You didn't mention calling tw_timer_expire_timers_xxx(tw, now), which is the
only force of physics which will actually cause a timer to expire.
See also .../src/vppinfra/test_tw_timer.c, src/vlib/main.c or
src/vnet/tcp/tcp.c for usage examples. The timer wheel code has been tested to
N=60 million concurrent timers. It's not trivially broken.
D
________________________________
From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> on behalf of hari_akkin via
Lists.Fd.Io <hari_akkin=yahoo....@lists.fd.io>
Sent: Wednesday, June 12, 2019 7:00 AM
To: vpp-dev@lists.fd.io
Cc: vpp-dev@lists.fd.io
Subject: [vpp-dev] timer wheel usage queries
Hello
I am trying to use timer_wheel framework to start a timer. I followed the
examples given in fdio, but the expiry_callback function never being called
back.
I am not sure if timer failed to expire or my usage has problems. I used the
below functions:
Timer wheel Init:
{
tw_timer_wheel_1t_1w_2048sl_t* tw = &example_main->timer_wheels;
tw_timer_wheel_init_1t_1w_2048sl (tw, example_timer_expired_callback,
1.0 /* timer period 1s */ , 1024);
tw->last_run_time = vlib_time_now (vm);
}
Timer Start:
handle = tw_timer_start_1t_1w_2048sl(&example->timer_wheels,1,0,5);
The expiry functiion example_timer_expired_callback never been called.
Is there any issue in the way I am using or is there any knwon issue in TW
framework?
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