//运行函数
int Comm_SvrdApp_NonCtrl::run_instance()
{
ZLOG_INFO("[framework] app %s class [%s] run_instance start.",
get_app_basename(),
typeid(*this).name());
//
size_t size_io_event = 0 , size_timer_expire = 0;
size_t prc_frame = 0, idle = 0, proc_data_num = 0;
ZCE_Time_Value select_interval(0, 0);
ZCE_Timer_Queue *time_queue = ZCE_Timer_Queue::instance();
ZCE_Reactor *reactor = ZCE_Reactor::instance();
for (; app_run_;)
{
// 检查是否需要重新加载配置
if (app_reload_)
{
// 重新加载配置
reload_config();
}
//处理收到的命令
popfront_recvpipe(prc_frame);
size_timer_expire = time_queue->expire();
// 处理其他方式通信数据
proc_data_num = 0;
proc(proc_data_num);
//如果没有处理任何帧
// 处理管道的包少于要求处理的最大数则说明管道已经空了
if (prc_frame < MAX_ONCE_PROCESS_FRAME && size_timer_expire <= 0 && proc_data_num <= 0)
{
++idle;
}
else
{
idle = 0;
}
// 如果空循环太多则会白白耗电不低碳
// 理论上这里睡眠最大时间是100毫秒
// 因此只要内存管道大小>=100毫秒最大系统处理包数*每个包字节数
// 则再睡醒以后能够正常处理数据而不至于管道满而丢数据
// 假设系统所有资源够用，那么网卡速率则决定了最大处理能力
// 网卡按1Gbit计算，则管道临界大小为1Gbit-per(S)/8/10≈12MByte，再加上管道自身的内存结构占用
// 考虑为16MByte也即足以，所以只要管道大小超过16MByte应该就顶的住。
// 所以这里就不用空跑那么多次了。
if (idle < 1)
{
continue;
}
//如果空闲很多,休息一下,如果你比较空闲，在这儿SELECT相当于Sleep，
else if (idle >= HEAVY_IDLE_SLEEP_INTERVAL)
{
select_interval.usec(HEAVY_IDLE_INTERVAL_MICROSECOND);
}
//else 相当于 else if (idle >= LIGHT_IDLE_SELECT_INTERVAL)
else
{
select_interval.usec(LIGHT_IDLE_INTERVAL_MICROSECOND);
}
//
reactor->handle_events(&select_interval, &size_io_event);
}
ZLOG_INFO("[framework] app %s class [%s] run_instance end.",
get_app_basename(),
typeid(*this).name());
return SOAR_RET::SOAR_RET_SUCC;
}
//运行处理,
int Comm_SvrdApp_FSM_Notify::app_run()
{
// fix me add log
ZCE_LOG(RS_INFO, "======================================================================================================");
ZCE_LOG(RS_INFO, "[framework] app %s class [%s] run_instance start.",
get_app_basename(),
typeid(*this).name());
//空闲N次后,调整SELECT的等待时间间隔
const unsigned int LIGHT_IDLE_SELECT_INTERVAL = 128;
//空闲N次后,SLEEP的时间间隔
const unsigned int HEAVY_IDLE_SLEEP_INTERVAL = 10240;
//microsecond
// 64位tlinux下idle的时间如果太短会导致cpu过高
const int LIGHT_IDLE_INTERVAL_MICROSECOND = 10000;
const int HEAVY_IDLE_INTERVAL_MICROSECOND = 100000;
size_t all_proc_frame = 0 , all_gen_trans = 0;
size_t prcframe_queue = 0 , gentrans_queue = 0, num_timer_expire = 0, num_io_event = 0;
size_t idle = 0;
MT_NOTIFY_TRANS_MANGER *notify_trans_mgr = static_cast<MT_NOTIFY_TRANS_MANGER *>(Transaction_Manager::instance());
ZCE_Time_Value select_interval(0, 0);
ZCE_Timer_Queue *time_queue = ZCE_Timer_Queue::instance();
ZCE_Reactor *reactor = ZCE_Reactor::instance();
for (; app_run_;)
{
// 检查是否需要重新加载配置
//从PIPE处理收到的命令
notify_trans_mgr->process_pipe_frame(all_proc_frame, all_gen_trans);
//从RECV QUEUE处理命令
