PHP监听Socket

王朝php·作者佚名  2008-12-19
窄屏简体版  字體: |||超大  

<?php

set_time_limit(10);

$commonProtocol = getprotobyname("tcp");

$socket = socket_create(AF_INET, SOCK_STREAM, $commonProtocol);

if ($socket) {

$result = socket_bind($socket, 'localhost', 1337);

if ($result) {

$result = socket_listen($socket, 5);

if ($result) {

echo "监听成功";

}

}

}else{

echo "监听失败";

}

do {

if (($msgsock = socket_accept($socket))) { /* 发送提示信息给连接上来的用户 */

$msg = "==========================================\r\n" .

"Welcome to the PHP Test Server. \r\n\r\n" .

"To quit, type 'quit'. \r\n" .

"To shut down the server type 'shutdown'.\r\n" .

"To get help message type 'help'.\r\n" .

"==========================================\r\n" .

"php>";

}

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

do {

$buf = socket_read($msgsock, 2048, PHP_BINARY_READ);

if (false === $buf) {

echo "socket_read() failed: reason: " . socket_strerror($result) . "\n";

break 2;

}

if (!$buf = trim($buf)) {

continue;

} /* 客户端输入quit命令时候关闭客户端连接 */

if ($buf == 'q') {

break;

} /* 客户端输入shutdown命令时候服务端和客户端都关闭 */

if ($buf == 'shutdown') {

socket_close($msgsock);

break 2;

} /* 客户端输入help命令时候输出帮助信息 */

if ($buf == 'h') {

$msg = " PHP Server Help Message \r\n\r\n" .

" To quit, type 'quit'. \r\n" .

" To shut down the server type 'shutdown'.\r\n" .

" To get help message type 'help'.\r\n" .

"php> ";

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

continue;

} /* 客户端输入命令不存在时提示信息 */

$talkback = "PHP: unknow command '$buf'.\r\nphp> ";

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

echo "$buf\n";

} while (true);

socket_close($msgsock);

}while (true);

/* 关闭Socket连接 */

socket_close($socket);

?>

 
 
 
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