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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.
*/
/*
* Content before git sha 34fdeebefcbf183ed7f916f931aa0586fdaa1b40
* Copyright (c) 2016, The Gocql authors,
* provided under the BSD-3-Clause License.
* See the NOTICE file distributed with this work for additional information.
*/
package gocql
import (
"net"
"strconv"
"sync"
)
type OneConnTestServer struct {
Err error
Addr net.IP
Port int
listener net.Listener
acceptChan chan struct{}
mu sync.Mutex
closed bool
}
func NewOneConnTestServer() (*OneConnTestServer, error) {
lstn, err := net.Listen("tcp4", "localhost:0")
if err != nil {
return nil, err
}
addr, port := parseAddressPort(lstn.Addr().String())
return &OneConnTestServer{
listener: lstn,
acceptChan: make(chan struct{}),
Addr: addr,
Port: port,
}, nil
}
func (c *OneConnTestServer) Accepted() chan struct{} {
return c.acceptChan
}
func (c *OneConnTestServer) Close() {
c.lockedClose()
}
func (c *OneConnTestServer) Serve() {
conn, err := c.listener.Accept()
c.Err = err
if conn != nil {
conn.Close()
}
c.lockedClose()
}
func (c *OneConnTestServer) lockedClose() {
c.mu.Lock()
defer c.mu.Unlock()
if !c.closed {
close(c.acceptChan)
c.listener.Close()
c.closed = true
}
}
func parseAddressPort(hostPort string) (net.IP, int) {
host, portStr, err := net.SplitHostPort(hostPort)
if err != nil {
return net.ParseIP(""), 0
}
port, _ := strconv.Atoi(portStr)
return net.ParseIP(host), port
}
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