Github user laurentgo commented on a diff in the pull request: https://github.com/apache/drill/pull/950#discussion_r142733695 --- Diff: contrib/native/client/src/clientlib/channel.hpp --- @@ -0,0 +1,236 @@ +/* + * 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. + */ + +#ifndef CHANNEL_HPP +#define CHANNEL_HPP + +#include "drill/common.hpp" +#include "drill/drillClient.hpp" +#include "streamSocket.hpp" + +namespace Drill { + +class UserProperties; + + class ConnectionEndpoint{ + public: + ConnectionEndpoint(const char* connStr); + ConnectionEndpoint(const char* host, const char* port); + ~ConnectionEndpoint(); + + //parse the connection string and set up the host and port to connect to + connectionStatus_t getDrillbitEndpoint(); + + std::string& getProtocol(){return m_protocol;} + std::string& getHost(){return m_host;} + std::string& getPort(){return m_port;} + DrillClientError* getError(){ return m_pError;}; + + private: + void parseConnectString(); + bool isDirectConnection(); + bool isZookeeperConnection(); + connectionStatus_t getDrillbitEndpointFromZk(); + connectionStatus_t handleError(connectionStatus_t status, std::string msg); + + std::string m_connectString; + std::string m_pathToDrill; + std::string m_protocol; + std::string m_hostPortStr; + std::string m_host; + std::string m_port; + + DrillClientError* m_pError; + + }; + + class ChannelContext{ + public: + ChannelContext(DrillUserProperties* props):m_properties(props){}; + virtual ~ChannelContext(){}; + const DrillUserProperties* getUserProperties() const { return m_properties;} + protected: + DrillUserProperties* m_properties; + }; + + class SSLChannelContext: public ChannelContext{ + public: + static boost::asio::ssl::context::method getTlsVersion(std::string version){ + if(version.empty()){ + return boost::asio::ssl::context::tlsv12; + } else if (version == "tlsv12") { + return boost::asio::ssl::context::tlsv12; + } else if (version == "tlsv11") { + return boost::asio::ssl::context::tlsv11; + } else if (version == "sslv23") { --- End diff -- spec didn't mention support for ssl protocol. Shouldn't we disable support for those (since there are pretty insecure)? consensus is that tls1.2 should be used, so maybe it should be set as the mininum?
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