/**
* 自定义异常处理
*
* @param mixed $e 异常对象
*/
public function appException(&$e)
{
if (Cml::$debug) {
$run = new Run();
$run->pushHandler(Request::isCli() ? new PlainTextHandler() : new PrettyPageHandler());
$run->handleException($e);
} else {
$error = [];
$error['message'] = $e->getMessage();
$trace = $e->getTrace();
$error['files'][0] = $trace[0];
if (substr($e->getFile(), -20) !== '\\Tools\\functions.php' || $e->getLine() !== 90) {
array_unshift($error['files'], ['file' => $e->getFile(), 'line' => $e->getLine(), 'type' => 'throw']);
}
//正式环境 只显示‘系统错误’并将错误信息记录到日志
Log::emergency($error['message'], [$error['files'][0]]);
$error = [];
$error['message'] = Lang::get('_CML_ERROR_');
if (Request::isCli()) {
\Cml\pd($error);
} else {
header('HTTP/1.1 500 Internal Server Error');
View::getEngine('html')->reset()->assign('error', $error);
Cml::showSystemTemplate(Config::get('html_exception'));
}
}
exit;
}
/**
* 自定义异常处理
*
* @param mixed $e 异常对象
*/
public function appException(&$e)
{
$error = [];
$exceptionClass = new \ReflectionClass($e);
$error['exception'] = '\\' . $exceptionClass->name;
$error['message'] = $e->getMessage();
$trace = $e->getTrace();
foreach ($trace as $key => $val) {
$error['files'][$key] = $val;
}
if (substr($e->getFile(), -20) !== '\\Tools\\functions.php' || $e->getLine() !== 90) {
array_unshift($error['files'], ['file' => $e->getFile(), 'line' => $e->getLine(), 'type' => 'throw']);
}
if (!Cml::$debug) {
//正式环境 只显示‘系统错误’并将错误信息记录到日志
Log::emergency($error['message'], [$error['files'][0]]);
$error = [];
$error['message'] = Lang::get('_CML_ERROR_');
}
if (Request::isCli()) {
pd($error);
} else {
header('HTTP/1.1 500 Internal Server Error');
View::getEngine('html')->reset()->assign('error', $error);
Cml::showSystemTemplate(Config::get('html_exception'));
}
}
/**
* 自定义异常处理
*
* @access public
* @param mixed $e 异常对象
*/
public static function appException($e)
{
Plugin::hook('cml.before_throw_exception', $e);
$error = array();
$error['message'] = $e->getMessage();
$trace = $e->getTrace();
foreach ($trace as $key => $val) {
$error['files'][$key] = $val;
}
if (!$GLOBALS['debug']) {
//正式环境 只显示‘系统错误’并将错误信息记录到日志
Log::emergency($error['message'], array($error['files'][0]));
$error = array();
$error['message'] = Lang::get('_CML_ERROR_');
}
if (Request::isCli()) {
pd($error);
} else {
header('HTTP/1.1 500 Internal Server Error');
require Config::get('html_exception');
}
}
/**
* 根据key获取redis实例
* 这边还是用取模的方式，一致性hash用php实现性能开销过大。取模的方式对只有几台机器的情况足够用了
* 如果有集群需要，直接使用redis3.0+自带的集群功能就好了。不管是可用性还是性能都比用php自己实现好
*
* @param $key
*
* @return \Redis
*/
private function hash($key)
{
$serverNum = count($this->conf['server']);
$success = sprintf('%u', crc32($key)) % $serverNum;
if (!isset($this->redis[$success]) || !is_object($this->redis[$success])) {
$instance = new \Redis();
$connectToRedisFunction = function ($host, $port, $isPersistentConnect) use($instance) {
if ($isPersistentConnect) {
return $instance->pconnect($host, $port, 1.5);
} else {
return $instance->connect($host, $port, 1.5);
}
};
$isPersistentConnect = !(isset($this->conf['server'][$success]['pconnect']) && $this->conf['server'][$success]['pconnect'] === false);
$connectResult = $connectToRedisFunction($this->conf['server'][$success]['host'], $this->conf['server'][$success]['port'], $isPersistentConnect);
$failOver = null;
if (!$connectResult && !empty($this->conf['back'])) {
$failOver = $this->conf['back'];
$isPersistentConnect = !(isset($failOver['pconnect']) && $failOver['pconnect'] === false);
$connectResult = $connectToRedisFunction($failOver['host'], $failOver['port'], $isPersistentConnect);
}
if (!$connectResult && $serverNum > 1) {
$failOver = $success + 1;
$failOver >= $serverNum && ($failOver = $success - 1);
$failOver = $this->conf['server'][$failOver];
$isPersistentConnect = !(isset($failOver['pconnect']) && $failOver['pconnect'] === false);
$connectResult = $connectToRedisFunction($failOver['host'], $failOver['port'], $isPersistentConnect);
