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【PHP】 PHP做端口监听
作者: / 发布于2011/3/15/ 735
<div><span style="line-height: 21px; font-family: verdana, sans-serif" class="Apple-style-span">服务器
<?php
// Server
// 设置错误处理
error_reporting (E_ALL);
// 设置运行时间
set_time_limit (0);
// 起用缓冲
ob_implicit_flush ();
$ip = "127.0.0.1"; // IP地址
$port = 1000; // 端口号

$socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP); // 创建一个SOCKET
if ($socket)
echo "socket_create() successed!\n";
else
echo "socket_create() failed:".socket_strerror ($socket)."\n";

$bind = socket_bind ($socket, $ip, $port); // 绑定一个SOCKET
if ($bind)
echo "socket_bind() successed!\n";
else
echo "socket_bind() failed:".socket_strerror ($bind)."\n";

$listen = socket_listen ($socket); // 间听SOCKET
if ($listen)
echo "socket_listen() successed!\n";
else
echo "socket_listen() failed:".socket_strerror ($listen)."\n";

while (true)
{
$msg = socket_accept ($socket); // 接受一个SOCKET
if (!$msg)
{
echo "socket_accept() failed:".socket_strerror ($msg)."\n";
break;
}
$welcome = "Welcome to PHP Server!\n";
socket_write ($msg, $welcome, strlen ($welcome));
while (true)
{
$command = strtoupper (trim (socket_read ($msg, 1024)));
if (!$command)
break;
switch ($command)
{
case "HELLO":
$writer = "Hello Everybody!";
break;
case "QUIT":
$writer = "Bye-Bye";
break;
case "HELP":
$writer = "HELLO\tQUIT\tHELP";
break;
default:
$writer = "Error Command!";
}
socket_write ($msg, $writer, strlen ($writer));
if ($command == "QUIT")
break;
}
socket_close ($msg);
}

socket_close ($socket); // 关闭SOCKET
?>


客户端
<?php
// Client 
// 设置错误处理
error_reporting (E_ALL);
// 设置处理时间
set_time_limit (0);

$ip = "127.0.0.1"; // IP 地址
$port = 1000; // 端口号

$socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP); // 创建一个SOCKET
if ($socket)
echo "socket_create() successed!\n";
else
echo "socket_create() failed:".socket_strerror ($socket)."\n";

$conn = socket_connect ($socket, $ip, $port); // 建立SOCKET的连接
if ($conn)
echo "Success to connection![".$ip.":".$port."]\n";
else
echo "socket_connect() failed:".socket_strerror ($conn)."\n";

echo socket_read ($socket, 1024); 

$stdin = fopen ('php://stdin', 'r');
while (true)
{
$command = trim (fgets ($stdin, 1024));
socket_write ($socket, $command, strlen ($command));
$msg = trim (socket_read ($socket, 1024));
echo $msg."\n";
if ($msg == "Bye-Bye")
break;
}
fclose ($stdin);
socket_close ($socket);
</span>
<span style="line-height: 21px; font-family: verdana, sans-serif" class="Apple-style-span">?></span>
</div>
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　端口监听　
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