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