PHP socket_setopt函数代码示例

 /**
  * start the server
  *
  * @access   public
  */
 function start()
 {
     if (!function_exists('pcntl_fork')) {
         return $this->raiseError('Needs pcntl extension to fork processes.', NET_SERVER_ERROR_PCNTL_REQUIRED);
     }
     $this->initFD = @socket_create($this->protocol, SOCK_STREAM, 0);
     if (!$this->initFD) {
         return $this->raiseError("Could not create socket.");
     }
     //    adress may be reused
     socket_setopt($this->initFD, SOL_SOCKET, SO_REUSEADDR, 1);
     //    bind the socket
     if (!@socket_bind($this->initFD, $this->domain, $this->port)) {
         $error = $this->getLastSocketError($this->initFd);
         @socket_close($this->initFD);
         return $this->raiseError("Could not bind socket to " . $this->domain . " on port " . $this->port . " (" . $error . ").");
     }
     //    listen on selected port
     if (!@socket_listen($this->initFD, $this->maxQueue)) {
         $error = $this->getLastSocketError($this->initFd);
         @socket_close($this->initFD);
         return $this->raiseError("Could not listen (" . $error . ").");
     }
     $this->_sendDebugMessage("Listening on port " . $this->port . ". Server started at " . date("H:i:s", time()));
     if (method_exists($this->callbackObj, "onStart")) {
         $this->callbackObj->onStart();
     }
     // Dear children, please do not become zombies
     pcntl_signal(SIGCHLD, SIG_IGN);
     // wait for incmoning connections
     while (true) {
         // new connection
         if ($fd = socket_accept($this->initFD)) {
             $pid = pcntl_fork();
             if ($pid == -1) {
                 return $this->raiseError('Could not fork child process.');
             } elseif ($pid == 0) {
                 // this is not the parent
                 $this->_isParent = false;
                 // store the new file descriptor
                 $this->clientFD[0] = $fd;
                 $peer_host = "";
                 $peer_port = "";
                 socket_getpeername($this->clientFD[0], $peer_host, $peer_port);
                 $this->clientInfo = array("host" => $peer_host, "port" => $peer_port, "connectOn" => time());
                 $this->_sendDebugMessage("New connection from " . $peer_host . " on port " . $peer_port . ", new pid: " . getmypid());
                 if (method_exists($this->callbackObj, "onConnect")) {
                     $this->callbackObj->onConnect(0);
                 }
                 $this->serviceRequest();
                 $this->closeConnection();
                 exit;
             } else {
                 // the parent process does not have to do anything
             }
         }
     }
 }

 /**
  * Bind
  *
  * @return  bool success
  * @throws  peer.SocketException in case of an error
  */
 public function bind($reuse = false)
 {
     if (false === socket_setopt($this->_sock, SOL_SOCKET, SO_REUSEADDR, $reuse) || false === socket_bind($this->_sock, $this->host, $this->port)) {
         throw new SocketException(sprintf('Binding socket to ' . $this->host . ':' . $this->port . ' failed: %s', $this->getLastError()));
     }
     // Update socket host and port
     socket_getsockname($this->_sock, $this->host, $this->port);
     return true;
 }

 function acceptConnection(&$socket)
 {
     for ($i = 0; $i <= count($this->_server->clientFD); $i++) {
         if (!isset($this->_server->clientFD[$i]) || $this->_server->clientFD[$i] == null) {
             $this->_server->clientFD[$i] = socket_accept($socket);
             socket_setopt($this->_server->clientFD[$i], SOL_SOCKET, SO_REUSEADDR, 1);
             $peer_host = "";
             $peer_port = "";
             socket_getpeername($this->_server->clientFD[$i], $peer_host, $peer_port);
             $this->_server->clientInfo[$i] = array("host" => $peer_host, "port" => $peer_port, "connectOn" => time());
             // $this->clients++;
             $this->_server->_sendDebugMessage("New connection (" . $i . ") from " . $peer_host . " on port " . $peer_port);
             if (method_exists($this->_server->callbackObj, "onConnect")) {
                 $this->_server->callbackObj->onConnect($i);
             }
             return $i;
         }
     }
 }

