am 3e22ef1e: Merge "Better handling of rtsp connection and disconnection." into gingerbread

Merge commit '3e22ef1e111966df6ad527632fdc35d105c73916' into gingerbread-plus-aosp

* commit '3e22ef1e111966df6ad527632fdc35d105c73916':
  Better handling of rtsp connection and disconnection.

media/libstagefright/include/ARTSPController.h

@@ -19,6 +19,7 @@
 #define A_RTSP_CONTROLLER_H_
 
 #include <media/stagefright/foundation/ABase.h>
+#include <media/stagefright/foundation/AHandlerReflector.h>
 #include <media/stagefright/MediaExtractor.h>
 
 namespace android {
@@ -38,12 +39,32 @@ struct ARTSPController : public MediaExtractor {
     virtual sp<MetaData> getTrackMetaData(
             size_t index, uint32_t flags);
 
+    void onMessageReceived(const sp<AMessage> &msg);
+
 protected:
     virtual ~ARTSPController();
 
 private:
+    enum {
+        kWhatConnectDone    = 'cdon',
+        kWhatDisconnectDone = 'ddon',
+    };
+
+    enum State {
+        DISCONNECTED,
+        CONNECTED,
+        CONNECTING,
+    };
+
+    Mutex mLock;
+    Condition mCondition;
+
+    State mState;
+    status_t mConnectionResult;
+
     sp<ALooper> mLooper;
     sp<MyHandler> mHandler;
+    sp<AHandlerReflector<ARTSPController> > mReflector;
 
     DISALLOW_EVIL_CONSTRUCTORS(ARTSPController);
 };

media/libstagefright/rtsp/ARTSPController.cpp

@@ -26,31 +26,57 @@
 namespace android {
 
 ARTSPController::ARTSPController(const sp<ALooper> &looper)
-    : mLooper(looper) {
+    : mState(DISCONNECTED),
+      mLooper(looper) {
+    mReflector = new AHandlerReflector<ARTSPController>(this);
+    looper->registerHandler(mReflector);
 }
 
 ARTSPController::~ARTSPController() {
+    disconnect();
+    mLooper->unregisterHandler(mReflector->id());
 }
 
 status_t ARTSPController::connect(const char *url) {
-    if (mHandler != NULL) {
+    Mutex::Autolock autoLock(mLock);
+
+    if (mState != DISCONNECTED) {
         return ERROR_ALREADY_CONNECTED;
     }
 
+    sp<AMessage> msg = new AMessage(kWhatConnectDone, mReflector->id());
+
     mHandler = new MyHandler(url, mLooper);
-    mHandler->connect();
 
-    sleep(10);
+    mState = CONNECTING;
 
-    return OK;
+    mHandler->connect(msg);
+
+    while (mState == CONNECTING) {
+        mCondition.wait(mLock);
+    }
+
+    if (mState != CONNECTED) {
+        mHandler.clear();
+    }
+
+    return mConnectionResult;
 }
 
 void ARTSPController::disconnect() {
-    if (mHandler == NULL) {
+    Mutex::Autolock autoLock(mLock);
+
+    if (mState != CONNECTED) {
         return;
     }
 
-    mHandler->disconnect();
+    sp<AMessage> msg = new AMessage(kWhatDisconnectDone, mReflector->id());
+    mHandler->disconnect(msg);
+
+    while (mState == CONNECTED) {
+        mCondition.wait(mLock);
+    }
+
     mHandler.clear();
 }
 
@@ -75,4 +101,31 @@ sp<MetaData> ARTSPController::getTrackMetaData(
     return mHandler->getPacketSource(index)->getFormat();
 }
 
+void ARTSPController::onMessageReceived(const sp<AMessage> &msg) {
+    switch (msg->what()) {
+        case kWhatConnectDone:
+        {
+            Mutex::Autolock autoLock(mLock);
+
+            CHECK(msg->findInt32("result", &mConnectionResult));
+            mState = (mConnectionResult == OK) ? CONNECTED : DISCONNECTED;
+
+            mCondition.signal();
+            break;
+        }
+
+        case kWhatDisconnectDone:
+        {
+            Mutex::Autolock autoLock(mLock);
+            mState = DISCONNECTED;
+            mCondition.signal();
+            break;
+        }
+
+        default:
+            TRESPASS();
+            break;
+    }
+}
+
 }  // namespace android

media/libstagefright/rtsp/MyHandler.h

@@ -45,18 +45,21 @@ struct MyHandler : public AHandler {
                           PRIORITY_HIGHEST);
     }
 
-    void connect() {
+    void connect(const sp<AMessage> &doneMsg) {
+        mDoneMsg = doneMsg;
+
         mLooper->registerHandler(this);
         mLooper->registerHandler(mConn);
         (1 ? mNetLooper : mLooper)->registerHandler(mRTPConn);
-        sp<AMessage> reply = new AMessage('conn', id());
 
+        sp<AMessage> reply = new AMessage('conn', id());
         mConn->connect(mSessionURL.c_str(), reply);
     }
 
-    void disconnect() {
-        sp<AMessage> reply = new AMessage('disc', id());
-        mConn->disconnect(reply);
+    void disconnect(const sp<AMessage> &doneMsg) {
+        mDoneMsg = doneMsg;
+
+        (new AMessage('abor', id()))->post();
     }
 
     virtual void onMessageReceived(const sp<AMessage> &msg) {
@@ -250,8 +253,9 @@ struct MyHandler : public AHandler {
 
                     CHECK_EQ(response->mStatusCode, 200u);
 
-                    sp<AMessage> msg = new AMessage('abor', id());
-                    msg->post(60000000ll);
+                    mDoneMsg->setInt32("result", OK);
+                    mDoneMsg->post();
+                    mDoneMsg = NULL;
                 } else {
                     sp<AMessage> reply = new AMessage('disc', id());
                     mConn->disconnect(reply);
@@ -301,6 +305,11 @@ struct MyHandler : public AHandler {
 
             case 'quit':
             {
+                if (mDoneMsg != NULL) {
+                    mDoneMsg->setInt32("result", UNKNOWN_ERROR);
+                    mDoneMsg->post();
+                    mDoneMsg = NULL;
+                }
                 break;
             }
 
@@ -380,6 +389,8 @@ private:
     };
     Vector<TrackInfo> mTracks;
 
+    sp<AMessage> mDoneMsg;
+
     void setupTrack(size_t index) {
         sp<APacketSource> source =
             new APacketSource(mSessionDesc, index);