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https://github.com/ClickHouse/ClickHouse.git
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59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
#pragma once
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#include <Poco/Net/TCPServerConnection.h>
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#include <Poco/Net/SecureStreamSocket.h>
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#include <Common/getFQDNOrHostName.h>
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#include <Core/MySQLProtocol.h>
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#include "IServer.h"
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namespace DB
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{
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/// Handler for MySQL wire protocol connections. Allows to connect to ClickHouse using MySQL client.
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class MySQLHandler : public Poco::Net::TCPServerConnection
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{
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public:
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MySQLHandler(IServer & server_, const Poco::Net::StreamSocket & socket_, RSA & public_key, RSA & private_key, bool ssl_enabled, size_t connection_id);
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void run() final;
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private:
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/// Enables SSL, if client requested.
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MySQLProtocol::HandshakeResponse finishHandshake();
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void comQuery(const String & payload);
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void comFieldList(const String & payload);
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void comPing();
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void comInitDB(const String & payload);
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static String generateScramble();
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void authenticate(const MySQLProtocol::HandshakeResponse &, const String & scramble);
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IServer & server;
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Poco::Logger * log;
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Context connection_context;
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std::shared_ptr<MySQLProtocol::PacketSender> packet_sender;
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size_t connection_id = 0;
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size_t server_capability_flags = 0;
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size_t client_capability_flags = 0;
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RSA & public_key;
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RSA & private_key;
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std::shared_ptr<ReadBuffer> in;
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std::shared_ptr<WriteBuffer> out;
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bool secure_connection = false;
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std::shared_ptr<Poco::Net::SecureStreamSocket> ss;
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};
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}
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