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net/announce: Add optional ID

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Previously there was a single instance of the timer used by
monitor triggered announces, that's OK, but when combined with the
previous change that lets you have announces for subsets of interfaces
it's a bit restrictive if you want to do different things to different
interfaces.

Add an 'id' field to the announce, and maintain a list of the
timers based on id.

This allows you to for example:
    a) Start an announce going on interface eth0 for a long time
    b) Start an announce going on interface eth1 for a long time
    c) Kill the announce on eth0 while leaving eth1 going.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2019-06-20 19:47:04 +01:00 • committed by Jason Wang
parent 0852827115
commit 944458b659
5 changed files with 62 additions and 14 deletions
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8
include/net/announce.h
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@ -22,8 +22,12 @@ struct AnnounceTimer {
/* Returns: update the timer to the next time point */
int64_t qemu_announce_timer_step(AnnounceTimer *timer);
/* Delete the underlying timer and other data */
void qemu_announce_timer_del(AnnounceTimer *timer);
/*
* Delete the underlying timer and other data
* If 'free_named' true and the timer is a named timer, then remove
* it from the list of named timers and free the AnnounceTimer itself.
*/
void qemu_announce_timer_del(AnnounceTimer *timer, bool free_named);
/*
* Under BQL/main thread