10:31 a.m.
The event will be fired when the domain memory only dump completes.
Alloc a return buffer to store/pass along the dump statistics that
will be eventually shared by a query-dump command.
Signed-off-by: John Ferlan <jferlan(a)redhat.com>
---
src/qemu/qemu_monitor.c | 29 ++++++++++++++++++++
src/qemu/qemu_monitor.h | 31 +++++++++++++++++++++
src/qemu/qemu_monitor_json.c | 65 ++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 125 insertions(+)
diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index fc146bdbf..23153967c 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -210,6 +210,10 @@ VIR_ENUM_IMPL(qemuMonitorBlockIOStatus,
QEMU_MONITOR_BLOCK_IO_STATUS_LAST,
"ok", "failed", "nospace")
+VIR_ENUM_IMPL(qemuMonitorDumpStatus,
+ QEMU_MONITOR_DUMP_STATUS_LAST,
+ "none", "active", "completed",
"failed")
+
char *
qemuMonitorEscapeArg(const char *in)
{
@@ -1667,6 +1671,21 @@ qemuMonitorEmitBlockThreshold(qemuMonitorPtr mon,
int
+qemuMonitorEmitDumpCompleted(qemuMonitorPtr mon,
+ qemuMonitorDumpStatsPtr stats,
+ const char *error)
+{
+ int ret = -1;
+
+ VIR_DEBUG("mon=%p", mon);
+
+ QEMU_MONITOR_CALLBACK(mon, ret, domainDumpCompleted, mon->vm, stats, error);
+
+ return ret;
+}
+
+
+int
qemuMonitorSetCapabilities(qemuMonitorPtr mon)
{
QEMU_CHECK_MONITOR(mon);
@@ -4359,3 +4378,13 @@ qemuMonitorSetWatchdogAction(qemuMonitorPtr mon,
return qemuMonitorJSONSetWatchdogAction(mon, action);
}
+
+
+void
+qemuMonitorEventDumpStatsFree(qemuMonitorDumpStatsPtr stats)
+{
+ if (!stats)
+ return;
+
+ VIR_FREE(stats);
+}
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index 67b785e60..37f335e9f 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -246,6 +246,30 @@ typedef int (*qemuMonitorDomainBlockThresholdCallback)(qemuMonitorPtr
mon,
unsigned long long excess,
void *opaque);
+typedef enum {
+ QEMU_MONITOR_DUMP_STATUS_NONE,
+ QEMU_MONITOR_DUMP_STATUS_ACTIVE,
+ QEMU_MONITOR_DUMP_STATUS_COMPLETED,
+ QEMU_MONITOR_DUMP_STATUS_FAILED,
+
+ QEMU_MONITOR_DUMP_STATUS_LAST,
+} qemuMonitorDumpStatus;
+
+VIR_ENUM_DECL(qemuMonitorDumpStatus)
+
+typedef struct _qemuMonitorDumpStats qemuMonitorDumpStats;
+typedef qemuMonitorDumpStats *qemuMonitorDumpStatsPtr;
+struct _qemuMonitorDumpStats {
+ int status; /* qemuMonitorDumpStatus */
+ unsigned long long completed; /* bytes written */
+ unsigned long long total; /* total bytes to be written */
+};
+
+typedef int (*qemuMonitorDomainDumpCompletedCallback)(qemuMonitorPtr mon,
+ virDomainObjPtr vm,
+ qemuMonitorDumpStatsPtr stats,
+ const char *error,
+ void *opaque);
typedef struct _qemuMonitorCallbacks qemuMonitorCallbacks;
typedef qemuMonitorCallbacks *qemuMonitorCallbacksPtr;
@@ -279,6 +303,7 @@ struct _qemuMonitorCallbacks {
qemuMonitorDomainMigrationPassCallback domainMigrationPass;
qemuMonitorDomainAcpiOstInfoCallback domainAcpiOstInfo;
qemuMonitorDomainBlockThresholdCallback domainBlockThreshold;
+ qemuMonitorDomainDumpCompletedCallback domainDumpCompleted;
};
char *qemuMonitorEscapeArg(const char *in);
@@ -408,6 +433,10 @@ int qemuMonitorEmitBlockThreshold(qemuMonitorPtr mon,
unsigned long long threshold,
unsigned long long excess);
+int qemuMonitorEmitDumpCompleted(qemuMonitorPtr mon,
+ qemuMonitorDumpStatsPtr stats,
+ const char *error);
