Changeset 45780 in vbox for trunk/src/VBox/Main/include/GuestCtrlImplPrivate.h

Timestamp:

Apr 26, 2013 3:19:33 PM (12 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

85347

Message:

Main/GuestCtrl: Use active listeners instead of passive ones because of performance reasons (untested).

File:

• trunk/src/VBox/Main/include/GuestCtrlImplPrivate.h (modified) (4 diffs)

trunk/src/VBox/Main/include/GuestCtrlImplPrivate.h

@@ -375 +375 @@
 };
 
+class GuestWaitEvent
+{
+public:
+
+    GuestWaitEvent(uint32_t mCID, const std::list<VBoxEventType_T> &lstEvents);
+    virtual ~GuestWaitEvent(void);
+
+public:
+
+    uint32_t                         ContextID(void) { return mCID; };
+    const ComPtr<IEvent>             Event(void) { return mEvent; };
+    const std::list<VBoxEventType_T> Types(void) { return mEventTypes; };
+    int                              Signal(IEvent *pEvent);
+    int                              Wait(RTMSINTERVAL uTimeoutMS);
+
+protected:
+
+    uint32_t                   mCID;
+    std::list<VBoxEventType_T> mEventTypes;
+    /** The event semaphore for triggering
+     *  the actual event. */
+    RTSEMEVENT                 mEventSem;
+    /** Pointer to the actual event. */
+    ComPtr<IEvent>             mEvent;
+};
+typedef std::list < GuestWaitEvent* > GuestWaitEvents;
+typedef std::map < VBoxEventType_T, GuestWaitEvents > GuestWaitEventTypes;
+
 class GuestBase
 {
@@ -385 +413 @@
 public:
 
+    /** For external event listeners. */
+    int signalWaitEvents(VBoxEventType_T aType, IEvent *aEvent);
+
+public:
+
     int generateContextID(uint32_t uSessionID, uint32_t uObjectID, uint32_t *puContextID);
+    int registerEvent(uint32_t uSessionID, uint32_t uObjectID, const std::list<VBoxEventType_T> &lstEvents, GuestWaitEvent **ppEvent);
+    void unregisterEvent(GuestWaitEvent *pEvent);
+    void unregisterEventListener(void);
+    int waitForEvent(GuestWaitEvent *pEvent, uint32_t uTimeoutMS, VBoxEventType_T *pType, IEvent **ppEvent);
 
 protected:
@@ -394 +431 @@
     /** The next upcoming context ID for this object. */
     uint32_t                 mNextContextID;
+    /** Local listener for handling the waiting events. */
+    ComPtr<IEventListener>   mListener;
+    /** Critical section for wait events access. */
+    RTCRITSECT               mWaitEventCritSect;
+    /** Map of internal events to wait for. */
+    GuestWaitEventTypes      mWaitEvents;
 };
 
@@ -420 +463 @@
 
     int bindToSession(Console *pConsole, GuestSession *pSession, uint32_t uObjectID);
+    int registerEvent(const std::list<VBoxEventType_T> &lstEvents, GuestWaitEvent **ppEvent);
     int sendCommand(uint32_t uFunction, uint32_t uParms, PVBOXHGCMSVCPARM paParms);