead of end of all
+	// transport.
+	frameReader io.ReadCloser
+
+	// Writing related variables
+	writeBuffer     bytes.Buffer
+	writeTransforms []THeaderTransformID
+
+	clientType clientType
+	protocolID THeaderProtocolID
+	cfg        *TConfiguration
+
+	// buffer is used in the following scenarios to avoid repetitive
+	// allocations, while 4 is big enough for all those scenarios:
+	//
+	// * header padding (max size 4)
+	// * write the frame size (size 4)
+	buffer [4]byte
+}
+
+var _ TTransport = (*THeaderTransport)(nil)
+
+// Deprecated: Use NewTHeaderTransportConf instead.
+func NewTHeaderTransport(trans TTransport) *THeaderTransport {
+	return NewTHeaderTransportConf(trans, &TConfiguration{
+		noPropagation: true,
+	})
+}
+
+// NewTHeaderTransportConf creates THeaderTransport from the
+// underlying transport, with given TConfiguration attached.
+//
+// If trans is already a *THeaderTransport, it will be returned as is,
+// but with TConfiguration overridden by the value passed in.
+//
+// The protocol ID in TConfiguration is only useful for client transports.
+// For servers,
+// the protocol ID will be overridden again to the one set by the client,
+// to ensure that servers always speak the same dialect as the client.
+func NewTHeaderTransportConf(trans TTransport, conf *TConfiguration) *THeaderTransport {
+	if ht, ok := trans.(*THeaderTransport); ok {
+		ht.SetTConfiguration(conf)
+		return ht
+	}
+	PropagateTConfiguration(trans, conf)
+	return &THeaderTransport{
+		transport:    trans,
+		reader:       bufio.NewReader(trans),
+		writeHeaders: make(THeaderMap),
+		protocolID:   conf.GetTHeaderProtocolID(),
+		cfg:          conf,
+	}
+}
+
+// Open calls the underlying transport's Open function.
+func (t *THeaderTransport) Open() error {
+	return t.transport.Open()
+}
+
+// IsOpen calls the underlying transport's IsOpen function.
+func (t *THeaderTransport) IsOpen() bool {
+	return t.transport.IsOpen()
+}
+
+// ReadFrame tries to read the frame header, guess the client type, and handle
+// unframed clients.
+func (t *THeaderTransport) ReadFrame(ctx context.Context) error {
+	if !t.needReadFrame() {
+		// No need to read frame, skipping.
+		return nil
+	}
+
+	// Peek and handle the first 32 bits.
+	// They could either be the length field of a framed message,
+	// or the first bytes of an unframed message.
+	var buf []byte
+	var err error
+	// This is also usually the first read from a connection,
+	// so handle retries around socket timeouts.
+	_, deadlineSet := ctx.Deadline()
+	for {
+		buf, err = t.reader.Peek(size32)
+		if deadlineSet && isTimeoutError(err) && ctx.Err() == nil {
+			// This is I/O timeout and we still have time,
+			// continue trying
+			continue
+		}
+		// For anything else, do not retry
+		break
+	}
+	if err != nil {
+		return err
+	}
+
+	frameSize := binary.BigEndian.Uint32(buf)
+	if frameSize&VERSION_MASK == VERSION_1 {
+		t.clientType = clientUnframedBinary
+		return nil
+	}
+	if buf[0] == COMPACT_PROTOCOL_ID && buf[1]&COMPACT_VERSION_MASK == COMPACT_VERSION {
+		t.clientType = clientUnframedCompact
+		return nil
+	}
+
+	// At this point it should be a framed message,
+	// sanity check on frameSize then discard the peeked part.
+	if frameSize > THeaderMaxFrameSize || frameSize > uint32(t.cfg.GetMaxFrameSize()) {
+		return NewTProtocolExceptionWithType(
+			SIZE_LIMIT,
+			errors.New("frame too large"),
+		)
+	}
+	t.reader.Discard(size32)
+
+	// Read the frame fully into frameBuffer.
+	_, err = io.CopyN(&t.frameBuffer, t.reader, int64(frameSize))
+	if err != nil {
+		return err
+	}
+	t.frameReader = ioutil.NopCloser(&t.frameBuffer)
+
+	// Peek and handle the next 32 bits.
+	buf = t.frameBuffer.Bytes()[:size32]
+	version := binary.BigEndian.Uint32(buf)
+	if version&THeaderHeaderMask == THeaderHeaderMagic {
+		t.clientType = clientHeaders
+		return t.parseHeaders(ctx, frameSize)
+	}
+	if version&VERSION_MASK == VERSION_1 {
+		t.clientType = clientFramedBinary
+		return nil
+	}
+	if buf[0] == COMPACT_PROTOCOL_ID && buf[1]&COMPACT_VERSION_MASK == COMPACT_VERSION {
+		t.clientType = clientFramedCompact
+		return nil
+	}
+	if err := t.endOfFrame(); err != nil {
+		return err
+	}
+	return NewTProtocolExceptionWithType(
+		NOT_IMPLEMENTED,
+		errors.New("unsupported client transport type"),
+	)
+}
+
+// endOfFrame does end of frame handling.
+//
+// It closes frameReader, and also resets frame related states.
+func (t *THeaderTransport) endOfFrame() error {
+	defer func() {
+		t.frameBuffer.Reset()
+		t.frameReader = nil
+	}()
+	return t.frameReader.Close()
+}
+
+func (t *THeaderTransport) parseHeaders(ctx context.Context, frameSize uint32) error {
+	if t.clientType != clientHeaders {
+		return nil
+	}
+
+	var err error
+	var meta headerMeta
+	if err = binary.Read(&t.frameBuffer, binary.BigEndian, &meta); err != nil {
+		return err
+	}
+	frameSize -= headerMetaSize
+	t.Flags = meta.MagicFlags & THeaderFlagsMask
+	t.SequenceID = meta.SequenceID
+	headerLength := int64(meta.HeaderLength) * 4
+	if int64(frameSize) < headerLength {
+		return NewTProtocolExceptionWithType(
+			SIZE_LIMIT,
+			errors.New("header size is larger than the whole frame"),
+		)
+	}
+	headerBuf := NewTMemoryBuffer()
+	_, err = io.CopyN(headerBuf, &t.frameBuffer, headerLength)
+	if err != nil {
+		return err
+	}
+	hp := NewTCompactProtocol(headerBuf)
+	hp.SetTConfiguration(t.cfg)
+
+	// At this point the header is already read into headerBuf,
+	// and t.frameBuffer starts from the actual payload.
+	protoID, err := hp.readVarint32()
+	if err != nil {
+		return err
+	}
+	t.protocolID = THeaderProtocolID(protoID)
+
+	var transformCount int32
+	transformCount, err = hp.readVarint32()
+	if err != nil {
+		return err
+	}
+	if transformCount > 0 {
+		reader := NewTransformReaderWithCapacity(
+			&t.frameBuffer,
+			int(transformCount),
+		)
+		t.frameReader = reader
+		transformIDs := make([]THeaderTransformID, transformCount)
+		for i := 0; i < int(transformCount); i++ {
+			id, err := hp.readVarint32()
+			if err != nil {
+				return err
+			}
+			transformIDs[i] = THeaderTransformID(id)
+		}
+		// The transform IDs on the wire was added based on the order of
+		// writing, so on the reading side we need to reverse the order.
+		for i := transformCount - 1; i >= 0; i-- {
+			id := transformIDs[i]
+			if err := reader.AddTransform(id); err != nil {
+				return err
+			}
+		}
+	}
+
+	// The info part does not use the transforms yet, so it's
+	// important to continue using headerBuf.
+	headers := make(THeaderMap)
+	for {
+		infoType, err := hp.readVarint32()
+		if errors.Is(err, io.EOF) {
+			break
+		}
+		if err != nil {
+			return err
+		}
+		if THeaderInfoType(infoType) == InfoKeyValue {
+			count, err := hp.readVarint32()
+			if err != nil {
+				return err
+			}
+			for i := 0; i < int(count); i++ {
+				key, err := hp.ReadString(ctx)
+				if err != nil {
+					return err
+				}
+				value, err := hp.ReadString(ctx)
+				if err != nil {
+					return err
+				}
+				headers[key] = value
+			}
+		} else {
+			// Skip reading info section on the first
+			// unsupported info type.
+			break
+		}
+	}
+	t.readHeaders = headers
+
+	return nil
+}
+
+func (t *THeaderTransport) needReadFrame() bool {
+	if t.clientType == clientUnknown {
+		// This is a new connection that's never read before.
+		return true
+	}
+	if t.isFramed() && t.frameReader == nil {
+		// We just finished the last frame.
+		return true
+	}
+	return false
+}
+
+func (t *THeaderTransport) Read(p []byte) (read int, err error) {
+	// Here using context.Background instead of a context passed in is safe.
+	// First is that there's no way to pass context into this function.
+	// Then, 99% of the case when calling this Read frame is already read
+	// into frameReader. ReadFrame here is more of preventing bugs that
+	// didn't call ReadFrame before calling Read.
+	err = t.ReadFrame(context.Background())
+	if err != nil {
+		return
+	}
+	if t.frameReader != nil {
+		read, err = t.frameReader.Read(p)
+		if err == nil && t.frameBuffer.Len() <= 0 {
+			// the last Read finished the frame, do endOfFrame
+			// handling here.
+			err = t.endOfFrame()
+		} else if err == io.EOF {
+			err = t.endOfFrame()
+			if err != nil {
+				return
+			}
+			if read == 0 {
+				// Try to read the next frame when we hit EOF
+				// (end of frame) immediately.
+				// When we got here, it means the last read
+				// finished the previous frame, but didn't
+				// do endOfFrame handling yet.
+				// We have to read the next frame here,
+				// as otherwise we would return 0 and nil,
+				// which is a case not handled well by most
+				// protocol implementations.
+				return t.Read(p)
+			}
+		}
+		return
+	}
+	return t.reader.Read(p)
+}
+
+// Write writes data to the write buffer.
+//
+// You need to call Flush to actually write them to the transport.
+func (t *THeaderTransport) Write(p []byte) (int, error) {
+	return t.writeBuffer.Write(p)
+}
+
+// Flush writes the appropriate header and the write buffer to the underlying transport.
+func (t *THeaderTransport) Flush(ctx context.Context) error {
+	if t.writeBuffer.Len() == 0 {
+		return nil
+	}
+
+	defer t.writeBuffer.Reset()
+
+	switch t.clientType {
+	default:
+		fallthrough
+	case clientUnknown:
+		t.clientType = clientHeaders
+		fallthrough
+	case clientHeaders:
+		headers := NewTMemoryBuffer()
+		hp := NewTCompactProtocol(headers)
+		hp.SetTConfiguration(t.cfg)
+		if _, err := hp.writeVarint32(int32(t.protocolID)); err != nil {
+			return NewTTransportExceptionFromError(err)
+		}
+		if _, err := hp.writeVarint32(int32(len(t.writeTransforms))); err != nil {
+			return NewTTransportExceptionFromError(err)
+		}
+		for _, transform := range t.writeTransforms {
+			if _, err := hp.writeVarint32(int32(transform)); err != nil {
+				return NewTTransportExceptionFromError(err)
+			}
+		}
+		if len(t.writeHeaders) > 0 {
+			if _, err := hp.writeVarint32(int32(InfoKeyValue)); err != nil {
+				return NewTTransportExceptionFromError(err)
+			}
+			if _, err := hp.writeVarint32(int32(len(t.writeHeaders))); err != nil {
+				return NewTTransportExceptionFromError(err)
+			}
+			for key, value := range t.writeHeaders {
+				if err := hp.WriteString(ctx, key); err != nil {
+					return NewTTransportExceptionFromError(err)
+				}
+				if err := hp.WriteString(ctx, value); err != nil {
+					return NewTTransportExceptionFromError(err)
+				}
+			}
+		}
+		padding := 4 - headers.Len()%4
+		if padding < 4 {
+			buf := t.buffer[:padding]
+			for i := range buf {
+				buf[i] = 0
+			}
+			if _, err := headers.Write(buf); err != nil {
+				return NewTTransportExceptionFromError(err)
+			}
+		}
+
+		var payload bytes.Buffer
+		meta := headerMeta{
+			MagicFlags:   THeaderHeaderMagic + t.Flags&THeaderFlagsMask,
+			SequenceID:   t.SequenceID,
+			HeaderLength: uint16(headers.Len() / 4),
+		}
+		if err := binary.Write(&payload, binary.BigEndian, meta); err != nil {
+			return NewTTransportExceptionFromError(err)
+		}
+		if _, err := io.Copy(&payload, headers); err != nil {
+			return NewTTransportExceptionFromError(err)
+		}
+
+		writer, err := NewTransformWriter(&payload, t.writeTransforms)
+		if err != nil {
+			return NewTTransportExceptionFromError(err)
+		}
+		if _, err := io.Copy(writer, &t.writeBuffer); err != nil {
+			return NewTTransportExceptionFromError(err)
+		}
+		if err := writer.Close(); err != nil {
+			return NewTTransportExceptionFromError(err)
+		}
+
+		// First write frame length
+		buf := t.buffer[:size32]
+		binary.BigEndian.PutUint32(buf, uint32(payload.Len()))
+		if _, err := t.transport.Write(buf); err != nil {
+			return NewTTransportExceptionFromError(err)
+		}
+		// Then write the payload
+		if _, err := io.Copy(t.transport, &payload); err != nil {
+			return NewTTransportExceptionFromError(err)
+		}
+
+	case clientFramedBinary, clientFramedCompact:
+		buf := t.buffer[:size32]
+		binary.BigEndian.PutUint32(buf, uint32(t.writeBuffer.Len()))
+		if _, err := t.transport.Write(buf); err != nil {
+			return NewTTransportExceptionFromError(err)
+		}
+		fallthrough
+	case clientUnframedBinary, clientUnframedCompact:
+		if _, err := io.Copy(t.transport, &t.writeBuffer); err != nil {
+			return NewTTransportExceptionFromError(err)
+		}
+	}
+
+	select {
+	default:
+	case <-ctx.Done():
+		return NewTTransportExceptionFromError(ctx.Err())
+	}
+
+	return t.transport.Flush(ctx)
+}
+
+// Close closes the transport, along with its underlying transport.
+func (t *THeaderTransport) Close() error {
+	if err := t.Flush(context.Background()); err != nil {
+		return err
+	}
+	return t.transport.Close()
+}
+
+// RemainingBytes calls underlying transport's RemainingBytes.
+//
+// Even in framed cases, because of all the possible compression transforms
+// involved, the remaining frame size is likely to be different from the actual
+// remaining readable bytes, so we don't bother to keep tracking the remaining
+// frame size by ourselves and just use the underlying transport's
+// RemainingBytes directly.
+func (t *THeaderTransport) RemainingBytes() uint64 {
+	return t.transport.RemainingBytes()
+}
+
+// GetReadHeaders returns the THeaderMap read from transport.
+func (t *THeaderTransport) GetReadHeaders() THeaderMap {
+	return t.readHeaders
+}
+
+// SetWriteHeader sets a header for write.
+func (t *THeaderTransport) SetWriteHeader(key, value string) {
+	t.writeHeaders[key] = value
+}
+
+// ClearWriteHeaders clears all write headers previously set.
+func (t *THeaderTransport) ClearWriteHeaders() {
+	t.writeHeaders = make(THeaderMap)
+}
+
+// AddTransform add a transform for writing.
+func (t *THeaderTransport) AddTransform(transform THeaderTransformID) error {
+	if !supportedTransformIDs[transform] {
+		return NewTProtocolExceptionWithType(
+			NOT_IMPLEMENTED,
+			fmt.Errorf("THeaderTransformID %d not supported", transform),
+		)
+	}
+	t.writeTransforms = append(t.writeTransforms, transform)
+	return nil
+}
+
+// Protocol returns the wrapped protocol id used in this THeaderTransport.
+func (t *THeaderTransport) Protocol() THeaderProtocolID {
+	switch t.clientType {
+	default:
+		return t.protocolID
+	case clientFramedBinary, clientUnframedBinary:
+		return THeaderProtocolBinary
+	case clientFramedCompact, clientUnframedCompact:
+		return THeaderProtocolCompact
+	}
+}
+
+func (t *THeaderTransport) isFramed() bool {
+	switch t.clientType {
+	default:
+		return false
+	case clientHeaders, clientFramedBinary, clientFramedCompact:
+		return true
+	}
+}
+
+// SetTConfiguration implements TConfigurationSetter.
+func (t *THeaderTransport) SetTConfiguration(cfg *TConfiguration) {
+	PropagateTConfiguration(t.transport, cfg)
+	t.cfg = cfg
+}
+
+// THeaderTransportFactory is a TTransportFactory implementation to create
+// THeaderTransport.
+//
+// It also implements TConfigurationSetter.
+type THeaderTransportFactory struct {
+	// The underlying factory, could be nil.
+	Factory TTransportFactory
+
+	cfg *TConfiguration
+}
+
+// Deprecated: Use NewTHeaderTransportFactoryConf instead.
+func NewTHeaderTransportFactory(factory TTransportFactory) TTransportFactory {
+	return NewTHeaderTransportFactoryConf(factory, &TConfiguration{
+		noPropagation: true,
+	})
+}
+
+// NewTHeaderTransportFactoryConf creates a new *THeaderTransportFactory with
+// the given *TConfiguration.
+func NewTHeaderTransportFactoryConf(factory TTransportFactory, conf *TConfiguration) TTransportFactory {
+	return &THeaderTransportFactory{
+		Factory: factory,
+
+		cfg: conf,
+	}
+}
+
+// GetTransport implements TTransportFactory.
+func (f *THeaderTransportFactory) GetTransport(trans TTransport) (TTransport, error) {
+	if f.Factory != nil {
+		t, err := f.Factory.GetTransport(trans)
+		if err != nil {
+			return nil, err
+		}
+		return NewTHeaderTransportConf(t, f.cfg), nil
+	}
+	return NewTHeaderTransportConf(trans, f.cfg), nil
+}
+
+// SetTConfiguration implements TConfigurationSetter.
+func (f *THeaderTransportFactory) SetTConfiguration(cfg *TConfiguration) {
+	PropagateTConfiguration(f.Factory, f.cfg)
+	f.cfg = cfg
+}
+
+var (
+	_ TConfigurationSetter = (*THeaderTransportFactory)(nil)
+	_ TConfigurationSetter = (*THeaderTransport)(nil)
+)
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/logger.go b/vendor/github.com/uber/jaeger-client-go/thrift/logger.go
new file mode 100644
index 0000000..50d44ec
--- /dev/null
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/logger.go
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package thrift
+
+import (
+	"log"
+	"os"
+)
+
+// Logger is a simple wrapper of a logging function.
+//
+// In reality the users might actually use different logging libraries, and they
+// are not always compatible with each other.
+//
+// Logger is meant to be a simple common ground that it's easy to wrap whatever
+// logging library they use into.
+//
+// See https://issues.apache.org/jira/browse/THRIFT-4985 for the design
+// discussion behind it.
+type Logger func(msg string)
+
+// NopLogger is a Logger implementation that does nothing.
+func NopLogger(msg string) {}
+
+// StdLogger wraps stdlib log package into a Logger.
+//
+// If logger passed in is nil, it will fallback to use stderr and default flags.
+func StdLogger(logger *log.Logger) Logger {
+	if logger == nil {
+		logger = log.New(os.Stderr, "", log.LstdFlags)
+	}
+	return func(msg string) {
+		logger.Print(msg)
+	}
+}
+
+func fallbackLogger(logger Logger) Logger {
+	if logger == nil {
+		return StdLogger(nil)
+	}
+	return logger
+}
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/memory_buffer.go b/vendor/github.com/uber/jaeger-client-go/thrift/memory_buffer.go
index b62fd56..5936d27 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/memory_buffer.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/memory_buffer.go
@@ -21,6 +21,7 @@
 
