[VOL-4638] Initial commit
Change-Id: I5e785d017e1d27783b24591b52f20f442895e602
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/serializer.go b/vendor/github.com/uber/jaeger-client-go/thrift/serializer.go
new file mode 100644
index 0000000..c449790
--- /dev/null
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/serializer.go
@@ -0,0 +1,136 @@
+/*
+ * 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"
+ "sync"
+)
+
+type TSerializer struct {
+ Transport *TMemoryBuffer
+ Protocol TProtocol
+}
+
+type TStruct interface {
+ Write(ctx context.Context, p TProtocol) error
+ Read(ctx context.Context, p TProtocol) error
+}
+
+func NewTSerializer() *TSerializer {
+ transport := NewTMemoryBufferLen(1024)
+ protocol := NewTBinaryProtocolTransport(transport)
+
+ return &TSerializer{
+ Transport: transport,
+ Protocol: protocol,
+ }
+}
+
+func (t *TSerializer) WriteString(ctx context.Context, msg TStruct) (s string, err error) {
+ t.Transport.Reset()
+
+ if err = msg.Write(ctx, t.Protocol); err != nil {
+ return
+ }
+
+ if err = t.Protocol.Flush(ctx); err != nil {
+ return
+ }
+ if err = t.Transport.Flush(ctx); err != nil {
+ return
+ }
+
+ return t.Transport.String(), nil
+}
+
+func (t *TSerializer) Write(ctx context.Context, msg TStruct) (b []byte, err error) {
+ t.Transport.Reset()
+
+ if err = msg.Write(ctx, t.Protocol); err != nil {
+ return
+ }
+
+ if err = t.Protocol.Flush(ctx); err != nil {
+ return
+ }
+
+ 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)
+}