PHP socket 网络编程实例
2011-03-18 09:09
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PHP socket 网络编程实例
一开始对socket不太理解,做起东西很模糊,后来做过定位请求的项目,对socket的理解更清楚了。贴一下示例代码:
SERVER端
Php代码
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<?php
//确保在连接客户端时不会超时
set_time_limit(0);
//设置IP和端口号
$address='127.0.0.1';
$port=2009; //调试的时候,可以多换端口来测试程序!
//创建一个SOCKET
if(($sock=socket_create(AF_INET,SOCK_STREAM,SOL_TCP))<0)
{
echo "socket_create() 失败的原因是:".socket_strerror($sock)."<br>";
}
//绑定到socket端口
if(($ret=socket_bind($sock,$address,$port))<0)
{
echo "socket_bind() 失败的原因是:".socket_strerror($ret)."<br>";
}
//开始监听
if(($ret=socket_listen($sock,4))<0)
{
echo "socket_listen() 失败的原因是:".socket_strerror($ret)."<br>";
}
do {
if (($msgsock = socket_accept($sock)) < 0)
{
echo "socket_accept() failed: reason: " . socket_strerror($msgsock) . "/n";
break;
}
//发到客户端
$msg ="<font color=red>欢迎进入服务器!</font><br>";
socket_write($msgsock, $msg, strlen($msg));
echo "读取客户端发来的信息<br>";
$buf = socket_read($msgsock,8192);
$talkback = "收到的信息:$buf<br>";
echo $talkback;
/* if(socket_write($msgsock, $talkback, strlen($talkback))<0)
{
echo "socket_write() failed: reason: " . socket_strerror($msgsock) . "/n";
}
else
{
echo "发送成功";
}*/
//echo $buf;
socket_close($msgsock);
} while (true);
socket_close($sock);
?>
<?php //确保在连接客户端时不会超时 set_time_limit(0); //设置IP和端口号 $address='127.0.0.1'; $port=2009; //调试的时候,可以多换端口来测试程序! //创建一个SOCKET if(($sock=socket_create(AF_INET,SOCK_STREAM,SOL_TCP))<0) { echo "socket_create() 失败的原因是:".socket_strerror($sock)."<br>"; } //绑定到socket端口 if(($ret=socket_bind($sock,$address,$port))<0) { echo "socket_bind() 失败的原因是:".socket_strerror($ret)."<br>"; } //开始监听 if(($ret=socket_listen($sock,4))<0) { echo "socket_listen() 失败的原因是:".socket_strerror($ret)."<br>"; } do { if (($msgsock = socket_accept($sock)) < 0) { echo "socket_accept() failed: reason: " . socket_strerror($msgsock) . "/n"; break; } //发到客户端 $msg ="<font color=red>欢迎进入服务器!</font><br>"; socket_write($msgsock, $msg, strlen($msg)); echo "读取客户端发来的信息<br>"; $buf = socket_read($msgsock,8192); $talkback = "收到的信息:$buf<br>"; echo $talkback; /* if(socket_write($msgsock, $talkback, strlen($talkback))<0) { echo "socket_write() failed: reason: " . socket_strerror($msgsock) . "/n"; } else { echo "发送成功"; }*/ //echo $buf; socket_close($msgsock); } while (true); socket_close($sock); ?>
CLIENT端
Php代码
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<?php
error_reporting(E_ALL);
set_time_limit(0);
echo "<h2>TCP/IP Connection</h2>/n";
$service_port = 2009;
$address = "127.0.0.1";
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
if ($socket < 0)
{
echo "socket_create() failed: reason: " . socket_strerror($socket) . "/n";
}
else
{
echo "OK./n";
}
echo "试图连接 '$address' 端口 '$service_port'...<br>";
$result = socket_connect($socket, $address, $service_port);
if ($result < 0)
{
echo "socket_connect() failed./nReason: ($result) " . socket_strerror($result) . "/n";
}
else
{
echo "连接OK<br>";
}
$in = "Hello/r/n";
$in .= "我是Chester/r/n";
$out = '';
$out1='';
if(!socket_write($socket, $in, strlen($in)))
{
echo "socket_write() failed: reason: " . socket_strerror($socket) . "/n";
}
else
{
echo "发送到服务器信息成功!<br>";
echo "发送的内容为:<font color='red'>$in</font> <br>";
}
while($out = socket_read($socket, 8192))
{
echo "接收服务器回传信息成功!<br>";
echo "接受的内容为:",$out;
}
echo "关闭SOCKET...<br>";
socket_close($socket);
echo "关闭OK<br>";
?>
<?php error_reporting(E_ALL); set_time_limit(0); echo "<h2>TCP/IP Connection</h2>/n"; $service_port = 2009; $address = "127.0.0.1"; $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); if ($socket < 0) { echo "socket_create() failed: reason: " . socket_strerror($socket) . "/n"; } else { echo "OK./n"; } echo "试图连接 '$address' 端口 '$service_port'...<br>"; $result = socket_connect($socket, $address, $service_port); if ($result < 0) { echo "socket_connect() failed./nReason: ($result) " . socket_strerror($result) . "/n"; } else { echo "连接OK<br>"; } $in = "Hello/r/n"; $in .= "我是Chester/r/n"; $out = ''; $out1=''; if(!socket_write($socket, $in, strlen($in))) { echo "socket_write() failed: reason: " . socket_strerror($socket) . "/n"; } else { echo "发送到服务器信息成功!<br>"; echo "发送的内容为:<font color='red'>$in</font> <br>"; } while($out = socket_read($socket, 8192)) { echo "接收服务器回传信息成功!<br>"; echo "接受的内容为:",$out; } echo "关闭SOCKET...<br>"; socket_close($socket); echo "关闭OK<br>"; ?>
先运行server.php
![](https://oscdn.geek-share.com/Uploads/Images/Content/202005/03/ecc6b8de898c8a6756d55cc0b357dbc2.jpg)
再运行client.php
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