[VOL-4291] OfAgent changes for gRPC migration

Change-Id: I8da1db6df49d478ef24ec8f9bd719e9692f48a7f
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift-gen/baggage/baggage.go b/vendor/github.com/uber/jaeger-client-go/thrift-gen/baggage/baggage.go
new file mode 100644
index 0000000..e4d89d5
--- /dev/null
+++ b/vendor/github.com/uber/jaeger-client-go/thrift-gen/baggage/baggage.go
@@ -0,0 +1,565 @@
+// Code generated by Thrift Compiler (0.14.1). DO NOT EDIT.
+
+package baggage
+
+import(
+	"bytes"
+	"context"
+	"fmt"
+	"time"
+	"github.com/uber/jaeger-client-go/thrift"
+)
+
+// (needed to ensure safety because of naive import list construction.)
+var _ = thrift.ZERO
+var _ = fmt.Printf
+var _ = context.Background
+var _ = time.Now
+var _ = bytes.Equal
+
+// Attributes:
+//  - BaggageKey
+//  - MaxValueLength
+type BaggageRestriction struct {
+  BaggageKey string `thrift:"baggageKey,1,required" db:"baggageKey" json:"baggageKey"`
+  MaxValueLength int32 `thrift:"maxValueLength,2,required" db:"maxValueLength" json:"maxValueLength"`
+}
+
+func NewBaggageRestriction() *BaggageRestriction {
+  return &BaggageRestriction{}
+}
+
+
+func (p *BaggageRestriction) GetBaggageKey() string {
+  return p.BaggageKey
+}
+
+func (p *BaggageRestriction) GetMaxValueLength() int32 {
+  return p.MaxValueLength
+}
+func (p *BaggageRestriction) Read(ctx context.Context, iprot thrift.TProtocol) error {
+  if _, err := iprot.ReadStructBegin(ctx); err != nil {
+    return thrift.PrependError(fmt.Sprintf("%T read error: ", p), err)
+  }
+
+  var issetBaggageKey bool = false;
+  var issetMaxValueLength bool = false;
+
+  for {
+    _, fieldTypeId, fieldId, err := iprot.ReadFieldBegin(ctx)
+    if err != nil {
+      return thrift.PrependError(fmt.Sprintf("%T field %d read error: ", p, fieldId), err)
+    }
+    if fieldTypeId == thrift.STOP { break; }
+    switch fieldId {
+    case 1:
+      if fieldTypeId == thrift.STRING {
+        if err := p.ReadField1(ctx, iprot); err != nil {
+          return err
+        }
+        issetBaggageKey = true
+      } else {
+        if err := iprot.Skip(ctx, fieldTypeId); err != nil {
+          return err
+        }
+      }
+    case 2:
+      if fieldTypeId == thrift.I32 {
+        if err := p.ReadField2(ctx, iprot); err != nil {
+          return err
+        }
+        issetMaxValueLength = true
+      } else {
+        if err := iprot.Skip(ctx, fieldTypeId); err != nil {
+          return err
+        }
+      }
+    default:
+      if err := iprot.Skip(ctx, fieldTypeId); err != nil {
+        return err
+      }
+    }
+    if err := iprot.ReadFieldEnd(ctx); err != nil {
+      return err
+    }
+  }
+  if err := iprot.ReadStructEnd(ctx); err != nil {
+    return thrift.PrependError(fmt.Sprintf("%T read struct end error: ", p), err)
+  }
+  if !issetBaggageKey{
+    return thrift.NewTProtocolExceptionWithType(thrift.INVALID_DATA, fmt.Errorf("Required field BaggageKey is not set"));
+  }
+  if !issetMaxValueLength{
+    return thrift.NewTProtocolExceptionWithType(thrift.INVALID_DATA, fmt.Errorf("Required field MaxValueLength is not set"));
+  }
+  return nil
+}
+
+func (p *BaggageRestriction)  ReadField1(ctx context.Context, iprot thrift.TProtocol) error {
+  if v, err := iprot.ReadString(ctx); err != nil {
+  return thrift.PrependError("error reading field 1: ", err)
+} else {
+  p.BaggageKey = v
+}
+  return nil
+}
+
+func (p *BaggageRestriction)  ReadField2(ctx context.Context, iprot thrift.TProtocol) error {
+  if v, err := iprot.ReadI32(ctx); err != nil {
+  return thrift.PrependError("error reading field 2: ", err)
+} else {
+  p.MaxValueLength = v
+}
+  return nil
+}
+
+func (p *BaggageRestriction) Write(ctx context.Context, oprot thrift.TProtocol) error {
+  if err := oprot.WriteStructBegin(ctx, "BaggageRestriction"); err != nil {
