| /* |
| * 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 <algorithm> |
| #include <iterator> |
| #include <random> |
| |
| #include "ClientProxyMembershipIDFactory.hpp" |
| #include "util/Log.hpp" |
| |
| namespace apache { |
| namespace geode { |
| namespace client { |
| |
| ClientProxyMembershipIDFactory::ClientProxyMembershipIDFactory( |
| std::string dsName) |
| : dsName(dsName) { |
| static const auto alphabet = |
| "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_"; |
| static const auto numChars = (sizeof(alphabet) / sizeof(char)) - 2; |
| |
| std::random_device rd; |
| std::default_random_engine rng(rd()); |
| std::uniform_int_distribution<> dist(0, numChars); |
| |
| randString.reserve(7 + 10 + 15); |
| randString.append("Native_"); |
| std::generate_n(std::back_inserter(randString), 10, |
| [&]() { return alphabet[dist(rng)]; }); |
| |
| auto pid = ACE_OS::getpid(); |
| randString.append(std::to_string(pid)); |
| |
| LOGINFO("Using %s as random data for ClientProxyMembershipID", |
| randString.c_str()); |
| } |
| |
| std::unique_ptr<ClientProxyMembershipID> ClientProxyMembershipIDFactory::create( |
| const char* hostname, uint32_t hostAddr, uint32_t hostPort, |
| const char* durableClientId, |
| const std::chrono::seconds durableClntTimeOut) { |
| return std::unique_ptr<ClientProxyMembershipID>(new ClientProxyMembershipID( |
| dsName, randString, hostname, hostAddr, hostPort, durableClientId, |
| durableClntTimeOut)); |
| } |
| |
| } // namespace client |
| } // namespace geode |
| } // namespace apache |