forked from apache/thrift
/
server_socket.go
137 lines (119 loc) · 3.21 KB
/
server_socket.go
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/*
* 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 (
"net"
"sync"
"time"
)
type TServerSocket struct {
listener net.Listener
addr net.Addr
clientTimeout time.Duration
// Protects the interrupted value to make it thread safe.
mu sync.RWMutex
interrupted bool
}
func NewTServerSocket(listenAddr string) (*TServerSocket, error) {
return NewTServerSocketTimeout(listenAddr, 0)
}
func NewTServerSocketTimeout(listenAddr string, clientTimeout time.Duration) (*TServerSocket, error) {
addr, err := net.ResolveTCPAddr("tcp", listenAddr)
if err != nil {
return nil, err
}
return &TServerSocket{addr: addr, clientTimeout: clientTimeout}, nil
}
// Creates a TServerSocket from a net.Addr
func NewTServerSocketFromAddrTimeout(addr net.Addr, clientTimeout time.Duration) *TServerSocket {
return &TServerSocket{addr: addr, clientTimeout: clientTimeout}
}
func (p *TServerSocket) Listen() error {
p.mu.Lock()
defer p.mu.Unlock()
if p.IsListening() {
return nil
}
l, err := net.Listen(p.addr.Network(), p.addr.String())
if err != nil {
return err
}
p.listener = l
return nil
}
func (p *TServerSocket) Accept() (TTransport, error) {
p.mu.RLock()
interrupted := p.interrupted
p.mu.RUnlock()
if interrupted {
return nil, errTransportInterrupted
}
p.mu.Lock()
listener := p.listener
p.mu.Unlock()
if listener == nil {
return nil, NewTTransportException(NOT_OPEN, "No underlying server socket")
}
conn, err := listener.Accept()
if err != nil {
return nil, NewTTransportExceptionFromError(err)
}
return NewTSocketFromConnTimeout(conn, p.clientTimeout), nil
}
// Checks whether the socket is listening.
func (p *TServerSocket) IsListening() bool {
return p.listener != nil
}
// Connects the socket, creating a new socket object if necessary.
func (p *TServerSocket) Open() error {
p.mu.Lock()
defer p.mu.Unlock()
if p.IsListening() {
return NewTTransportException(ALREADY_OPEN, "Server socket already open")
}
if l, err := net.Listen(p.addr.Network(), p.addr.String()); err != nil {
return err
} else {
p.listener = l
}
return nil
}
func (p *TServerSocket) Addr() net.Addr {
if p.listener != nil {
return p.listener.Addr()
}
return p.addr
}
func (p *TServerSocket) Close() error {
var err error
p.mu.Lock()
if p.IsListening() {
err = p.listener.Close()
p.listener = nil
}
p.mu.Unlock()
return err
}
func (p *TServerSocket) Interrupt() error {
p.mu.Lock()
p.interrupted = true
p.mu.Unlock()
p.Close()
return nil
}