 function run()
 {
     if (($sock = socket_create(AF_INET, SOCK_STREAM, 0)) < 0) {
         return $this->_raiseSoapFault("socket_create() failed: reason: " . socket_strerror($sock));
     }
     if ($this->reuse && !@socket_setopt($sock, SOL_SOCKET, SO_REUSEADDR, 1)) {
         return $this->_raiseSoapFault("socket_setopt() failed: reason: " . socket_strerror(socket_last_error($sock)));
     }
     if (($ret = socket_bind($sock, $this->localaddr, $this->port)) < 0) {
         return $this->_raiseSoapFault("socket_bind() failed: reason: " . socket_strerror($ret));
     }
     # print "LISTENING on {$this->localaddr}:{$this->port}\n";
     if (($ret = socket_listen($sock, $this->listen)) < 0) {
         return $this->_raiseSoapFault("socket_listen() failed: reason: " . socket_strerror($ret));
     }
     do {
         $data = NULL;
         if (($msgsock = socket_accept($sock)) < 0) {
             $this->_raiseSoapFault("socket_accept() failed: reason: " . socket_strerror($msgsock));
             break;
         }
         # print "Accepted connection\n";
         while ($buf = socket_read($msgsock, 8192)) {
             if (!($buf = trim($buf))) {
                 continue;
             }
             $data .= $buf;
         }
         if ($data) {
             $response = $this->service($data);
             # write to the socket
             if (!socket_write($msgsock, $response, strlen($response))) {
                 return $this->_raiseSoapFault('Error sending response data reason ' . socket_strerror());
             }
         }
         socket_close($msgsock);
     } while (true);
     socket_close($sock);
 }

 function run()
 {
     if (($sock = socket_create(AF_INET, SOCK_STREAM, 0)) < 0) {
         return $this->_raiseSoapFault('socket_create() failed. Reason: ' . socket_strerror($sock));
     }
     if ($this->reuse && !@socket_setopt($sock, SOL_SOCKET, SO_REUSEADDR, 1)) {
         return $this->_raiseSoapFault('socket_setopt() failed. Reason: ' . socket_strerror(socket_last_error($sock)));
     }
     if (($ret = socket_bind($sock, $this->localaddr, $this->port)) < 0) {
         return $this->_raiseSoapFault('socket_bind() failed. Reason: ' . socket_strerror($ret));
     }
     if (($ret = socket_listen($sock, $this->listen)) < 0) {
         return $this->_raiseSoapFault('socket_listen() failed. Reason: ' . socket_strerror($ret));
     }
     while (true) {
         $data = null;
         if (($msgsock = socket_accept($sock)) < 0) {
             $this->_raiseSoapFault('socket_accept() failed. Reason: ' . socket_strerror($msgsock));
             break;
         }
         while ($buf = socket_read($msgsock, 8192)) {
             if (!($buf = trim($buf))) {
                 continue;
             }
             $data .= $buf;
         }
         if ($data) {
             $response = $this->service($data);
             /* Write to the socket. */
             if (!socket_write($msgsock, $response, strlen($response))) {
                 return $this->_raiseSoapFault('Error sending response data reason ' . socket_strerror());
             }
         }
         socket_close($msgsock);
     }
     socket_close($sock);
 }

 function socket_set_option($sock, $type, $opt, $value)
 {
     socket_setopt($sock, $type, $opt, $value);
 }

 for ($i = 0; $i < FD_SETSIZE; $i++) {
     if ($client[$i] != null) {
         $rfds[$i + 1] = $client[$i];
     }
 }
 // block indefinitely until we receive a connection...
 $nready = socket_select($rfds, $null, $null, null);
 // if we have a new connection, stick it in the $client array,
 if (in_array($listenfd, $rfds)) {
     if (DEBUG) {
         print "listenfd heard something, setting up new client\n";
     }
     for ($i = 0; $i < FD_SETSIZE; $i++) {
         if ($client[$i] == null) {
             $client[$i] = socket_accept($listenfd);
             socket_setopt($client[$i], SOL_SOCKET, SO_REUSEADDR, 1);
             socket_getpeername($client[$i], $remote_host[$i], $remote_port[$i]);
             if (DEBUG) {
                 print "Accepted {$remote_host[$i]}:{$remote_port[$i]} as client[{$i}]\n";
             }
             break;
         }
         if ($i == FD_SETSIZE - 1) {
             trigger_error("too many clients", E_USER_ERROR);
             exit;
         }
     }
     if ($i > $maxi) {
         $maxi = $i;
     }
     if (--$nready <= 0) {

 /**
  * Accepts a new connection.
  *
  * @param resource $ &$socket    socket that received the new connection
  * @return int $clientID   internal ID of the client
  */
 public function acceptConnection(&$socket)
 {
     for ($i = 0; $i <= count($this->clientFD); $i++) {
         if (!isset($this->clientFD[$i]) || $this->clientFD[$i] == null) {
             $this->clientFD[$i] = socket_accept($socket);
             socket_setopt($this->clientFD[$i], SOL_SOCKET, SO_REUSEADDR, 1);
             $peer_host = "";
             $peer_port = "";
             socket_getpeername($this->clientFD[$i], $peer_host, $peer_port);
             $this->clientInfo[$i] = array("host" => $peer_host, "port" => $peer_port, "connectOn" => time());
             $this->clients++;
             $this->handler->onConnect($i);
             return $i;
         }
     }
 }

