| /** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 "./RandomServerSocket.h" |
| |
| #ifdef WIN32 |
| #pragma comment(lib, "Ws2_32.lib") |
| #endif /* WIN32 */ |
| |
| #include <sstream> |
| #include <random> |
| #include <string> |
| #include <memory> |
| |
| #include "core/logging/Logger.h" |
| #include "core/logging/LoggerConfiguration.h" |
| |
| namespace org { |
| namespace apache { |
| namespace nifi { |
| namespace minifi { |
| namespace io { |
| |
| RandomServerSocket::RandomServerSocket(const std::string& host, uint16_t offset, uint16_t range, uint16_t retries) : |
| ServerSocket::ServerSocket(std::make_shared<org::apache::nifi::minifi::io::SocketContext>(std::make_shared<minifi::Configure>()), host, 0, 1) { |
| std::random_device rd; |
| std::mt19937 gen(rd()); |
| std::uniform_int_distribution<uint16_t> dis(offset, offset + range); |
| auto logger = logging::LoggerFactory<RandomServerSocket>::getLogger(); |
| for (uint16_t i = 0; i < retries; ++i) { |
| setPort(dis(gen)); |
| if (initialize() == 0) { |
| logger->log_info("Created socket listens on generated port: %hu", getPort()); |
| return; |
| } |
| } |
| std::stringstream error; |
| error << "Couldn't bind to a port between " << offset << " and " << offset+range << " in " << retries << " try!"; |
| logger->log_error(error.str().c_str()); |
| throw error.str(); |
| } |
| |
| } /* namespace io */ |
| } /* namespace minifi */ |
| } /* namespace nifi */ |
| } /* namespace apache */ |
| } /* namespace org */ |