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/*
* Copyright 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 "grpc/grpc_module.h"
#include "os/log.h"
using ::grpc::Server;
using ::grpc::ServerBuilder;
namespace bluetooth {
namespace grpc {
void GrpcModule::ListDependencies(ModuleList* list) const {}
void GrpcModule::Start() {
ASSERT(!started_);
}
void GrpcModule::Stop() {
ASSERT(!started_);
}
void GrpcModule::StartServer(const std::string& address, int port) {
ASSERT(!started_);
started_ = true;
std::string listening_port = address + ":" + std::to_string(port);
ServerBuilder builder;
for (const auto& facade : facades_) {
builder.RegisterService(facade->GetService());
}
builder.AddListeningPort(listening_port, ::grpc::InsecureServerCredentials());
completion_queue_ = builder.AddCompletionQueue();
server_ = builder.BuildAndStart();
ASSERT(server_ != nullptr);
LOG_INFO("gRPC server started on %s", listening_port.c_str());
for (const auto& facade : facades_) {
facade->OnServerStarted();
}
}
void GrpcModule::StopServer() {
ASSERT(started_);
server_->Shutdown();
completion_queue_->Shutdown();
for (const auto& facade : facades_) {
facade->OnServerStopped();
}
started_ = false;
}
void GrpcModule::Register(GrpcFacadeModule* facade) {
ASSERT(!started_);
facades_.push_back(facade);
}
void GrpcModule::Unregister(GrpcFacadeModule* facade) {
ASSERT(!started_);
for (auto it = facades_.begin(); it != facades_.end(); it++) {
if (*it == facade) {
facades_.erase(it);
return;
}
}
ASSERT(false);
}
void GrpcModule::RunGrpcLoop() {
void* tag;
bool ok;
while (true) {
if (!completion_queue_->Next(&tag, &ok)) {
LOG_INFO("gRPC is shutdown");
break;
}
}
}
std::string GrpcModule::ToString() const {
return "Grpc Module";
}
const ::bluetooth::ModuleFactory GrpcModule::Factory = ::bluetooth::ModuleFactory([]() { return new GrpcModule(); });
void GrpcFacadeModule::ListDependencies(ModuleList* list) const {
list->add<GrpcModule>();
}
void GrpcFacadeModule::Start() {
GetDependency<GrpcModule>()->Register(this);
}
void GrpcFacadeModule::Stop() {
GetDependency<GrpcModule>()->Unregister(this);
}
std::string GrpcFacadeModule::ToString() const {
return "Grpc Facade Module";
}
} // namespace grpc
} // namespace bluetooth
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