php socket

php_socket.php

<?php
// server
$Server = D('Server');
set_time_limit(0);
$host = C('DAEMON_HOST');
$port = C('DAEMON_PORT');
// 创建一个tcp流
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP) 
    or die("socket_create() failed:" . socket_strerror(socket_last_error()));
// 设置阻塞模式
socket_set_block($socket) 
    or die("socket_set_block() failed:" . socket_strerror(socket_last_error()));  
// 绑定到端口
socket_bind($socket, $host, $port) 
    or die("socket_bind() failed:" . socket_strerror(socket_last_error()));

// 开始监听
socket_listen($socket, 4) 
    or die("socket_listen() failed:" . socket_strerror(socket_last_error()));

echo "Binding the socket on $host:$port ... \n";

while (true) {
    // 接收连接请求并调用一个子连接Socket来处理客户端和服务器间的信息
    if (($msgsock = socket_accept($socket)) < 0) {
        echo "socket_accept() failed:" . socket_strerror(socket_last_error());
    }else{
        // 读数据，确保来到的数据是json格式
        $request = socket_read($msgsock,8192);
        // 处理请求
        $response = $Server->handleRequest($request);
        socket_write($msgsock, $response, strlen($response));
    }
    // 结束通信
    socket_close($msgsock);
}
socket_close($socket);

// client
set_time_limit(0);

$host = C('DAEMON_HOST');
$port = C('DAEMON_PORT');

// 创建一个tcp流
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP) 
    or die("socket_create() failed:" . socket_strerror(socket_last_error()));

echo "try to connect to $host:$port...\n";
$result = socket_connect($socket, $host, $port)
    or die("socket_connect() failed:" . socket_strerror(socket_last_error()));

$request = json_encode(array(
    'method'=>'analyzeServer',
    'params' => array(
        'id' => 24,
        )
    ));
if(!socket_write($socket, $request, strlen($request))) {
    echo "socket_write() failed:" . socket_strerror($socket);
}else {
    echo "发送成功！\n";
}

$response = socket_read($socket, 8192);
var_dump(json_decode($response,true));
socket_close($socket);
?>