[VOL-4291] OfAgent changes for gRPC migration

Change-Id: I8da1db6df49d478ef24ec8f9bd719e9692f48a7f
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(),
+	}
+}