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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 NUL characters, after the ring buffer lost data, and when reading
stops because the size limit is reached. 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 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) void hmp_migrate_cancel(Monitor *mon, const QDict *qdict)
{ {
qmp_migrate_cancel(NULL); qmp_migrate_cancel(NULL);

1
hmp.h
View File

@ -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_reset(Monitor *mon, const QDict *qdict);
void hmp_system_powerdown(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_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_cpu(Monitor *mon, const QDict *qdict);
void hmp_memsave(Monitor *mon, const QDict *qdict); void hmp_memsave(Monitor *mon, const QDict *qdict);
void hmp_pmemsave(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 int verbose;
static const char *hmp_cmds[] = { static const char *hmp_cmds[] = {
"announce_self",
"boot_set ndc", "boot_set ndc",
"chardev-add null,id=testchardev1", "chardev-add null,id=testchardev1",
"chardev-send-break testchardev1", "chardev-send-break testchardev1",