what exactly are you trying to accomplish by not using the timers?

On Apr 17, 2018, at 10:07 PM, kaiduan xie <kaiduanx@yahoo.ca> wrote:

Hi,

For my application, I made some changes in switch_rtp to use poll to read from network instead of synchronising on timer,

switch_rtp_clear_flag(rtp_session, SWITCH_RTP_FLAG_USE_TIMER);

I observed a weird behaviour with regarding to switch_poll, it blocks with 20ms always even the timer value is 10 ms when there are no packet received on network.

+                               pt = 10 * 1000; // 10ms

+                               switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_DEBUG, "+poll reading:%d\n", pt);

                        }

 

                        poll_status = switch_poll(rtp_session->read_pollfd, 1, &fdr, pt);

+                      switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_DEBUG, "-poll reading:%d:%d\n", pt, poll_status);

The following is from the log,

0c19d3aa-429e-11e8-bbd0-fb8396b8383d 2018-04-17 20:21:31.453604 [DEBUG] [23807] switch_rtp.c:7001 +poll reading:10000

0c19d3aa-429e-11e8-bbd0-fb8396b8383d 2018-04-17 20:21:31.473649 [DEBUG] [23807] switch_rtp.c:7005 -poll reading:10000:2

Any idea? This is really weird, I expect switch_poll works as select.

Many thanks for help.

/Kaiduan

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