 import (
 	"bytes"
+	"context"
 )
 
 // Memory buffer-based implementation of the TTransport interface.
@@ -33,14 +34,14 @@
 	size int
 }
 
-func (p *TMemoryBufferTransportFactory) GetTransport(trans TTransport) TTransport {
+func (p *TMemoryBufferTransportFactory) GetTransport(trans TTransport) (TTransport, error) {
 	if trans != nil {
 		t, ok := trans.(*TMemoryBuffer)
 		if ok && t.size > 0 {
-			return NewTMemoryBufferLen(t.size)
+			return NewTMemoryBufferLen(t.size), nil
 		}
 	}
-	return NewTMemoryBufferLen(p.size)
+	return NewTMemoryBufferLen(p.size), nil
 }
 
 func NewTMemoryBufferTransportFactory(size int) *TMemoryBufferTransportFactory {
@@ -70,7 +71,7 @@
 }
 
 // Flushing a memory buffer is a no-op
-func (p *TMemoryBuffer) Flush() error {
+func (p *TMemoryBuffer) Flush(ctx context.Context) error {
 	return nil
 }
 
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/numeric.go b/vendor/github.com/uber/jaeger-client-go/thrift/numeric.go
index aa8daa9..e4512d2 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/numeric.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/numeric.go
@@ -69,14 +69,14 @@
 
 func NewNumericFromI64(iValue int64) Numeric {
 	dValue := float64(iValue)
-	sValue := string(iValue)
+	sValue := strconv.FormatInt(iValue, 10)
 	isNil := false
 	return &numeric{iValue: iValue, dValue: dValue, sValue: sValue, isNil: isNil}
 }
 
 func NewNumericFromI32(iValue int32) Numeric {
 	dValue := float64(iValue)
-	sValue := string(iValue)
+	sValue := strconv.FormatInt(int64(iValue), 10)
 	isNil := false
 	return &numeric{iValue: int64(iValue), dValue: dValue, sValue: sValue, isNil: isNil}
 }
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/processor_factory.go b/vendor/github.com/uber/jaeger-client-go/thrift/processor_factory.go
new file mode 100644
index 0000000..245a3cc
--- /dev/null
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/processor_factory.go
@@ -0,0 +1,80 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package thrift
+
+import "context"
+
+// A processor is a generic object which operates upon an input stream and
+// writes to some output stream.
+type TProcessor interface {
+	Process(ctx context.Context, in, out TProtocol) (bool, TException)
+
+	// ProcessorMap returns a map of thrift method names to TProcessorFunctions.
+	ProcessorMap() map[string]TProcessorFunction
+
+	// AddToProcessorMap adds the given TProcessorFunction to the internal
+	// processor map at the given key.
+	//
+	// If one is already set at the given key, it will be replaced with the new
+	// TProcessorFunction.
+	AddToProcessorMap(string, TProcessorFunction)
+}
+
+type TProcessorFunction interface {
+	Process(ctx context.Context, seqId int32, in, out TProtocol) (bool, TException)
+}
+
+// The default processor factory just returns a singleton
+// instance.
+type TProcessorFactory interface {
+	GetProcessor(trans TTransport) TProcessor
+}
+
+type tProcessorFactory struct {
+	processor TProcessor
+}
+
+func NewTProcessorFactory(p TProcessor) TProcessorFactory {
+	return &tProcessorFactory{processor: p}
+}
+
+func (p *tProcessorFactory) GetProcessor(trans TTransport) TProcessor {
+	return p.processor
+}
+
+/**
+ * The default processor factory just returns a singleton
+ * instance.
+ */
+type TProcessorFunctionFactory interface {
+	GetProcessorFunction(trans TTransport) TProcessorFunction
+}
+
+type tProcessorFunctionFactory struct {
+	processor TProcessorFunction
+}
+
+func NewTProcessorFunctionFactory(p TProcessorFunction) TProcessorFunctionFactory {
+	return &tProcessorFunctionFactory{processor: p}
+}
+
+func (p *tProcessorFunctionFactory) GetProcessorFunction(trans TTransport) TProcessorFunction {
+	return p.processor
+}
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/protocol.go b/vendor/github.com/uber/jaeger-client-go/thrift/protocol.go
index 45fa202..0a69bd4 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/protocol.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/protocol.go
@@ -20,7 +20,9 @@
 package thrift
 