 function init_sockets()
 {
     global $CFG;
     $this->trace('Setting up sockets');
     if (false === ($this->listen_socket = socket_create(AF_INET, SOCK_STREAM, 0))) {
         // Failed to create socket
         $lasterr = socket_last_error();
         $this->fatal('socket_create() failed: ' . socket_strerror($lasterr) . ' [' . $lasterr . ']');
     }
     //socket_close($DAEMON->listen_socket);
     //die();
     if (!socket_bind($this->listen_socket, $CFG->chat_serverip, $CFG->chat_serverport)) {
         // Failed to bind socket
         $lasterr = socket_last_error();
         $this->fatal('socket_bind() failed: ' . socket_strerror($lasterr) . ' [' . $lasterr . ']');
     }
     if (!socket_listen($this->listen_socket, $CFG->chat_servermax)) {
         // Failed to get socket to listen
         $lasterr = socket_last_error();
         $this->fatal('socket_listen() failed: ' . socket_strerror($lasterr) . ' [' . $lasterr . ']');
     }
     // Socket has been initialized and is ready
     $this->trace('Socket opened on port ' . $CFG->chat_serverport);
     // [pj]: I really must have a good read on sockets. What exactly does this do?
     // http://www.unixguide.net/network/socketfaq/4.5.shtml is still not enlightening enough for me.
     socket_setopt($this->listen_socket, SOL_SOCKET, SO_REUSEADDR, 1);
     socket_set_nonblock($this->listen_socket);
 }

 function _acceptCalls()
 {
     $maxi = -1;
     for ($i = 0; $i < $this->_fd_set_size; $i++) {
         $this->_clientFD[$i] = null;
     }
     while (true) {
         $rfds[0] =& $this->_sock;
         for ($i = 0; $i < $this->_fd_set_size; $i++) {
             if ($this->_clientFD[$i] != null) {
                 $rfds[$i + 1] = $this->_clientFD[$i];
             }
         }
         // block indefinitely until we receive a connection...
         $nready = socket_select($rfds, $null, $null, null);
         // if we have a new connection, stick it in the $client array,
         if (in_array($this->_sock, $rfds)) {
             //print "listenfd heard something, setting up new client\n";
             for ($i = 0; $i < $this->_fd_set_size; $i++) {
                 if ($this->_clientFD[$i] == null) {
                     $this->_clientFD[$i] = socket_accept($this->_sock);
                     socket_setopt($this->_clientFD[$i], SOL_SOCKET, SO_REUSEADDR, 1);
                     socket_getpeername($this->_clientFD[$i], $this->_remote_host[$i], $this->_remote_port[$i]);
                     if ($i == $this->_fd_set_size - 1) {
                         print "too many clients, refusing {$this->_remote_host[$i]}\n";
                         socket_write($this->_clientFD[$i], "Sorry, too many clients", 23);
                         $this->_closeClient($i);
                         break;
                     } else {
                         if (!in_array($this->_remote_host[$i], $this->_acl)) {
                             //print ("Refusing {$this->_remote_host[$i]} for ACL rules\n");
                             socket_write($this->_clientFD[$i], "Permission denied", 17);
                             $this->_closeClient($i);
                             break;
                         }
                     }
                     //print "Accepted {$this->_remote_host[$i]}:{$this->_remote_port[$i]} as client[$i]\n";
                     $talkback = $this->_help();
                     socket_write($this->_clientFD[$i], $talkback, strlen($talkback));
                     break;
                 }
             }
             if ($i > $maxi) {
                 $maxi = $i;
             }
             if (--$nready <= 0) {
                 continue;
             }
         }
         // check the clients for incoming data.
         for ($i = 0; $i <= $maxi; $i++) {
             if ($this->_clientFD[$i] == null) {
                 continue;
             }
             if (in_array($this->_clientFD[$i], $rfds)) {
                 $n = trim(socket_read($this->_clientFD[$i], REMOTE_CONSOLE_MAXLINE));
                 if (!$n) {
                     $this->_closeClient($i);
                 } else {
                     // the request string is $n
                     // build the response and put in $talkback
                     if ($n == 'q') {
                         $this->_closeClient($i);
                         continue;
                         // print the help screen
                     } else {
                         if ($n == 'h') {
                             $talkback = $this->_help();
                             // quit the whole application
                         } else {
                             if ($n == 'x') {
                                 $this->_stopApplication();
                                 break;
                             } else {
                                 // Here we manage all user-defined menu entries
                                 // if a method exist with the name [choice]actionPerformed()
                                 // this method will be executed and return string is sent
                                 // back to the client
                                 // (for example, if you have a menu like L -> list files in current dir
                                 // and you have defined the method LactionPerformed() this
                                 // method will be called)
                                 $methodName = strtoupper($n) . "actionPerformed";
                                 if (method_exists($this, $methodName)) {
                                     $talkback = "\r\n" . $this->{$methodName}() . "\r\n" . $this->_prompt;
                                 } else {
                                     if (array_key_exists(strtoupper($n), $this->_options)) {
                                         $talkback = "Sorry, feature not yet implemented.\r\n" . $this->_prompt;
                                     } else {
                                         $talkback = "\r\n" . $this->_prompt;
                                     }
                                 }
                             }
                         }
                     }
                     // send out $talkback to client
                     //print "From {$this->_remote_host[$i]}:{$this->_remote_port[$i]},   client[$i]: $n\n";
                     if ($this->_clientFD[$i] != null) {
                         socket_write($this->_clientFD[$i], $talkback, strlen($talkback));
                     }
                 }
//.........这里部分代码省略.........