+    return thrift.PrependError(fmt.Sprintf("%T write struct begin error: ", p), err) }
+  if p != nil {
+    if err := p.writeField1(ctx, oprot); err != nil { return err }
+    if err := p.writeField2(ctx, oprot); err != nil { return err }
+  }
+  if err := oprot.WriteFieldStop(ctx); err != nil {
+    return thrift.PrependError("write field stop error: ", err) }
+  if err := oprot.WriteStructEnd(ctx); err != nil {
+    return thrift.PrependError("write struct stop error: ", err) }
+  return nil
+}
+
+func (p *BaggageRestriction) writeField1(ctx context.Context, oprot thrift.TProtocol) (err error) {
+  if err := oprot.WriteFieldBegin(ctx, "baggageKey", thrift.STRING, 1); err != nil {
+    return thrift.PrependError(fmt.Sprintf("%T write field begin error 1:baggageKey: ", p), err) }
+  if err := oprot.WriteString(ctx, string(p.BaggageKey)); err != nil {
+  return thrift.PrependError(fmt.Sprintf("%T.baggageKey (1) field write error: ", p), err) }
+  if err := oprot.WriteFieldEnd(ctx); err != nil {
+    return thrift.PrependError(fmt.Sprintf("%T write field end error 1:baggageKey: ", p), err) }
+  return err
+}
+
+func (p *BaggageRestriction) writeField2(ctx context.Context, oprot thrift.TProtocol) (err error) {
+  if err := oprot.WriteFieldBegin(ctx, "maxValueLength", thrift.I32, 2); err != nil {
+    return thrift.PrependError(fmt.Sprintf("%T write field begin error 2:maxValueLength: ", p), err) }
+  if err := oprot.WriteI32(ctx, int32(p.MaxValueLength)); err != nil {
+  return thrift.PrependError(fmt.Sprintf("%T.maxValueLength (2) field write error: ", p), err) }
+  if err := oprot.WriteFieldEnd(ctx); err != nil {
+    return thrift.PrependError(fmt.Sprintf("%T write field end error 2:maxValueLength: ", p), err) }
+  return err
+}
+
+func (p *BaggageRestriction) Equals(other *BaggageRestriction) bool {
+  if p == other {
+    return true
+  } else if p == nil || other == nil {
+    return false
+  }
+  if p.BaggageKey != other.BaggageKey { return false }
+  if p.MaxValueLength != other.MaxValueLength { return false }
+  return true
+}
+
+func (p *BaggageRestriction) String() string {
+  if p == nil {
+    return "<nil>"
+  }
+  return fmt.Sprintf("BaggageRestriction(%+v)", *p)
+}
+
+type BaggageRestrictionManager interface {
+  // getBaggageRestrictions retrieves the baggage restrictions for a specific service.
+  // Usually, baggageRestrictions apply to all services however there may be situations
+  // where a baggageKey might only be allowed to be set by a specific service.
+  // 
+  // Parameters:
+  //  - ServiceName
+  GetBaggageRestrictions(ctx context.Context, serviceName string) (_r []*BaggageRestriction, _err error)
+}
+
+type BaggageRestrictionManagerClient struct {
+  c thrift.TClient
+  meta thrift.ResponseMeta
+}
+
+func NewBaggageRestrictionManagerClientFactory(t thrift.TTransport, f thrift.TProtocolFactory) *BaggageRestrictionManagerClient {
+  return &BaggageRestrictionManagerClient{
+    c: thrift.NewTStandardClient(f.GetProtocol(t), f.GetProtocol(t)),
+  }
+}
+
+func NewBaggageRestrictionManagerClientProtocol(t thrift.TTransport, iprot thrift.TProtocol, oprot thrift.TProtocol) *BaggageRestrictionManagerClient {
+  return &BaggageRestrictionManagerClient{
+    c: thrift.NewTStandardClient(iprot, oprot),
+  }
+}
+
+func NewBaggageRestrictionManagerClient(c thrift.TClient) *BaggageRestrictionManagerClient {
+  return &BaggageRestrictionManagerClient{
+    c: c,
+  }
+}
+
+func (p *BaggageRestrictionManagerClient) Client_() thrift.TClient {
+  return p.c
+}
+
+func (p *BaggageRestrictionManagerClient) LastResponseMeta_() thrift.ResponseMeta {
+  return p.meta
+}
+
+func (p *BaggageRestrictionManagerClient) SetLastResponseMeta_(meta thrift.ResponseMeta) {
+  p.meta = meta
+}
+
+// getBaggageRestrictions retrieves the baggage restrictions for a specific service.
