PHP socket多用戶socket通信demo

PHP socket多用戶socket通信demo

server.php 服務端腳本

function server()
{
    date_default_timezone_set('PRC'); //設置時區
    set_time_limit(0);                //腳本請求時間響應無限制
    error_reporting(null);            //屏蔽錯誤警告
    $socket = socket_create(AF_INET,SOCK_STREAM,SOL_TCP); //創建socket
    socket_set_option($socket,SOL_SOCKET,SO_REUSEADDR,1); //配置參數
    socket_set_nonblock($socket);//無阻塞
    if ($bind = socket_bind($socket,'127.0.0.1',8889)==false) { //綁定ip,端口
        echo "socket bind fail:".socket_strerror(socket_last_error($bind));
    }
    if ($listen = socket_listen($socket,4)==false) {//開始監聽
        echo 'server listen fail:'.socket_strerror(socket_last_error($listen));
    }

    $socket_pool[] = $socket; //初始化連接池
    $num = 0;//記錄連線用戶數
    echo "歡迎來到PHP Socket測試服務。".PHP_EOL;
    do {
        $pools  = $socket_pool;
        $write  = NULL;
        $except = NULL;
        socket_select($ths,$write,$except,NULL);//
        foreach ($pools as $s) {
            if ($s == $socket) {
                $accept = socket_accept($s);
                if ($accept) {
                    $socket_pool[] = $accept;//
                }
                $hand = false; //初次seq
                $user = $num = $num+1; //新用戶數加1
                echo "歡迎新用戶".$user.PHP_EOL;//$user用戶標識
                $return_client = $user;
                $res = socket_write($accept,$return_client,strlen($return_client));//發送用戶標識給客戶端
                if (!$res) {
                    echo "fail to write";
                }
            } else {
                $str = socket_read($s,1024);
                if (!$hand) {
                    socket_write($s, '握手', strlen('握手'));
                    $hand = true;
                } else {
                    echo "服務端接收：".$str.PHP_EOL;
                    foreach ($socket_pool as $send) {
                        if ($send != $socket && $send != $s) { //廣播數據,除自己和服務端外
                            if ($str) {
                                $return_client = '這是'.$str.PHP_EOL;
                                socket_write($send,$return_client,strlen($return_client));
                            } else {
                                echo 'close';
                                $num--;
                                socket_close($s);
                            }
                        }
                    }
                }
            }
        }
    } while(true);
    socket_close($socket);
}

client.php 客戶端腳本

   error_reporting(null);
   date_default_timezone_set('PRC');
   $socket = socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
   socket_set_option($socket,SOL_SOCKET,SO_RCVTIMEO,array('sec' => 1,'usec' => 0));
   socket_set_option($socket,SOL_SOCKET,SO_SNDTIMEO,array('sec' => 6,'usec' => 0));
   if ($coon = socket_connect($socket,'127.0.0.1',8889) == false) {
       echo 'connect error '.socket_strerror(socket_last_error($coon));
   } else {
       $num = 1;
       do {
   //        if ($callback = socket_read($socket,1024)) {
   //            echo '羣內信息: '.$callback.PHP_EOL;
   //        }
   //        fwrite(STDOUT,'請輸入：');
   //        $msg  = fgets(STDIN);
   //        $msg = substr($msg, 0, -1);
   //        if (base64_encode($msg) == base64_encode('end')) {
   //            echo $msg;
   //            socket_close($socket);
   //            break;
   //        }
           $msg = array('甲','乙','丙','丁','end');
           if ($callback = socket_read($socket,1024)) {
               if ($num == 1) {
                   //服務端第一次回覆對的信息爲用戶標識
                   $user = intval($callback);//用戶標識
                   $num ++;
               }
               echo '羣內信息: '.$callback.PHP_EOL;
               sleep(2);
           }
           $k = $user-1;
           if ($msg[$k] == 'end') {
               socket_close($socket);
           }
           sleep(2);
           echo '發送內容:'.$msg[$k].PHP_EOL;
           $sendMsg = '用戶'.$user.'發送'.$msg[$k];
           if ($write = socket_write($socket,$sendMsg,strlen($sendMsg)) == false) {
               $error = socket_strerror(socket_last_error($write));
               echo 'fail to write '.$error;
               socket_close($socket);
           } else {
               echo "client write success ".PHP_EOL;
           }
       } while(true);
   }
   socket_close($socket);