 /**
  * accept a new connection
  *
  * @access   private
  * @param    resource    &$socket    socket that received the new connection
  * @return   int         $clientID   internal ID of the client
  */
 function acceptConnection(&$socket)
 {
     for ($i = 0; $i <= count($this->clientFD); $i++) {
         if (!isset($this->clientFD[$i]) || $this->clientFD[$i] == NULL) {
             $this->clientFD[$i] = socket_accept($socket);
             socket_setopt($this->clientFD[$i], SOL_SOCKET, SO_REUSEADDR, 1);
             $peer_host = '';
             $peer_port = '';
             socket_getpeername($this->clientFD[$i], $peer_host, $peer_port);
             $this->clientInfo[$i] = array('host' => $peer_host, 'port' => $peer_port, 'connectOn' => time());
             $this->clients++;
             $this->_sendDebugMessage('New connection (' . $i . ') from ' . $peer_host . ' on port ' . $peer_port);
             if (method_exists($this->callbackObj, 'onConnect')) {
                 $this->callbackObj->onConnect($i);
             }
             return $i;
         }
     }
 }

 /**
  * start the server
  *
  * @access public
  */
 function start()
 {
     if (!function_exists('pcntl_fork')) {
         die('Needs pcntl extension to fork processes.');
     }
     $this->initFD = @socket_create($this->protocol, SOCK_STREAM, 0);
     if (!$this->initFD) {
         die("Could not create socket.");
     }
     // adress may be reused
     socket_setopt($this->initFD, SOL_SOCKET, SO_REUSEADDR, 1);
     // bind the socket
     if (!@socket_bind($this->initFD, $this->domain, $this->port)) {
         $error = $this->getLastSocketError($this->initFd);
         @socket_close($this->initFD);
         die("Could not bind socket to " . $this->domain . " on port " . $this->port . " (" . $error . ").");
     }
     // listen on selected port
     if (!@socket_listen($this->initFD, $this->maxQueue)) {
         $error = $this->getLastSocketError($this->initFd);
         @socket_close($this->initFD);
         die("Could not listen (" . $error . ").");
     }
     $this->_sendDebugMessage("Listening on port " . $this->port . ". Server started at " . date("H:i:s", time()));
     if (method_exists($this->callbackObj, "onStart")) {
         $this->callbackObj->onStart();
     }
     $this->_setDefaultOptions();
     $mpmDriverFile = 'Net/Server/Driver/Multiprocess/MPM-' . $this->_mpm . '.php';
     if (!@(include_once $mpmDriverFile)) {
         die('Unknown MPM ' . $mpmDriverFile);
     }
     // starting pool of processors...
     for ($i = 0; $i < $this->_startPool; $i++) {
         $this->_threadPool[$i] =& new Net_Server_Thread_Processor($i, $this);
         $this->_threadPool[$i]->start();
         print "Started Processor " . $i . " with PID " . $this->_threadPool[$i]->getPid() . "\n";
     }
     // Multi Process Manager
     $this->_mpmObj =& new MPM($this->_threadPool, $this);
     $this->_mpmObj->start();
     print "Started MPM with PID " . $this->_mpmObj->getPid() . "\n";
     // destroy the listening primar socket, it's unuseful at this point
     @socket_close($this->initFD);
     // remote console thread
     $consoleClassName = $this->_console;
     if (!@(include_once 'Net/Server/Driver/Multiprocess/' . $consoleClassName . '.php')) {
         die('Unknown console ' . $consoleClassName);
     }
     $this->_consoleObj =& new $consoleClassName($this);
     $this->_consoleObj->start();
     print "Started remote console with PID " . $this->_consoleObj->getPid() . "\n";
 }