+// Usually, baggageRestrictions apply to all services however there may be situations
+// where a baggageKey might only be allowed to be set by a specific service.
+// 
+// Parameters:
+//  - ServiceName
+func (p *BaggageRestrictionManagerClient) GetBaggageRestrictions(ctx context.Context, serviceName string) (_r []*BaggageRestriction, _err error) {
+  var _args0 BaggageRestrictionManagerGetBaggageRestrictionsArgs
+  _args0.ServiceName = serviceName
+  var _result2 BaggageRestrictionManagerGetBaggageRestrictionsResult
+  var _meta1 thrift.ResponseMeta
+  _meta1, _err = p.Client_().Call(ctx, "getBaggageRestrictions", &_args0, &_result2)
+  p.SetLastResponseMeta_(_meta1)
+  if _err != nil {
+    return
+  }
+  return _result2.GetSuccess(), nil
+}
+
+type BaggageRestrictionManagerProcessor struct {
+  processorMap map[string]thrift.TProcessorFunction
+  handler BaggageRestrictionManager
+}
+
+func (p *BaggageRestrictionManagerProcessor) AddToProcessorMap(key string, processor thrift.TProcessorFunction) {
+  p.processorMap[key] = processor
+}
+
+func (p *BaggageRestrictionManagerProcessor) GetProcessorFunction(key string) (processor thrift.TProcessorFunction, ok bool) {
+  processor, ok = p.processorMap[key]
+  return processor, ok
+}
+
+func (p *BaggageRestrictionManagerProcessor) ProcessorMap() map[string]thrift.TProcessorFunction {
+  return p.processorMap
+}
+
+func NewBaggageRestrictionManagerProcessor(handler BaggageRestrictionManager) *BaggageRestrictionManagerProcessor {
+
+  self3 := &BaggageRestrictionManagerProcessor{handler:handler, processorMap:make(map[string]thrift.TProcessorFunction)}
+  self3.processorMap["getBaggageRestrictions"] = &baggageRestrictionManagerProcessorGetBaggageRestrictions{handler:handler}
+return self3
+}
+
+func (p *BaggageRestrictionManagerProcessor) Process(ctx context.Context, iprot, oprot thrift.TProtocol) (success bool, err thrift.TException) {
+  name, _, seqId, err2 := iprot.ReadMessageBegin(ctx)
+  if err2 != nil { return false, thrift.WrapTException(err2) }
+  if processor, ok := p.GetProcessorFunction(name); ok {
+    return processor.Process(ctx, seqId, iprot, oprot)
+  }
+  iprot.Skip(ctx, thrift.STRUCT)
+  iprot.ReadMessageEnd(ctx)
+  x4 := thrift.NewTApplicationException(thrift.UNKNOWN_METHOD, "Unknown function " + name)
+  oprot.WriteMessageBegin(ctx, name, thrift.EXCEPTION, seqId)
+  x4.Write(ctx, oprot)
+  oprot.WriteMessageEnd(ctx)
+  oprot.Flush(ctx)
+  return false, x4
+
+}
+
+type baggageRestrictionManagerProcessorGetBaggageRestrictions struct {
+  handler BaggageRestrictionManager
+}
+
+func (p *baggageRestrictionManagerProcessorGetBaggageRestrictions) Process(ctx context.Context, seqId int32, iprot, oprot thrift.TProtocol) (success bool, err thrift.TException) {
+  args := BaggageRestrictionManagerGetBaggageRestrictionsArgs{}
+  var err2 error
+  if err2 = args.Read(ctx, iprot); err2 != nil {
+    iprot.ReadMessageEnd(ctx)
+    x := thrift.NewTApplicationException(thrift.PROTOCOL_ERROR, err2.Error())
+    oprot.WriteMessageBegin(ctx, "getBaggageRestrictions", thrift.EXCEPTION, seqId)
+    x.Write(ctx, oprot)
+    oprot.WriteMessageEnd(ctx)
+    oprot.Flush(ctx)
+    return false, thrift.WrapTException(err2)
+  }
+  iprot.ReadMessageEnd(ctx)
+
+  tickerCancel := func() {}
+  // Start a goroutine to do server side connectivity check.
