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
18 #include "cpu_data_plugin.h"
19
20 namespace {
21 constexpr uint32_t MAX_BUFFER_SIZE = 4 * 1024 * 1024;
22 std::unique_ptr<CpuDataPlugin> g_plugin = nullptr;
23 std::mutex g_taskMutex;
24 } // namespace
25
CpuDataPluginSessionStart(const uint8_t * configData,uint32_t configSize)26 static int CpuDataPluginSessionStart(const uint8_t* configData, uint32_t configSize)
27 {
28 std::lock_guard<std::mutex> guard(g_taskMutex);
29 g_plugin = std::make_unique<CpuDataPlugin>();
30 return g_plugin->Start(configData, configSize);
31 }
32
CpuPluginReportResult(uint8_t * bufferData,uint32_t bufferSize)33 static int CpuPluginReportResult(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
CpuPluginReportResultOptimize(RandomWriteCtx * randomWrite)40 static int CpuPluginReportResultOptimize(RandomWriteCtx* randomWrite)
41 {
42 std::lock_guard<std::mutex> guard(g_taskMutex);
43 if (g_plugin == nullptr) {
44 return -1;
45 }
46 return g_plugin->ReportOptimize(randomWrite);
47 }
48
CpuPluginSessionStop()49 static int CpuPluginSessionStop()
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
58 static PluginModuleCallbacks g_callbacks = {
59 .onPluginSessionStart = CpuDataPluginSessionStart,
60 .onPluginReportResult = CpuPluginReportResult,
61 .onPluginSessionStop = CpuPluginSessionStop,
62 .onPluginReportResultOptimize = CpuPluginReportResultOptimize,
63 };
64
65 EXPORT_API PluginModuleStruct g_pluginModule = {
66 .callbacks = &g_callbacks,
67 .name = "cpu-plugin",
68 .version = "1.02",
69 .resultBufferSizeHint = MAX_BUFFER_SIZE,
70 };
71