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 #include "memory_data_plugin.h"
19
20 namespace {
21 constexpr uint32_t MAX_BUFFER_SIZE = 4 * 1024 * 1024;
22 std::unique_ptr<MemoryDataPlugin> g_plugin = nullptr;
23 std::mutex g_taskMutex;
24 } // namespace
25
MemDataPluginSessionStart(const uint8_t* configData, uint32_t configSize)26 static int MemDataPluginSessionStart(const uint8_t* configData, uint32_t configSize)
27 {
28 std::lock_guard<std::mutex> guard(g_taskMutex);
29 g_plugin = std::make_unique<MemoryDataPlugin>();
30 return g_plugin->Start(configData, configSize);
31 }
32
MemPluginReportResult(uint8_t* bufferData, uint32_t bufferSize)33 static int MemPluginReportResult(uint8_t* bufferData, uint32_t bufferSize)
34 {
35 std::lock_guard<std::mutex> guard(g_taskMutex);
36 CHECK_NOTNULL(g_plugin, -1, "g_plugin is nullptr");
37 return g_plugin->Report(bufferData, bufferSize);
38 }
39
MemPluginReportResultOptimize(RandomWriteCtx* randomWrite)40 static int MemPluginReportResultOptimize(RandomWriteCtx* randomWrite)
41 {
42 std::lock_guard<std::mutex> guard(g_taskMutex);
43 return g_plugin->ReportOptimize(randomWrite);
44 }
45
MemPluginSessionStop()46 static int MemPluginSessionStop()
47 {
48 std::lock_guard<std::mutex> guard(g_taskMutex);
49 CHECK_NOTNULL(g_plugin, -1, "g_plugin is nullptr");
50 g_plugin->Stop();
51 g_plugin = nullptr;
52 return 0;
53 }
54
MemRegisterWriterStruct(const WriterStruct* writer)55 static int MemRegisterWriterStruct(const WriterStruct* writer)
56 {
57 return 0;
58 }
59
60 static PluginModuleCallbacks g_callbacks = {
61 .onPluginSessionStart = MemDataPluginSessionStart,
62 .onPluginReportResult = MemPluginReportResult,
63 .onPluginSessionStop = MemPluginSessionStop,
64 .onRegisterWriterStruct = MemRegisterWriterStruct,
65 .onPluginReportResultOptimize = MemPluginReportResultOptimize,
66 };
67
68 EXPORT_API PluginModuleStruct g_pluginModule = {
69 .callbacks = &g_callbacks,
70 .name = "memory-plugin",
71 .version = "1.02",
72 .resultBufferSizeHint = MAX_BUFFER_SIZE,
73 };