 import (
+	"context"
 	"errors"
+	"fmt"
 )
 
 const (
@@ -29,51 +31,51 @@
 )
 
 type TProtocol interface {
-	WriteMessageBegin(name string, typeId TMessageType, seqid int32) error
-	WriteMessageEnd() error
-	WriteStructBegin(name string) error
-	WriteStructEnd() error
-	WriteFieldBegin(name string, typeId TType, id int16) error
-	WriteFieldEnd() error
-	WriteFieldStop() error
-	WriteMapBegin(keyType TType, valueType TType, size int) error
-	WriteMapEnd() error
-	WriteListBegin(elemType TType, size int) error
-	WriteListEnd() error
-	WriteSetBegin(elemType TType, size int) error
-	WriteSetEnd() error
-	WriteBool(value bool) error
-	WriteByte(value int8) error
-	WriteI16(value int16) error
-	WriteI32(value int32) error
-	WriteI64(value int64) error
-	WriteDouble(value float64) error
-	WriteString(value string) error
-	WriteBinary(value []byte) error
+	WriteMessageBegin(ctx context.Context, name string, typeId TMessageType, seqid int32) error
+	WriteMessageEnd(ctx context.Context) error
+	WriteStructBegin(ctx context.Context, name string) error
+	WriteStructEnd(ctx context.Context) error
+	WriteFieldBegin(ctx context.Context, name string, typeId TType, id int16) error
+	WriteFieldEnd(ctx context.Context) error
+	WriteFieldStop(ctx context.Context) error
+	WriteMapBegin(ctx context.Context, keyType TType, valueType TType, size int) error
+	WriteMapEnd(ctx context.Context) error
+	WriteListBegin(ctx context.Context, elemType TType, size int) error
+	WriteListEnd(ctx context.Context) error
+	WriteSetBegin(ctx context.Context, elemType TType, size int) error
+	WriteSetEnd(ctx context.Context) error
+	WriteBool(ctx context.Context, value bool) error
+	WriteByte(ctx context.Context, value int8) error
+	WriteI16(ctx context.Context, value int16) error
+	WriteI32(ctx context.Context, value int32) error
+	WriteI64(ctx context.Context, value int64) error
+	WriteDouble(ctx context.Context, value float64) error
+	WriteString(ctx context.Context, value string) error
+	WriteBinary(ctx context.Context, value []byte) error
 
-	ReadMessageBegin() (name string, typeId TMessageType, seqid int32, err error)
-	ReadMessageEnd() error
-	ReadStructBegin() (name string, err error)
-	ReadStructEnd() error
-	ReadFieldBegin() (name string, typeId TType, id int16, err error)
-	ReadFieldEnd() error
-	ReadMapBegin() (keyType TType, valueType TType, size int, err error)
-	ReadMapEnd() error
-	ReadListBegin() (elemType TType, size int, err error)
-	ReadListEnd() error
-	ReadSetBegin() (elemType TType, size int, err error)
-	ReadSetEnd() error
-	ReadBool() (value bool, err error)
-	ReadByte() (value int8, err error)
-	ReadI16() (value int16, err error)
-	ReadI32() (value int32, err error)
-	ReadI64() (value int64, err error)
-	ReadDouble() (value float64, err error)
-	ReadString() (value string, err error)
-	ReadBinary() (value []byte, err error)
+	ReadMessageBegin(ctx context.Context) (name string, typeId TMessageType, seqid int32, err error)
+	ReadMessageEnd(ctx context.Context) error
+	ReadStructBegin(ctx context.Context) (name string, err error)
+	ReadStructEnd(ctx context.Context) error
+	ReadFieldBegin(ctx context.Context) (name string, typeId TType, id int16, err error)
+	ReadFieldEnd(ctx context.Context) error
+	ReadMapBegin(ctx context.Context) (keyType TType, valueType TType, size int, err error)
+	ReadMapEnd(ctx context.Context) error
+	ReadListBegin(ctx context.Context) (elemType TType, size int, err error)
+	ReadListEnd(ctx context.Context) error
+	ReadSetBegin(ctx context.Context) (elemType TType, size int, err error)
+	ReadSetEnd(ctx context.Context) error
+	ReadBool(ctx context.Context) (value bool, err error)
+	ReadByte(ctx context.Context) (value int8, err error)
+	ReadI16(ctx context.Context) (value int16, err error)
+	ReadI32(ctx context.Context) (value int32, err error)
+	ReadI64(ctx context.Context) (value int64, err error)
+	ReadDouble(ctx context.Context) (value float64, err error)
+	ReadString(ctx context.Context) (value string, err error)
+	ReadBinary(ctx context.Context) (value []byte, err error)
 
-	Skip(fieldType TType) (err error)
-	Flush() (err error)
+	Skip(ctx context.Context, fieldType TType) (err error)
+	Flush(ctx context.Context) (err error)
 
 	Transport() TTransport
 }
@@ -82,94 +84,94 @@
 const DEFAULT_RECURSION_DEPTH = 64
 
 // Skips over the next data element from the provided input TProtocol object.
-func SkipDefaultDepth(prot TProtocol, typeId TType) (err error) {
-	return Skip(prot, typeId, DEFAULT_RECURSION_DEPTH)
+func SkipDefaultDepth(ctx context.Context, prot TProtocol, typeId TType) (err error) {
+	return Skip(ctx, prot, typeId, DEFAULT_RECURSION_DEPTH)
 }
 
 // Skips over the next data element from the provided input TProtocol object.
-func Skip(self TProtocol, fieldType TType, maxDepth int) (err error) {
-	
-    if maxDepth <= 0 {
-		return NewTProtocolExceptionWithType( DEPTH_LIMIT, errors.New("Depth limit exceeded"))
+func Skip(ctx context.Context, self TProtocol, fieldType TType, maxDepth int) (err error) {
+
+	if maxDepth <= 0 {
+		return NewTProtocolExceptionWithType(DEPTH_LIMIT, errors.New("Depth limit exceeded"))
 	}
 
 	switch fieldType {
-	case STOP:
-		return
 	case BOOL:
-		_, err = self.ReadBool()
+		_, err = self.ReadBool(ctx)
 		return
 	case BYTE:
-		_, err = self.ReadByte()
+		_, err = self.ReadByte(ctx)
 		return
 	case I16:
-		_, err = self.ReadI16()
+		_, err = self.ReadI16(ctx)
 		return
 	case I32:
-		_, err = self.ReadI32()
+		_, err = self.ReadI32(ctx)
 		return
 	case I64:
-		_, err = self.ReadI64()
+		_, err = self.ReadI64(ctx)
 		return
 	case DOUBLE:
-		_, err = self.ReadDouble()
+		_, err = self.ReadDouble(ctx)
 		return
 	case STRING:
-		_, err = self.ReadString()
+		_, err = self.ReadString(ctx)
 		return
 	case STRUCT:
-		if _, err = self.ReadStructBegin(); err != nil {
+		if _, err = self.ReadStructBegin(ctx); err != nil {
 			return err
 		}
 		for {
-			_, typeId, _, _ := self.ReadFieldBegin()
+			_, typeId, _, _ := self.ReadFieldBegin(ctx)
 			if typeId == STOP {
 				break
 			}
-			err := Skip(self, typeId, maxDepth-1)
+			err := Skip(ctx, self, typeId, maxDepth-1)
 			if err != nil {
 				return err
 			}
-			self.ReadFieldEnd()
+			self.ReadFieldEnd(ctx)
 		}
-		return self.ReadStructEnd()
+		return self.ReadStructEnd(ctx)
 	case MAP:
-		keyType, valueType, size, err := self.ReadMapBegin()
+		keyType, valueType, size, err := self.ReadMapBegin(ctx)
 		if err != nil {
 			return err
 		}
 		for i := 0; i < size; i++ {
-			err := Skip(self, keyType, maxDepth-1)
+			err := Skip(ctx, self, keyType, maxDepth-1)
 			if err != nil {
 				return err
 			}
-			self.Skip(valueType)
+			self.Skip(ctx, valueType)
 		}
-		return self.ReadMapEnd()
+		return self.ReadMapEnd(ctx)
 	case SET:
-		elemType, size, err := self.ReadSetBegin()
+		elemType, size, err := self.ReadSetBegin(ctx)
 		if err != nil {
 			return err
 		}
 		for i := 0; i < size; i++ {
-			err := Skip(self, elemType, maxDepth-1)
+			err := Skip(ctx, self, elemType, maxDepth-1)
 			if err != nil {
 				return err
 			}
 		}
-		return self.ReadSetEnd()
+		return self.ReadSetEnd(ctx)
 	case LIST:
-		elemType, size, err := self.ReadListBegin()
+		elemType, size, err := self.ReadListBegin(ctx)
 		if err != nil {
 			return err
 		}
 		for i := 0; i < size; i++ {
-			err := Skip(self, elemType, maxDepth-1)
+			err := Skip(ctx, self, elemType, maxDepth-1)
 			if err != nil {
 				return err
 			}
 		}
-		return self.ReadListEnd()
+		return self.ReadListEnd(ctx)
+	default:
+		return NewTProtocolExceptionWithType(INVALID_DATA, errors.New(fmt.Sprintf("Unknown data type %d", fieldType)))
 	}
 	return nil
 }
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/protocol_exception.go b/vendor/github.com/uber/jaeger-client-go/thrift/protocol_exception.go
index 6e357ee..9dcf4bf 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/protocol_exception.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/protocol_exception.go
@@ -21,6 +21,7 @@
 
 import (
 	"encoding/base64"
+	"errors"
 )
 
 // Thrift Protocol exception
@@ -40,8 +41,15 @@
 )
 
 type tProtocolException struct {
-	typeId  int
-	message string
+	typeId int
+	err    error
+	msg    string
+}
+
+var _ TProtocolException = (*tProtocolException)(nil)
+
+func (tProtocolException) TExceptionType() TExceptionType {
+	return TExceptionTypeProtocol
 }
 
 func (p *tProtocolException) TypeId() int {
@@ -49,30 +57,48 @@
 }
 
 func (p *tProtocolException) String() string {
-	return p.message
+	return p.msg
 }
 
 func (p *tProtocolException) Error() string {
-	return p.message
+	return p.msg
+}
+
+func (p *tProtocolException) Unwrap() error {
+	return p.err
 }
 
 func NewTProtocolException(err error) TProtocolException {
 	if err == nil {
 		return nil
 	}
-	if e,ok := err.(TProtocolException); ok {
+
+	if e, ok := err.(TProtocolException); ok {
 		return e
 	}
-	if _, ok := err.(base64.CorruptInputError); ok {
-		return &tProtocolException{INVALID_DATA, err.Error()}
+
+	if errors.As(err, new(base64.CorruptInputError)) {
+		return NewTProtocolExceptionWithType(INVALID_DATA, err)
 	}
-	return &tProtocolException{UNKNOWN_PROTOCOL_EXCEPTION, err.Error()}
+
+	return NewTProtocolExceptionWithType(UNKNOWN_PROTOCOL_EXCEPTION, err)
 }
 
 func NewTProtocolExceptionWithType(errType int, err error) TProtocolException {
 	if err == nil {
 		return nil
 	}
-	return &tProtocolException{errType, err.Error()}
+	return &tProtocolException{
+		typeId: errType,
+		err:    err,
+		msg:    err.Error(),
+	}
 }
 
