function server_loop()
{
while (true) {
$read_fds = $this->fds;
$write = $exp = null;
if (stream_select($read_fds, $write, $exp, null)) {
foreach ($read_fds as $socket) {
$socket_id = (int) $socket;
if ($socket_id == $this->server_socket_id) {
if ($client_socket_id = parent::accept()) {
$this->fds[$client_socket_id] = $this->client_sock[$client_socket_id];
$this->protocol->onConnect($this, $client_socket_id, 0);
}
} else {
$data = Stream::read($socket, $this->buffer_size);
if ($data !== false) {
$this->protocol->onReceive($this, $socket_id, 0, $data);
} else {
$this->close($socket_id);
}
}
}
}
}
}
/**
* @param int $length
* @return string
*/
public function read($length)
{
$content = parent::read($length);
if ($content && !$this->reachedEof) {
$this->cache .= $content;
}
if ($this->eof()) {
$this->reachedEof = true;
}
return $content;
}
function server_loop()
{
while ($this->client_sock[0] = stream_socket_accept($this->server_sock, -1)) {
stream_set_blocking($this->client_sock[0], 1);
if (feof($this->client_sock[0])) {
$this->close(0);
}
//堵塞Server必须读完全部数据
$data = Stream::read($this->client_sock[0], $this->buffer_size);
$this->protocol->onReceive($this, 0, 0, $data);
}
}
public function read($bytes, &$bytes_skipped = null)
{
if ($bytes !== 0) {
$this->current_content .= parent::read($bytes, $bytes_skipped);
}
$misc = null;
$matching_content = $this->scan($this->current_content, $misc);
if ($matching_content) {
$found_pos = strpos($this->current_content, $matching_content);
$bytes_skipped = substr($this->current_content, 0, $found_pos);
$this->current_content = substr($this->current_content, $found_pos + strlen($matching_content));
return $this->mutateIn($matching_content, $misc);
} else {
if (parent::eof()) {
$this->current_content = '';
}
return null;
}
}
/**
* @return array|bool
*/
protected function parseSizeForJPEG()
{
$state = null;
while (true) {
switch ($state) {
default:
$this->stream->read(2);
$state = 'started';
break;
case 'started':
$b = $this->getByte();
if ($b === false) {
return false;
}
$state = $b == 0xff ? 'sof' : 'started';
break;
case 'sof':
$b = $this->getByte();
if ($b === 0xe1) {
$data = $this->stream->read($this->readInt($this->stream->read(2)) - 2);
$stream = new Stream();
$stream->write($data);
if ($stream->read(4) === 'Exif') {
$stream->read(2);
$exif = new Faster_Image_B52f1a8_Exif_Parser($stream);
}
break;
}
if (in_array($b, range(0xe0, 0xef))) {
$state = 'skipframe';
break;
}
if (in_array($b, array_merge(range(0xc0, 0xc3), range(0xc5, 0xc7), range(0xc9, 0xcb), range(0xcd, 0xcf)))) {
$state = 'readsize';
break;
}
if ($b == 0xff) {
$state = 'sof';
break;
}
$state = 'skipframe';
break;
case 'skipframe':
$skip = $this->readInt($this->stream->read(2)) - 2;
$this->stream->read($skip);
$state = 'started';
break;
case 'readsize':
$c = $this->stream->read(7);
$size = array($this->readInt(substr($c, 5, 2)), $this->readInt(substr($c, 3, 2)));
if (isset($exif) && $exif->isRotated()) {
return array_reverse($size);
}
return $size;
}
}
return false;
}
/**
* Extracts post-game data (achievements etc) from the body stream.
*
* Post-game data will be set on $this->postgameData.
*
* @param Stream $stream Body stream to extract from.