+
int qemuMonitorStartCPUs(qemuMonitorPtr mon,
virConnectPtr conn);
int qemuMonitorStopCPUs(qemuMonitorPtr mon);
@@ -1146,4 +1175,6 @@ virJSONValuePtr qemuMonitorQueryNamedBlockNodes(qemuMonitorPtr
mon);
int qemuMonitorSetWatchdogAction(qemuMonitorPtr mon,
const char *action);
+
+void qemuMonitorEventDumpStatsFree(qemuMonitorDumpStatsPtr stats);
#endif /* QEMU_MONITOR_H */
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 5ddd85575..a8cb8ce6b 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -90,6 +90,7 @@ static void qemuMonitorJSONHandleMigrationStatus(qemuMonitorPtr mon,
virJSONValu
static void qemuMonitorJSONHandleMigrationPass(qemuMonitorPtr mon, virJSONValuePtr
data);
static void qemuMonitorJSONHandleAcpiOstInfo(qemuMonitorPtr mon, virJSONValuePtr data);
static void qemuMonitorJSONHandleBlockThreshold(qemuMonitorPtr mon, virJSONValuePtr
data);
+static void qemuMonitorJSONHandleDumpCompleted(qemuMonitorPtr mon, virJSONValuePtr
data);
typedef struct {
const char *type;
@@ -106,6 +107,7 @@ static qemuEventHandler eventHandlers[] = {
{ "BLOCK_WRITE_THRESHOLD", qemuMonitorJSONHandleBlockThreshold, },
{ "DEVICE_DELETED", qemuMonitorJSONHandleDeviceDeleted, },
{ "DEVICE_TRAY_MOVED", qemuMonitorJSONHandleTrayChange, },
+ { "DUMP_COMPLETED", qemuMonitorJSONHandleDumpCompleted, },
{ "GUEST_PANICKED", qemuMonitorJSONHandleGuestPanic, },
{ "MIGRATION", qemuMonitorJSONHandleMigrationStatus, },
{ "MIGRATION_PASS", qemuMonitorJSONHandleMigrationPass, },
@@ -1143,6 +1145,69 @@ qemuMonitorJSONHandleBlockThreshold(qemuMonitorPtr mon,
virJSONValuePtr data)
}
+static qemuMonitorDumpStatsPtr
+qemuMonitorJSONExtractDumpStats(virJSONValuePtr result)
+{
+ qemuMonitorDumpStatsPtr ret;
+ const char *statusstr;
+
+ if (VIR_ALLOC(ret) < 0)
+ return NULL;
+
+ if (!(statusstr = virJSONValueObjectGetString(result, "status"))) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("incomplete result, failed to get status"));
+ goto error;
+ }
+
+ ret->status = qemuMonitorDumpStatusTypeFromString(statusstr);
+ if (ret->status < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("incomplete result, unknown status string
'%s'"),
+ statusstr);
+ goto error;
+ }
+
+ if (virJSONValueObjectGetNumberUlong(result, "completed",
&ret->completed) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("incomplete result, failed to get completed"));
+ goto error;
+ }
+
+ if (virJSONValueObjectGetNumberUlong(result, "total", &ret->total)
< 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("incomplete result, failed to get total"));
+ goto error;
+ }
+
+ return ret;
+
+ error:
+ qemuMonitorEventDumpStatsFree(ret);
+ return NULL;
+}
+
+
+static void
+qemuMonitorJSONHandleDumpCompleted(qemuMonitorPtr mon,
+ virJSONValuePtr data)
+{
+ virJSONValuePtr result;
+ qemuMonitorDumpStatsPtr stats = NULL;
+ const char *error = NULL;
+
+ if (!(result = virJSONValueObjectGetObject(data, "result"))) {
+ VIR_WARN("missing result in dump completed event");
+ return;
+ }
+
+ stats = qemuMonitorJSONExtractDumpStats(result);
+ error = virJSONValueObjectGetString(data, "error");
+
+ qemuMonitorEmitDumpCompleted(mon, stats, error);
+}
+
+
int
qemuMonitorJSONHumanCommandWithFd(qemuMonitorPtr mon,
const char *cmd_str,
--
2.13.6