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 "hidump_plugin.h"
19 #include "plugin_module_api.h"
20
21 namespace {
22 constexpr uint32_t MAX_BUFFER_SIZE = 4 * 1024 * 1024;
23 std::unique_ptr<HidumpPlugin> g_plugin = nullptr;
24 std::mutex g_taskMutex;
25 } // namespace
26
HidumpSessionStart(const uint8_t * configData,uint32_t configSize)27 static int HidumpSessionStart(const uint8_t* configData, uint32_t configSize)
28 {
29 std::lock_guard<std::mutex> guard(g_taskMutex);
30 CHECK_NOTNULL(g_plugin, -1, "%s: no HidumpPlugin created!", __func__);
31 return g_plugin->Start(configData, configSize);
32 }
33
HidumpSessionStop()34 static int HidumpSessionStop()
35 {
36 std::lock_guard<std::mutex> guard(g_taskMutex);
37 CHECK_NOTNULL(g_plugin, -1, "%s: no HidumpPlugin created!", __func__);
38 g_plugin->Stop();
39 g_plugin.reset();
40 return 0;
41 }
42
HidumpRegisterWriterStruct(WriterStruct * writer)43 static int HidumpRegisterWriterStruct(WriterStruct* writer)
44 {
45 std::lock_guard<std::mutex> guard(g_taskMutex);
46 g_plugin = std::make_unique<HidumpPlugin>();
47 g_plugin->SetWriter(writer);
48 return 0;
49 }
50
51 static PluginModuleCallbacks g_callbacks = {
52 .onPluginSessionStart = HidumpSessionStart,
53 .onPluginReportResult = 0,
54 .onPluginSessionStop = HidumpSessionStop,
55 .onRegisterWriterStruct = (RegisterWriterStructCallback)HidumpRegisterWriterStruct,
56 };
57
58 EXPORT_API PluginModuleStruct g_pluginModule = {
59 .callbacks = &g_callbacks,
60 .name = "hidump-plugin",
61 .version = "1.02",
62 .resultBufferSizeHint = MAX_BUFFER_SIZE,
63 };