Commit 544f6ea3 authored by Dr. David Alan Gilbert's avatar Dr. David Alan Gilbert Committed by Jason Wang
Browse files

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: default avatarVladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: default avatarDr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarJason Wang <jasowang@redhat.com>
parent a06cd488

hmp-commands.hx

+16 −0
Original line number Diff line number Diff line
@@ -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



    {

hmp.c

+5 −0
Original line number Diff line number Diff line
@@ -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);

hmp.h

+1 −0
Original line number Diff line number Diff line
@@ -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);

tests/test-hmp.c

+1 −0
Original line number Diff line number Diff line
@@ -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",