php Socket通信

 1 <?php
 2 error_reporting(0);
 3 $host = "0.0.0.0";
 4 $port = 1082;
 5 $maxUser = 10;
 6 
 7 set_time_limit(0);
 8 
 9 
10 $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP) or die("socket create failed: " . socket_strerror( socket_last_error() ) . "\n");
11 
12 socket_set_option($socket, SOL_SOCKET, SO_REUSEADDR, true) or die("option set failed: " . socket_strerror( socket_last_error() ) . "\n");
13 socket_bind($socket, $host, $port) or die("socket_bind() failed: " . socket_strerror( socket_last_error() ) . "\n");
14 socket_listen( $socket, 3 ) or die("socket_listen() failed: " . socket_strerror( socket_last_error() ) . "\n");
15 
16 echo "Starting Listen!\n";
17 do{
18     if( $msgSocket = socket_accept($socket) === false ){
19         echo "socket_accept() failed： " . socket_strerror( socket_last_error() ) . "\n";
20         break;
21     }else{
22         $msg = "hello world";
23         socket_write($msgSocket, $msg, strlen( $msg ));
24         
25         echo "read client message\n";
26         $buf = socket_read($msgSocket, 8192);
27         $talkback = "received message: $buf\n";
28         
29         echo $talkback;
30         
31         if( false === socket_write($msgSocket, $talkback, strlen($talkback)) ){
32             echo "socket_write() failed reason:" . socket_strerror(socket_last_error($sock)) ."\n";
33         }else{
34             echo "send success\n";
35         }
36         
37         //socket_send($msgSocket, $buf, $len, $flags);
38     }
39     socket_close( $msgSocket );
40     
41 }while ( true );
42 
43 socket_close($socket);
44 ?>