PHP socket 发到指定的地址
有3个用户通过socket登录到了服务端，通过mysql记录下了三个用户的IP与端口分别为：
A: 192.168.1.100:13564 B:192.168.1.100:13565 C：192.168.1.100:13566
现在我想在客户A发一个指今（包含客户B的端口），服务端接受分析后从数据库取出客户B对应的地址发个TEST字符给B
我在服务端加入如下代码，出现错误，
PHP Warning: socket_connect(): unable to connect [0]: 提供了一个无效的参数。
$conn = socket_connect ($socket, '192.168.1.100', 13565); $buffer = "ok";$command = socket_sendto($socket,$buffer,strlen($buffer),0,'192.168.1.100','192.168.1.100');
$addr = "192.168.1.121";$port = 1338;$remoteIP = "";$remotePort = "";$socket = socket_create(AF_INET,SOCK_STREAM,SOL_TCP);if($socket < 0) { echo "Socket create:".$socket_strerror($socket)."\n"; exit;}if ( ($ret = socket_bind($socket, $addr, $port)) < 0 ) { echo "socket bind:".socket_strerror()."\n"; exit;}if ( ($ret = socket_listen($socket, 5)) < 0 ) { echo "socket listen:".socket_strerror()."\n"; exit;}socket_set_nonblock($socket);echo "Wainting for a connection:\n";$clients = array($socket);while(true) { $read = $clients; if(socket_select($read, $writes=NULL, $execs=NULL, 3) < 1){ //echo "."; continue; } if(in_array($socket,$read)) { $clients[] = $newsock = socket_accept($socket); socket_set_nonblock($newsock); socket_getpeername($newsock,&$remoteIP,&$remotePort); $key = array_search($socket,$read); unset($read[$key]); $msg = "Server: $addr\r\n". "Notice:Welcome the user from ".$remoteIP.":".$remotePort.".\r\n"; echo $remoteIP.":".$remotePort." conected in.\r\n"; socket_write($newsock,$msg); } foreach($read as $read_sock) { $data = @socket_read($read_sock,1024,PHP_BINARY_READ); if($data == false) { $key = array_search($read_sock,$clients); print_r($clients[$key]); unset($clients[$key]); socket_close($read_sock); echo "Client disconnected.\n"; continue; } $command = strtoupper ($data); switch ($command) { case "LIST": $writer = print_r($clients,1); break; case "HELLO": $writer = "Hello Everybody!"; break; case "QUIT": $writer = "Bye-Bye"; break; case "SLEEP": sleep(30); $writer = "sleeped 10 seconds!"; break; case "HELP": $writer = "HELLO\tQUIT\tHELP"; break; default: $writer = "Error Command!\r\nType help for help message!"; } socket_write($read_sock, $writer); //exit; }}socket_close($socket);// Client // 设置错误处理 error_reporting (E_ALL); // 设置处理时间 set_time_limit (0); $ip = "192.168.1.121"; // IP 地址 $port = 1338; // 端口号 $socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP); // 创建一个SOCKET if ($socket) echo "socket_create() successed!\n"; else echo "socket_create() failed:".socket_strerror ($socket)."\n"; $conn = socket_connect ($socket, $ip, $port); // 建立SOCKET的连接 if ($conn) echo "Success to connection![".$ip.":".$port."]\n"; else echo "socket_connect() failed:".socket_strerror ($conn)."\n"; echo socket_read ($socket, 1024); $stdin = fopen ('php://stdin', 'r'); while (true) { $command = trim (fgets ($stdin, 1024)); socket_write ($socket, $command, strlen ($command)); $msg = trim (socket_read ($socket, 1024)); echo $msg."\n"; if ($msg == "Bye-Bye") break; } fclose ($stdin); socket_close ($socket);