+func prependTProtocolException(prepend string, err TProtocolException) TProtocolException {
+	return &tProtocolException{
+		typeId: err.TypeId(),
+		err:    err,
+		msg:    prepend + err.Error(),
+	}
+}
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/response_helper.go b/vendor/github.com/uber/jaeger-client-go/thrift/response_helper.go
new file mode 100644
index 0000000..d884c6a
--- /dev/null
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/response_helper.go
@@ -0,0 +1,94 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package thrift
+
+import (
+	"context"
+)
+
+// See https://godoc.org/context#WithValue on why do we need the unexported typedefs.
+type responseHelperKey struct{}
+
+// TResponseHelper defines a object with a set of helper functions that can be
+// retrieved from the context object passed into server handler functions.
+//
+// Use GetResponseHelper to retrieve the injected TResponseHelper implementation
+// from the context object.
+//
+// The zero value of TResponseHelper is valid with all helper functions being
+// no-op.
+type TResponseHelper struct {
+	// THeader related functions
+	*THeaderResponseHelper
+}
+
+// THeaderResponseHelper defines THeader related TResponseHelper functions.
+//
+// The zero value of *THeaderResponseHelper is valid with all helper functions
+// being no-op.
+type THeaderResponseHelper struct {
+	proto *THeaderProtocol
+}
+
+// NewTHeaderResponseHelper creates a new THeaderResponseHelper from the
+// underlying TProtocol.
+func NewTHeaderResponseHelper(proto TProtocol) *THeaderResponseHelper {
+	if hp, ok := proto.(*THeaderProtocol); ok {
+		return &THeaderResponseHelper{
+			proto: hp,
+		}
+	}
+	return nil
+}
+
+// SetHeader sets a response header.
+//
+// It's no-op if the underlying protocol/transport does not support THeader.
+func (h *THeaderResponseHelper) SetHeader(key, value string) {
+	if h != nil && h.proto != nil {
+		h.proto.SetWriteHeader(key, value)
+	}
+}
+
+// ClearHeaders clears all the response headers previously set.
+//
+// It's no-op if the underlying protocol/transport does not support THeader.
+func (h *THeaderResponseHelper) ClearHeaders() {
+	if h != nil && h.proto != nil {
+		h.proto.ClearWriteHeaders()
+	}
+}
+
+// GetResponseHelper retrieves the TResponseHelper implementation injected into
+// the context object.
+//
+// If no helper was found in the context object, a nop helper with ok == false
+// will be returned.
+func GetResponseHelper(ctx context.Context) (helper TResponseHelper, ok bool) {
+	if v := ctx.Value(responseHelperKey{}); v != nil {
+		helper, ok = v.(TResponseHelper)
+	}
+	return
+}
+
+// SetResponseHelper injects TResponseHelper into the context object.
+func SetResponseHelper(ctx context.Context, helper TResponseHelper) context.Context {
+	return context.WithValue(ctx, responseHelperKey{}, helper)
+}
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/rich_transport.go b/vendor/github.com/uber/jaeger-client-go/thrift/rich_transport.go
index 8e296a9..83fdf29 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/rich_transport.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/rich_transport.go
@@ -19,7 +19,10 @@
 
 package thrift
 
-import "io"
+import (
+	"errors"
+	"io"
+)
 
 type RichTransport struct {
 	TTransport
@@ -49,7 +52,7 @@
 func readByte(r io.Reader) (c byte, err error) {
 	v := [1]byte{0}
 	n, err := r.Read(v[0:1])
-	if n > 0 && (err == nil || err == io.EOF) {
+	if n > 0 && (err == nil || errors.Is(err, io.EOF)) {
 		return v[0], nil
 	}
 	if n > 0 && err != nil {
@@ -66,4 +69,3 @@
 	_, err := w.Write(v[0:1])
 	return err
 }
-
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/serializer.go b/vendor/github.com/uber/jaeger-client-go/thrift/serializer.go
index 7712229..c449790 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/serializer.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/serializer.go
@@ -19,57 +19,118 @@
 
 package thrift
 
+import (
+	"context"
+	"sync"
+)
+
 type TSerializer struct {
 	Transport *TMemoryBuffer
 	Protocol  TProtocol
 }
 
 type TStruct interface {
-	Write(p TProtocol) error
-	Read(p TProtocol) error
+	Write(ctx context.Context, p TProtocol) error
+	Read(ctx context.Context, p TProtocol) error
 }
 
 func NewTSerializer() *TSerializer {
 	transport := NewTMemoryBufferLen(1024)
-	protocol := NewTBinaryProtocolFactoryDefault().GetProtocol(transport)
+	protocol := NewTBinaryProtocolTransport(transport)
 
 	return &TSerializer{
-		transport,
-		protocol}
+		Transport: transport,
+		Protocol:  protocol,
+	}
 }
 
-func (t *TSerializer) WriteString(msg TStruct) (s string, err error) {
+func (t *TSerializer) WriteString(ctx context.Context, msg TStruct) (s string, err error) {
 	t.Transport.Reset()
 
-	if err = msg.Write(t.Protocol); err != nil {
+	if err = msg.Write(ctx, t.Protocol); err != nil {
 		return
 	}
 
-	if err = t.Protocol.Flush(); err != nil {
+	if err = t.Protocol.Flush(ctx); err != nil {
 		return
 	}
-	if err = t.Transport.Flush(); err != nil {
+	if err = t.Transport.Flush(ctx); err != nil {
 		return
 	}
 
 	return t.Transport.String(), nil
 }
 
-func (t *TSerializer) Write(msg TStruct) (b []byte, err error) {
+func (t *TSerializer) Write(ctx context.Context, msg TStruct) (b []byte, err error) {
 	t.Transport.Reset()
 
-	if err = msg.Write(t.Protocol); err != nil {
+	if err = msg.Write(ctx, t.Protocol); err != nil {
 		return
 	}
 
-	if err = t.Protocol.Flush(); err != nil {
+	if err = t.Protocol.Flush(ctx); err != nil {
 		return
 	}
 
-	if err = t.Transport.Flush(); err != nil {
+	if err = t.Transport.Flush(ctx); err != nil {
 		return
 	}
 
 	b = append(b, t.Transport.Bytes()...)
 	return
 }
+
+// TSerializerPool is the thread-safe version of TSerializer, it uses resource
+// pool of TSerializer under the hood.
+//
+// It must be initialized with either NewTSerializerPool or
+// NewTSerializerPoolSizeFactory.
+type TSerializerPool struct {
+	pool sync.Pool
+}
+
+// NewTSerializerPool creates a new TSerializerPool.
+//
+// NewTSerializer can be used as the arg here.
+func NewTSerializerPool(f func() *TSerializer) *TSerializerPool {
+	return &TSerializerPool{
+		pool: sync.Pool{
+			New: func() interface{} {
+				return f()
+			},
+		},
+	}
+}
+
+// NewTSerializerPoolSizeFactory creates a new TSerializerPool with the given
+// size and protocol factory.
+//
+// Note that the size is not the limit. The TMemoryBuffer underneath can grow
+// larger than that. It just dictates the initial size.
+func NewTSerializerPoolSizeFactory(size int, factory TProtocolFactory) *TSerializerPool {
+	return &TSerializerPool{
+		pool: sync.Pool{
+			New: func() interface{} {
+				transport := NewTMemoryBufferLen(size)
+				protocol := factory.GetProtocol(transport)
+
+				return &TSerializer{
+					Transport: transport,
+					Protocol:  protocol,
+				}
+			},
+		},
+	}
+}
+
+func (t *TSerializerPool) WriteString(ctx context.Context, msg TStruct) (string, error) {
+	s := t.pool.Get().(*TSerializer)
+	defer t.pool.Put(s)
+	return s.WriteString(ctx, msg)
+}
+
+func (t *TSerializerPool) Write(ctx context.Context, msg TStruct) ([]byte, error) {
+	s := t.pool.Get().(*TSerializer)
+	defer t.pool.Put(s)
+	return s.Write(ctx, msg)
+}
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/processor.go b/vendor/github.com/uber/jaeger-client-go/thrift/server_transport.go
similarity index 62%
copy from vendor/github.com/uber/jaeger-client-go/thrift/processor.go
copy to vendor/github.com/uber/jaeger-client-go/thrift/server_transport.go
index ca0d3fa..51c40b6 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/processor.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/server_transport.go
@@ -19,12 +19,16 @@
 
 package thrift
 
-// A processor is a generic object which operates upon an input stream and
-// writes to some output stream.
-type TProcessor interface {
-	Process(in, out TProtocol) (bool, TException)
-}
+// Server transport. Object which provides client transports.
+type TServerTransport interface {
+	Listen() error
+	Accept() (TTransport, error)
+	Close() error
 
-type TProcessorFunction interface {
-	Process(seqId int32, in, out TProtocol) (bool, TException)
+	// Optional method implementation. This signals to the server transport
+	// that it should break out of any accept() or listen() that it is currently
+	// blocked on. This method, if implemented, MUST be thread safe, as it may
+	// be called from a different thread context than the other TServerTransport
+	// methods.
+	Interrupt() error
 }
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/simple_json_protocol.go b/vendor/github.com/uber/jaeger-client-go/thrift/simple_json_protocol.go
index 412a482..d1a8154 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/simple_json_protocol.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/simple_json_protocol.go
@@ -22,8 +22,10 @@
 import (
 	"bufio"
 	"bytes"
+	"context"
 	"encoding/base64"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"math"
@@ -33,12 +35,13 @@
 type _ParseContext int
 
 const (
-	_CONTEXT_IN_TOPLEVEL          _ParseContext = 1
-	_CONTEXT_IN_LIST_FIRST        _ParseContext = 2
-	_CONTEXT_IN_LIST              _ParseContext = 3
-	_CONTEXT_IN_OBJECT_FIRST      _ParseContext = 4
-	_CONTEXT_IN_OBJECT_NEXT_KEY   _ParseContext = 5
-	_CONTEXT_IN_OBJECT_NEXT_VALUE _ParseContext = 6
+	_CONTEXT_INVALID              _ParseContext = iota
+	_CONTEXT_IN_TOPLEVEL                        // 1
+	_CONTEXT_IN_LIST_FIRST                      // 2
+	_CONTEXT_IN_LIST                            // 3
+	_CONTEXT_IN_OBJECT_FIRST                    // 4
+	_CONTEXT_IN_OBJECT_NEXT_KEY                 // 5
+	_CONTEXT_IN_OBJECT_NEXT_VALUE               // 6
 )
 
 func (p _ParseContext) String() string {
@@ -59,7 +62,33 @@
 	return "UNKNOWN-PARSE-CONTEXT"
 }
 
