| /** |
| * 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 "ServiceURI.h" |
| #include <stdexcept> |
| |
| namespace pulsar { |
| |
| static void processAddress(std::string& address, PulsarScheme scheme) { |
| const auto posOfSlash = address.find('/'); |
| if (posOfSlash != std::string::npos) { |
| // ignore the path part |
| address.erase(posOfSlash); |
| } |
| auto fail = [&address] { throw std::invalid_argument("invalid hostname: " + address); }; |
| |
| const auto posOfColon = address.find(':'); |
| if (posOfColon != std::string::npos) { |
| if (address.find(':', posOfColon + 1) != std::string::npos) { |
| fail(); |
| } |
| try { |
| const auto port = std::stoi(address.substr(posOfColon + 1)); |
| if (port < 0 || port > 65535) { |
| throw std::invalid_argument(""); |
| } |
| } catch (const std::invalid_argument& ignored) { |
| fail(); |
| } |
| } else { |
| address = address + ":" + std::to_string(scheme::getDefaultPort(scheme)); |
| } |
| if (!address.empty()) { |
| address = scheme::getSchemeString(scheme) + address; |
| } |
| } |
| |
| auto ServiceURI::parse(const std::string& uriString) -> DataType { |
| size_t pos = uriString.find("://"); |
| if (pos == std::string::npos) { |
| throw std::invalid_argument("The scheme part is missing: " + uriString); |
| } |
| if (pos == 0) { |
| throw std::invalid_argument("Expected scheme name at index 0: " + uriString); |
| } |
| const auto scheme = scheme::toScheme(uriString.substr(0, pos)); |
| |
| pos += 3; // now it points to the end of "://" |
| if (pos < uriString.size() && uriString[pos] == '/') { |
| throw std::invalid_argument("authority component is missing in service uri: " + uriString); |
| } |
| |
| std::vector<std::string> addresses; |
| while (pos < uriString.size()) { |
| const size_t endPos = uriString.find(',', pos); |
| if (endPos == std::string::npos) { |
| addresses.emplace_back(uriString.substr(pos, endPos - pos)); |
| break; |
| } |
| addresses.emplace_back(uriString.substr(pos, endPos - pos)); |
| pos = endPos + 1; |
| } |
| |
| bool hasEmptyAddress = false; |
| for (auto& address : addresses) { |
| processAddress(address, scheme); |
| if (address.empty()) { |
| hasEmptyAddress = true; |
| } |
| } |
| if (hasEmptyAddress) { |
| auto originalAddresses = addresses; |
| addresses.clear(); |
| for (const auto& address : originalAddresses) { |
| if (!address.empty()) { |
| addresses.emplace_back(address); |
| } |
| } |
| } |
| if (addresses.empty()) { |
| throw std::invalid_argument("No service url is provided yet"); |
| } |
| return std::make_pair(scheme, addresses); |
| } |
| |
| } // namespace pulsar |