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