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【PHP】监听Socket

作者:冥想_ / 发布于2014/8/6/ 589


	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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