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Commit 00b351ae authored by Ashutosh Joshi's avatar Ashutosh Joshi
Browse files

Add state for loading/unloading apps 

Add state for loading/unloading nanoApps.
Pass on OS response to ContextHubService clients.

Bug: 29193948

Change-Id: I700f3bdbb8e84413455751dec02a812a639421b3
parent 1165790f

core/java/android/hardware/location/ContextHubService.java

+53 −27
Original line number Diff line number Diff line
@@ -16,6 +16,11 @@ 


package android.hardware.location;



import java.io.FileDescriptor;

import java.io.PrintWriter;

import java.util.ArrayList;

import java.util.HashMap;



import android.Manifest;

import android.content.Context;

import android.content.pm.PackageManager;
@@ -53,10 +58,14 @@ public class ContextHubService extends IContextHubService.Stub { 
    private static final int PRE_LOADED_APP_MEM_REQ = 0;



    private static final int MSG_HEADER_SIZE = 4;

    private static final int MSG_FIELD_TYPE = 0;

    private static final int MSG_FIELD_VERSION = 1;

    private static final int MSG_FIELD_HUB_HANDLE = 2;

    private static final int MSG_FIELD_APP_INSTANCE = 3;

    private static final int HEADER_FIELD_MSG_TYPE = 0;

    private static final int HEADER_FIELD_MSG_VERSION = 1;

    private static final int HEADER_FIELD_HUB_HANDLE = 2;

    private static final int HEADER_FIELD_APP_INSTANCE = 3;



    private static final int HEADER_FIELD_LOAD_APP_ID_LO = MSG_HEADER_SIZE;

    private static final int HEADER_FIELD_LOAD_APP_ID_HI = MSG_HEADER_SIZE + 1;

    private static final int MSG_LOAD_APP_HEADER_SIZE = MSG_HEADER_SIZE + 2;



    private static final int OS_APP_INSTANCE = -1;
@@ -146,11 +155,16 @@ public class ContextHubService extends IContextHubService.Stub { 
            return -1;

        }



        int[] msgHeader = new int[MSG_HEADER_SIZE];

        msgHeader[MSG_FIELD_HUB_HANDLE] = contextHubHandle;

        msgHeader[MSG_FIELD_APP_INSTANCE] = OS_APP_INSTANCE;

        msgHeader[MSG_FIELD_VERSION] = 0;

        msgHeader[MSG_FIELD_TYPE] = MSG_LOAD_NANO_APP;

        int[] msgHeader = new int[MSG_LOAD_APP_HEADER_SIZE];

        msgHeader[HEADER_FIELD_HUB_HANDLE] = contextHubHandle;

        msgHeader[HEADER_FIELD_APP_INSTANCE] = OS_APP_INSTANCE;

        msgHeader[HEADER_FIELD_MSG_VERSION] = 0;

        msgHeader[HEADER_FIELD_MSG_TYPE] = MSG_LOAD_NANO_APP;



        long appId = app.getAppId();



        msgHeader[HEADER_FIELD_LOAD_APP_ID_LO] = (int)(appId & 0xFFFFFFFF);

        msgHeader[HEADER_FIELD_LOAD_APP_ID_HI] = (int)((appId >> 32) & 0xFFFFFFFF);



        if (nativeSendMessage(msgHeader, app.getAppBinary()) != 0) {

            return -1;
@@ -169,12 +183,14 @@ public class ContextHubService extends IContextHubService.Stub { 


        // Call Native interface here

        int[] msgHeader = new int[MSG_HEADER_SIZE];

        msgHeader[MSG_FIELD_HUB_HANDLE] = ANY_HUB;

        msgHeader[MSG_FIELD_APP_INSTANCE] = OS_APP_INSTANCE;

        msgHeader[MSG_FIELD_VERSION] = 0;

        msgHeader[MSG_FIELD_TYPE] = MSG_UNLOAD_NANO_APP;

        msgHeader[HEADER_FIELD_HUB_HANDLE] = ANY_HUB;

        msgHeader[HEADER_FIELD_APP_INSTANCE] = nanoAppInstanceHandle;

        msgHeader[HEADER_FIELD_MSG_VERSION] = 0;

        msgHeader[HEADER_FIELD_MSG_TYPE] = MSG_UNLOAD_NANO_APP;



        if (nativeSendMessage(msgHeader, null) != 0) {

        byte msg[] = new byte[0];



        if (nativeSendMessage(msgHeader, msg) != 0) {

            return -1;

