1/*
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#define LOG_TAG "SurfaceParcelable_test"
18
19#include <gtest/gtest.h>
20
21#include <binder/IServiceManager.h>
22#include <binder/ProcessState.h>
23#include <gui/BufferHubProducer.h>
24#include <gui/BufferQueue.h>
25#include <gui/view/Surface.h>
26#include <utils/Log.h>
27
28namespace android {
29
30static const String16 kTestServiceName = String16("SurfaceParcelableTestService");
31static const String16 kSurfaceName = String16("TEST_SURFACE");
32static const uint32_t kBufferWidth = 100;
33static const uint32_t kBufferHeight = 1;
34static const uint32_t kBufferFormat = HAL_PIXEL_FORMAT_BLOB;
35
36enum SurfaceParcelableTestServiceCode {
37    CREATE_BUFFER_QUEUE_SURFACE = IBinder::FIRST_CALL_TRANSACTION,
38    CREATE_BUFFER_HUB_SURFACE,
39};
40
41class SurfaceParcelableTestService : public BBinder {
42public:
43    SurfaceParcelableTestService() {
44        // BufferQueue
45        BufferQueue::createBufferQueue(&mBufferQueueProducer, &mBufferQueueConsumer);
46
47        // BufferHub
48        dvr::ProducerQueueConfigBuilder configBuilder;
49        mProducerQueue = dvr::ProducerQueue::Create(configBuilder.SetDefaultWidth(kBufferWidth)
50                                                            .SetDefaultHeight(kBufferHeight)
51                                                            .SetDefaultFormat(kBufferFormat)
52                                                            .Build(),
53                                                    dvr::UsagePolicy{});
54        mBufferHubProducer = BufferHubProducer::Create(mProducerQueue);
55    }
56
57    ~SurfaceParcelableTestService() = default;
58
59    virtual status_t onTransact(uint32_t code, const Parcel& /*data*/, Parcel* reply,
60                                uint32_t /*flags*/ = 0) {
61        switch (code) {
62            case CREATE_BUFFER_QUEUE_SURFACE: {
63                view::Surface surfaceShim;
64                surfaceShim.name = kSurfaceName;
65                surfaceShim.graphicBufferProducer = mBufferQueueProducer;
66                return surfaceShim.writeToParcel(reply);
67            }
68            case CREATE_BUFFER_HUB_SURFACE: {
69                view::Surface surfaceShim;
70                surfaceShim.name = kSurfaceName;
71                surfaceShim.graphicBufferProducer = mBufferHubProducer;
72                return surfaceShim.writeToParcel(reply);
73            }
74            default:
75                return UNKNOWN_TRANSACTION;
76        };
77    }
78
79protected:
80    sp<IGraphicBufferProducer> mBufferQueueProducer;
81    sp<IGraphicBufferConsumer> mBufferQueueConsumer;
82
83    std::shared_ptr<dvr::ProducerQueue> mProducerQueue;
84    sp<IGraphicBufferProducer> mBufferHubProducer;
85};
86
87static int runBinderServer() {
88    ProcessState::self()->startThreadPool();
89
90    sp<IServiceManager> sm = defaultServiceManager();
91    sp<SurfaceParcelableTestService> service = new SurfaceParcelableTestService;
92    sm->addService(kTestServiceName, service, false);
93
94    ALOGI("Binder server running...");
95
96    while (true) {
97        int stat, retval;
98        retval = wait(&stat);
99        if (retval == -1 && errno == ECHILD) {
100            break;
101        }
102    }
103
104    ALOGI("Binder server exiting...");
105    return 0;
106}
107
108class SurfaceParcelableTest : public ::testing::TestWithParam<uint32_t> {
109protected:
110    virtual void SetUp() {
111        mService = defaultServiceManager()->getService(kTestServiceName);
112        if (mService == nullptr) {
113            ALOGE("Failed to connect to the test service.");
114            return;
115        }
116
117        ALOGI("Binder service is ready for client.");
118    }
119
120    status_t GetSurface(view::Surface* surfaceShim) {
121        ALOGI("...Test: %d", GetParam());
122
123        uint32_t opCode = GetParam();
124        Parcel data;
125        Parcel reply;
126        status_t error = mService->transact(opCode, data, &reply);
127        if (error != NO_ERROR) {
128            ALOGE("Failed to get surface over binder, error=%d.", error);
129            return error;
130        }
131
132        error = surfaceShim->readFromParcel(&reply);
133        if (error != NO_ERROR) {
134            ALOGE("Failed to get surface from parcel, error=%d.", error);
135            return error;
136        }
137
138        return NO_ERROR;
139    }
140
141private:
142    sp<IBinder> mService;
143};
144
145TEST_P(SurfaceParcelableTest, SendOverBinder) {
146    view::Surface surfaceShim;
147    EXPECT_EQ(GetSurface(&surfaceShim), NO_ERROR);
148    EXPECT_EQ(surfaceShim.name, kSurfaceName);
149    EXPECT_FALSE(surfaceShim.graphicBufferProducer == nullptr);
150}
151
152INSTANTIATE_TEST_CASE_P(SurfaceBackends, SurfaceParcelableTest,
153                        ::testing::Values(CREATE_BUFFER_QUEUE_SURFACE, CREATE_BUFFER_HUB_SURFACE));
154
155} // namespace android
156
157int main(int argc, char** argv) {
158    pid_t pid = fork();
159    if (pid == 0) {
160        android::ProcessState::self()->startThreadPool();
161        ::testing::InitGoogleTest(&argc, argv);
162        return RUN_ALL_TESTS();
163
164    } else {
165        ALOGI("Test process pid: %d.", pid);
166        return android::runBinderServer();
167    }
168}
169