Handle client loss for a full connection (c23971b3) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/util/AsyncChannel.java

+24 −11

Original line number	Diff line number	Diff line
		@@ -135,6 +135,8 @@ public class AsyncChannel {
		* channel is forcibly disconnected by the system or as a reply to CMD_CHANNEL_DISCONNECT.
		*
		* msg.arg1 == 0 : STATUS_SUCCESSFUL
		* 1 : STATUS_BINDING_UNSUCCESSFUL
		* 2 : STATUS_SEND_UNSUCCESSFUL
		* : All other values signify failure and the channel state is indeterminate
		* msg.obj == the AsyncChannel
		* msg.replyTo = messenger disconnecting or null if it was never connected.
		@@ -147,6 +149,9 @@ public class AsyncChannel {
		/** Error attempting to bind on a connect */
		public static final int STATUS_BINDING_UNSUCCESSFUL = 1;

		/** Error attempting to send a message */
		public static final int STATUS_SEND_UNSUCCESSFUL = 2;

		/** Service connection */
		private AsyncChannelConnection mConnection;

		@@ -345,11 +350,7 @@ public class AsyncChannel {
		mSrcContext.unbindService(mConnection);
		}
		if (mSrcHandler != null) {
		Message msg = mSrcHandler.obtainMessage(CMD_CHANNEL_DISCONNECTED);
		msg.arg1 = STATUS_SUCCESSFUL;
		msg.obj = this;
		msg.replyTo = mDstMessenger;
		mSrcHandler.sendMessage(msg);
		replyDisconnected(STATUS_SUCCESSFUL);
		}
		}

		@@ -363,7 +364,7 @@ public class AsyncChannel {
		try {
		mDstMessenger.send(msg);
		} catch (RemoteException e) {
		log("TODO: handle sendMessage RemoteException" + e);
		replyDisconnected(STATUS_SEND_UNSUCCESSFUL);
		}
		}

		@@ -712,6 +713,7 @@ public class AsyncChannel {

		/**
		* Reply to the src handler that we're half connected.
		* see: CMD_CHANNEL_HALF_CONNECTED for message contents
		*
		* @param status to be stored in msg.arg1
		*/
		@@ -723,6 +725,21 @@ public class AsyncChannel {
		mSrcHandler.sendMessage(msg);
		}

		/**
		* Reply to the src handler that we are disconnected
		* see: CMD_CHANNEL_DISCONNECTED for message contents
		*
		* @param status to be stored in msg.arg1
		*/
		private void replyDisconnected(int status) {
		Message msg = mSrcHandler.obtainMessage(CMD_CHANNEL_DISCONNECTED);
		msg.arg1 = status;
		msg.obj = this;
		msg.replyTo = mDstMessenger;
		mSrcHandler.sendMessage(msg);
		}


		/**
		* ServiceConnection to receive call backs.
		*/
		@@ -736,11 +753,7 @@ public class AsyncChannel {
		}

		public void onServiceDisconnected(ComponentName className) {
		Message msg = mSrcHandler.obtainMessage(CMD_CHANNEL_DISCONNECTED);
		msg.arg1 = STATUS_SUCCESSFUL;
		msg.obj = AsyncChannel.this;
		msg.replyTo = mDstMessenger;
		mSrcHandler.sendMessage(msg);
		replyDisconnected(STATUS_SUCCESSFUL);
		}
		}

services/java/com/android/server/WifiService.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -229,6 +229,15 @@ public class WifiService extends IWifiManager.Stub {
		}
		break;
		}
		case AsyncChannel.CMD_CHANNEL_DISCONNECTED: {
		if (msg.arg1 == AsyncChannel.STATUS_SEND_UNSUCCESSFUL) {
		Slog.d(TAG, "Send failed, client connection lost");
		} else {
		Slog.d(TAG, "Client connection lost with reason: " + msg.arg1);
		}
		mClients.remove((AsyncChannel) msg.obj);
		break;
		}
		case AsyncChannel.CMD_CHANNEL_FULL_CONNECTION: {
		AsyncChannel ac = new AsyncChannel();
		ac.connect(mContext, this, msg.replyTo);