[libvirt] [PATCH 25/66] vbox: Rewrite vboxDomainResume

[Taowei]

---
 src/vbox/vbox_common.c        |   47 +++++++++++++++++++++++++++++
 src/vbox/vbox_tmpl.c          |   66 ++++++++---------------------------------
 src/vbox/vbox_uniformed_api.h |    3 ++
 3 files changed, 63 insertions(+), 53 deletions(-)

diff --git a/src/vbox/vbox_common.c b/src/vbox/vbox_common.c
index d796be7..6b8a9e7 100644
--- a/src/vbox/vbox_common.c
+++ b/src/vbox/vbox_common.c
@@ -2409,3 +2409,50 @@ int vboxDomainSuspend(virDomainPtr dom)
     vboxIIDUnalloc(&iid);
     return ret;
 }
+
+int vboxDomainResume(virDomainPtr dom)
+{
+    VBOX_OBJECT_CHECK(dom->conn, int, -1);
+    IMachine *machine    = NULL;
+    vboxIIDUnion iid;
+    IConsole *console    = NULL;
+    PRUint32 state;
+    PRBool isAccessible = PR_FALSE;
+
+    if (openSessionForMachine(data, dom->uuid, &iid, &machine, false) < 0)
+        goto cleanup;
+
+    if (!machine)
+        goto cleanup;
+
+    gVBoxAPI.UIMachine.GetAccessible(machine, &isAccessible);
+    if (!isAccessible)
+        goto cleanup;
+
+    gVBoxAPI.UIMachine.GetState(machine, &state);
+
+    if (gVBoxAPI.machineStateChecker.Paused(state)) {
+        /* resume the machine here */
+        gVBoxAPI.UISession.OpenExisting(data, &iid, machine);
+        gVBoxAPI.UISession.GetConsole(data->vboxSession, &console);
+        if (console) {
+            gVBoxAPI.UIConsole.Resume(console);
+            VBOX_RELEASE(console);
+            ret = 0;
+        } else {
+            virReportError(VIR_ERR_OPERATION_FAILED, "%s",
+                           _("error while resuming the domain"));
+            goto cleanup;
+        }
+        gVBoxAPI.UISession.Close(data->vboxSession);
+    } else {
+        virReportError(VIR_ERR_OPERATION_FAILED, "%s",
+                       _("machine not paused, so can't resume it"));
+        goto cleanup;
+    }
+
+ cleanup:
+    VBOX_RELEASE(machine);
+    vboxIIDUnalloc(&iid);
+    return ret;
+}
diff --git a/src/vbox/vbox_tmpl.c b/src/vbox/vbox_tmpl.c
index df7c290..95c38d4 100644
--- a/src/vbox/vbox_tmpl.c
+++ b/src/vbox/vbox_tmpl.c
@@ -932,59 +932,6 @@ vboxSocketParseAddrUtf16(vboxGlobalData *data, const PRUnichar *utf16,
     return result;
 }
 
