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 "process_data_plugin.h"
20
21namespace {
22constexpr uint32_t MAX_BUFFER_SIZE = 4 * 1024 * 1024;
23std::unique_ptr<ProcessDataPlugin> g_plugin = nullptr;
24std::mutex g_taskMutex;
25} // namespace
26
27static int ProcessDataPluginSessionStart(const uint8_t* configData, uint32_t configSize)
28{
29    std::lock_guard<std::mutex> guard(g_taskMutex);
30    g_plugin = std::make_unique<ProcessDataPlugin>();
31    return g_plugin->Start(configData, configSize);
32}
33
34static int ProcessPluginReportResult(uint8_t* bufferData, uint32_t bufferSize)
35{
36    std::lock_guard<std::mutex> guard(g_taskMutex);
37    if (g_plugin == nullptr) {
38        return -1;
39    }
40    return g_plugin->Report(bufferData, bufferSize);
41}
42
43static int ProcessPluginReportResultOptimize(RandomWriteCtx* randomWrite)
44{
45    std::lock_guard<std::mutex> guard(g_taskMutex);
46    return g_plugin->ReportOptimize(randomWrite);
47}
48
49static int ProcessPluginSessionStop()
50{
51    std::lock_guard<std::mutex> guard(g_taskMutex);
52    CHECK_NOTNULL(g_plugin, -1, "g_plugin is nullptr");
53    g_plugin->Stop();
54    g_plugin = nullptr;
55    return 0;
56}
57
58static int ProcessRegisterWriterStruct(const WriterStruct* writer)
59{
60    return 0;
61}
62
63static PluginModuleCallbacks g_callbacks = {
64    .onPluginSessionStart = ProcessDataPluginSessionStart,
65    .onPluginReportResult = ProcessPluginReportResult,
66    .onPluginSessionStop = ProcessPluginSessionStop,
67    .onRegisterWriterStruct = ProcessRegisterWriterStruct,
68    .onPluginReportResultOptimize = ProcessPluginReportResultOptimize,
69};
70
71EXPORT_API PluginModuleStruct g_pluginModule = {
72    .callbacks = &g_callbacks,
73    .name = "process-plugin",
74    .version = "1.02",
75    .resultBufferSizeHint = MAX_BUFFER_SIZE,
76};