-// JSON protocol implementation for thrift.
+type jsonContextStack []_ParseContext
+
+func (s *jsonContextStack) push(v _ParseContext) {
+	*s = append(*s, v)
+}
+
+func (s jsonContextStack) peek() (v _ParseContext, ok bool) {
+	l := len(s)
+	if l <= 0 {
+		return
+	}
+	return s[l-1], true
+}
+
+func (s *jsonContextStack) pop() (v _ParseContext, ok bool) {
+	l := len(*s)
+	if l <= 0 {
+		return
+	}
+	v = (*s)[l-1]
+	*s = (*s)[0 : l-1]
+	return v, true
+}
+
+var errEmptyJSONContextStack = NewTProtocolExceptionWithType(INVALID_DATA, errors.New("Unexpected empty json protocol context stack"))
+
+// Simple JSON protocol implementation for thrift.
 //
 // This protocol produces/consumes a simple output format
 // suitable for parsing by scripting languages.  It should not be
@@ -68,8 +97,8 @@
 type TSimpleJSONProtocol struct {
 	trans TTransport
 
-	parseContextStack []int
-	dumpContext       []int
+	parseContextStack jsonContextStack
+	dumpContext       jsonContextStack
 
 	writer *bufio.Writer
 	reader *bufio.Reader
@@ -81,8 +110,8 @@
 		writer: bufio.NewWriter(t),
 		reader: bufio.NewReader(t),
 	}
-	v.parseContextStack = append(v.parseContextStack, int(_CONTEXT_IN_TOPLEVEL))
-	v.dumpContext = append(v.dumpContext, int(_CONTEXT_IN_TOPLEVEL))
+	v.parseContextStack.push(_CONTEXT_IN_TOPLEVEL)
+	v.dumpContext.push(_CONTEXT_IN_TOPLEVEL)
 	return v
 }
 
@@ -155,114 +184,113 @@
 	return fmt.Errorf("Expected '%s' but found '%s' while parsing JSON.", expected, actual)
 }
 
-func (p *TSimpleJSONProtocol) WriteMessageBegin(name string, typeId TMessageType, seqId int32) error {
+func (p *TSimpleJSONProtocol) WriteMessageBegin(ctx context.Context, name string, typeId TMessageType, seqId int32) error {
 	p.resetContextStack() // THRIFT-3735
 	if e := p.OutputListBegin(); e != nil {
 		return e
 	}
-	if e := p.WriteString(name); e != nil {
+	if e := p.WriteString(ctx, name); e != nil {
 		return e
 	}
-	if e := p.WriteByte(int8(typeId)); e != nil {
+	if e := p.WriteByte(ctx, int8(typeId)); e != nil {
 		return e
 	}
-	if e := p.WriteI32(seqId); e != nil {
+	if e := p.WriteI32(ctx, seqId); e != nil {
 		return e
 	}
 	return nil
 }
 
-func (p *TSimpleJSONProtocol) WriteMessageEnd() error {
+func (p *TSimpleJSONProtocol) WriteMessageEnd(ctx context.Context) error {
 	return p.OutputListEnd()
 }
 
-func (p *TSimpleJSONProtocol) WriteStructBegin(name string) error {
+func (p *TSimpleJSONProtocol) WriteStructBegin(ctx context.Context, name string) error {
 	if e := p.OutputObjectBegin(); e != nil {
 		return e
 	}
 	return nil
 }
 
-func (p *TSimpleJSONProtocol) WriteStructEnd() error {
+func (p *TSimpleJSONProtocol) WriteStructEnd(ctx context.Context) error {
 	return p.OutputObjectEnd()
 }
 
-func (p *TSimpleJSONProtocol) WriteFieldBegin(name string, typeId TType, id int16) error {
-	if e := p.WriteString(name); e != nil {
+func (p *TSimpleJSONProtocol) WriteFieldBegin(ctx context.Context, name string, typeId TType, id int16) error {
+	if e := p.WriteString(ctx, name); e != nil {
 		return e
 	}
 	return nil
 }
 
-func (p *TSimpleJSONProtocol) WriteFieldEnd() error {
-	//return p.OutputListEnd()
+func (p *TSimpleJSONProtocol) WriteFieldEnd(ctx context.Context) error {
 	return nil
 }
 
-func (p *TSimpleJSONProtocol) WriteFieldStop() error { return nil }
+func (p *TSimpleJSONProtocol) WriteFieldStop(ctx context.Context) error { return nil }
 
-func (p *TSimpleJSONProtocol) WriteMapBegin(keyType TType, valueType TType, size int) error {
+func (p *TSimpleJSONProtocol) WriteMapBegin(ctx context.Context, keyType TType, valueType TType, size int) error {
 	if e := p.OutputListBegin(); e != nil {
 		return e
 	}
-	if e := p.WriteByte(int8(keyType)); e != nil {
+	if e := p.WriteByte(ctx, int8(keyType)); e != nil {
 		return e
 	}
-	if e := p.WriteByte(int8(valueType)); e != nil {
+	if e := p.WriteByte(ctx, int8(valueType)); e != nil {
 		return e
 	}
-	return p.WriteI32(int32(size))
+	return p.WriteI32(ctx, int32(size))
 }
 
-func (p *TSimpleJSONProtocol) WriteMapEnd() error {
+func (p *TSimpleJSONProtocol) WriteMapEnd(ctx context.Context) error {
 	return p.OutputListEnd()
 }
 
-func (p *TSimpleJSONProtocol) WriteListBegin(elemType TType, size int) error {
+func (p *TSimpleJSONProtocol) WriteListBegin(ctx context.Context, elemType TType, size int) error {
 	return p.OutputElemListBegin(elemType, size)
 }
 
-func (p *TSimpleJSONProtocol) WriteListEnd() error {
+func (p *TSimpleJSONProtocol) WriteListEnd(ctx context.Context) error {
 	return p.OutputListEnd()
 }
 
-func (p *TSimpleJSONProtocol) WriteSetBegin(elemType TType, size int) error {
+func (p *TSimpleJSONProtocol) WriteSetBegin(ctx context.Context, elemType TType, size int) error {
 	return p.OutputElemListBegin(elemType, size)
 }
 
-func (p *TSimpleJSONProtocol) WriteSetEnd() error {
+func (p *TSimpleJSONProtocol) WriteSetEnd(ctx context.Context) error {
 	return p.OutputListEnd()
 }
 
-func (p *TSimpleJSONProtocol) WriteBool(b bool) error {
+func (p *TSimpleJSONProtocol) WriteBool(ctx context.Context, b bool) error {
 	return p.OutputBool(b)
 }
 
-func (p *TSimpleJSONProtocol) WriteByte(b int8) error {
-	return p.WriteI32(int32(b))
+func (p *TSimpleJSONProtocol) WriteByte(ctx context.Context, b int8) error {
+	return p.WriteI32(ctx, int32(b))
 }
 
-func (p *TSimpleJSONProtocol) WriteI16(v int16) error {
-	return p.WriteI32(int32(v))
+func (p *TSimpleJSONProtocol) WriteI16(ctx context.Context, v int16) error {
+	return p.WriteI32(ctx, int32(v))
 }
 
-func (p *TSimpleJSONProtocol) WriteI32(v int32) error {
+func (p *TSimpleJSONProtocol) WriteI32(ctx context.Context, v int32) error {
 	return p.OutputI64(int64(v))
 }
 
-func (p *TSimpleJSONProtocol) WriteI64(v int64) error {
+func (p *TSimpleJSONProtocol) WriteI64(ctx context.Context, v int64) error {
 	return p.OutputI64(int64(v))
 }
 
-func (p *TSimpleJSONProtocol) WriteDouble(v float64) error {
+func (p *TSimpleJSONProtocol) WriteDouble(ctx context.Context, v float64) error {
 	return p.OutputF64(v)
 }
 
-func (p *TSimpleJSONProtocol) WriteString(v string) error {
+func (p *TSimpleJSONProtocol) WriteString(ctx context.Context, v string) error {
 	return p.OutputString(v)
 }
 
-func (p *TSimpleJSONProtocol) WriteBinary(v []byte) error {
+func (p *TSimpleJSONProtocol) WriteBinary(ctx context.Context, v []byte) error {
 	// JSON library only takes in a string,
 	// not an arbitrary byte array, to ensure bytes are transmitted
 	// efficiently we must convert this into a valid JSON string
@@ -288,39 +316,39 @@
 }
 
 // Reading methods.
-func (p *TSimpleJSONProtocol) ReadMessageBegin() (name string, typeId TMessageType, seqId int32, err error) {
+func (p *TSimpleJSONProtocol) ReadMessageBegin(ctx context.Context) (name string, typeId TMessageType, seqId int32, err error) {
 	p.resetContextStack() // THRIFT-3735
 	if isNull, err := p.ParseListBegin(); isNull || err != nil {
 		return name, typeId, seqId, err
 	}
-	if name, err = p.ReadString(); err != nil {
+	if name, err = p.ReadString(ctx); err != nil {
 		return name, typeId, seqId, err
 	}
-	bTypeId, err := p.ReadByte()
+	bTypeId, err := p.ReadByte(ctx)
 	typeId = TMessageType(bTypeId)
 	if err != nil {
 		return name, typeId, seqId, err
 	}
-	if seqId, err = p.ReadI32(); err != nil {
+	if seqId, err = p.ReadI32(ctx); err != nil {
 		return name, typeId, seqId, err
 	}
 	return name, typeId, seqId, nil
 }
 
-func (p *TSimpleJSONProtocol) ReadMessageEnd() error {
+func (p *TSimpleJSONProtocol) ReadMessageEnd(ctx context.Context) error {
 	return p.ParseListEnd()
 }
 
-func (p *TSimpleJSONProtocol) ReadStructBegin() (name string, err error) {
+func (p *TSimpleJSONProtocol) ReadStructBegin(ctx context.Context) (name string, err error) {
 	_, err = p.ParseObjectStart()
 	return "", err
 }
 
-func (p *TSimpleJSONProtocol) ReadStructEnd() error {
+func (p *TSimpleJSONProtocol) ReadStructEnd(ctx context.Context) error {
 	return p.ParseObjectEnd()
 }
 
-func (p *TSimpleJSONProtocol) ReadFieldBegin() (string, TType, int16, error) {
+func (p *TSimpleJSONProtocol) ReadFieldBegin(ctx context.Context) (string, TType, int16, error) {
 	if err := p.ParsePreValue(); err != nil {
 		return "", STOP, 0, err
 	}
@@ -339,21 +367,6 @@
 				return name, STOP, 0, err
 			}
 			return name, STOP, -1, p.ParsePostValue()
-			/*
-			   if err = p.ParsePostValue(); err != nil {
-			     return name, STOP, 0, err
-			   }
-			   if isNull, err := p.ParseListBegin(); isNull || err != nil {
-			     return name, STOP, 0, err
-			   }
-			   bType, err := p.ReadByte()
-			   thetype := TType(bType)
-			   if err != nil {
-			     return name, thetype, 0, err
-			   }
-			   id, err := p.ReadI16()
-			   return name, thetype, id, err
-			*/
 		}
 		e := fmt.Errorf("Expected \"}\" or '\"', but found: '%s'", string(b))
 		return "", STOP, 0, NewTProtocolExceptionWithType(INVALID_DATA, e)
@@ -361,57 +374,56 @@
 	return "", STOP, 0, NewTProtocolException(io.EOF)
 }
 
-func (p *TSimpleJSONProtocol) ReadFieldEnd() error {
+func (p *TSimpleJSONProtocol) ReadFieldEnd(ctx context.Context) error {
 	return nil
-	//return p.ParseListEnd()
 }
 
-func (p *TSimpleJSONProtocol) ReadMapBegin() (keyType TType, valueType TType, size int, e error) {
+func (p *TSimpleJSONProtocol) ReadMapBegin(ctx context.Context) (keyType TType, valueType TType, size int, e error) {
 	if isNull, e := p.ParseListBegin(); isNull || e != nil {
 		return VOID, VOID, 0, e
 	}
 