+  if thrift.ServerConnectivityCheckInterval > 0 {
+    var cancel context.CancelFunc
+    ctx, cancel = context.WithCancel(ctx)
+    defer cancel()
+    var tickerCtx context.Context
+    tickerCtx, tickerCancel = context.WithCancel(context.Background())
+    defer tickerCancel()
+    go func(ctx context.Context, cancel context.CancelFunc) {
+      ticker := time.NewTicker(thrift.ServerConnectivityCheckInterval)
+      defer ticker.Stop()
+      for {
+        select {
+        case <-ctx.Done():
+          return
+        case <-ticker.C:
+          if !iprot.Transport().IsOpen() {
+            cancel()
+            return
+          }
+        }
+      }
+    }(tickerCtx, cancel)
+  }
+
+  result := BaggageRestrictionManagerGetBaggageRestrictionsResult{}
+  var retval []*BaggageRestriction
+  if retval, err2 = p.handler.GetBaggageRestrictions(ctx, args.ServiceName); err2 != nil {
+    tickerCancel()
+    if err2 == thrift.ErrAbandonRequest {
+      return false, thrift.WrapTException(err2)
+    }
+    x := thrift.NewTApplicationException(thrift.INTERNAL_ERROR, "Internal error processing getBaggageRestrictions: " + err2.Error())
+    oprot.WriteMessageBegin(ctx, "getBaggageRestrictions", thrift.EXCEPTION, seqId)
+    x.Write(ctx, oprot)
+    oprot.WriteMessageEnd(ctx)
+    oprot.Flush(ctx)
+    return true, thrift.WrapTException(err2)
+  } else {
+    result.Success = retval
+  }
+  tickerCancel()
+  if err2 = oprot.WriteMessageBegin(ctx, "getBaggageRestrictions", thrift.REPLY, seqId); err2 != nil {
+    err = thrift.WrapTException(err2)
+  }
+  if err2 = result.Write(ctx, oprot); err == nil && err2 != nil {
+    err = thrift.WrapTException(err2)
+  }
+  if err2 = oprot.WriteMessageEnd(ctx); err == nil && err2 != nil {
+    err = thrift.WrapTException(err2)
+  }
+  if err2 = oprot.Flush(ctx); err == nil && err2 != nil {
+    err = thrift.WrapTException(err2)
+  }
+  if err != nil {
+    return
+  }
+  return true, err
+}
+
+
+// HELPER FUNCTIONS AND STRUCTURES
+
+// Attributes:
+//  - ServiceName
+type BaggageRestrictionManagerGetBaggageRestrictionsArgs struct {
+  ServiceName string `thrift:"serviceName,1" db:"serviceName" json:"serviceName"`
+}
+
+func NewBaggageRestrictionManagerGetBaggageRestrictionsArgs() *BaggageRestrictionManagerGetBaggageRestrictionsArgs {
+  return &BaggageRestrictionManagerGetBaggageRestrictionsArgs{}
+}
+
+
+func (p *BaggageRestrictionManagerGetBaggageRestrictionsArgs) GetServiceName() string {
+  return p.ServiceName
+}
+func (p *BaggageRestrictionManagerGetBaggageRestrictionsArgs) Read(ctx context.Context, iprot thrift.TProtocol) error {
+  if _, err := iprot.ReadStructBegin(ctx); err != nil {
+    return thrift.PrependError(fmt.Sprintf("%T read error: ", p), err)
+  }
+
+
+  for {
+    _, fieldTypeId, fieldId, err := iprot.ReadFieldBegin(ctx)
+    if err != nil {
+      return thrift.PrependError(fmt.Sprintf("%T field %d read error: ", p, fieldId), err)
+    }
+    if fieldTypeId == thrift.STOP { break; }
+    switch fieldId {
+    case 1:
+      if fieldTypeId == thrift.STRING {
+        if err := p.ReadField1(ctx, iprot); err != nil {
+          return err
+        }
+      } else {
+        if err := iprot.Skip(ctx, fieldTypeId); err != nil {
+          return err
+        }
+      }
+    default:
