bool CAgentThread::connect_center()
{
if (parse_domainname_or_iplist())
{
CCenterHost* host = choose_center_host();
if (NULL == host)
{
AGENT_LOG_FATAL("No hosts chosen.\n");
return false;
}
_connector.set_peer_ip(host->get_ip().c_str());
_connector.set_peer_port(host->get_port());
try
{
_connector.timed_connect();
enable_connector_write();
host->reset_reconn_times();
AGENT_LOG_DEBUG("%s successfully.\n", _connector.to_string().c_str());
return true;
}
catch (sys::CSyscallException& ex)
{
host->inc_reconn_times();
AGENT_LOG_ERROR("%s failed: %s.\n", _connector.to_string().c_str(), ex.to_string().c_str());
do_millisleep(_connector.get_connect_timeout_milliseconds());
}
}
return false;
}
void CObserverThread::run()
{
#if ENABLE_SET_OBSERVER_THREAD_NAME==1
sys::CUtil::set_process_name("ob-thread");
#endif // ENABLE_SET_OBSERVER_THREAD_NAME
while (!is_stop())
{
do_millisleep(_observer_context->get_report_frequency_seconds());
_observer_context->collect();
}
}
virtual void run()
{
// 在这个函数里实现需要池线程干的事
if (_number_printed++ < 3)
{
// 只打印三次，以便观察效率
printf("thread %u say hello.\n", get_thread_id());
}
// do_millisleep是由CPoolThread提供给子类睡眠用的，
// 可以通过调用wakeup中断睡眠
do_millisleep(1000);
}
void CPoolThread::CPoolThreadHelper::run()
{
// wait用于和主线程同步
do_millisleep(-1);
if (!is_stop())
{
if (_pool_thread->before_run())
{
while (!is_stop())
{
_pool_thread->run();
}
_pool_thread->after_run();
}
}
}
void CPoolThread::CPoolThreadHelper::millisleep(int milliseconds)
{
do_millisleep(milliseconds);
}
