Commit fe069d9d authored by Wenchao Xia's avatar Wenchao Xia Committed by Luiz Capitulino

qapi event: convert QUORUM events

Signed-off-by: default avatarWenchao Xia <wenchaoqemu@gmail.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Reviewed-by: default avatarEric Blake <eblake@redhat.com>
Signed-off-by: default avatarLuiz Capitulino <lcapitulino@redhat.com>
parent 3a449690
......@@ -17,6 +17,7 @@
#include <gnutls/crypto.h>
#include "block/block_int.h"
#include "qapi/qmp/qjson.h"
#include "qapi-event.h"
#define HASH_LENGTH 32
......@@ -198,32 +199,22 @@ static QuorumAIOCB *quorum_aio_get(BDRVQuorumState *s,
static void quorum_report_bad(QuorumAIOCB *acb, char *node_name, int ret)
{
QObject *data;
assert(node_name);
data = qobject_from_jsonf("{ 'node-name': %s"
", 'sector-num': %" PRId64
", 'sectors-count': %d }",
node_name, acb->sector_num, acb->nb_sectors);
const char *msg = NULL;
if (ret < 0) {
QDict *dict = qobject_to_qdict(data);
qdict_put(dict, "error", qstring_from_str(strerror(-ret)));
msg = strerror(-ret);
}
monitor_protocol_event(QEVENT_QUORUM_REPORT_BAD, data);
qobject_decref(data);
qapi_event_send_quorum_report_bad(!!msg, msg, node_name,
acb->sector_num, acb->nb_sectors, &error_abort);
}
static void quorum_report_failure(QuorumAIOCB *acb)
{
QObject *data;
const char *reference = acb->common.bs->device_name[0] ?
acb->common.bs->device_name :
acb->common.bs->node_name;
data = qobject_from_jsonf("{ 'reference': %s"
", 'sector-num': %" PRId64
", 'sectors-count': %d }",
reference, acb->sector_num, acb->nb_sectors);
monitor_protocol_event(QEVENT_QUORUM_FAILURE, data);
qobject_decref(data);
qapi_event_send_quorum_failure(reference, acb->sector_num,
acb->nb_sectors, &error_abort);
}
static int quorum_vote_error(QuorumAIOCB *acb);
......
QEMU Machine Protocol Events
============================
QUORUM_FAILURE
--------------
Emitted by the Quorum block driver if it fails to establish a quorum.
Data:
- "reference": device name if defined else node name.
- "sector-num": Number of the first sector of the failed read operation.
- "sector-count": Failed read operation sector count.
Example:
{ "event": "QUORUM_FAILURE",
"data": { "reference": "usr1", "sector-num": 345435, "sector-count": 5 },
"timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
QUORUM_REPORT_BAD
-----------------
Emitted to report a corruption of a Quorum file.
Data:
- "error": Error message (json-string, optional)
Only present on failure. This field contains a human-readable
error message. There are no semantics other than that the
block layer reported an error and clients should not try to
interpret the error string.
- "node-name": The graph node name of the block driver state.
- "sector-num": Number of the first sector of the failed read operation.
- "sector-count": Failed read operation sector count.
Example:
{ "event": "QUORUM_REPORT_BAD",
"data": { "node-name": "1.raw", "sector-num": 345435, "sector-count": 5 },
"timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
......@@ -617,6 +617,9 @@ static void monitor_qapi_event_init(void)
monitor_qapi_event_throttle(QAPI_EVENT_RTC_CHANGE, 1000);
monitor_qapi_event_throttle(QAPI_EVENT_WATCHDOG, 1000);
monitor_qapi_event_throttle(QAPI_EVENT_BALLOON_CHANGE, 1000);
/* limit the rate of quorum events to avoid hammering the management */
monitor_qapi_event_throttle(QAPI_EVENT_QUORUM_REPORT_BAD, 1000);
monitor_qapi_event_throttle(QAPI_EVENT_QUORUM_FAILURE, 1000);
qmp_event_set_func_emit(monitor_qapi_event_queue);
}
......@@ -743,9 +746,6 @@ monitor_protocol_event_throttle(MonitorEvent event,
* and initialize state */
static void monitor_protocol_event_init(void)
{
/* limit the rate of quorum events to avoid hammering the management */
monitor_protocol_event_throttle(QEVENT_QUORUM_REPORT_BAD, 1000);
monitor_protocol_event_throttle(QEVENT_QUORUM_FAILURE, 1000);
}
/**
......
......@@ -278,3 +278,41 @@
##
{ 'event': 'GUEST_PANICKED',
'data': { 'action': 'GuestPanicAction' } }
##
# @QUORUM_FAILURE
#
# Emitted by the Quorum block driver if it fails to establish a quorum
#
# @reference: device name if defined else node name
#
# @sector-num: number of the first sector of the failed read operation
#
# @sector-count: failed read operation sector count
#
# Since: 2.0
##
{ 'event': 'QUORUM_FAILURE',
'data': { 'reference': 'str', 'sector-num': 'int', 'sector-count': 'int' } }
##
# @QUORUM_REPORT_BAD
#
# Emitted to report a corruption of a Quorum file
#
# @error: #optional, error message. Only present on failure. This field
# contains a human-readable error message. There are no semantics other
# than that the block layer reported an error and clients should not
# try to interpret the error string.
#
# @node-name: the graph node name of the block driver state
#
# @sector-num: number of the first sector of the failed read operation
#
# @sector-count: failed read operation sector count
#
# Since: 2.0
##
{ 'event': 'QUORUM_REPORT_BAD',
'data': { '*error': 'str', 'node-name': 'str',
'sector-num': 'int', 'sector-count': 'int' } }
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