*
* @return void
*/
protected function readPostgameData($stream)
{
// Prize for ugliest, most boring method of the project goes to…
$data = new \stdClass();
$stream->skip(3);
$stream->read($scenarioFilename, 32);
$data->scenarioFilename = rtrim($scenarioFilename);
$stream->skip(4);
$stream->readInt($data->duration);
$stream->readChar($data->allowCheats);
$stream->readChar($data->complete);
$stream->skip(14);
$stream->readChar($data->mapSize);
$stream->readChar($data->mapId);
$stream->readChar($data->population);
$stream->skip(1);
$stream->readChar($data->victory);
$stream->readChar($data->startingAge);
$stream->readChar($data->resources);
$stream->readChar($data->allTechs);
$stream->readChar($data->teamTogether);
$stream->readChar($data->revealMap);
$stream->skip(3);
$stream->readChar($data->lockTeams);
$stream->readChar($data->lockSpeed);
$stream->skip(1);
$players = array();
for ($i = 0; $i < 8; $i++) {
$playerStats = new \stdClass();
$stream->read($playerName, 16);
$playerStats->name = rtrim($playerName);
$stream->readWord($playerStats->totalScore);
$totalScores = array();
for ($j = 0; $j < 8; $j++) {
$stream->readWord($totalScores[$j]);
}
$playerStats->totalScores = $totalScores;
$stream->readChar($playerStats->victory);
$stream->readChar($playerStats->civId);
$stream->readChar($playerStats->colorId);
$stream->readChar($playerStats->team);
$stream->skip(2);
$stream->readChar($playerStats->mvp);
$stream->skip(3);
$stream->readChar($playerStats->result);
$stream->skip(3);
$militaryStats = new \stdClass();
$stream->readWord($militaryStats->score);
$stream->readWord($militaryStats->unitsKilled);
$stream->readWord($militaryStats->u0);
$stream->readWord($militaryStats->unitsLost);
$stream->readWord($militaryStats->buildingsRazed);
$stream->readWord($militaryStats->u1);
$stream->readWord($militaryStats->buildingsLost);
$stream->readWord($militaryStats->unitsConverted);
$playerStats->militaryStats = $militaryStats;
$stream->skip(32);
$economyStats = new \stdClass();
$stream->readWord($economyStats->score);
$stream->readWord($economyStats->u0);
$stream->readInt($economyStats->foodCollected);
$stream->readInt($economyStats->woodCollected);
$stream->readInt($economyStats->stoneCollected);
$stream->readInt($economyStats->goldCollected);
$stream->readWord($economyStats->tributeSent);
$stream->readWord($economyStats->tributeReceived);
$stream->readWord($economyStats->tradeProfit);
$stream->readWord($economyStats->relicGold);
$playerStats->economyStats = $economyStats;
$stream->skip(16);
$techStats = new \stdClass();
$stream->readWord($techStats->score);
$stream->readWord($techStats->u0);
$stream->readInt($techStats->feudalTime);
$stream->readInt($techStats->castleTime);
$stream->readInt($techStats->imperialTime);
$stream->readChar($techStats->mapExploration);
$stream->readChar($techStats->researchCount);
$stream->readChar($techStats->researchPercent);
$playerStats->techStats = $techStats;
$stream->skip(1);
$societyStats = new \stdClass();
$stream->readWord($societyStats->score);
$stream->readChar($societyStats->totalWonders);
$stream->readChar($societyStats->totalCastles);
$stream->readChar($societyStats->relicsCaptured);
$stream->readChar($societyStats->u0);
$stream->readWord($societyStats->villagerHigh);
$playerStats->societyStats = $societyStats;
$stream->skip(84);
$players[] = $playerStats;
}
$data->players = $players;
$stream->skip(4);
$this->postgameData = $data;
}
/**
* 接收到数据后进行处理
* @param $client_socket
* @param $events
* @param $arg
* @return unknown_type
*/
function event_receive($client_socket, $events, $client_id)
{
$data = Stream::read($client_socket, $this->buffer_size);
if ($data !== false) {
$this->protocol->onReceive($this, $client_id, 0, $data);
} else {
$this->close($client_id);
}
}
/**
* Waits for the server to send the specified tag back.
*
* @param string $tag Tag to wait for from the server.