 	// read keyType
-	bKeyType, e := p.ReadByte()
+	bKeyType, e := p.ReadByte(ctx)
 	keyType = TType(bKeyType)
 	if e != nil {
 		return keyType, valueType, size, e
 	}
 
 	// read valueType
-	bValueType, e := p.ReadByte()
+	bValueType, e := p.ReadByte(ctx)
 	valueType = TType(bValueType)
 	if e != nil {
 		return keyType, valueType, size, e
 	}
 
 	// read size
-	iSize, err := p.ReadI64()
+	iSize, err := p.ReadI64(ctx)
 	size = int(iSize)
 	return keyType, valueType, size, err
 }
 
-func (p *TSimpleJSONProtocol) ReadMapEnd() error {
+func (p *TSimpleJSONProtocol) ReadMapEnd(ctx context.Context) error {
 	return p.ParseListEnd()
 }
 
-func (p *TSimpleJSONProtocol) ReadListBegin() (elemType TType, size int, e error) {
+func (p *TSimpleJSONProtocol) ReadListBegin(ctx context.Context) (elemType TType, size int, e error) {
 	return p.ParseElemListBegin()
 }
 
-func (p *TSimpleJSONProtocol) ReadListEnd() error {
+func (p *TSimpleJSONProtocol) ReadListEnd(ctx context.Context) error {
 	return p.ParseListEnd()
 }
 
-func (p *TSimpleJSONProtocol) ReadSetBegin() (elemType TType, size int, e error) {
+func (p *TSimpleJSONProtocol) ReadSetBegin(ctx context.Context) (elemType TType, size int, e error) {
 	return p.ParseElemListBegin()
 }
 
-func (p *TSimpleJSONProtocol) ReadSetEnd() error {
+func (p *TSimpleJSONProtocol) ReadSetEnd(ctx context.Context) error {
 	return p.ParseListEnd()
 }
 
-func (p *TSimpleJSONProtocol) ReadBool() (bool, error) {
+func (p *TSimpleJSONProtocol) ReadBool(ctx context.Context) (bool, error) {
 	var value bool
 
 	if err := p.ParsePreValue(); err != nil {
@@ -466,32 +478,32 @@
 	return value, p.ParsePostValue()
 }
 
-func (p *TSimpleJSONProtocol) ReadByte() (int8, error) {
-	v, err := p.ReadI64()
+func (p *TSimpleJSONProtocol) ReadByte(ctx context.Context) (int8, error) {
+	v, err := p.ReadI64(ctx)
 	return int8(v), err
 }
 
-func (p *TSimpleJSONProtocol) ReadI16() (int16, error) {
-	v, err := p.ReadI64()
+func (p *TSimpleJSONProtocol) ReadI16(ctx context.Context) (int16, error) {
+	v, err := p.ReadI64(ctx)
 	return int16(v), err
 }
 
-func (p *TSimpleJSONProtocol) ReadI32() (int32, error) {
-	v, err := p.ReadI64()
+func (p *TSimpleJSONProtocol) ReadI32(ctx context.Context) (int32, error) {
+	v, err := p.ReadI64(ctx)
 	return int32(v), err
 }
 
-func (p *TSimpleJSONProtocol) ReadI64() (int64, error) {
+func (p *TSimpleJSONProtocol) ReadI64(ctx context.Context) (int64, error) {
 	v, _, err := p.ParseI64()
 	return v, err
 }
 
-func (p *TSimpleJSONProtocol) ReadDouble() (float64, error) {
+func (p *TSimpleJSONProtocol) ReadDouble(ctx context.Context) (float64, error) {
 	v, _, err := p.ParseF64()
 	return v, err
 }
 
-func (p *TSimpleJSONProtocol) ReadString() (string, error) {
+func (p *TSimpleJSONProtocol) ReadString(ctx context.Context) (string, error) {
 	var v string
 	if err := p.ParsePreValue(); err != nil {
 		return v, err
@@ -521,7 +533,7 @@
 	return v, p.ParsePostValue()
 }
 
-func (p *TSimpleJSONProtocol) ReadBinary() ([]byte, error) {
+func (p *TSimpleJSONProtocol) ReadBinary(ctx context.Context) ([]byte, error) {
 	var v []byte
 	if err := p.ParsePreValue(); err != nil {
 		return nil, err
@@ -552,12 +564,12 @@
 	return v, p.ParsePostValue()
 }
 
-func (p *TSimpleJSONProtocol) Flush() (err error) {
+func (p *TSimpleJSONProtocol) Flush(ctx context.Context) (err error) {
 	return NewTProtocolException(p.writer.Flush())
 }
 
-func (p *TSimpleJSONProtocol) Skip(fieldType TType) (err error) {
-	return SkipDefaultDepth(p, fieldType)
+func (p *TSimpleJSONProtocol) Skip(ctx context.Context, fieldType TType) (err error) {
+	return SkipDefaultDepth(ctx, p, fieldType)
 }
 
 func (p *TSimpleJSONProtocol) Transport() TTransport {
@@ -565,41 +577,41 @@
 }
 
 func (p *TSimpleJSONProtocol) OutputPreValue() error {
-	cxt := _ParseContext(p.dumpContext[len(p.dumpContext)-1])
+	cxt, ok := p.dumpContext.peek()
+	if !ok {
+		return errEmptyJSONContextStack
+	}
 	switch cxt {
 	case _CONTEXT_IN_LIST, _CONTEXT_IN_OBJECT_NEXT_KEY:
 		if _, e := p.write(JSON_COMMA); e != nil {
 			return NewTProtocolException(e)
 		}
-		break
 	case _CONTEXT_IN_OBJECT_NEXT_VALUE:
 		if _, e := p.write(JSON_COLON); e != nil {
 			return NewTProtocolException(e)
 		}
-		break
 	}
 	return nil
 }
 
 func (p *TSimpleJSONProtocol) OutputPostValue() error {
-	cxt := _ParseContext(p.dumpContext[len(p.dumpContext)-1])
+	cxt, ok := p.dumpContext.peek()
+	if !ok {
+		return errEmptyJSONContextStack
+	}
 	switch cxt {
 	case _CONTEXT_IN_LIST_FIRST:
-		p.dumpContext = p.dumpContext[:len(p.dumpContext)-1]
-		p.dumpContext = append(p.dumpContext, int(_CONTEXT_IN_LIST))
-		break
+		p.dumpContext.pop()
+		p.dumpContext.push(_CONTEXT_IN_LIST)
 	case _CONTEXT_IN_OBJECT_FIRST:
-		p.dumpContext = p.dumpContext[:len(p.dumpContext)-1]
-		p.dumpContext = append(p.dumpContext, int(_CONTEXT_IN_OBJECT_NEXT_VALUE))
-		break
+		p.dumpContext.pop()
+		p.dumpContext.push(_CONTEXT_IN_OBJECT_NEXT_VALUE)
 	case _CONTEXT_IN_OBJECT_NEXT_KEY:
-		p.dumpContext = p.dumpContext[:len(p.dumpContext)-1]
-		p.dumpContext = append(p.dumpContext, int(_CONTEXT_IN_OBJECT_NEXT_VALUE))
-		break
+		p.dumpContext.pop()
+		p.dumpContext.push(_CONTEXT_IN_OBJECT_NEXT_VALUE)
 	case _CONTEXT_IN_OBJECT_NEXT_VALUE:
-		p.dumpContext = p.dumpContext[:len(p.dumpContext)-1]
-		p.dumpContext = append(p.dumpContext, int(_CONTEXT_IN_OBJECT_NEXT_KEY))
-		break
+		p.dumpContext.pop()
+		p.dumpContext.push(_CONTEXT_IN_OBJECT_NEXT_KEY)
 	}
 	return nil
 }
@@ -614,10 +626,13 @@
 	} else {
 		v = string(JSON_FALSE)
 	}
-	switch _ParseContext(p.dumpContext[len(p.dumpContext)-1]) {
+	cxt, ok := p.dumpContext.peek()
+	if !ok {
+		return errEmptyJSONContextStack
+	}
+	switch cxt {
 	case _CONTEXT_IN_OBJECT_FIRST, _CONTEXT_IN_OBJECT_NEXT_KEY:
 		v = jsonQuote(v)
-	default:
 	}
 	if e := p.OutputStringData(v); e != nil {
 		return e
@@ -647,11 +662,14 @@
 	} else if math.IsInf(value, -1) {
 		v = string(JSON_QUOTE) + JSON_NEGATIVE_INFINITY + string(JSON_QUOTE)
 	} else {
+		cxt, ok := p.dumpContext.peek()
+		if !ok {
+			return errEmptyJSONContextStack
+		}
 		v = strconv.FormatFloat(value, 'g', -1, 64)
-		switch _ParseContext(p.dumpContext[len(p.dumpContext)-1]) {
+		switch cxt {
 		case _CONTEXT_IN_OBJECT_FIRST, _CONTEXT_IN_OBJECT_NEXT_KEY:
 			v = string(JSON_QUOTE) + v + string(JSON_QUOTE)
-		default:
 		}
 	}
 	if e := p.OutputStringData(v); e != nil {
@@ -664,11 +682,14 @@
 	if e := p.OutputPreValue(); e != nil {
 		return e
 	}
+	cxt, ok := p.dumpContext.peek()
+	if !ok {
+		return errEmptyJSONContextStack
+	}
 	v := strconv.FormatInt(value, 10)
-	switch _ParseContext(p.dumpContext[len(p.dumpContext)-1]) {
+	switch cxt {
 	case _CONTEXT_IN_OBJECT_FIRST, _CONTEXT_IN_OBJECT_NEXT_KEY:
 		v = jsonQuote(v)
-	default:
 	}
 	if e := p.OutputStringData(v); e != nil {
 		return e
@@ -698,7 +719,7 @@
 	if _, e := p.write(JSON_LBRACE); e != nil {
 		return NewTProtocolException(e)
 	}
-	p.dumpContext = append(p.dumpContext, int(_CONTEXT_IN_OBJECT_FIRST))
+	p.dumpContext.push(_CONTEXT_IN_OBJECT_FIRST)
 	return nil
 }
 
@@ -706,7 +727,10 @@
 	if _, e := p.write(JSON_RBRACE); e != nil {
 		return NewTProtocolException(e)
 	}
-	p.dumpContext = p.dumpContext[:len(p.dumpContext)-1]
+	_, ok := p.dumpContext.pop()
+	if !ok {
+		return errEmptyJSONContextStack
+	}
 	if e := p.OutputPostValue(); e != nil {
 		return e
 	}
@@ -720,7 +744,7 @@
 	if _, e := p.write(JSON_LBRACKET); e != nil {
 		return NewTProtocolException(e)
 	}
-	p.dumpContext = append(p.dumpContext, int(_CONTEXT_IN_LIST_FIRST))
+	p.dumpContext.push(_CONTEXT_IN_LIST_FIRST)
 	return nil
 }
 
