php socket服務端和客戶端例項
阿新 • • 發佈：2019-01-22
server.php
<?php //確保在連線客戶端時不會超時 set_time_limit(0); $ip = '127.0.0.1'; $port = 56565; /* +------------------------------- * @socket通訊整個過程 +------------------------------- * @socket_create * @socket_bind * @socket_listen * @socket_accept * @socket_read * @socket_write * @socket_close +-------------------------------- */ /*---------------- 以下操作都是手冊上的 -------------------*/ if(($sock = socket_create(AF_INET,SOCK_STREAM,SOL_TCP)) < 0) { echo "socket_create() 失敗的原因是:".socket_strerror($sock)."\n"; } if(($ret = socket_bind($sock,$ip,$port)) < 0) { echo "socket_bind() 失敗的原因是:".socket_strerror($ret)."\n"; } if(($ret = socket_listen($sock,4)) < 0) { echo "socket_listen() 失敗的原因是:".socket_strerror($ret)."\n"; } $count = 0; do { if (($msgsock = socket_accept($sock)) < 0) { echo "socket_accept() failed: reason: " . socket_strerror($msgsock) . "\n"; break; } else { //發到客戶端 $msg ="測試成功！\n"; socket_write($msgsock, $msg, strlen($msg)); echo "測試成功了啊\n"; $buf = socket_read($msgsock,8192); $talkback = "收到的資訊:$buf\n"; echo $talkback; if(++$count >= 5){ break; }; } //echo $buf; socket_close($msgsock); } while (true); socket_close($sock); ?>
client.php
<?php error_reporting(E_ALL); set_time_limit(0); echo "<h2>TCP/IP Connection</h2>\n"; $port = 56565; $ip = "127.0.0.1"; /* +------------------------------- * @socket連線整個過程 +------------------------------- * @socket_create * @socket_connect * @socket_write * @socket_read * @socket_close +-------------------------------- */ $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); if ($socket < 0) { echo "socket_create() failed: reason: " . socket_strerror($socket) . "\n"; }else { echo "OK.\n"; } echo "試圖連線 '$ip' 埠 '$port'...\n"; $result = socket_connect($socket, $ip, $port); if ($result < 0) { echo "socket_connect() failed.\nReason: ($result) " . socket_strerror($result) . "\n"; }else { echo "連線OK\n"; } $in = "Ho\r\n"; $in .= "first blood\r\n"; $out = ''; if(!socket_write($socket, $in, strlen($in))) { echo "socket_write() failed: reason: " . socket_strerror($socket) . "\n"; }else { echo "傳送到伺服器資訊成功！\n"; echo "傳送的內容為:<font color='red'>$in</font> <br>"; } while($out = socket_read($socket, 8192)) { echo "接收伺服器回傳資訊成功！\n"; echo "接受的內容為:",$out; } echo "關閉SOCKET...\n"; socket_close($socket); echo "關閉OK\n"; ?>
先執行服務端server.php
再執行客戶端發資料包