1/*
2 * Copyright (c) Huawei Technologies Co., Ltd. 2021. All rights reserved.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <mutex>
17#include <sys/types.h>
18
19#include "plugin_module_api.h"
20#include "sample_plugin.h"
21
22namespace {
23constexpr uint32_t MAX_BUFFER_SIZE = 4 * 1024 * 1024;
24std::unique_ptr<SamplePlugin> g_plugin = nullptr;
25std::mutex g_taskMutex;
26} // namespace
27
28static int SamplePluginSessionStart(const uint8_t* configData, uint32_t configSize)
29{
30    std::lock_guard<std::mutex> guard(g_taskMutex);
31    g_plugin = std::make_unique<SamplePlugin>();
32    return g_plugin->Start(configData, configSize);
33}
34
35static int SamplePluginReportResult(uint8_t* bufferData, uint32_t bufferSize)
36{
37    std::lock_guard<std::mutex> guard(g_taskMutex);
38    return g_plugin->Report(bufferData, bufferSize);
39}
40
41static int SamplePluginReportResultOptimize(RandomWriteCtx* randomWrite)
42{
43    std::lock_guard<std::mutex> guard(g_taskMutex);
44    return g_plugin->ReportOptimize(randomWrite);
45}
46
47static int SamplePluginSessionStop()
48{
49    std::lock_guard<std::mutex> guard(g_taskMutex);
50    g_plugin->Stop();
51    g_plugin = nullptr;
52    return 0;
53}
54
55static int SampleRegisterWriterStruct(const WriterStruct* writer)
56{
57    return 0;
58}
59
60static PluginModuleCallbacks g_callbacks = {
61    .onPluginSessionStart = SamplePluginSessionStart,
62    .onPluginReportResult = SamplePluginReportResult,
63    .onPluginSessionStop = SamplePluginSessionStop,
64    .onRegisterWriterStruct = SampleRegisterWriterStruct,
65    .onPluginReportResultOptimize = SamplePluginReportResultOptimize,
66};
67
68EXPORT_API PluginModuleStruct g_pluginModule = {
69    .callbacks = &g_callbacks,
70    .name = "sample-plugin",
71    .version = "1.02",
72    .resultBufferSizeHint = MAX_BUFFER_SIZE,
73};