@@ -728,7 +752,10 @@
 	if _, e := p.write(JSON_RBRACKET); e != nil {
 		return NewTProtocolException(e)
 	}
-	p.dumpContext = p.dumpContext[:len(p.dumpContext)-1]
+	_, ok := p.dumpContext.pop()
+	if !ok {
+		return errEmptyJSONContextStack
+	}
 	if e := p.OutputPostValue(); e != nil {
 		return e
 	}
@@ -739,10 +766,10 @@
 	if e := p.OutputListBegin(); e != nil {
 		return e
 	}
-	if e := p.WriteByte(int8(elemType)); e != nil {
+	if e := p.OutputI64(int64(elemType)); e != nil {
 		return e
 	}
-	if e := p.WriteI64(int64(size)); e != nil {
+	if e := p.OutputI64(int64(size)); e != nil {
 		return e
 	}
 	return nil
@@ -752,7 +779,10 @@
 	if e := p.readNonSignificantWhitespace(); e != nil {
 		return NewTProtocolException(e)
 	}
-	cxt := _ParseContext(p.parseContextStack[len(p.parseContextStack)-1])
+	cxt, ok := p.parseContextStack.peek()
+	if !ok {
+		return errEmptyJSONContextStack
+	}
 	b, _ := p.reader.Peek(1)
 	switch cxt {
 	case _CONTEXT_IN_LIST:
@@ -771,7 +801,6 @@
 				return NewTProtocolExceptionWithType(INVALID_DATA, e)
 			}
 		}
-		break
 	case _CONTEXT_IN_OBJECT_NEXT_KEY:
 		if len(b) > 0 {
 			switch b[0] {
@@ -788,7 +817,6 @@
 				return NewTProtocolExceptionWithType(INVALID_DATA, e)
 			}
 		}
-		break
 	case _CONTEXT_IN_OBJECT_NEXT_VALUE:
 		if len(b) > 0 {
 			switch b[0] {
@@ -803,7 +831,6 @@
 				return NewTProtocolExceptionWithType(INVALID_DATA, e)
 			}
 		}
-		break
 	}
 	return nil
 }
@@ -812,20 +839,20 @@
 	if e := p.readNonSignificantWhitespace(); e != nil {
 		return NewTProtocolException(e)
 	}
-	cxt := _ParseContext(p.parseContextStack[len(p.parseContextStack)-1])
+	cxt, ok := p.parseContextStack.peek()
+	if !ok {
+		return errEmptyJSONContextStack
+	}
 	switch cxt {
 	case _CONTEXT_IN_LIST_FIRST:
-		p.parseContextStack = p.parseContextStack[:len(p.parseContextStack)-1]
-		p.parseContextStack = append(p.parseContextStack, int(_CONTEXT_IN_LIST))
-		break
+		p.parseContextStack.pop()
+		p.parseContextStack.push(_CONTEXT_IN_LIST)
 	case _CONTEXT_IN_OBJECT_FIRST, _CONTEXT_IN_OBJECT_NEXT_KEY:
-		p.parseContextStack = p.parseContextStack[:len(p.parseContextStack)-1]
-		p.parseContextStack = append(p.parseContextStack, int(_CONTEXT_IN_OBJECT_NEXT_VALUE))
-		break
+		p.parseContextStack.pop()
+		p.parseContextStack.push(_CONTEXT_IN_OBJECT_NEXT_VALUE)
 	case _CONTEXT_IN_OBJECT_NEXT_VALUE:
-		p.parseContextStack = p.parseContextStack[:len(p.parseContextStack)-1]
-		p.parseContextStack = append(p.parseContextStack, int(_CONTEXT_IN_OBJECT_NEXT_KEY))
-		break
+		p.parseContextStack.pop()
+		p.parseContextStack.push(_CONTEXT_IN_OBJECT_NEXT_KEY)
 	}
 	return nil
 }
@@ -978,7 +1005,7 @@
 	}
 	if len(b) > 0 && b[0] == JSON_LBRACE[0] {
 		p.reader.ReadByte()
-		p.parseContextStack = append(p.parseContextStack, int(_CONTEXT_IN_OBJECT_FIRST))
+		p.parseContextStack.push(_CONTEXT_IN_OBJECT_FIRST)
 		return false, nil
 	} else if p.safePeekContains(JSON_NULL) {
 		return true, nil
@@ -991,7 +1018,7 @@
 	if isNull, err := p.readIfNull(); isNull || err != nil {
 		return err
 	}
-	cxt := _ParseContext(p.parseContextStack[len(p.parseContextStack)-1])
+	cxt, _ := p.parseContextStack.peek()
 	if (cxt != _CONTEXT_IN_OBJECT_FIRST) && (cxt != _CONTEXT_IN_OBJECT_NEXT_KEY) {
 		e := fmt.Errorf("Expected to be in the Object Context, but not in Object Context (%d)", cxt)
 		return NewTProtocolExceptionWithType(INVALID_DATA, e)
@@ -1009,7 +1036,7 @@
 			break
 		}
 	}
-	p.parseContextStack = p.parseContextStack[:len(p.parseContextStack)-1]
+	p.parseContextStack.pop()
 	return p.ParsePostValue()
 }
 
@@ -1023,7 +1050,7 @@
 		return false, err
 	}
 	if len(b) >= 1 && b[0] == JSON_LBRACKET[0] {
-		p.parseContextStack = append(p.parseContextStack, int(_CONTEXT_IN_LIST_FIRST))
+		p.parseContextStack.push(_CONTEXT_IN_LIST_FIRST)
 		p.reader.ReadByte()
 		isNull = false
 	} else if p.safePeekContains(JSON_NULL) {
@@ -1038,12 +1065,12 @@
 	if isNull, e := p.ParseListBegin(); isNull || e != nil {
 		return VOID, 0, e
 	}
-	bElemType, err := p.ReadByte()
+	bElemType, _, err := p.ParseI64()
 	elemType = TType(bElemType)
 	if err != nil {
 		return elemType, size, err
 	}
-	nSize, err2 := p.ReadI64()
+	nSize, _, err2 := p.ParseI64()
 	size = int(nSize)
 	return elemType, size, err2
 }
@@ -1052,7 +1079,7 @@
 	if isNull, err := p.readIfNull(); isNull || err != nil {
 		return err
 	}
-	cxt := _ParseContext(p.parseContextStack[len(p.parseContextStack)-1])
+	cxt, _ := p.parseContextStack.peek()
 	if cxt != _CONTEXT_IN_LIST {
 		e := fmt.Errorf("Expected to be in the List Context, but not in List Context (%d)", cxt)
 		return NewTProtocolExceptionWithType(INVALID_DATA, e)
@@ -1064,14 +1091,16 @@
 	for _, char := range line {
 		switch char {
 		default:
-			e := fmt.Errorf("Expecting end of list \"]\", but found: \"%s\"", line)
+			e := fmt.Errorf("Expecting end of list \"]\", but found: \"%v\"", line)
 			return NewTProtocolExceptionWithType(INVALID_DATA, e)
 		case ' ', '\n', '\r', '\t', rune(JSON_RBRACKET[0]):
 			break
 		}
 	}
-	p.parseContextStack = p.parseContextStack[:len(p.parseContextStack)-1]
-	if _ParseContext(p.parseContextStack[len(p.parseContextStack)-1]) == _CONTEXT_IN_TOPLEVEL {
+	p.parseContextStack.pop()
+	if cxt, ok := p.parseContextStack.peek(); !ok {
+		return errEmptyJSONContextStack
+	} else if cxt == _CONTEXT_IN_TOPLEVEL {
 		return nil
 	}
 	return p.ParsePostValue()
@@ -1315,7 +1344,7 @@
 func (p *TSimpleJSONProtocol) safePeekContains(b []byte) bool {
 	for i := 0; i < len(b); i++ {
 		a, _ := p.reader.Peek(i + 1)
-		if len(a) == 0 || a[i] != b[i] {
+		if len(a) < (i+1) || a[i] != b[i] {
 			return false
 		}
 	}
@@ -1324,8 +1353,8 @@
 
 // Reset the context stack to its initial state.
 func (p *TSimpleJSONProtocol) resetContextStack() {
-	p.parseContextStack = []int{int(_CONTEXT_IN_TOPLEVEL)}
-	p.dumpContext = []int{int(_CONTEXT_IN_TOPLEVEL)}
+	p.parseContextStack = jsonContextStack{_CONTEXT_IN_TOPLEVEL}
+	p.dumpContext = jsonContextStack{_CONTEXT_IN_TOPLEVEL}
 }
 
