[libvirt] [REBASE PATCH v2 1/9] qemu: Add support for DUMP_COMPLETED event

[John Ferlan]

The event is fired when the domain memory only dump completes.

Wire up the code to extract and send along the status.

Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 src/qemu/qemu_monitor.c      | 18 ++++++++++++++++++
 src/qemu/qemu_monitor.h      | 19 +++++++++++++++++++
 src/qemu/qemu_monitor_json.c | 31 +++++++++++++++++++++++++++++++
 3 files changed, 68 insertions(+)

diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index fc146bdbf..031cd0a68 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 +1671,20 @@ qemuMonitorEmitBlockThreshold(qemuMonitorPtr mon,
 
 
 int
+qemuMonitorEmitDumpCompleted(qemuMonitorPtr mon,
+                             qemuMonitorDumpStatus status)
+{
+    int ret = -1;
+
+    VIR_DEBUG("mon=%p", mon);
+
+    QEMU_MONITOR_CALLBACK(mon, ret, domainDumpCompleted, mon->vm, status);
+
+    return ret;
+}
+
+
+int
 qemuMonitorSetCapabilities(qemuMonitorPtr mon)
 {
     QEMU_CHECK_MONITOR(mon);
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index 67b785e60..f2ac71071 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -246,6 +246,21 @@ 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 int (*qemuMonitorDomainDumpCompletedCallback)(qemuMonitorPtr mon,
+                                                      virDomainObjPtr vm,
+                                                      qemuMonitorDumpStatus status,
+                                                      void *opaque);
 
 typedef struct _qemuMonitorCallbacks qemuMonitorCallbacks;
 typedef qemuMonitorCallbacks *qemuMonitorCallbacksPtr;
@@ -279,6 +294,7 @@ struct _qemuMonitorCallbacks {
     qemuMonitorDomainMigrationPassCallback domainMigrationPass;
     qemuMonitorDomainAcpiOstInfoCallback domainAcpiOstInfo;
     qemuMonitorDomainBlockThresholdCallback domainBlockThreshold;
+    qemuMonitorDomainDumpCompletedCallback domainDumpCompleted;
 };
 
 char *qemuMonitorEscapeArg(const char *in);
@@ -408,6 +424,9 @@ int qemuMonitorEmitBlockThreshold(qemuMonitorPtr mon,
                                   unsigned long long threshold,
                                   unsigned long long excess);
 
+int qemuMonitorEmitDumpCompleted(qemuMonitorPtr mon,
+                                 qemuMonitorDumpStatus status);
+
 int qemuMonitorStartCPUs(qemuMonitorPtr mon,
                          virConnectPtr conn);
 int qemuMonitorStopCPUs(qemuMonitorPtr mon);
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 5ddd85575..169c01205 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 +1145,35 @@ qemuMonitorJSONHandleBlockThreshold(qemuMonitorPtr mon, virJSONValuePtr data)
 }
 
 
+static void
+qemuMonitorJSONHandleDumpCompleted(qemuMonitorPtr mon,
+                                   virJSONValuePtr data)
+{
+    const char *statusstr;
+    qemuMonitorDumpStatus status;
+    virJSONValuePtr result;
+
+    if (!(result = virJSONValueObjectGetObject(data, "result"))) {
+        VIR_WARN("missing result in dump completed event");
+        return;
+    }
+
+    if (!(statusstr = virJSONValueObjectGetString(result, "status"))) {
+        VIR_WARN("missing status string in dump completed event");
+        return;
+    }
+
+    status = qemuMonitorDumpStatusTypeFromString(statusstr);
+    if (status < 0) {
+        VIR_WARN("invalid status string '%s' in dump completed event",
+                 statusstr);
+        return;
+    }
+
+    qemuMonitorEmitDumpCompleted(mon, status);
+}
+
+
 int
 qemuMonitorJSONHumanCommandWithFd(qemuMonitorPtr mon,
                                   const char *cmd_str,
-- 
2.13.6