| /* |
| * Copyright 2014 Google Inc. All rights reserved. |
| * |
| * 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 "server.h" |
| |
| #include <ctime> |
| #include <iostream> |
| #include <thread> |
| |
| using namespace std; |
| using namespace fruit; |
| |
| class ServerImpl : public Server { |
| private: |
| std::vector<std::thread> threads; |
| |
| public: |
| INJECT(ServerImpl()) {} |
| |
| ~ServerImpl() { |
| for (std::thread& t : threads) { |
| t.join(); |
| } |
| } |
| |
| void run(Component<Required<Request, ServerContext>, RequestDispatcher> (*getRequestDispatcherComponent)()) override { |
| ServerContext serverContext; |
| serverContext.startupTime = getTime(); |
| |
| const NormalizedComponent<Required<Request>, RequestDispatcher> requestDispatcherNormalizedComponent( |
| getRequestDispatcherComponentWithContext, getRequestDispatcherComponent, &serverContext); |
| |
| cerr << "Server started." << endl; |
| |
| while (1) { |
| cerr << endl; |
| cerr << "Enter the request (absolute path starting with \"/foo/\" or \"/bar/\"), or an empty line to exit." |
| << endl; |
| Request request; |
| getline(cin, request.path); |
| cerr << "Server received request: " + request.path << endl; |
| if (request.path.empty()) { |
| cerr << "Server received empty line, shutting down." << endl; |
| break; |
| } |
| |
| // In production code we would use a thread pool. |
| // Here we spawn a new thread each time to keep it simple. |
| threads.push_back(std::thread(worker_thread_main, std::ref(requestDispatcherNormalizedComponent), request)); |
| } |
| } |
| |
| private: |
| static void worker_thread_main( |
| const NormalizedComponent<Required<Request>, RequestDispatcher>& requestDispatcherNormalizedComponent, |
| Request request) { |
| Injector<RequestDispatcher> injector(requestDispatcherNormalizedComponent, getRequestComponent, &request); |
| |
| RequestDispatcher* requestDispatcher(injector); |
| requestDispatcher->handleRequest(); |
| } |
| |
| static string getTime() { |
| time_t now = time(nullptr); |
| tm* localTime = localtime(&now); |
| string result = asctime(localTime); |
| if (result.size() != 0 && result.back() == '\n') { |
| result.pop_back(); |
| } |
| return result; |
| } |
| |
| static Component<Request> getRequestComponent(Request* request) { |
| return createComponent().bindInstance(*request); |
| } |
| |
| static Component<Required<Request>, RequestDispatcher> getRequestDispatcherComponentWithContext( |
| Component<Required<Request, ServerContext>, RequestDispatcher> (*getRequestDispatcherComponent)(), |
| ServerContext* serverContext) { |
| return createComponent().install(getRequestDispatcherComponent).bindInstance(*serverContext); |
| } |
| }; |
| |
| fruit::Component<Server> getServerComponent() { |
| return fruit::createComponent().bind<Server, ServerImpl>(); |
| } |