 func (p *TSimpleJSONProtocol) write(b []byte) (int, error) {
@@ -1335,3 +1364,10 @@
 	}
 	return n, err
 }
+
+// SetTConfiguration implements TConfigurationSetter for propagation.
+func (p *TSimpleJSONProtocol) SetTConfiguration(conf *TConfiguration) {
+	PropagateTConfiguration(p.trans, conf)
+}
+
+var _ TConfigurationSetter = (*TSimpleJSONProtocol)(nil)
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/simple_server.go b/vendor/github.com/uber/jaeger-client-go/thrift/simple_server.go
new file mode 100644
index 0000000..563cbfc
--- /dev/null
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/simple_server.go
@@ -0,0 +1,332 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package thrift
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"sync"
+	"sync/atomic"
+	"time"
+)
+
+// ErrAbandonRequest is a special error server handler implementations can
+// return to indicate that the request has been abandoned.
+//
+// TSimpleServer will check for this error, and close the client connection
+// instead of writing the response/error back to the client.
+//
+// It shall only be used when the server handler implementation know that the
+// client already abandoned the request (by checking that the passed in context
+// is already canceled, for example).
+var ErrAbandonRequest = errors.New("request abandoned")
+
+// ServerConnectivityCheckInterval defines the ticker interval used by
+// connectivity check in thrift compiled TProcessorFunc implementations.
+//
+// It's defined as a variable instead of constant, so that thrift server
+// implementations can change its value to control the behavior.
+//
+// If it's changed to <=0, the feature will be disabled.
+var ServerConnectivityCheckInterval = time.Millisecond * 5
+
+/*
+ * This is not a typical TSimpleServer as it is not blocked after accept a socket.
+ * It is more like a TThreadedServer that can handle different connections in different goroutines.
+ * This will work if golang user implements a conn-pool like thing in client side.
+ */
+type TSimpleServer struct {
+	closed int32
+	wg     sync.WaitGroup
+	mu     sync.Mutex
+
+	processorFactory       TProcessorFactory
+	serverTransport        TServerTransport
+	inputTransportFactory  TTransportFactory
+	outputTransportFactory TTransportFactory
+	inputProtocolFactory   TProtocolFactory
+	outputProtocolFactory  TProtocolFactory
+
+	// Headers to auto forward in THeaderProtocol
+	forwardHeaders []string
+
+	logger Logger
+}
+
+func NewTSimpleServer2(processor TProcessor, serverTransport TServerTransport) *TSimpleServer {
+	return NewTSimpleServerFactory2(NewTProcessorFactory(processor), serverTransport)
+}
+
+func NewTSimpleServer4(processor TProcessor, serverTransport TServerTransport, transportFactory TTransportFactory, protocolFactory TProtocolFactory) *TSimpleServer {
+	return NewTSimpleServerFactory4(NewTProcessorFactory(processor),
+		serverTransport,
+		transportFactory,
+		protocolFactory,
+	)
+}
+
+func NewTSimpleServer6(processor TProcessor, serverTransport TServerTransport, inputTransportFactory TTransportFactory, outputTransportFactory TTransportFactory, inputProtocolFactory TProtocolFactory, outputProtocolFactory TProtocolFactory) *TSimpleServer {
+	return NewTSimpleServerFactory6(NewTProcessorFactory(processor),
+		serverTransport,
+		inputTransportFactory,
+		outputTransportFactory,
+		inputProtocolFactory,
+		outputProtocolFactory,
+	)
+}
+
+func NewTSimpleServerFactory2(processorFactory TProcessorFactory, serverTransport TServerTransport) *TSimpleServer {
+	return NewTSimpleServerFactory6(processorFactory,
+		serverTransport,
+		NewTTransportFactory(),
+		NewTTransportFactory(),
+		NewTBinaryProtocolFactoryDefault(),
+		NewTBinaryProtocolFactoryDefault(),
+	)
+}
+
+func NewTSimpleServerFactory4(processorFactory TProcessorFactory, serverTransport TServerTransport, transportFactory TTransportFactory, protocolFactory TProtocolFactory) *TSimpleServer {
+	return NewTSimpleServerFactory6(processorFactory,
+		serverTransport,
+		transportFactory,
+		transportFactory,
+		protocolFactory,
+		protocolFactory,
+	)
+}
+
+func NewTSimpleServerFactory6(processorFactory TProcessorFactory, serverTransport TServerTransport, inputTransportFactory TTransportFactory, outputTransportFactory TTransportFactory, inputProtocolFactory TProtocolFactory, outputProtocolFactory TProtocolFactory) *TSimpleServer {
+	return &TSimpleServer{
+		processorFactory:       processorFactory,
+		serverTransport:        serverTransport,
+		inputTransportFactory:  inputTransportFactory,
+		outputTransportFactory: outputTransportFactory,
+		inputProtocolFactory:   inputProtocolFactory,
+		outputProtocolFactory:  outputProtocolFactory,
+	}
+}
+
+func (p *TSimpleServer) ProcessorFactory() TProcessorFactory {
+	return p.processorFactory
+}
+
+func (p *TSimpleServer) ServerTransport() TServerTransport {
+	return p.serverTransport
+}
+
+func (p *TSimpleServer) InputTransportFactory() TTransportFactory {
+	return p.inputTransportFactory
+}
+
+func (p *TSimpleServer) OutputTransportFactory() TTransportFactory {
+	return p.outputTransportFactory
+}
+
+func (p *TSimpleServer) InputProtocolFactory() TProtocolFactory {
+	return p.inputProtocolFactory
+}
+
+func (p *TSimpleServer) OutputProtocolFactory() TProtocolFactory {
+	return p.outputProtocolFactory
+}
+
+func (p *TSimpleServer) Listen() error {
+	return p.serverTransport.Listen()
+}
+
+// SetForwardHeaders sets the list of header keys that will be auto forwarded
+// while using THeaderProtocol.
+//
+// "forward" means that when the server is also a client to other upstream
+// thrift servers, the context object user gets in the processor functions will
+// have both read and write headers set, with write headers being forwarded.
+// Users can always override the write headers by calling SetWriteHeaderList
+// before calling thrift client functions.
+func (p *TSimpleServer) SetForwardHeaders(headers []string) {
+	size := len(headers)
+	if size == 0 {
+		p.forwardHeaders = nil
+		return
+	}
+
+	keys := make([]string, size)
+	copy(keys, headers)
+	p.forwardHeaders = keys
+}
+
+// SetLogger sets the logger used by this TSimpleServer.
+//
+// If no logger was set before Serve is called, a default logger using standard
+// log library will be used.
+func (p *TSimpleServer) SetLogger(logger Logger) {
+	p.logger = logger
+}
+
+func (p *TSimpleServer) innerAccept() (int32, error) {
+	client, err := p.serverTransport.Accept()
+	p.mu.Lock()
+	defer p.mu.Unlock()
+	closed := atomic.LoadInt32(&p.closed)
+	if closed != 0 {
+		return closed, nil
+	}
+	if err != nil {
+		return 0, err
+	}
+	if client != nil {
+		p.wg.Add(1)
+		go func() {
+			defer p.wg.Done()
+			if err := p.processRequests(client); err != nil {
+				p.logger(fmt.Sprintf("error processing request: %v", err))
+			}
+		}()
+	}
+	return 0, nil
+}
+
+func (p *TSimpleServer) AcceptLoop() error {
+	for {
+		closed, err := p.innerAccept()
+		if err != nil {
+			return err
+		}
+		if closed != 0 {
+			return nil
+		}
+	}
+}
+
+func (p *TSimpleServer) Serve() error {
+	p.logger = fallbackLogger(p.logger)
+
+	err := p.Listen()
+	if err != nil {
+		return err
+	}
+	p.AcceptLoop()
+	return nil
+}
+
+func (p *TSimpleServer) Stop() error {
+	p.mu.Lock()
+	defer p.mu.Unlock()
+	if atomic.LoadInt32(&p.closed) != 0 {
+		return nil
+	}
+	atomic.StoreInt32(&p.closed, 1)
+	p.serverTransport.Interrupt()
+	p.wg.Wait()
+	return nil
+}
+
+// If err is actually EOF, return nil, otherwise return err as-is.
+func treatEOFErrorsAsNil(err error) error {
+	if err == nil {
+		return nil
+	}
+	if errors.Is(err, io.EOF) {
+		return nil
+	}
+	var te TTransportException
+	if errors.As(err, &te) && te.TypeId() == END_OF_FILE {
+		return nil
+	}
+	return err
+}
+
+func (p *TSimpleServer) processRequests(client TTransport) (err error) {
+	defer func() {
+		err = treatEOFErrorsAsNil(err)
+	}()
+
+	processor := p.processorFactory.GetProcessor(client)
+	inputTransport, err := p.inputTransportFactory.GetTransport(client)
+	if err != nil {
+		return err
+	}
+	inputProtocol := p.inputProtocolFactory.GetProtocol(inputTransport)
+	var outputTransport TTransport
+	var outputProtocol TProtocol
+
+	// for THeaderProtocol, we must use the same protocol instance for
+	// input and output so that the response is in the same dialect that
+	// the server detected the request was in.
+	headerProtocol, ok := inputProtocol.(*THeaderProtocol)
+	if ok {
+		outputProtocol = inputProtocol
+	} else {
+		oTrans, err := p.outputTransportFactory.GetTransport(client)
+		if err != nil {
+			return err
+		}
+		outputTransport = oTrans
+		outputProtocol = p.outputProtocolFactory.GetProtocol(outputTransport)
+	}
+
+	if inputTransport != nil {
+		defer inputTransport.Close()
+	}
+	if outputTransport != nil {
+		defer outputTransport.Close()
+	}
+	for {
+		if atomic.LoadInt32(&p.closed) != 0 {
+			return nil
+		}
+
+		ctx := SetResponseHelper(
+			defaultCtx,
+			TResponseHelper{
+				THeaderResponseHelper: NewTHeaderResponseHelper(outputProtocol),
+			},
+		)
+		if headerProtocol != nil {
+			// We need to call ReadFrame here, otherwise we won't
+			// get any headers on the AddReadTHeaderToContext call.
+			//
+			// ReadFrame is safe to be called multiple times so it
+			// won't break when it's called again later when we
+			// actually start to read the message.
+			if err := headerProtocol.ReadFrame(ctx); err != nil {
+				return err
+			}
+			ctx = AddReadTHeaderToContext(ctx, headerProtocol.GetReadHeaders())
+			ctx = SetWriteHeaderList(ctx, p.forwardHeaders)
+		}
+
+		ok, err := processor.Process(ctx, inputProtocol, outputProtocol)
+		if errors.Is(err, ErrAbandonRequest) {
+			return client.Close()
+		}
+		if errors.As(err, new(TTransportException)) && err != nil {
+			return err
+		}
+		var tae TApplicationException
+		if errors.As(err, &tae) && tae.TypeId() == UNKNOWN_METHOD {
+			continue
+		}
+		if !ok {
+			break
+		}
+	}
+	return nil
+}
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/transport.go b/vendor/github.com/uber/jaeger-client-go/thrift/transport.go
index 4538996..ba2738a 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/transport.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/transport.go
@@ -20,6 +20,7 @@
 package thrift
 
 import (
+	"context"
 	"errors"
 	"io"
 )
@@ -30,15 +31,18 @@
 	Flush() (err error)
 }
 
+type ContextFlusher interface {
+	Flush(ctx context.Context) (err error)
+}
+
 type ReadSizeProvider interface {
 	RemainingBytes() (num_bytes uint64)
 }
 
-
 // Encapsulates the I/O layer
 type TTransport interface {
 	io.ReadWriteCloser
-	Flusher
+	ContextFlusher
 	ReadSizeProvider
 
 	// Opens the transport for communication
@@ -52,7 +56,6 @@
 	WriteString(s string) (n int, err error)
 }
 
-
 // This is "enchanced" transport with extra capabilities. You need to use one of these
 // to construct protocol.
 // Notably, TSocket does not implement this interface, and it is always a mistake to use
@@ -62,7 +65,6 @@
 	io.ByteReader
 	io.ByteWriter
 	stringWriter
-	Flusher
+	ContextFlusher
 	ReadSizeProvider
 }
-
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/transport_exception.go b/vendor/github.com/uber/jaeger-client-go/thrift/transport_exception.go
index 9505b44..0a3f076 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/transport_exception.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/transport_exception.go
@@ -46,6 +46,13 @@
 type tTransportException struct {
 	typeId int
 	err    error
+	msg    string
+}
+
+var _ TTransportException = (*tTransportException)(nil)
+
+func (tTransportException) TExceptionType() TExceptionType {
+	return TExceptionTypeTransport
 }
 
 func (p *tTransportException) TypeId() int {
@@ -53,15 +60,27 @@
 }
 
 func (p *tTransportException) Error() string {
-	return p.err.Error()
+	return p.msg
 }
 
 func (p *tTransportException) Err() error {
 	return p.err
 }
 
+func (p *tTransportException) Unwrap() error {
+	return p.err
+}
+
+func (p *tTransportException) Timeout() bool {
+	return p.typeId == TIMED_OUT
+}
+
 func NewTTransportException(t int, e string) TTransportException {
-	return &tTransportException{typeId: t, err: errors.New(e)}
+	return &tTransportException{
+		typeId: t,
+		err:    errors.New(e),
+		msg:    e,
+	}
 }
 
 func NewTTransportExceptionFromError(e error) TTransportException {
@@ -73,18 +92,40 @@
 		return t
 	}
 
-	switch v := e.(type) {
-	case TTransportException:
-		return v
-	case timeoutable:
-		if v.Timeout() {
-			return &tTransportException{typeId: TIMED_OUT, err: e}
-		}
+	te := &tTransportException{
+		typeId: UNKNOWN_TRANSPORT_EXCEPTION,
+		err:    e,
+		msg:    e.Error(),
 	}
 
-	if e == io.EOF {
-		return &tTransportException{typeId: END_OF_FILE, err: e}
+	if isTimeoutError(e) {
+		te.typeId = TIMED_OUT
+		return te
 	}
 
-	return &tTransportException{typeId: UNKNOWN_TRANSPORT_EXCEPTION, err: e}
+	if errors.Is(e, io.EOF) {
+		te.typeId = END_OF_FILE
+		return te
+	}
+
+	return te
+}
+
+func prependTTransportException(prepend string, e TTransportException) TTransportException {
+	return &tTransportException{
+		typeId: e.TypeId(),
+		err:    e,
+		msg:    prepend + e.Error(),
+	}
+}
+
+// isTimeoutError returns true when err is an error caused by timeout.
+//
+// Note that this also includes TTransportException wrapped timeout errors.
+func isTimeoutError(err error) bool {
+	var t timeoutable
+	if errors.As(err, &t) {
+		return t.Timeout()
+	}
+	return false
 }
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/transport_factory.go b/vendor/github.com/uber/jaeger-client-go/thrift/transport_factory.go
index 533d1b4..c805807 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/transport_factory.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/transport_factory.go
@@ -24,14 +24,14 @@
 // a ServerTransport and then may want to mutate them (i.e. create
 // a BufferedTransport from the underlying base transport)
 type TTransportFactory interface {
-	GetTransport(trans TTransport) TTransport
+	GetTransport(trans TTransport) (TTransport, error)
 }
 
 type tTransportFactory struct{}
 
 // Return a wrapped instance of the base Transport.
-func (p *tTransportFactory) GetTransport(trans TTransport) TTransport {
-	return trans
+func (p *tTransportFactory) GetTransport(trans TTransport) (TTransport, error) {
+	return trans, nil
 }
 
 func NewTTransportFactory() TTransportFactory {