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);

// 第一个参数”AF_INET”用来指定域名;

// 第二个参数”SOCK_STREM”告诉函数将创建一个什么类型的Socket(在这个例子中是TCP类型),UDP是SOCK_DGRAM

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 blood335555553\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";

//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) { // 创建一个Socket链接

    echo "socket_create() 失败的原因是:" . socket_strerror($sock) . "\n";

}

if (($ret = socket_bind($sock, $ip, $port)) < 0) { //绑定Socket到端口

    echo "socket_bind() 失败的原因是:" . socket_strerror($ret) . "\n";

}

if (($ret = socket_listen($sock, 4)) < 0) { // 开始监听链接链接

    echo "socket_listen() 失败的原因是:" . socket_strerror($ret) . "\n";

}

$count = 0;

do {

    if (($msgsock = socket_accept($sock)) < 0) { //堵塞等待另一个Socket来处理通信

        echo "socket_accept() failed: reason: " . socket_strerror($msgsock) . "\n";

        break;

    } else {

        //发送消息到客户端

        $msg = "测试成功！\n";

        socket_write($msgsock, $msg, strlen($msg)); 

        //接收客户端消息

        echo "测试成功了啊\n";

        $buf = socket_read($msgsock, 8192); // 获得客户端的输入

        $talkback = "收到的信息:$buf\n";

        echo $talkback;

        if (++$count >= 5) {

            break;

        };

    }

    //echo $buf;

    socket_close($msgsock);

} while (true);

socket_close($sock);