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qmp: Add announce-self command

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Add a qmp command that can trigger guest announcements.

It uses its own announce-timer instance, and parameters
passed to it explicitly in the command.

Like most qmp commands, it's in the main thread/bql, so
there's no racing with any outstanding timer.

Based on work of Germano Veit Michel <germano@redhat.com> and
                 Vladislav Yasevich <vyasevic@redhat.com>

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2019-02-27 13:24:11 +00:00 • committed by Jason Wang
parent b2c929f02b
commit a06cd488d8
2 changed files with 27 additions and 0 deletions
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7
net/announce.c
View file

@ -12,6 +12,7 @@
#include "net/net.h"
#include "qapi/clone-visitor.h"
#include "qapi/qapi-visit-net.h"
#include "qapi/qapi-commands-net.h"
#include "trace.h"
int64_t qemu_announce_timer_step(AnnounceTimer *timer)
@ -131,3 +132,9 @@ void qemu_announce_self(AnnounceTimer *timer, AnnounceParameters *params)
qemu_announce_timer_del(timer);
}
}
void qmp_announce_self(AnnounceParameters *params, Error **errp)
{
static AnnounceTimer announce_timer;
qemu_announce_self(&announce_timer, params);
}