aboutsummaryrefslogtreecommitdiff
path: root/tests/VmsPublisherClientSample/src/com/google/android/car/vms/publisher/VmsPublisherClientSampleService.java
blob: 9f96ac208764b228f2e9156c5dabdd687e9ac204 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.android.car.vms.publisher;

import android.car.vms.VmsLayer;
import android.car.vms.VmsPublisherClientService;
import android.os.Handler;
import android.os.Message;

import java.util.List;

/**
 * This service is launched during the initialization of the VMS publisher service.
 * Once onVmsPublisherServiceReady is invoked, it starts publishing a single byte every second.
 */
public class VmsPublisherClientSampleService extends VmsPublisherClientService {
    public static final int PUBLISH_EVENT = 0;
    public static final int TEST_LAYER_ID = 0;
    public static final int TEST_LAYER_VERSION = 0;

    private byte counter = 0;

    private final Handler mHandler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            if (msg.what == PUBLISH_EVENT) {
                periodicPublish();
            }
        }
    };

    /**
     * Notifies that the publisher services are ready to be used: {@link #publish(int, int, byte[])}
     * and {@link #getSubscribers()}.
     */
    @Override
    public void onVmsPublisherServiceReady() {
        // Notify to the application that everything is ready to start publishing.
        Message message = mHandler.obtainMessage(PUBLISH_EVENT);
        mHandler.sendMessage(message);
    }

    @Override
    public void onVmsSubscriptionChange(List<VmsLayer> layers, long sequence) {
        // TODO(b/35327656): implement sample logic once the routing is ready (e.g. move the code in
        // onVmsPublisherServiceReady to this function).
    }

    private void periodicPublish() {
        publish(TEST_LAYER_ID, TEST_LAYER_VERSION, new byte[]{counter});
        ++counter;
        Message message = mHandler.obtainMessage(PUBLISH_EVENT);
        mHandler.sendMessageDelayed(message, 1000);
    }
}