109 lines
3.1 KiB
C++
109 lines
3.1 KiB
C++
/*
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* Copyright 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "bt_gd_shim"
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#include <algorithm>
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#include <functional>
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#include <future>
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include <utility>
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#include "module.h"
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#include "os/handler.h"
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#include "os/log.h"
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#include "shim/dumpsys.h"
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namespace bluetooth {
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namespace shim {
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namespace {
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constexpr char kModuleName[] = "shim::Dumpsys";
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} // namespace
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struct Dumpsys::impl {
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public:
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void Dump(int fd, std::promise<void> promise);
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void RegisterDumpsysFunction(const void* token, DumpsysFunction func);
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void UnregisterDumpsysFunction(const void* token);
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~impl() = default;
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private:
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std::unordered_map<const void*, DumpsysFunction> dumpsys_functions_;
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};
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const ModuleFactory Dumpsys::Factory = ModuleFactory([]() { return new Dumpsys(); });
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void Dumpsys::impl::Dump(int fd, std::promise<void> promise) {
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dprintf(fd, "%s Registered submodules:%zd\n", kModuleName, dumpsys_functions_.size());
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std::for_each(dumpsys_functions_.begin(), dumpsys_functions_.end(),
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[fd](std::pair<const void*, DumpsysFunction> element) { element.second(fd); });
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promise.set_value();
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}
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void Dumpsys::impl::RegisterDumpsysFunction(const void* token, DumpsysFunction func) {
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ASSERT(dumpsys_functions_.find(token) == dumpsys_functions_.end());
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dumpsys_functions_[token] = func;
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}
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void Dumpsys::impl::UnregisterDumpsysFunction(const void* token) {
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ASSERT(dumpsys_functions_.find(token) != dumpsys_functions_.end());
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dumpsys_functions_.erase(token);
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}
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void Dumpsys::Dump(int fd) {
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std::promise<void> promise;
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auto future = promise.get_future();
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GetHandler()->Post(common::BindOnce(&Dumpsys::impl::Dump, common::Unretained(pimpl_.get()), fd, std::move(promise)));
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future.get();
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}
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void Dumpsys::RegisterDumpsysFunction(const void* token, DumpsysFunction func) {
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GetHandler()->Post(
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common::BindOnce(&Dumpsys::impl::RegisterDumpsysFunction, common::Unretained(pimpl_.get()), token, func));
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}
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void Dumpsys::UnregisterDumpsysFunction(const void* token) {
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GetHandler()->Post(
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common::BindOnce(&Dumpsys::impl::UnregisterDumpsysFunction, common::Unretained(pimpl_.get()), token));
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}
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os::Handler* Dumpsys::GetGdShimHandler() {
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return GetHandler();
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}
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/**
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* Module methods
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*/
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void Dumpsys::ListDependencies(ModuleList* list) {}
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void Dumpsys::Start() {
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pimpl_ = std::make_unique<impl>();
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}
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void Dumpsys::Stop() {
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pimpl_.reset();
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}
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std::string Dumpsys::ToString() const {
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return kModuleName;
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}
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} // namespace shim
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} // namespace bluetooth
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