服务端代码
<?php
//确保在连接客户端时不会超时
set_time_limit(0);
$ip = '127.0.0.1';
$port = 13370;
function doEncoding($str){
$encode = strtoupper(mb_detect_encoding($str, ["ASCII",'UTF-8',"GB2312","GBK",'BIG5']));
if($encode!='UTF-8'){
$str = mb_convert_encoding($str, 'UTF-8', $encode);
}
return $str;
}
/*
+-------------------------------
* @socket通信整个过程
+-------------------------------
* @socket_create
* @socket_bind
* @socket_listen
* @socket_accept
* @socket_read
* @socket_write
* @socket_close
+--------------------------------
*/
/*---------------- 以下操作都是手册上的 -------------------*/
if(($sock = socket_create(AF_INET,SOCK_STREAM,SOL_TCP)) < 0) {
echo "socket_create() 失败的原因是:".doEncoding(socket_strerror($sock))."\n";
}
if(($ret = socket_bind($sock,$ip,$port)) < 0) {
echo "socket_bind() 失败的原因是:".doEncoding(socket_strerror($ret))."\n";
}
if(($ret = socket_listen($sock,4)) < 0) {
echo "socket_listen() 失败的原因是:".doEncoding(socket_strerror($ret))."\n";
}
$count = 0;
do {
if (($msgsock = socket_accept($sock)) < 0) {
echo "socket_accept() failed: reason: " . doEncoding(socket_strerror($msgsock)) . "\n";
break;
} else {
echo "连接成功了\n";
//发到客户端
$msg ="test\n";
socket_write($msgsock, $msg, strlen($msg));
echo "发送数据成功\n";
$buf = socket_read($msgsock,8192);
$talkback = "收到的信息:$buf\n";
echo $talkback;
}
//echo $buf;
socket_close($msgsock);
} while (true);
socket_close($sock);
echo "连接关闭了!\n"
?>
客户端代码
<?php
error_reporting(E_ALL);
set_time_limit(0);
echo "<h2>TCP/IP Connection</h2>\n";
$port = 13370;
$ip = "127.0.0.1";
function doEncoding($str){
$encode = strtoupper(mb_detect_encoding($str, ["ASCII",'UTF-8',"GB2312","GBK",'BIG5']));
if($encode!='UTF-8'){
$str = mb_convert_encoding($str, 'UTF-8', $encode);
}
return $str;
}
/*
+-------------------------------
* @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: " . doEncoding(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: ($result) " . doEncoding(socket_strerror($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: " . doEncoding(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";
?>
