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 "hilog_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<HilogPlugin> g_plugin = nullptr;
25 std::mutex g_taskMutex;
26 } // namespace
27
HilogPluginSessionStart(const uint8_t * configData,uint32_t configSize)28 static int HilogPluginSessionStart(const uint8_t* configData, uint32_t configSize)
29 {
30 std::lock_guard<std::mutex> guard(g_taskMutex);
31 CHECK_NOTNULL(g_plugin, -1, "start hilog session FAILED!");
32 return g_plugin->Start(configData, configSize);
33 }
34
HilogPluginSessionStop()35 static int HilogPluginSessionStop()
36 {
37 std::lock_guard<std::mutex> guard(g_taskMutex);
38 g_plugin->Stop();
39 g_plugin.reset();
40 return 0;
41 }
42
HilogPluginRegisterWriterStruct(WriterStruct * writer)43 static int HilogPluginRegisterWriterStruct(WriterStruct* writer)
44 {
45 std::lock_guard<std::mutex> guard(g_taskMutex);
46 g_plugin = std::make_unique<HilogPlugin>();
47 g_plugin->SetWriter(writer);
48 return 0;
49 }
50
51 static PluginModuleCallbacks g_callbacks = {
52 .onPluginSessionStart = HilogPluginSessionStart,
53 .onPluginReportResult = 0,
54 .onPluginSessionStop = HilogPluginSessionStop,
55 .onRegisterWriterStruct = (RegisterWriterStructCallback)HilogPluginRegisterWriterStruct,
56 };
57
58 EXPORT_API PluginModuleStruct g_pluginModule = {
59 .callbacks = &g_callbacks,
60 .name = "hilog-plugin",
61 .version = "1.01",
62 .resultBufferSizeHint = MAX_BUFFER_SIZE,
63 };