        }
@@ -222,10 +238,10 @@ public class ContextHubService extends IContextHubService.Stub { 
        checkPermissions();



        int[] msgHeader = new int[MSG_HEADER_SIZE];

        msgHeader[MSG_FIELD_HUB_HANDLE] = hubHandle;

        msgHeader[MSG_FIELD_APP_INSTANCE] = nanoAppHandle;

        msgHeader[MSG_FIELD_VERSION] = msg.getVersion();

        msgHeader[MSG_FIELD_TYPE] = msg.getMsgType();

        msgHeader[HEADER_FIELD_HUB_HANDLE] = hubHandle;

        msgHeader[HEADER_FIELD_APP_INSTANCE] = nanoAppHandle;

        msgHeader[HEADER_FIELD_MSG_VERSION] = msg.getVersion();

        msgHeader[HEADER_FIELD_MSG_TYPE] = msg.getMsgType();



        return nativeSendMessage(msgHeader, msg.getData());

    }
@@ -269,15 +285,17 @@ public class ContextHubService extends IContextHubService.Stub { 
            Log.v(TAG, "No message callbacks registered.");

            return 0;

        }

        ContextHubMessage message =

                new ContextHubMessage(header[MSG_FIELD_TYPE], header[MSG_FIELD_VERSION], data);



        ContextHubMessage msg = new ContextHubMessage(header[HEADER_FIELD_MSG_TYPE],

                                                      header[HEADER_FIELD_MSG_VERSION],

                                                      data);

        for (int i = 0; i < callbacksCount; ++i) {

            IContextHubCallback callback = mCallbacksList.getBroadcastItem(i);

            try {

                callback.onMessageReceipt(

                        header[MSG_FIELD_HUB_HANDLE],

                        header[MSG_FIELD_APP_INSTANCE],

                        message);

                        header[HEADER_FIELD_HUB_HANDLE],

                        header[HEADER_FIELD_APP_INSTANCE],

                        msg);

            } catch (RemoteException e) {

                Log.i(TAG, "Exception (" + e + ") calling remote callback (" + callback + ").");

                continue;
@@ -308,12 +326,20 @@ public class ContextHubService extends IContextHubService.Stub { 
        return 0;

    }



    private int deleteAppInstance(int appInstanceHandle) {

        if (mNanoAppHash.remove(appInstanceHandle) == null) {

            return -1;

        }



        return 0;

    }



    private void sendVrStateChangeMessageToApp(NanoAppInstanceInfo app, boolean vrModeEnabled) {

        int[] msgHeader = new int[MSG_HEADER_SIZE];

        msgHeader[MSG_FIELD_TYPE] = 0;

        msgHeader[MSG_FIELD_VERSION] = 0;

        msgHeader[MSG_FIELD_HUB_HANDLE] = ANY_HUB;

        msgHeader[MSG_FIELD_APP_INSTANCE] = app.getHandle();

        msgHeader[HEADER_FIELD_MSG_TYPE] = 0;

        msgHeader[HEADER_FIELD_MSG_VERSION] = 0;

        msgHeader[HEADER_FIELD_HUB_HANDLE] = ANY_HUB;

        msgHeader[HEADER_FIELD_APP_INSTANCE] = app.getHandle();



        byte[] data = new byte[1];

        data[0] = (byte) ((vrModeEnabled) ? 1 : 0);

core/jni/android_hardware_location_ContextHubService.cpp

+502 −91

File changed.

Preview size limit exceeded, changes collapsed.