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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "service_list.h"
#include <android-base/logging.h>
namespace android {
namespace init {
ServiceList::ServiceList() {}
ServiceList& ServiceList::GetInstance() {
static ServiceList* instance = new ServiceList;
return *instance;
}
size_t ServiceList::CheckAllCommands() {
size_t failures = 0;
for (const auto& service : services_) {
failures += service->CheckAllCommands();
}
return failures;
}
void ServiceList::AddService(std::unique_ptr<Service> service) {
services_.emplace_back(std::move(service));
}
// Shutdown services in the opposite order that they were started.
const std::vector<Service*> ServiceList::services_in_shutdown_order() const {
std::vector<Service*> shutdown_services;
for (const auto& service : services_) {
if (service->start_order() > 0) shutdown_services.emplace_back(service.get());
}
std::sort(shutdown_services.begin(), shutdown_services.end(),
[](const auto& a, const auto& b) { return a->start_order() > b->start_order(); });
return shutdown_services;
}
void ServiceList::RemoveService(const Service& svc) {
auto svc_it = std::find_if(
services_.begin(), services_.end(),
[&svc](const std::unique_ptr<Service>& s) { return svc.name() == s->name(); });
if (svc_it == services_.end()) {
return;
}
services_.erase(svc_it);
}
void ServiceList::DumpState() const {
for (const auto& s : services_) {
s->DumpState();
}
}
void ServiceList::MarkPostData() {
post_data_ = true;
}
bool ServiceList::IsPostData() {
return post_data_;
}
void ServiceList::StartDelayedServices() {
for (const auto& name : delayed_service_names_) {
Service* service = FindService(name);
if (service == nullptr) {
LOG(ERROR) << "delayed service '" << name << "' could not be found.";
continue;
}
if (auto result = service->Start(); !result.ok()) {
LOG(ERROR) << result.error().message();
}
}
delayed_service_names_.clear();
}
void ServiceList::DelayService(const Service& service) {
if (IsDefaultMountNamespaceReady()) {
LOG(ERROR) << "Cannot delay the start of service '" << service.name()
<< "' because all services are already updated. Ignoring.";
return;
}
delayed_service_names_.emplace_back(service.name());
}
} // namespace init
} // namespace android
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