php socket成功实例

服务器端脚本：server.php

<?php
error_reporting(E_ALL);
set_time_limit(0);

$address = '127.0.0.1';
$port = 10007;

//创建端口
if (($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) === false) {
echo "socket_create() failed:reason:" . socket_strerror(socket_last_error()) . "\n";
}

//绑定
if (socket_bind($sock, $address, $port) === false) {
echo "socket_bind() failed :reason:" . socket_strerror(socket_last_error($sock)) . "\n";
}

//监听
if (socket_listen($sock, 5) === false) {
echo "socket_bind() failed :reason:" . socket_strerror(socket_last_error($sock)) . "\n";
}

while (true) {
//得到一个链接
if (($msgsock = socket_accept($sock)) === false) {
echo "socket_accepty() failed :reason:".socket_strerror(socket_last_error($sock)) . "\n";
break;
}

//welcome 发送到客户端
$msg = "1.<font color='red'>server send:welcome</font><br/>";
socket_write($msgsock, $msg, strlen($msg)); //返回信息给客户端
echo 'read client message\n';
$buf = socket_read($msgsock, 8192); //获取客户端发送过来的信息
$talkback = "2.received message:$buf\n";
echo $talkback;

if (false === socket_write($msgsock, $talkback, strlen($talkback))) { //返回信息给客户端
echo "socket_write() failed reason:" . socket_strerror(socket_last_error($sock)) ."\n";
} else {
echo 'send success';
}
socket_close($msgsock);
}

socket_close($sock);

客户端脚本：client.php

<?php
echo "<h2>tcp/ip connection </h2>\n";
$service_port = 10007;
$address = '127.0.0.1';

//创建端口
if (($socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) === false) {
echo "socket_create() failed:reason:" . socket_strerror(socket_last_error()) . "\n";
} else {
echo "OK. \n";
}

echo "Attempting to connect to '$address' on port '$service_port'...";

$result = socket_connect($socket, $address, $service_port);

if($result === false) {
echo "socket_connect() failed.\nReason: ($result) " . socket_strerror(socket_last_error($socket)) . "\n";
} else {
echo "OK \n";
}

$in = "HEAD / http/1.1\r\n";
$in .= "HOST: localhost \r\n";
$in .= "Connection: close\r\n\r\n";
$out = "";
echo "sending http head request ...";
socket_write($socket, $in, strlen($in)); //向服务器端发送消息
echo "OK\n";

echo "Reading response:\n\n";

while ($out = socket_read($socket, 8192)) { //输出服务器端返回的信息
echo $out;
}

echo "closeing socket..";
socket_close($socket);
echo "ok .\n\n";