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
21namespace {
22constexpr uint32_t MAX_BUFFER_SIZE = 4 * 1024 * 1024;
23std::unique_ptr<HidumpPlugin> g_plugin = nullptr;
24std::mutex g_taskMutex;
25} // namespace
26
27static 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
34static 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
43static 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
51static PluginModuleCallbacks g_callbacks = {
52    .onPluginSessionStart = HidumpSessionStart,
53    .onPluginReportResult = 0,
54    .onPluginSessionStop = HidumpSessionStop,
55    .onRegisterWriterStruct = (RegisterWriterStructCallback)HidumpRegisterWriterStruct,
56};
57
58EXPORT_API PluginModuleStruct g_pluginModule = {
59    .callbacks = &g_callbacks,
60    .name = "hidump-plugin",
61    .version = "1.02",
62    .resultBufferSizeHint = MAX_BUFFER_SIZE,
63};