One new QMP event DUMP_COMPLETED is added. It is used when user specified "detach" in dump, and triggered when the dump finishes (either succeeded or failed). If failed, one "err" data will be passed with specific error message.
Signed-off-by: Peter Xu <pet...@redhat.com> --- docs/qmp-events.txt | 14 ++++++++++++++ dump.c | 6 +++++- qapi/event.json | 10 ++++++++++ 3 files changed, 29 insertions(+), 1 deletion(-) diff --git a/docs/qmp-events.txt b/docs/qmp-events.txt index d2f1ce4..7b9f835 100644 --- a/docs/qmp-events.txt +++ b/docs/qmp-events.txt @@ -674,3 +674,17 @@ Note: If action is "reset", "shutdown", or "pause" the WATCHDOG event is followed respectively by the RESET, SHUTDOWN, or STOP events. Note: this event is rate-limited. + +DUMP_COMPLETED +-------------- + +Emitted when the guest has finished one memory dump. + +Data: + +- "error": Error message when dump failed (json-string, optional) + +Example: + +{ "event": "DUMP_COMPLETED", + "data": {} } diff --git a/dump.c b/dump.c index 14fd41f..43f565d 100644 --- a/dump.c +++ b/dump.c @@ -25,6 +25,7 @@ #include "qapi/error.h" #include "qapi/qmp/qerror.h" #include "qmp-commands.h" +#include "qapi-event.h" #include <zlib.h> #ifdef CONFIG_LZO @@ -1633,8 +1634,11 @@ static void *dump_thread(void *data) dump_process(s, &err); if (err) { - /* TODO: notify user the error */ + qapi_event_send_dump_completed(true, error_get_pretty(err), + &error_abort); error_free(err); + } else { + qapi_event_send_dump_completed(false, NULL, &error_abort); } return NULL; } diff --git a/qapi/event.json b/qapi/event.json index f0cef01..c46214b 100644 --- a/qapi/event.json +++ b/qapi/event.json @@ -356,3 +356,13 @@ ## { 'event': 'MEM_UNPLUG_ERROR', 'data': { 'device': 'str', 'msg': 'str' } } + +## +# @DUMP_COMPLETED +# +# Emitted when background dump has completed +# +# Since: 2.6 +## +{ 'event': 'DUMP_COMPLETED' , + 'data': { '*error': 'str' } } -- 2.4.3