public function testAllInOne()
{
// ²âÊÔ´òÓ¡µ½ÆÁÄ»
BigpipeLog::debug('[%s:%u][%s][debug]', __FILE__, __LINE__, __FUNCTION__);
BigpipeLog::trace('[%s:%u][%s][trace]', __FILE__, __LINE__, __FUNCTION__);
BigpipeLog::notice('[%s:%u][%s][notice]', __FILE__, __LINE__, __FUNCTION__);
BigpipeLog::monitor('[%s:%u][%s][monitor]', __FILE__, __LINE__, __FUNCTION__);
BigpipeLog::warning('[%s:%u][%s][warning]', __FILE__, __LINE__, __FUNCTION__);
BigpipeLog::fatal('[%s:%u][%s][fatal]', __FILE__, __LINE__, __FUNCTION__);
// ²âÊÔ²»Êä³ö´òÓ¡ÐÅÏ¢log configure
$conf = new BigpipeLogConf();
$conf->severity = BigpipeLogSeverity::FATAL;
$conf->disable_ostream = true;
$fatal_log = sprintf('[%s:%u][%s][fatal message]', __FILE__, __LINE__, __FUNCTION__);
$warning_Log = sprintf('[%s:%u][%s][warning]', __FILE__, __LINE__, __FUNCTION__);
$this->assertTrue(BigpipeLog::init($conf));
BigpipeLog::fatal('%s', $fatal_log);
$msg = BigpipeLog::get_last_error_message();
BigpipeLog::warning('%s', $warning_Log);
$this->assertEquals($msg, BigpipeLog::get_last_error_message());
$new_fatal_log = sprintf('[%s:%u][%s][fatal new message]', __FILE__, __LINE__, __FUNCTION__);
$this->assertTrue($msg == BigpipeLog::get_last_error_message());
// ²âÊÔclose
BigpipeLog::close();
}
/**
* 从传入的configure array读取剩余配置
* @param array $conf_arr: 含meta agent配置的array
* @return true on success or false on failure
*/
private function _load_other($conf_arr)
{
try {
$obj = new ReflectionClass($this);
foreach ($conf_arr as $key => $val) {
if (true === is_array($val)) {
BigpipeLog::debug('[%s:%u][%s][skip configure node][name:%s]', __FILE__, __LINE__, __FUNCTION__, $key);
continue;
}
if (false === $obj->hasProperty($key)) {
continue;
}
BigpipeLog::debug('[%s:%u][%s][an element is configured][key:%s][val:%s]', __FILE__, __LINE__, __FUNCTION__, $key, $val);
$fld = $obj->getProperty($key);
$fld->setValue($this, $val);
}
} catch (Exception $e) {
BigpipeLog::warning('[%s:%u][%s][fail to load configure][error message:%s]', __FILE__, __LINE__, __FUNCTION__, $e->getMessage());
return false;
}
// todo
// 根据checksum level修改check frame标志现在在publish和subscirbe中
// 以后应该移到这里
return true;
}
/**
* 更新meta信息, 记录重试次数
* @return boolean
*/
private function _failover()
{
if ($this->_fo_count >= $this->_max_fo_cnt) {
// 重置failover
BigpipeLog::fatal("[_failover][can not do more][max_cnt:%d]", $this->_max_fo_cnt);
$this->_fo_sleep_time = 0;
$this->_fo_count = 0;
return false;
}
if (0 == $this->_fo_sleep_time) {
// php中只有微秒级的usleep和秒级的sleep
// 目前只有当start时才会进入这个分支。
// 这时我们会跳过failover
$this->_fo_sleep_time = BigpipeCommonDefine::INIT_FO_SLEEP_TIME * 1000;
} else {
usleep($this->_fo_sleep_time);
}
// usleep($this->_fo_sleep_time);
$this->_fo_count++;
$this->_fo_sleep_time *= 2;
// increase failover sleep time
if ($this->_fo_sleep_time > BigpipeCommonDefine::MAX_FO_SLEEP_TIME) {
// failover sleep time不能无限制增长
$this->_fo_sleep_time = BigpipeCommonDefine::MAX_FO_SLEEP_TIME;
}
// 通过meta跟新stripe
$broker = $this->_update_meta();
if (false === $broker) {
BigpipeLog::fatal("[_failover][can not update meta from meta agent]");
return false;
}
// 连接broker
$pub_dest = array("socket_address" => $broker['ip'], "socket_port" => $broker['port'], "socket_timeout" => $this->_conn_timeo);
$this->_stomp_adapter->set_destination($pub_dest);
$this->_stomp_adapter->role = BStompRoleType::PUBLISHER;
$this->_stomp_adapter->topic_name = $broker['stripe'];
$this->_stomp_adapter->session_id = $this->_session_id;
// 发布时session不变
if ($this->_stomp_adapter->connect()) {
BigpipeLog::debug("[Success][connected on broker][ip:%s][port:%u]", $broker['ip'], $broker['port']);
BigpipeLog::debug('[session message id][%u]', $this->_stomp_adapter->session_message_id);
$this->_broker = $broker;
return true;
}
return false;
// 连接失败
}
/**
* Create a connection between server and php client<p>
* Or close the existing connection and re-connect it.