+      if err := iprot.Skip(ctx, fieldTypeId); err != nil {
+        return err
+      }
+    }
+    if err := iprot.ReadFieldEnd(ctx); err != nil {
+      return err
+    }
+  }
+  if err := iprot.ReadStructEnd(ctx); err != nil {
+    return thrift.PrependError(fmt.Sprintf("%T read struct end error: ", p), err)
+  }
+  return nil
+}
+
+func (p *BaggageRestrictionManagerGetBaggageRestrictionsArgs)  ReadField1(ctx context.Context, iprot thrift.TProtocol) error {
+  if v, err := iprot.ReadString(ctx); err != nil {
+  return thrift.PrependError("error reading field 1: ", err)
+} else {
+  p.ServiceName = v
+}
+  return nil
+}
+
+func (p *BaggageRestrictionManagerGetBaggageRestrictionsArgs) Write(ctx context.Context, oprot thrift.TProtocol) error {
+  if err := oprot.WriteStructBegin(ctx, "getBaggageRestrictions_args"); err != nil {
+    return thrift.PrependError(fmt.Sprintf("%T write struct begin error: ", p), err) }
+  if p != nil {
+    if err := p.writeField1(ctx, oprot); err != nil { return err }
+  }
+  if err := oprot.WriteFieldStop(ctx); err != nil {
+    return thrift.PrependError("write field stop error: ", err) }
+  if err := oprot.WriteStructEnd(ctx); err != nil {
+    return thrift.PrependError("write struct stop error: ", err) }
+  return nil
+}
+
+func (p *BaggageRestrictionManagerGetBaggageRestrictionsArgs) writeField1(ctx context.Context, oprot thrift.TProtocol) (err error) {
+  if err := oprot.WriteFieldBegin(ctx, "serviceName", thrift.STRING, 1); err != nil {
+    return thrift.PrependError(fmt.Sprintf("%T write field begin error 1:serviceName: ", p), err) }
+  if err := oprot.WriteString(ctx, string(p.ServiceName)); err != nil {
+  return thrift.PrependError(fmt.Sprintf("%T.serviceName (1) field write error: ", p), err) }
+  if err := oprot.WriteFieldEnd(ctx); err != nil {
+    return thrift.PrependError(fmt.Sprintf("%T write field end error 1:serviceName: ", p), err) }
+  return err
+}
+
+func (p *BaggageRestrictionManagerGetBaggageRestrictionsArgs) String() string {
+  if p == nil {
+    return "<nil>"
+  }
+  return fmt.Sprintf("BaggageRestrictionManagerGetBaggageRestrictionsArgs(%+v)", *p)
+}
+
+// Attributes:
+//  - Success
+type BaggageRestrictionManagerGetBaggageRestrictionsResult struct {
+  Success []*BaggageRestriction `thrift:"success,0" db:"success" json:"success,omitempty"`
+}
+
+func NewBaggageRestrictionManagerGetBaggageRestrictionsResult() *BaggageRestrictionManagerGetBaggageRestrictionsResult {
+  return &BaggageRestrictionManagerGetBaggageRestrictionsResult{}
+}
+
+var BaggageRestrictionManagerGetBaggageRestrictionsResult_Success_DEFAULT []*BaggageRestriction
+
+func (p *BaggageRestrictionManagerGetBaggageRestrictionsResult) GetSuccess() []*BaggageRestriction {
+  return p.Success
+}
+func (p *BaggageRestrictionManagerGetBaggageRestrictionsResult) IsSetSuccess() bool {
+  return p.Success != nil
+}
+
+func (p *BaggageRestrictionManagerGetBaggageRestrictionsResult) Read(ctx context.Context, iprot thrift.TProtocol) error {
+  if _, err := iprot.ReadStructBegin(ctx); err != nil {
+    return thrift.PrependError(fmt.Sprintf("%T read error: ", p), err)
+  }
+
+
+  for {
+    _, fieldTypeId, fieldId, err := iprot.ReadFieldBegin(ctx)
+    if err != nil {
+      return thrift.PrependError(fmt.Sprintf("%T field %d read error: ", p, fieldId), err)
