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
21 namespace {
22 constexpr uint32_t MAX_BUFFER_SIZE = 4 * 1024 * 1024;
23 std::unique_ptr<ProcessDataPlugin> g_plugin = nullptr;
24 std::mutex g_taskMutex;
25 } // namespace
26
ProcessDataPluginSessionStart(const uint8_t* configData, uint32_t configSize)27 static 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
ProcessPluginReportResult(uint8_t* bufferData, uint32_t bufferSize)34 static 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
ProcessPluginReportResultOptimize(RandomWriteCtx* randomWrite)43 static int ProcessPluginReportResultOptimize(RandomWriteCtx* randomWrite)
44 {
45 std::lock_guard<std::mutex> guard(g_taskMutex);
46 return g_plugin->ReportOptimize(randomWrite);
47 }
48
ProcessPluginSessionStop()49 static 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
ProcessRegisterWriterStruct(const WriterStruct* writer)58 static int ProcessRegisterWriterStruct(const WriterStruct* writer)
59 {
60 return 0;
61 }
62
63 static PluginModuleCallbacks g_callbacks = {
64 .onPluginSessionStart = ProcessDataPluginSessionStart,
65 .onPluginReportResult = ProcessPluginReportResult,
66 .onPluginSessionStop = ProcessPluginSessionStop,
67 .onRegisterWriterStruct = ProcessRegisterWriterStruct,
68 .onPluginReportResultOptimize = ProcessPluginReportResultOptimize,
69 };
70
71 EXPORT_API PluginModuleStruct g_pluginModule = {
72 .callbacks = &g_callbacks,
73 .name = "process-plugin",
74 .version = "1.02",
75 .resultBufferSizeHint = MAX_BUFFER_SIZE,
76 };