| // Copyright 2019 Google LLC |
| // |
| // 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 |
| // |
| // https://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 "dap/network.h" |
| |
| #include "socket.h" |
| |
| #include <mutex> |
| #include <string> |
| #include <thread> |
| |
| namespace { |
| |
| class Impl : public dap::net::Server { |
| public: |
| Impl() {} |
| |
| ~Impl() { stop(); } |
| |
| bool start(int port, |
| const OnConnect& onConnect, |
| const OnError& onError) override { |
| std::unique_lock<std::mutex> lock(mutex); |
| stopWithLock(); |
| socket = std::unique_ptr<dap::Socket>( |
| new dap::Socket("localhost", std::to_string(port).c_str())); |
| |
| if (!socket->isOpen()) { |
| onError("Failed to open socket"); |
| return false; |
| } |
| |
| running = true; |
| thread = std::thread([=] { |
| do { |
| if (auto rw = socket->accept()) { |
| onConnect(rw); |
| continue; |
| } |
| if (!isRunning()) { |
| onError("Failed to accept connection"); |
| } |
| } while (false); |
| }); |
| |
| return true; |
| } |
| |
| void stop() override { |
| std::unique_lock<std::mutex> lock(mutex); |
| stopWithLock(); |
| } |
| |
| private: |
| bool isRunning() { |
| std::unique_lock<std::mutex> lock(mutex); |
| return running; |
| } |
| |
| void stopWithLock() { |
| if (running) { |
| socket->close(); |
| thread.join(); |
| running = false; |
| } |
| } |
| |
| std::mutex mutex; |
| std::thread thread; |
| std::unique_ptr<dap::Socket> socket; |
| bool running = false; |
| OnError errorHandler; |
| }; |
| |
| } // anonymous namespace |
| |
| namespace dap { |
| namespace net { |
| |
| std::unique_ptr<Server> Server::create() { |
| return std::unique_ptr<Server>(new Impl()); |
| } |
| |
| std::shared_ptr<ReaderWriter> connect(const char* addr, |
| int port, |
| uint32_t timeoutMillis) { |
| return Socket::connect(addr, std::to_string(port).c_str(), timeoutMillis); |
| } |
| |
| } // namespace net |
| } // namespace dap |