notify_trans_mgr->process_recvqueue_frame(prcframe_queue, gentrans_queue);
all_proc_frame += prcframe_queue;
all_gen_trans += gentrans_queue;
//超时
num_timer_expire = time_queue->expire();
// 处理网络包
reactor->handle_events(&select_interval, &num_io_event);
if ((all_proc_frame + num_timer_expire + num_io_event) <= 0)
{
++idle;
}
else
{
idle = 0;
}
//如果忙，继续干活
if (idle < LIGHT_IDLE_SELECT_INTERVAL)
{
select_interval.usec(0);
continue;
}
//如果空闲很多,休息一下,如果你比较空闲，在这儿SELECT相当于Sleep，
else if (idle >= HEAVY_IDLE_SLEEP_INTERVAL)
{
select_interval.usec(HEAVY_IDLE_INTERVAL_MICROSECOND );
}
//else 相当于 else if (idle >= LIGHT_IDLE_SELECT_INTERVAL)
else
{
select_interval.usec(LIGHT_IDLE_INTERVAL_MICROSECOND );
}
}
ZCE_LOG(RS_INFO, "======================================================================================================");
return 0;
}
//运行处理,
int Comm_SvrdApp_FSM::app_run()
{
ZCE_LOG(RS_INFO, "======================================================================================================");
ZCE_LOG(RS_INFO, "[framework] app %s class [%s] run_instance start.",
get_app_basename(),
typeid(*this).name());
//空闲N次后,调整SELECT的等待时间间隔
const unsigned int LIGHT_IDLE_SELECT_INTERVAL = 128;
//空闲N次后,SLEEP的时间间隔
const unsigned int HEAVY_IDLE_SLEEP_INTERVAL = 10240;
//microsecond
// 64位tlinux下idle的时间如果太短会导致cpu过高
const int LIGHT_IDLE_INTERVAL_MICROSECOND = 10000;
const int HEAVY_IDLE_INTERVAL_MICROSECOND = 100000;
Transaction_Manager *trans_mgr = Transaction_Manager::instance();
size_t size_io_event = 0 , num_timer_expire = 0;
size_t proc_frame = 0, gen_trans = 0, proc_data_num = 0;
unsigned int idle = 0;
ZCE_Time_Value select_interval(0, 0);
ZCE_Timer_Queue *time_queue = ZCE_Timer_Queue::instance();
ZCE_Reactor *reactor = ZCE_Reactor::instance();
for (; app_run_;)
{
//处理收到的命令
trans_mgr->process_pipe_frame(proc_frame, gen_trans);
//超时
num_timer_expire = time_queue->expire();
// IO事件
size_io_event = 0;
reactor->handle_events(&select_interval, &size_io_event);
//如果没有处理任何帧
if ((proc_frame + num_timer_expire + proc_data_num + size_io_event) <= 0)
{
++idle;
}
else
{
idle = 0;
}
//如果忙，继续干活
if (idle < LIGHT_IDLE_SELECT_INTERVAL)
{
select_interval.usec(0);
continue;
}
//如果空闲很多,休息一下,如果你比较空闲，在这儿SELECT相当于Sleep，
else if (idle >= HEAVY_IDLE_SLEEP_INTERVAL)
{
select_interval.usec(HEAVY_IDLE_INTERVAL_MICROSECOND);
}
//else 相当于 else if (idle >= LIGHT_IDLE_SELECT_INTERVAL)
else
{
select_interval.usec(LIGHT_IDLE_INTERVAL_MICROSECOND);
}
}
ZCE_LOG(RS_INFO, "[framework] app %s class [%s] run_instance end.",
get_app_basename(),
typeid(*this).name());
ZCE_LOG(RS_INFO, "======================================================================================================");
return 0;
}