-static int vboxDomainResume(virDomainPtr dom)
-{
-    VBOX_OBJECT_CHECK(dom->conn, int, -1);
-    IMachine *machine    = NULL;
-    vboxIID iid = VBOX_IID_INITIALIZER;
-    IConsole *console    = NULL;
-    PRUint32 state       = MachineState_Null;
-    nsresult rc;
-
-    PRBool isAccessible = PR_FALSE;
-
-    vboxIIDFromUUID(&iid, dom->uuid);
-    rc = VBOX_OBJECT_GET_MACHINE(iid.value, &machine);
-    if (NS_FAILED(rc)) {
-        virReportError(VIR_ERR_NO_DOMAIN,
-                       _("no domain with matching id %d"), dom->id);
-        goto cleanup;
-    }
-
-    if (!machine)
-        goto cleanup;
-
-    machine->vtbl->GetAccessible(machine, &isAccessible);
-    if (isAccessible) {
-        machine->vtbl->GetState(machine, &state);
-
-        if (state == MachineState_Paused) {
-            /* resume the machine here */
-            VBOX_SESSION_OPEN_EXISTING(iid.value, machine);
-            data->vboxSession->vtbl->GetConsole(data->vboxSession, &console);
-            if (console) {
-                console->vtbl->Resume(console);
-                VBOX_RELEASE(console);
-                ret = 0;
-            } else {
-                virReportError(VIR_ERR_OPERATION_FAILED, "%s",
-                               _("error while resuming the domain"));
-                goto cleanup;
-            }
-            VBOX_SESSION_CLOSE();
-        } else {
-            virReportError(VIR_ERR_OPERATION_FAILED, "%s",
-                           _("machine not paused, so can't resume it"));
-            goto cleanup;
-        }
-    }
-
- cleanup:
-    VBOX_RELEASE(machine);
-    vboxIIDUnalloc(&iid);
-    return ret;
-}
-
 static int vboxDomainShutdownFlags(virDomainPtr dom,
                                    unsigned int flags)
 {
@@ -9999,6 +9946,12 @@ _consolePause(IConsole *console)
 }
 
 static nsresult
+_consoleResume(IConsole *console)
+{
+    return console->vtbl->Resume(console);
+}
+
+static nsresult
 _progressWaitForCompletion(IProgress *progress, PRInt32 timeout)
 {
     return progress->vtbl->WaitForCompletion(progress, timeout);
@@ -10431,6 +10384,11 @@ static bool _machineStateRunning(PRUint32 state)
     return state == MachineState_Running;
 }
 
+static bool _machineStatePaused(PRUint32 state)
+{
+    return state == MachineState_Paused;
+}
+
 static vboxUniformedPFN _UPFN = {
     .Initialize = _pfnInitialize,
     .Uninitialize = _pfnUninitialize,
@@ -10512,6 +10470,7 @@ static vboxUniformedISession _UISession = {
 static vboxUniformedIConsole _UIConsole = {
     .SaveState = _consoleSaveState,
     .Pause = _consolePause,
+    .Resume = _consoleResume,
 };
 
 static vboxUniformedIProgress _UIProgress = {
@@ -10598,6 +10557,7 @@ static uniformedMachineStateChecker _machineStateChecker = {
     .Online = _machineStateOnline,
     .NotStart = _machineStateNotStart,
     .Running = _machineStateRunning,
+    .Paused = _machineStatePaused,
 };
 
 void NAME(InstallUniformedAPI)(vboxUniformedAPI *pVBoxAPI)
diff --git a/src/vbox/vbox_uniformed_api.h b/src/vbox/vbox_uniformed_api.h
index 8334437..b370e4f 100644
--- a/src/vbox/vbox_uniformed_api.h
+++ b/src/vbox/vbox_uniformed_api.h
@@ -238,6 +238,7 @@ typedef struct {
 typedef struct {
     nsresult (*SaveState)(IConsole *console, IProgress **progress);
     nsresult (*Pause)(IConsole *console);
+    nsresult (*Resume)(IConsole *console);
 } vboxUniformedIConsole;
 
 /* Functions for IProgress */
@@ -341,6 +342,7 @@ typedef struct {
     bool (*Online)(PRUint32 state);
     bool (*NotStart)(PRUint32 state);
     bool (*Running)(PRUint32 state);
+    bool (*Paused)(PRUint32 state);
 } uniformedMachineStateChecker;
 
 typedef struct {
@@ -417,6 +419,7 @@ int vboxDomainIsActive(virDomainPtr dom);
 int vboxDomainIsPersistent(virDomainPtr dom);
 int vboxDomainIsUpdated(virDomainPtr dom);
 int vboxDomainSuspend(virDomainPtr dom);
+int vboxDomainResume(virDomainPtr dom);
 
 /* Version specified functions for installing uniformed API */
 void vbox22InstallUniformedAPI(vboxUniformedAPI *pVBoxAPI);
-- 
1.7.9.5