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/*
* Copyright (C) 2019 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.
*/
#define LOG_TAG "GraphicBufferOverBinder_test"
#include <binder/IServiceManager.h>
#include <binder/Parcel.h>
#include <binder/ProcessState.h>
#include <gtest/gtest.h>
#include <ui/GraphicBuffer.h>
#include <utils/Log.h>
namespace android {
constexpr uint32_t kTestWidth = 1024;
constexpr uint32_t kTestHeight = 1;
constexpr uint32_t kTestFormat = HAL_PIXEL_FORMAT_BLOB;
constexpr uint32_t kTestLayerCount = 1;
constexpr uint64_t kTestUsage = GraphicBuffer::USAGE_SW_WRITE_OFTEN;
static const String16 kTestServiceName = String16("GraphicBufferOverBinderTestService");
enum GraphicBufferOverBinderTestServiceCode {
GRAPHIC_BUFFER = IBinder::FIRST_CALL_TRANSACTION,
};
class GraphicBufferOverBinderTestService : public BBinder {
public:
GraphicBufferOverBinderTestService() {
// GraphicBuffer
mGraphicBuffer = new GraphicBuffer(kTestWidth, kTestHeight, kTestFormat, kTestLayerCount,
kTestUsage);
}
~GraphicBufferOverBinderTestService() = default;
virtual status_t onTransact(uint32_t code, const Parcel& /*data*/, Parcel* reply,
uint32_t /*flags*/ = 0) {
switch (code) {
case GRAPHIC_BUFFER: {
return reply->write(*mGraphicBuffer);
}
default:
return UNKNOWN_TRANSACTION;
};
}
protected:
sp<GraphicBuffer> mGraphicBuffer;
};
static int runBinderServer() {
ProcessState::self()->startThreadPool();
sp<IServiceManager> sm = defaultServiceManager();
sp<GraphicBufferOverBinderTestService> service = new GraphicBufferOverBinderTestService;
sm->addService(kTestServiceName, service, false);
ALOGI("Binder server running...");
while (true) {
int stat, retval;
retval = wait(&stat);
if (retval == -1 && errno == ECHILD) {
break;
}
}
ALOGI("Binder server exiting...");
return 0;
}
class GraphicBufferOverBinderTest : public ::testing::TestWithParam<uint32_t> {
protected:
virtual void SetUp() {
mService = defaultServiceManager()->getService(kTestServiceName);
if (mService == nullptr) {
ALOGE("Failed to connect to the test service.");
return;
}
ALOGI("Binder service is ready for client.");
}
status_t GetGraphicBuffer(sp<GraphicBuffer>* outBuf, uint32_t opCode) {
Parcel data;
Parcel reply;
status_t error = mService->transact(opCode, data, &reply);
if (error != NO_ERROR) {
ALOGE("Failed to get graphic buffer over binder, error=%d.", error);
return error;
}
*outBuf = new GraphicBuffer();
return reply.read(**outBuf);
}
private:
sp<IBinder> mService;
};
TEST_F(GraphicBufferOverBinderTest, SendGraphicBufferOverBinder) {
sp<GraphicBuffer> gb;
EXPECT_EQ(GetGraphicBuffer(&gb, GRAPHIC_BUFFER), OK);
EXPECT_NE(gb, nullptr);
void* vaddr;
EXPECT_EQ(gb->lock(kTestUsage, &vaddr), OK);
EXPECT_EQ(gb->unlock(), OK);
}
} // namespace android
int main(int argc, char** argv) {
pid_t pid = fork();
if (pid == 0) {
android::ProcessState::self()->startThreadPool();
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
} else {
ALOGI("Test process pid: %d.", pid);
return android::runBinderServer();
}
}
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