+    }
+    if fieldTypeId == thrift.STOP { break; }
+    switch fieldId {
+    case 0:
+      if fieldTypeId == thrift.LIST {
+        if err := p.ReadField0(ctx, iprot); err != nil {
+          return err
+        }
+      } else {
+        if err := iprot.Skip(ctx, fieldTypeId); err != nil {
+          return err
+        }
+      }
+    default:
+      if err := iprot.Skip(ctx, fieldTypeId); err != nil {
+        return err
+      }
+    }
+    if err := iprot.ReadFieldEnd(ctx); err != nil {
+      return err
+    }
+  }
+  if err := iprot.ReadStructEnd(ctx); err != nil {
+    return thrift.PrependError(fmt.Sprintf("%T read struct end error: ", p), err)
+  }
+  return nil
+}
+
+func (p *BaggageRestrictionManagerGetBaggageRestrictionsResult)  ReadField0(ctx context.Context, iprot thrift.TProtocol) error {
+  _, size, err := iprot.ReadListBegin(ctx)
+  if err != nil {
+    return thrift.PrependError("error reading list begin: ", err)
+  }
+  tSlice := make([]*BaggageRestriction, 0, size)
+  p.Success =  tSlice
+  for i := 0; i < size; i ++ {
+    _elem5 := &BaggageRestriction{}
+    if err := _elem5.Read(ctx, iprot); err != nil {
+      return thrift.PrependError(fmt.Sprintf("%T error reading struct: ", _elem5), err)
+    }
+    p.Success = append(p.Success, _elem5)
+  }
+  if err := iprot.ReadListEnd(ctx); err != nil {
+    return thrift.PrependError("error reading list end: ", err)
+  }
+  return nil
+}
+
+func (p *BaggageRestrictionManagerGetBaggageRestrictionsResult) Write(ctx context.Context, oprot thrift.TProtocol) error {
+  if err := oprot.WriteStructBegin(ctx, "getBaggageRestrictions_result"); err != nil {
+    return thrift.PrependError(fmt.Sprintf("%T write struct begin error: ", p), err) }
+  if p != nil {
+    if err := p.writeField0(ctx, oprot); err != nil { return err }
+  }
+  if err := oprot.WriteFieldStop(ctx); err != nil {
+    return thrift.PrependError("write field stop error: ", err) }
+  if err := oprot.WriteStructEnd(ctx); err != nil {
+    return thrift.PrependError("write struct stop error: ", err) }
+  return nil
+}
+
+func (p *BaggageRestrictionManagerGetBaggageRestrictionsResult) writeField0(ctx context.Context, oprot thrift.TProtocol) (err error) {
+  if p.IsSetSuccess() {
+    if err := oprot.WriteFieldBegin(ctx, "success", thrift.LIST, 0); err != nil {
+      return thrift.PrependError(fmt.Sprintf("%T write field begin error 0:success: ", p), err) }
+    if err := oprot.WriteListBegin(ctx, thrift.STRUCT, len(p.Success)); err != nil {
+      return thrift.PrependError("error writing list begin: ", err)
+    }
+    for _, v := range p.Success {
+      if err := v.Write(ctx, oprot); err != nil {
+        return thrift.PrependError(fmt.Sprintf("%T error writing struct: ", v), err)
+      }
+    }
+    if err := oprot.WriteListEnd(ctx); err != nil {
+      return thrift.PrependError("error writing list end: ", err)
+    }
+    if err := oprot.WriteFieldEnd(ctx); err != nil {
+      return thrift.PrependError(fmt.Sprintf("%T write field end error 0:success: ", p), err) }
+  }
+  return err
+}
+
+func (p *BaggageRestrictionManagerGetBaggageRestrictionsResult) String() string {
+  if p == nil {
+    return "<nil>"
+  }
+  return fmt.Sprintf("BaggageRestrictionManagerGetBaggageRestrictionsResult(%+v)", *p)
+}
+
+