ClickHouse/dbms/programs/server/MySQLHandler.h
2019-09-12 04:20:27 +08:00

62 lines
1.5 KiB
C++

#pragma once
#include <Common/config.h>
#if USE_POCO_NETSSL
#include <Poco/Net/TCPServerConnection.h>
#include <Poco/Net/SecureStreamSocket.h>
#include <Common/getFQDNOrHostName.h>
#include <Core/MySQLProtocol.h>
#include "IServer.h"
namespace DB
{
/// Handler for MySQL wire protocol connections. Allows to connect to ClickHouse using MySQL client.
class MySQLHandler : public Poco::Net::TCPServerConnection
{
public:
MySQLHandler(IServer & server_, const Poco::Net::StreamSocket & socket_, RSA & public_key_, RSA & private_key_, bool ssl_enabled, size_t connection_id_);
void run() final;
private:
/// Enables SSL, if client requested.
void finishHandshake(MySQLProtocol::HandshakeResponse &);
void comQuery(ReadBuffer & payload);
void comFieldList(ReadBuffer & payload);
void comPing();
void comInitDB(ReadBuffer & payload);
void authenticate(const String & user_name, const String & auth_plugin_name, const String & auth_response);
IServer & server;
Poco::Logger * log;
Context connection_context;
std::shared_ptr<MySQLProtocol::PacketSender> packet_sender;
size_t connection_id = 0;
size_t server_capability_flags = 0;
size_t client_capability_flags = 0;
RSA & public_key;
RSA & private_key;
std::unique_ptr<MySQLProtocol::Authentication::IPlugin> auth_plugin;
std::shared_ptr<Poco::Net::SecureStreamSocket> ss;
std::shared_ptr<ReadBuffer> in;
std::shared_ptr<WriteBuffer> out;
bool secure_connection = false;
};
}
#endif