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Commit 518a7627 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
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Merge "[CDM Transport] Update synchronization logic" into udc-dev am: 427cacab 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22686856



Change-Id: Ic17aa8c3a4b21875a6c5e11fcc3ded1ed11547a1
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents a56d9415 427cacab

services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java

+0 −4
Original line number Diff line number Diff line
@@ -604,25 +604,21 @@ public class CompanionDeviceManagerService extends SystemService { 
        }



        @Override

        @GuardedBy("CompanionDeviceManagerService.this.mTransportManager.mTransports")

        public void addOnTransportsChangedListener(IOnTransportsChangedListener listener) {

            mTransportManager.addListener(listener);

        }



        @Override

        @GuardedBy("CompanionDeviceManagerService.this.mTransportManager.mTransports")

        public void removeOnTransportsChangedListener(IOnTransportsChangedListener listener) {

            mTransportManager.removeListener(listener);

        }



        @Override

        @GuardedBy("CompanionDeviceManagerService.this.mTransportManager.mTransports")

        public void sendMessage(int messageType, byte[] data, int[] associationIds) {

            mTransportManager.sendMessage(messageType, data, associationIds);

        }



        @Override

        @GuardedBy("CompanionDeviceManagerService.this.mTransportManager.mTransports")

        public void addOnMessageReceivedListener(int messageType,

                IOnMessageReceivedListener listener) {

            mTransportManager.addListener(messageType, listener);

services/companion/java/com/android/server/companion/transport/CompanionTransportManager.java

+34 −28
Original line number Diff line number Diff line
@@ -96,22 +96,23 @@ public class CompanionTransportManager { 
    /**

     * Add a listener to receive callbacks when a message is received for the message type

     */

    @GuardedBy("mTransports")

    public void addListener(int message, @NonNull IOnMessageReceivedListener listener) {

        mMessageListeners.put(message, listener);

        synchronized (mTransports) {

            for (int i = 0; i < mTransports.size(); i++) {

                mTransports.valueAt(i).addListener(message, listener);

            }

        }

    }



    /**

     * Add a listener to receive callbacks when any of the transports is changed

     */

    @GuardedBy("mTransports")

    public void addListener(IOnTransportsChangedListener listener) {

        Slog.i(TAG, "Registering OnTransportsChangedListener");

        mTransportsListeners.register(listener);

        List<AssociationInfo> associations = new ArrayList<>();

        synchronized (mTransports) {

            for (int i = 0; i < mTransports.size(); i++) {

                AssociationInfo association = mAssociationStore.getAssociationById(

                        mTransports.keyAt(i));
@@ -119,6 +120,7 @@ public class CompanionTransportManager { 
                    associations.add(association);

                }

            }

        }

        mTransportsListeners.broadcast(listener1 -> {

            // callback to the current listener with all the associations of the transports

            // immediately
@@ -148,10 +150,10 @@ public class CompanionTransportManager { 
    /**

     * Send a message to remote devices through the transports

     */

    @GuardedBy("mTransports")

    public void sendMessage(int message, byte[] data, int[] associationIds) {

        Slog.i(TAG, "Sending message 0x" + Integer.toHexString(message)

                + " data length " + data.length);

        synchronized (mTransports) {

            for (int i = 0; i < associationIds.length; i++) {

                if (mTransports.contains(associationIds[i])) {

                    try {
@@ -164,6 +166,7 @@ public class CompanionTransportManager { 
                }

            }

        }

    }



    /**

     * For the moment, we only offer transporting of system data to built-in
@@ -215,9 +218,9 @@ public class CompanionTransportManager { 
        }

    }



    @GuardedBy("mTransports")

    private void notifyOnTransportsChanged() {

        List<AssociationInfo> associations = new ArrayList<>();

        synchronized (mTransports) {

            for (int i = 0; i < mTransports.size(); i++) {

                AssociationInfo association = mAssociationStore.getAssociationById(

                        mTransports.keyAt(i));
@@ -225,6 +228,7 @@ public class CompanionTransportManager { 
                    associations.add(association);

                }

            }

        }

        mTransportsListeners.broadcast(listener -> {

            try {

                listener.onTransportsChanged(associations);
@@ -233,14 +237,15 @@ public class CompanionTransportManager { 
        });

    }



    @GuardedBy("mTransports")

    private void initializeTransport(int associationId, ParcelFileDescriptor fd) {

        Slog.i(TAG, "Initializing transport");

        if (!isSecureTransportEnabled()) {

            Transport transport = new RawTransport(associationId, fd, mContext);

            addMessageListenersToTransport(transport);

            transport.start();

            synchronized (mTransports) {

                mTransports.put(associationId, transport);

            }

            Slog.i(TAG, "RawTransport is created");

            return;

        }
@@ -283,7 +288,6 @@ public class CompanionTransportManager { 
    /**

     * Depending on the remote platform info to decide which transport should be created

     */

    @GuardedBy("CompanionTransportManager.this.mTransports")

    private void onPlatformInfoReceived(int associationId, byte[] data) {

        if (mTempTransport.getAssociationId() != associationId) {

            return;
@@ -330,7 +334,9 @@ public class CompanionTransportManager { 
        }

        addMessageListenersToTransport(transport);

        transport.start();

        synchronized (mTransports) {

            mTransports.put(transport.getAssociationId(), transport);

        }

        // Doesn't need to notifyTransportsChanged here, it'll be done in attachSystemDataTransport

    }