* @param no parameter
* @return true on success or false on failure.
*/
public function create_connection()
{
if ($this->is_connected()) {
$this->close();
// 防止重复创建connection
}
$agents = $this->_destinations;
$num = count($agents);
if (0 == $num) {
BigpipeLog::warning("[no destination]");
return false;
}
$try = $this->_max_try_time;
$curr_agent = rand() % $num;
$idx = $curr_agent;
// 从curr_agent开始尝试连接meta agent
while ($try-- > 0) {
$agent = $agents[$idx];
// $stub_sock用于测试时传入mocked c_socket
$socket = true === isset($this->unittest) ? $this->stub_sock : new c_socket();
$agent['socket_timeout'] = $this->_conn_timeo;
// c_socket内部使用socket_timeout作为read/write timeout
$socket->set_vars_from_array($agent);
//<<< 调试信息
BigpipeLog::debug('[connect to][%s:%u]', $agent['socket_address'], $agent['socket_port']);
// 连接agent
if ($socket->connect($this->_conn_timeo)) {
$this->_socket = $socket;
$this->_target = $agent;
// 记录连接对象
break;
} else {
// 换地址重试
if (!array_key_exists($idx + 1, $agents)) {
// next idx will be out of range
// reset $idx and try from the first agent
$idx = 0;
} else {
$idx++;
}
}
// end of connect
}
// end of try
return $this->is_connected();
}
/**
* 更新meta信息, 记录重试次数
* @return boolean
*/
private function _failover()
{
// failover时, 订阅、发布状态无效，重置状态
if (true == $this->_is_subscribed) {
$this->_unsubscribe();
// 先尝试取消订阅, 但是不用考虑错误 (因为failover中有错误是常态)
$this->_is_subscribed = false;
}
if ($this->_fo_count > $this->_max_fo_cnt) {
// 重置failover
BigpipeLog::fatal("[%s:%u][%s][can not do more]", __FILE__, __LINE__, __FUNCTION__);
$this->_fo_sleep_time = 0;
$this->_fo_count = 0;
return false;
}
if (0 == $this->_fo_sleep_time) {
// 第一次flush subscribe时，我们往往不希望等待，
// 因此这时跳过sleep过程
// php中只有微秒级的usleep和秒级的sleep
$this->_fo_sleep_time = BigpipeCommonDefine::INIT_FO_SLEEP_TIME * 1000;
} else {
usleep($this->_fo_sleep_time);
}
$this->_fo_count++;
$this->_fo_sleep_time *= 2;
// increase failover sleep time
if ($this->_fo_sleep_time > BigpipeCommonDefine::MAX_FO_SLEEP_TIME) {
// failover sleep time不能无限制增长
$this->_fo_sleep_time = BigpipeCommonDefine::MAX_FO_SLEEP_TIME;
}
// 通过meta跟新stripe
if (false === $this->_update_meta()) {
BigpipeLog::fatal("[%s:%u][%s][can not update meta from meta agent]", __FILE__, __LINE__, __FUNCTION__);
return false;
}
// 随机选择并连接一个broker
$is_ok = false;
do {
$broker = $this->_random_select_broker();
if (false === $broker) {
// 无新broker可选, failover失败
BigpipeLog::fatal("[%s:%u][%s][no broker to subcribe]", __FILE__, __LINE__, __FUNCTION__);
break;
}
// try to connect to broker
$sub_dest = array("socket_address" => $broker->ip, "socket_port" => $broker->port, "socket_timeout" => $this->_conn_timeo);
$this->_stomp_adapter->set_destination($sub_dest);
$this->_stomp_adapter->role = BStompRoleType::SUBSCRIBER;
$this->_stomp_adapter->topic_name = $this->_stripe['stripe_name'];
$this->_stomp_adapter->session_id = BigpipeUtilities::get_pipelet_name($this->_pipe_name, $this->_pipelet_id) . '_' . BigpipeUtilities::get_uid();
if ($this->_stomp_adapter->connect()) {
BigpipeLog::debug("[%s:%u][%s][Success][connected on broker][ip:%s][port:%u]", __FILE__, __LINE__, __FUNCTION__, $broker->ip, $broker->port);
BigpipeLog::debug('[%s:%u][%s][session message id][smid:%s]', __FILE__, __LINE__, __FUNCTION__, $this->_stomp_adapter->session_message_id);
$is_ok = true;
break;
// 跳出连接
}
} while (true);
return $is_ok;
}