}
if (!$connectResult) {
Plugin::hook('cml.cache_server_down', [$this->conf['server'][$success]]);
throw new CacheConnectFailException(Lang::get('_CACHE_CONNECT_FAIL_', 'Redis', $this->conf['server'][$success]['host'] . ':' . $this->conf['server'][$success]['port']));
}
$password = false;
if (is_null($failOver)) {
if (isset($this->conf['server'][$success]['password']) && !empty($this->conf['server'][$success]['password'])) {
$password = $this->conf['server'][$success]['password'];
}
isset($this->conf['server'][$success]['db']) && $instance->select($this->conf['server'][$success]['db']);
} else {
if (isset($failOver['password']) && !empty($failOver['password'])) {
$password = $failOver['password'];
}
isset($failOver['db']) && $instance->select($failOver['db']);
Log::emergency('redis server down', ['downServer' => $this->conf['server'][$success], 'failOverTo' => $failOver]);
Plugin::hook('cml.redis_server_down_fail_over', ['downServer' => $this->conf['server'][$success], 'failOverTo' => $failOver]);
}
if ($password && !$instance->auth($password)) {
throw new \RuntimeException('redis password error!');
}
$instance->setOption(\Redis::OPT_PREFIX, $this->conf['prefix']);
$this->redis[$success] = $instance;
}
return $this->redis[$success];
}
/**
* 使用的缓存配置 默认为使用default_cache配置的参数
*
* @param bool｜array $conf
*
* @throws CacheConnectFailException | PhpExtendNotInstall
*/
public function __construct($conf = false)
{
$this->conf = $conf ? $conf : Config::get('default_cache');
if (extension_loaded('Memcached')) {
$this->memcache = new \Memcached('cml_memcache_pool');
$this->type = 1;
} elseif (extension_loaded('Memcache')) {
$this->memcache = new \Memcache();
$this->type = 2;
} else {
throw new PhpExtendNotInstall(Lang::get('_CACHE_EXTEND_NOT_INSTALL_', 'Memcached/Memcache'));
}
if (!$this->memcache) {
throw new PhpExtendNotInstall(Lang::get('_CACHE_NEW_INSTANCE_ERROR_', 'Memcache'));
}
$singleNodeDownFunction = function ($host, $port) {
//这边挂掉调用此回调在几s内只会调用一次。其它情况使用memcache方法均返回flase不报错
Plugin::hook('cml.cache_server_down', ['host' => $host, 'port' => $port]);
Log::emergency('memcache server down', ['downServer' => ['host' => $host, 'port' => $port]]);
};
$allNodeDownFunction = function ($serverList) {
Plugin::hook('cml.cache_server_down', $this->conf['server'], $serverList);
//全挂
throw new CacheConnectFailException(Lang::get('_CACHE_CONNECT_FAIL_', 'Memcache', json_encode($serverList)));
};
$downServer = 0;
if ($this->type == 2) {
//memcache
foreach ($this->conf['server'] as $val) {
if (!$this->memcache->addServer($val['host'], $val['port'])) {
Log::emergency('memcache server down', ['downServer' => $val]);
}
}
$this->memcache->setFailureCallback($singleNodeDownFunction);
$serverList = $this->memcache->getextendedstats();
foreach ($serverList as $server => $status) {
$status || $downServer++;
}
if (count($serverList) <= $downServer) {
$allNodeDownFunction($serverList);
}
return;
}
if (md5(json_encode($this->conf['server'])) !== md5(json_encode($this->memcache->getServerList()))) {
$this->memcache->quit();
$this->memcache->resetServerList();
$this->memcache->addServers(array_values($this->conf['server']));
$this->memcache->setOptions([\Memcached::OPT_PREFIX_KEY => $this->conf['prefix'], \Memcached::OPT_DISTRIBUTION => \Memcached::DISTRIBUTION_CONSISTENT, \Memcached::OPT_LIBKETAMA_COMPATIBLE => true, \Memcached::OPT_SERVER_FAILURE_LIMIT => 1, \Memcached::OPT_RETRY_TIMEOUT => 30, \Memcached::OPT_AUTO_EJECT_HOSTS => true, \Memcached::OPT_REMOVE_FAILED_SERVERS => true]);
\Memcached::HAVE_JSON && $this->memcache->setOption(\Memcached::OPT_SERIALIZER, \Memcached::SERIALIZER_JSON_ARRAY);
}
$serverStatus = $this->memcache->getStats();
foreach ($serverStatus as $server => $status) {
if ($status['pid'] < 1) {
$downServer++;
$server = explode(':', $server);
$singleNodeDownFunction($server[0], $server[1]);
}
}
if (count($serverStatus) <= $downServer) {
$allNodeDownFunction($serverStatus);
}
}