PHP监听Socket
- 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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