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 if (g_plugin == nullptr) {
47 return -1;
48 }
49 return g_plugin->ReportOptimize(randomWrite);
50 }
51
ProcessPluginSessionStop()52 static int ProcessPluginSessionStop()
53 {
54 std::lock_guard<std::mutex> guard(g_taskMutex);
55 CHECK_NOTNULL(g_plugin, -1, "g_plugin is nullptr");
56 g_plugin->Stop();
57 g_plugin = nullptr;
58 return 0;
59 }
60
ProcessRegisterWriterStruct(const WriterStruct * writer)61 static int ProcessRegisterWriterStruct(const WriterStruct* writer)
62 {
63 return 0;
64 }
65
66 static PluginModuleCallbacks g_callbacks = {
67 .onPluginSessionStart = ProcessDataPluginSessionStart,
68 .onPluginReportResult = ProcessPluginReportResult,
69 .onPluginSessionStop = ProcessPluginSessionStop,
70 .onRegisterWriterStruct = ProcessRegisterWriterStruct,
71 .onPluginReportResultOptimize = ProcessPluginReportResultOptimize,
72 };
73
74 EXPORT_API PluginModuleStruct g_pluginModule = {
75 .callbacks = &g_callbacks,
76 .name = "process-plugin",
77 .version = "1.02",
78 .resultBufferSizeHint = MAX_BUFFER_SIZE,
79 };