*
* @return boolean|SimpleXMLElement
*/
protected function waitForServer($tag)
{
$this->_logger->debug("Tag we're waiting for: " . $tag);
$fromServer = false;
// If there is nothing left in the buffer, wait for the stream to update
if (count($this->_buffer) == 0 && $this->_stream->select() > 0) {
$response = '';
$done = false;
// Read data from the connection.
while (!$done) {
$response .= $this->_stream->read(4096);
if ($this->_stream->select() == 0) {
$done = true;
}
}
$this->_logger->debug('Response (Xmpp_Connection): ' . $response);
// If the response isn't empty, load it into a SimpleXML element
if (trim($response) != '') {
// If the response from the server starts (where "starts
// with" means "appears after the xml prologue if one is
// present") with "<stream:stream and it doesn't have a
// closing "</stream:stream>" then we should append one so
// that it can be easily loaded into a SimpleXMLElement,
// otherwise it will cause an error to be thrown because of
// malformed XML.
// Check if response starts with XML Prologue:
if (preg_match("/^<\\?xml version='1.0'( encoding='UTF-8')?\\?>/", $response, $matches) == 1) {
$offset = strlen($matches[0]);
$prologue = $matches[0];
} else {
$offset = 0;
}
// Check if first part of the actual response starts with
// <stream:stream
if (strpos($response, '<stream:stream ') === $offset) {
// If so, append a closing tag
$response .= '</stream:stream>';
}
// For consistent handling and correct stream namespace
// support, we should wrap all responses in the
// stream:stream tags to make sure everything works as
// expected. Unless the response already contains such tags.
if (strpos($response, '<stream:stream') === false) {
$response = '<stream:stream ' . 'xmlns:stream="http://etherx.jabber.org/streams" ' . "xmlns:ack='http://www.xmpp.org/extensions/xep-0198.html#ns' " . 'xmlns="jabber:client" ' . 'from="' . $this->_realm . '" ' . 'xml:lang="en" version="1.0">' . $response . '</stream:stream>';
}
// If the xml prologue should be at the start, move it
// because it will now be in the wrong place. We can assume
// if $offset is not 0 that there was a prologue.
if ($offset != 0) {
$response = $prologue . str_replace($prologue, '', $response);
}
$xml = simplexml_load_string($response);
// If we want the stream element itself, just return that,
// otherwise check the contents of the stream.
if ($tag == 'stream:stream') {
$fromServer = $xml;
} else {
if ($xml instanceof SimpleXMLElement && $xml->getName() == 'stream') {
// Get the namespaces used at the root level of the
// document. Add a blank namespace on for anything that
// isn't namespaced. Then we can iterate over all of the
// elements in the doc.
$namespaces = $xml->getNamespaces();
$namespaces['blank'] = '';
foreach ($namespaces as $namespace) {
foreach ($xml->children($namespace) as $child) {
if ($child instanceof SimpleXMLElement) {
$this->_buffer[] = $child;
}
}
}
}
}
}
}
$this->_logger->debug('Contents of $fromServer: ' . var_export($fromServer, true));
$this->_logger->debug('Contents of $this->_buffer before foreach: ' . var_export($this->_buffer, true));
// Now go over what is in the buffer and return anything necessary
foreach ($this->_buffer as $key => $stanza) {
// Only bother looking for more tags if one has not yet been found.
if ($fromServer === false) {
// Remove this element from the buffer because we do not want it to
// be processed again.
unset($this->_buffer[$key]);
// If this the tag we want, save it for returning.
if ($tag == '*' || $stanza->getName() == $tag) {
$fromServer = $stanza;
}
}
}
$this->_logger->debug('Contents of $this->_buffer after foreach: ' . var_export($this->_buffer, true));
return $fromServer;
}
public function read($length)
{
parent::read($length);
return fread($this->stream, $length);
}
public function positionAfterReOpen()
{
$s = new Stream();
$s->open(STREAM_MODE_WRITE);
$s->write('GIF89a');
$s->close();
$s->open(STREAM_MODE_READ);
$this->assertEquals(0, $s->tell());
$this->assertEquals('GIF89a', $s->read());
$s->close();
}
