/**
* 开始会话
*/
public function open()
{
if (!$this->_opened) {
$this->sessionStart();
if ($this->_sessionId == '') {
$this->_opened = false;
Sky::log('Failed to start session.', Logger::LEVEL_WARNING, __METHOD__);
} else {
$this->_opened = true;
}
}
}
/**
* 开始会话
*/
public function open()
{
// this is available in PHP 5.4.0+
// if (function_exists('session_status')) {
// if (session_status() == PHP_SESSION_ACTIVE) {
// $this->_opened = true;
// return;
// }
// }
if (!$this->_opened) {
if ($this->getUseCustomStorage()) {
@session_set_save_handler(array($this, 'openSession'), array($this, 'closeSession'), array($this, 'readSession'), array($this, 'writeSession'), array($this, 'destroySession'), array($this, 'gcSession'));
}
@session_start();
if (session_id() == '') {
$this->_opened = false;
$error = error_get_last();
$message = isset($error['message']) ? $error['message'] : 'Failed to start session.';
Sky::log($message, Logger::LEVEL_WARNING, __METHOD__);
} else {
$this->_opened = true;
}
}
}
/**
*
* @param mixed $obj any type of variable to profile memory
* @param string $msg message to be logged
* @param string $category category of the message (e.g. 'system.web'). It is case-insensitive.
*/
public static function logMemory($obj, $msg = '', $category = 'application')
{
if (is_string($obj)) {
$memory = \Sky\Sky::getLogger()->getMemoryUsage();
$msg = $obj;
} else {
$memory = strlen(serialize($obj));
}
$type = gettype($obj);
\Sky\Sky::log("[{$memory}][{$type}] {$msg}", 'memory', $category);
}
/**
* 处理队列中的消息
* 该方法会先从队列中取出消息，然后放到{@link $_msgArray}中。
* 当满足读取消息超时或消息间隔超时或收到{@link $maxExecCount}
* 个消息后，会调用{@link processMsg()}方法。
* @return boolean
*/
public function consume()
{
echo "begin consume message...\n";
$pid = getmypid();
while (!$this->_isFinished) {
try {
$this->_beginTime = time();
$this->_rabbit->queue->consume(array($this, 'myCallback'), 'update' . $pid);
} catch (\Exception $e) {
if (!$this->_rabbit->isConnected()) {
echo "connection timeout\n";
echo $e->getMessage();
return false;
} else {
echo "it has been too long since previous message.begin process..\n";
}
}
try {
$this->cancelQueue('update' . $pid);
$ret = $this->processMsg($this->_msgArray);
echo "process " . count($this->_msgArray) . " msg over.\n";
if (SKY_DEBUG && $this->_counter > 0) {
$avgTime = sprintf('%01.2f', $this->_totalTime / $this->_counter);
// $avgTime=$this->_totalTime/$this->_counter;
Sky::log("msg:{$this->_counter} avg queue time:{$avgTime} ms");
}
if ($ret === FALSE) {
$this->_msgArray = array();
return;
}
} catch (\Exception $e) {
echo $e->getMessage();
$this->_msgArray = array();
return false;
}
$this->_msgArray = array();
$this->_counter = 0;
$this->_totalTime = 0;
}
}
/**
* 处理PHP异常错误，如警告，通知。
*
* 这个方法实现了一个PHP的error handler。
* 它需要常量SKY_ENABLE_ERROR_HANDLER被定义为true。
*
* 应用程序将被此方法终止。
*
* @param integer $code 发起错误的等级
* @param string $message 错误消息
* @param string $file 发起错误的文件
* @param integer $line 发起错误的行号
*/
public function handleError($code, $message, $file, $line)
{
if ($code & error_reporting()) {
// disable error capturing to avoid recursive errors
restore_error_handler();
restore_exception_handler();
$log = $message . ' (' . $file . ':' . $line . ")\nStack trace:\n";
$trace = debug_backtrace();
// skip the first 3 stacks as they do not tell the error position
if (count($trace) > 3) {
$trace = array_slice($trace, 3);
}
foreach ($trace as $i => $t) {
if (!isset($t['file'])) {
$t['file'] = 'unknown';
}
if (!isset($t['line'])) {
$t['line'] = 0;
}
if (!isset($t['function'])) {
$t['function'] = 'unknown';
}
$log .= "#{$i} {$t['file']}({$t['line']}): ";
if (isset($t['object']) && is_object($t['object'])) {
$log .= get_class($t['object']) . '->';
}
$log .= "{$t['function']}()\n";
}
if (isset($_SERVER['REQUEST_URI'])) {
$log .= 'REQUEST_URI=' . $_SERVER['REQUEST_URI'];
}
$log .= "\n---";
\Sky\Sky::log($log, \Sky\logging\Logger::LEVEL_ERROR, 'php');
if (!class_exists('\\Sky\\base\\ErrorHandler', false)) {
require_once __DIR__ . '/ErrorHandler.php';
}
if (($handler = $this->getErrorHandler()) !== null) {
$handler->handleError($code, $message, $file, $line);
} else {
$this->displayError($code, $message, $file, $line);
}
$this->end(1);
}
}