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Commit b7e029d0 authored by Jaikumar Ganesh's avatar Jaikumar Ganesh
Browse files

Add an API to set the link timeout. 

This fixes the problem where the car dock is
powered on and off pretty quickly.

Change-Id: I8724641b8c337019f089b005cb236fc90549cf6f
parent 529b2854

core/java/android/server/BluetoothEventLoop.java

+5 −0
Original line number Diff line number Diff line
@@ -374,6 +374,11 @@ class BluetoothEventLoop { 
            Intent intent = null;

            if (propValues[1].equals("true")) {

                intent = new Intent(BluetoothDevice.ACTION_ACL_CONNECTED);

                // Set the link timeout to 8000 slots (5 sec timeout)

                // for bluetooth docks.

                if (mBluetoothService.isBluetoothDock(address)) {

                    mBluetoothService.setLinkTimeout(address, 8000);

                }

            } else {

                intent = new Intent(BluetoothDevice.ACTION_ACL_DISCONNECTED);

            }

core/java/android/server/BluetoothService.java

+8 −0
Original line number Diff line number Diff line
@@ -1910,6 +1910,13 @@ public class BluetoothService extends IBluetooth.Stub { 
        return path;

    }



    /*package */ void setLinkTimeout(String address, int num_slots) {

        String path = getObjectPathFromAddress(address);

        boolean result = setLinkTimeoutNative(path, num_slots);



        if (!result) log("Set Link Timeout to:" + num_slots + " slots failed");

    }



    private static void log(String msg) {

        Log.d(TAG, msg);

    }
@@ -1953,4 +1960,5 @@ public class BluetoothService extends IBluetooth.Stub { 
    private native int addRfcommServiceRecordNative(String name, long uuidMsb, long uuidLsb,

            short channel);

    private native boolean removeServiceRecordNative(int handle);

    private native boolean setLinkTimeoutNative(String path, int num_slots);

}

core/jni/android_server_BluetoothService.cpp

+21 −0
Original line number Diff line number Diff line
@@ -861,6 +861,26 @@ static jboolean removeServiceRecordNative(JNIEnv *env, jobject object, jint hand 
    return JNI_FALSE;

}



static jboolean setLinkTimeoutNative(JNIEnv *env, jobject object, jstring object_path,

                                     jint num_slots) {

    LOGV(__FUNCTION__);

#ifdef HAVE_BLUETOOTH

    native_data_t *nat = get_native_data(env, object);

    if (nat) {

        const char *c_object_path = env->GetStringUTFChars(object_path, NULL);

        DBusMessage *reply = dbus_func_args(env, nat->conn,

                           get_adapter_path(env, object),

                           DBUS_ADAPTER_IFACE, "SetLinkTimeout",

                           DBUS_TYPE_OBJECT_PATH, &c_object_path,

                           DBUS_TYPE_UINT32, &num_slots,

                           DBUS_TYPE_INVALID);

        env->ReleaseStringUTFChars(object_path, c_object_path);

        return reply ? JNI_TRUE : JNI_FALSE;

    }

#endif

    return JNI_FALSE;

}



static JNINativeMethod sMethods[] = {

     /* name, signature, funcPtr */

    {"classInitNative", "()V", (void*)classInitNative},
@@ -905,6 +925,7 @@ static JNINativeMethod sMethods[] = { 
    {"discoverServicesNative", "(Ljava/lang/String;Ljava/lang/String;)Z", (void *)discoverServicesNative},

    {"addRfcommServiceRecordNative", "(Ljava/lang/String;JJS)I", (void *)addRfcommServiceRecordNative},

    {"removeServiceRecordNative", "(I)Z", (void *)removeServiceRecordNative},

    {"setLinkTimeoutNative", "(Ljava/lang/String;I)Z", (void *)setLinkTimeoutNative},

};



int register_android_server_BluetoothService(JNIEnv *env) {