1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
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 "plugin_module_api.h"
19 #include "memory_data_plugin.h"
20
21 namespace {
22 constexpr uint32_t MAX_BUFFER_SIZE = 4 * 1024 * 1024;
23 std::unique_ptr<MemoryDataPlugin> g_plugin = nullptr;
24 std::mutex g_taskMutex;
25 } // namespace
26
MemDataPluginSessionStart(const uint8_t * configData,uint32_t configSize)27 static int MemDataPluginSessionStart(const uint8_t* configData, uint32_t configSize)
28 {
29 std::lock_guard<std::mutex> guard(g_taskMutex);
30 g_plugin = std::make_unique<MemoryDataPlugin>();
31 return g_plugin->Start(configData, configSize);
32 }
33
MemPluginReportResult(uint8_t * bufferData,uint32_t bufferSize)34 static int MemPluginReportResult(uint8_t* bufferData, uint32_t bufferSize)
35 {
36 std::lock_guard<std::mutex> guard(g_taskMutex);
37 return g_plugin->Report(bufferData, bufferSize);
38 }
39
MemPluginSessionStop()40 static int MemPluginSessionStop()
41 {
42 std::lock_guard<std::mutex> guard(g_taskMutex);
43 g_plugin->Stop();
44 g_plugin = nullptr;
45 return 0;
46 }
47
MemRegisterWriterStruct(const WriterStruct * writer)48 static int MemRegisterWriterStruct(const WriterStruct* writer)
49 {
50 return 0;
51 }
52
53 static PluginModuleCallbacks g_callbacks = {
54 .onPluginSessionStart = MemDataPluginSessionStart,
55 .onPluginReportResult = MemPluginReportResult,
56 .onPluginSessionStop = MemPluginSessionStop,
57 .onRegisterWriterStruct = MemRegisterWriterStruct,
58 };
59
60 EXPORT_API PluginModuleStruct g_pluginModule = {
61 .callbacks = &g_callbacks,
62 .name = "memory-plugin",
63 .version = "1.01",
64 .resultBufferSizeHint = MAX_BUFFER_SIZE,
65 };