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hmp: Add hmp_announce_self 

Add an HMP command to trigger self annocements.
Unlike the QMP command (which takes a set of parameters), the HMP
command reuses the set of parameters used for migration.

Signend-off-by: 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 13:24:12 +00:00 committed by Jason Wang
parent a06cd488d8
commit 544f6ea324
4 changed files with 23 additions and 0 deletions
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16
hmp-commands.hx
View File

@ -936,6 +936,22 @@ Bug: can screw up when the buffer contains invalid UTF-8 sequences,
NUL characters, after the ring buffer lost data, and when reading
stops because the size limit is reached.
ETEXI
{
.name = "announce_self",
.args_type = "",
.params = "",
.help = "Trigger GARP/RARP announcements",
.cmd = hmp_announce_self,
},
STEXI
@item announce_self
@findex announce_self
Trigger a round of GARP/RARP broadcasts; this is useful for explicitly updating the
network infrastructure after a reconfiguration or some forms of migration.
The timings of the round are set by the migration announce parameters.
ETEXI
{

5
hmp.c
View File

@ -1570,6 +1570,11 @@ void hmp_info_snapshots(Monitor *mon, const QDict *qdict)
}
void hmp_announce_self(Monitor *mon, const QDict *qdict)
{
qmp_announce_self(migrate_announce_params(), NULL);
}
void hmp_migrate_cancel(Monitor *mon, const QDict *qdict)
{
qmp_migrate_cancel(NULL);

1
hmp.h
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@ -46,6 +46,7 @@ void hmp_sync_profile(Monitor *mon, const QDict *qdict);
void hmp_system_reset(Monitor *mon, const QDict *qdict);
void hmp_system_powerdown(Monitor *mon, const QDict *qdict);
void hmp_exit_preconfig(Monitor *mon, const QDict *qdict);
void hmp_announce_self(Monitor *mon, const QDict *qdict);
void hmp_cpu(Monitor *mon, const QDict *qdict);
void hmp_memsave(Monitor *mon, const QDict *qdict);
void hmp_pmemsave(Monitor *mon, const QDict *qdict);

1
tests/test-hmp.c
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@ -20,6 +20,7 @@
static int verbose;
static const char *hmp_cmds[] = {
"announce_self",
"boot_set ndc",
"chardev-add null,id=testchardev1",
"chardev-send-break testchardev1",