[libvirt] [PATCH 5/6] qemu: Implement virDomainGetControlInfo

[Jiri Denemark]

---
 src/qemu/qemu_domain.c  |    4 +++
 src/qemu/qemu_domain.h  |    2 +
 src/qemu/qemu_driver.c  |   61 +++++++++++++++++++++++++++++++++++++++++++++++
 src/qemu/qemu_process.c |    3 ++
 4 files changed, 70 insertions(+), 0 deletions(-)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 5f18ad3..06d2a5e 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -609,6 +609,7 @@ void qemuDomainObjEnterMonitor(virDomainObjPtr obj)
 
     qemuMonitorLock(priv->mon);
     qemuMonitorRef(priv->mon);
+    virTimeMs(&priv->monStart);
     virDomainObjUnlock(obj);
 }
 
@@ -629,6 +630,7 @@ void qemuDomainObjExitMonitor(virDomainObjPtr obj)
 
     virDomainObjLock(obj);
 
+    priv->monStart = 0;
     if (refs == 0) {
         priv->mon = NULL;
     }
@@ -650,6 +652,7 @@ void qemuDomainObjEnterMonitorWithDriver(struct qemud_driver *driver,
 
     qemuMonitorLock(priv->mon);
     qemuMonitorRef(priv->mon);
+    virTimeMs(&priv->monStart);
     virDomainObjUnlock(obj);
     qemuDriverUnlock(driver);
 }
@@ -674,6 +677,7 @@ void qemuDomainObjExitMonitorWithDriver(struct qemud_driver *driver,
     qemuDriverLock(driver);
     virDomainObjLock(obj);
 
+    priv->monStart = 0;
     if (refs == 0) {
         priv->mon = NULL;
     }
diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h
index bacf5b5..3d041fc 100644
--- a/src/qemu/qemu_domain.h
+++ b/src/qemu/qemu_domain.h
@@ -79,6 +79,8 @@ struct _qemuDomainObjPrivate {
     qemuMonitorPtr mon;
     virDomainChrSourceDefPtr monConfig;
     int monJSON;
+    bool monError;
+    unsigned long long monStart;
     bool gotShutdown;
 
     int nvcpupids;
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 470573e..8328757 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -1873,6 +1873,66 @@ cleanup:
     return ret;
 }
 
+static int
+qemuDomainGetControlInfo(virDomainPtr dom,
+                          virDomainControlInfoPtr info,
+                          unsigned int flags)
+{
+    struct qemud_driver *driver = dom->conn->privateData;
+    virDomainObjPtr vm;
+    qemuDomainObjPrivatePtr priv;
+    int ret = -1;
+
+    virCheckFlags(0, -1);
+
+    qemuDriverLock(driver);
+    vm = virDomainFindByUUID(&driver->domains, dom->uuid);
+    qemuDriverUnlock(driver);
+
+    if (!vm) {
+        char uuidstr[VIR_UUID_STRING_BUFLEN];
+        virUUIDFormat(dom->uuid, uuidstr);
+        qemuReportError(VIR_ERR_NO_DOMAIN,
+                        _("no domain with matching uuid '%s'"), uuidstr);
+        goto cleanup;
+    }
+
+    if (!virDomainObjIsActive(vm)) {
+        qemuReportError(VIR_ERR_OPERATION_INVALID,
+                        "%s", _("domain is not running"));
+        goto cleanup;
+    }
+
+    priv = vm->privateData;
+
+    memset(info, 0, sizeof(*info));
+
+    if (priv->monError) {
+        info->state = VIR_DOMAIN_CONTROL_ERROR;
+    } else if (priv->jobActive) {
+        if (!priv->monStart) {
+            info->state = VIR_DOMAIN_CONTROL_JOB;
+            if (virTimeMs(&info->stateTime) < 0)
+                goto cleanup;
+            info->stateTime -= priv->jobStart;
+        } else {
+            info->state = VIR_DOMAIN_CONTROL_OCCUPIED;
+            if (virTimeMs(&info->stateTime) < 0)
+                goto cleanup;
+            info->stateTime -= priv->monStart;
+        }
+    } else {
+        info->state = VIR_DOMAIN_CONTROL_OK;
+    }
+
+    ret = 0;
+
+cleanup:
+    if (vm)
+        virDomainObjUnlock(vm);
+    return ret;
+}
+
 
 #define QEMUD_SAVE_MAGIC "LibvirtQemudSave"
 #define QEMUD_SAVE_VERSION 2
@@ -8001,6 +8061,7 @@ static virDriver qemuDriver = {
     .domainGetBlkioParameters = qemuDomainGetBlkioParameters, /* 0.9.0 */
     .domainGetInfo = qemudDomainGetInfo, /* 0.2.0 */
     .domainGetState = qemuDomainGetState, /* 0.9.2 */
+    .domainGetControlInfo = qemuDomainGetControlInfo, /* 0.9.3 */
     .domainSave = qemudDomainSave, /* 0.2.0 */
     .domainRestore = qemuDomainRestore, /* 0.2.0 */
     .domainCoreDump = qemudDomainCoreDump, /* 0.7.0 */
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index 40078e4..1790332 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -166,6 +166,7 @@ qemuProcessHandleMonitorError(qemuMonitorPtr mon ATTRIBUTE_UNUSED,
     qemuDriverLock(driver);
     virDomainObjLock(vm);
 
+    ((qemuDomainObjPrivatePtr) vm->privateData)->monError = true;
     event = virDomainEventControlErrorNewFromObj(vm);
     if (event)
         qemuDomainEventQueue(driver, event);
@@ -2255,6 +2256,8 @@ int qemuProcessStart(virConnectPtr conn,
 #endif
         priv->monJSON = 0;
 
+    priv->monError = false;
+    priv->monStart = 0;
     priv->gotShutdown = false;
 
     if ((ret = virFileDeletePid(driver->stateDir, vm->def->name)) != 0) {
-- 
1.7.5.3