php 中操作tcp 与SOCKET函数实例
<?php
//创建socket服务
$c = stream_socket_server("tcp://127.0.0.1:1100");
while (1) {
if (is_resource($a = stream_socket_accept($c))) {
//do something time-consuming
//获取网络socket名称
if (stream_socket_get_name($a, true) !== false) {
fwrite($a, "regards form berlin");
}
}
}
//
//创建两个无区别的socket数据流连接
$sockets = stream_socket_pair(stream_pf_unix, stream_sock_stream, stream_ipproto_ip);
//创建子进程并返回其pid
$pid = pcntl_fork();
if ($pid == - 1) {
//如果没有子进程
die('could not fork');
} else if ($pid) {
/*父进程*/
fclose($sockets[0]);
fwrite($sockets[1], "child pid: $pidn");
echo fgets($sockets[1]);
fclose($sockets[1]);
} else {
/*子进程*/
fclose($sockets[1]);
fwrite($sockets[0], "message from childn");
echo fgets($sockets[0]);
fclose($sockets[0]);
}
//
/*打开一个socket服务端*/
$server = stream_socket_server('tcp://127.0.0.1:1234');
/*接受一个连接*/
$socket = stream_socket_accept($server);
/*获取数据*/
echo "received out-of-band:'" . stream_socket_recvfrom($socket, 1500, stream_oob) . "'n";
/*使用peek获取数据*/
echo "data:'" . stream_socket_recvfrom($socket, 1500, stream_peek) . "'n";
/*正常获取数*/
echo "data:'" . stream_socket_recvfrom($socket, 1500) . "'n";
/*关闭socket*/
fclose($socket);
fclose($server);
//
/*打开一个socket客户端*/
$socket = stream_socket_client('tcp://127.0.0.1:1234');
/*发送正常数据*/
fwrite($socket, "normal data transmit.");
/*发送更多的数据*/
stream_socket_sendto($socket, "out of band data.", stream_oob);
/*关闭socket*/
fclose($socket);
//
//创建服务端
$socket = stream_socket_server("tcp://0.0.0.0:8000", $errno, $errstr);
//如果创建失败
if (!$socket) {
echo "$errstr ($errno)<br />n";
}
//如果创建成功
else {
//接受连接
while ($conn = stream_socket_accept($socket)) {
//写入数据
fwrite($conn, 'the local time is ' . date('n/j/y g:i a') . "n");
//关闭连接
fclose($conn);
}
//关闭socket
fclose($socket);
}文章地址:http://www.phprm.com/develop/fs4238.html
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