php使用socket编程示例

<?php
//phpinfo();
//确保在连接客户端时不会超时
set_time_limit(0);

$ip = '127.0.0.1';
$port = 1935;

/*
 +-------------------------------
 *    @socket通信整个过程
 +-------------------------------
 *    @socket_create
 *    @socket_bind
 *    @socket_listen
 *    @socket_accept
 *    @socket_read
 *    @socket_write
 *    @socket_close
 +--------------------------------
 */

/*----------------    以下操作都是手册上的    -------------------*/
if(($sock = socket_create(af_inet,sock_stream,sol_tcp)) < 0) {
    echo "socket_create() 失败的原因是:".socket_strerror($sock)."\n";
}

if(($ret = socket_bind($sock,$ip,$port)) < 0) {
    echo "socket_bind() 失败的原因是:".socket_strerror($ret)."\n";
}

if(($ret = socket_listen($sock,4)) < 0) {
    echo "socket_listen() 失败的原因是:".socket_strerror($ret)."\n";
}

$count = 0;

do {
    if (($msgsock = socket_accept($sock)) < 0) {
        echo "socket_accept() failed: reason: " . socket_strerror($msgsock) . "\n";
        break;
    } else {

        //发到客户端
        $msg ="测试成功！\n";
        socket_write($msgsock, $msg, strlen($msg));

        echo "测试成功了啊\n";
        $buf = socket_read($msgsock,8192);

       
        $talkback = "收到的信息:$buf\n";
        echo $talkback;

        if(++$count >= 5){
            break;
        };

   
    }
    //echo $buf;
    socket_close($msgsock);

} while (true);

socket_close($sock);
?>

<?php
error_reporting(e_all);
set_time_limit(0);
echo "<h2>tcp/ip connection</h2>\n";

$port = 1935;
$ip = "127.0.0.1";

/*
 +-------------------------------
 *    @socket连接整个过程
 +-------------------------------
 *    @socket_create
 *    @socket_connect
 *    @socket_write
 *    @socket_read
 *    @socket_close
 +--------------------------------
 */

$socket = socket_create(af_inet, sock_stream, sol_tcp);
if ($socket < 0) {
    echo "socket_create() failed: reason: " . socket_strerror($socket) . "\n";
}else {
    echo "ok.\n";
}

echo "试图连接 '$ip' 端口 '$port'...\n";
$result = socket_connect($socket, $ip, $port);
if ($result < 0) {
    echo "socket_connect() failed.\nreason: ($result) " . socket_strerror($result) . "\n";
}else {
    echo "连接ok\n";
}

$in = "ho\r\n";
$in .= "first blood\r\n";
$out = '';

if(!socket_write($socket, $in, strlen($in))) {
    echo "socket_write() failed: reason: " . socket_strerror($socket) . "\n";
}else {
    echo "发送到服务器信息成功！\n";
    echo "发送的内容为:<font color='red'>$in</font> <br>";
}

while($out = socket_read($socket, 8192)) {
    echo "接收服务器回传信息成功！\n";
    echo "接受的内容为:",$out;
}

echo "关闭socket...\n";
socket_close($socket);
echo "关闭ok\n";
?>

# /usr/local/php/bin/php  /usr/local/apache2/htdocs/server.php

# /usr/local/php/bin/php  /usr/local/apache2/htdocs/client.php

#cd ./ext/sockets/
# /usr/local/php/bin/phpize
# ./configure --enable-sockets --with-php-config=/usr/local/php/bin/php-config
# make
# make install

extension=sockets.so

# /usr/local/apache2/bin/apachectl restart

extension=php_sockets.dll

c:/php/php.exe   f:web/server.php
c:/php/php.exe   f:web/client.php