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-rw-r--r--src/jaegertracing/thrift/lib/go/thrift/socket.go166
1 files changed, 166 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/lib/go/thrift/socket.go b/src/jaegertracing/thrift/lib/go/thrift/socket.go
new file mode 100644
index 000000000..88b98f591
--- /dev/null
+++ b/src/jaegertracing/thrift/lib/go/thrift/socket.go
@@ -0,0 +1,166 @@
+/*
+ * 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"
+ "net"
+ "time"
+)
+
+type TSocket struct {
+ conn net.Conn
+ addr net.Addr
+ timeout time.Duration
+}
+
+// NewTSocket creates a net.Conn-backed TTransport, given a host and port
+//
+// Example:
+// trans, err := thrift.NewTSocket("localhost:9090")
+func NewTSocket(hostPort string) (*TSocket, error) {
+ return NewTSocketTimeout(hostPort, 0)
+}
+
+// NewTSocketTimeout creates a net.Conn-backed TTransport, given a host and port
+// it also accepts a timeout as a time.Duration
+func NewTSocketTimeout(hostPort string, timeout time.Duration) (*TSocket, error) {
+ //conn, err := net.DialTimeout(network, address, timeout)
+ addr, err := net.ResolveTCPAddr("tcp", hostPort)
+ if err != nil {
+ return nil, err
+ }
+ return NewTSocketFromAddrTimeout(addr, timeout), nil
+}
+
+// Creates a TSocket from a net.Addr
+func NewTSocketFromAddrTimeout(addr net.Addr, timeout time.Duration) *TSocket {
+ return &TSocket{addr: addr, timeout: timeout}
+}
+
+// Creates a TSocket from an existing net.Conn
+func NewTSocketFromConnTimeout(conn net.Conn, timeout time.Duration) *TSocket {
+ return &TSocket{conn: conn, addr: conn.RemoteAddr(), timeout: timeout}
+}
+
+// Sets the socket timeout
+func (p *TSocket) SetTimeout(timeout time.Duration) error {
+ p.timeout = timeout
+ return nil
+}
+
+func (p *TSocket) pushDeadline(read, write bool) {
+ var t time.Time
+ if p.timeout > 0 {
+ t = time.Now().Add(time.Duration(p.timeout))
+ }
+ if read && write {
+ p.conn.SetDeadline(t)
+ } else if read {
+ p.conn.SetReadDeadline(t)
+ } else if write {
+ p.conn.SetWriteDeadline(t)
+ }
+}
+
+// Connects the socket, creating a new socket object if necessary.
+func (p *TSocket) Open() error {
+ if p.IsOpen() {
+ return NewTTransportException(ALREADY_OPEN, "Socket already connected.")
+ }
+ if p.addr == nil {
+ return NewTTransportException(NOT_OPEN, "Cannot open nil address.")
+ }
+ if len(p.addr.Network()) == 0 {
+ return NewTTransportException(NOT_OPEN, "Cannot open bad network name.")
+ }
+ if len(p.addr.String()) == 0 {
+ return NewTTransportException(NOT_OPEN, "Cannot open bad address.")
+ }
+ var err error
+ if p.conn, err = net.DialTimeout(p.addr.Network(), p.addr.String(), p.timeout); err != nil {
+ return NewTTransportException(NOT_OPEN, err.Error())
+ }
+ return nil
+}
+
+// Retrieve the underlying net.Conn
+func (p *TSocket) Conn() net.Conn {
+ return p.conn
+}
+
+// Returns true if the connection is open
+func (p *TSocket) IsOpen() bool {
+ if p.conn == nil {
+ return false
+ }
+ return true
+}
+
+// Closes the socket.
+func (p *TSocket) Close() error {
+ // Close the socket
+ if p.conn != nil {
+ err := p.conn.Close()
+ if err != nil {
+ return err
+ }
+ p.conn = nil
+ }
+ return nil
+}
+
+//Returns the remote address of the socket.
+func (p *TSocket) Addr() net.Addr {
+ return p.addr
+}
+
+func (p *TSocket) Read(buf []byte) (int, error) {
+ if !p.IsOpen() {
+ return 0, NewTTransportException(NOT_OPEN, "Connection not open")
+ }
+ p.pushDeadline(true, false)
+ n, err := p.conn.Read(buf)
+ return n, NewTTransportExceptionFromError(err)
+}
+
+func (p *TSocket) Write(buf []byte) (int, error) {
+ if !p.IsOpen() {
+ return 0, NewTTransportException(NOT_OPEN, "Connection not open")
+ }
+ p.pushDeadline(false, true)
+ return p.conn.Write(buf)
+}
+
+func (p *TSocket) Flush(ctx context.Context) error {
+ return nil
+}
+
+func (p *TSocket) Interrupt() error {
+ if !p.IsOpen() {
+ return nil
+ }
+ return p.conn.Close()
+}
+
+func (p *TSocket) RemainingBytes() (num_bytes uint64) {
+ const maxSize = ^uint64(0)
+ return maxSize // the truth is, we just don't know unless framed is used
+}