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58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
#pragma once
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#include <Poco/Net/TCPServerConnectionFactory.h>
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#include <Poco/Net/NetException.h>
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#include <base/logger_useful.h>
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#include <Server/IServer.h>
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#include <Server/TCPHandler.h>
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namespace Poco { class Logger; }
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namespace DB
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{
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class TCPHandlerFactory : public Poco::Net::TCPServerConnectionFactory
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{
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private:
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IServer & server;
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bool parse_proxy_protocol = false;
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Poco::Logger * log;
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std::string server_display_name;
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class DummyTCPHandler : public Poco::Net::TCPServerConnection
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{
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public:
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using Poco::Net::TCPServerConnection::TCPServerConnection;
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void run() override {}
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};
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public:
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/** parse_proxy_protocol_ - if true, expect and parse the header of PROXY protocol in every connection
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* and set the information about forwarded address accordingly.
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* See https://github.com/wolfeidau/proxyv2/blob/master/docs/proxy-protocol.txt
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*/
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TCPHandlerFactory(IServer & server_, bool secure_, bool parse_proxy_protocol_)
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: server(server_), parse_proxy_protocol(parse_proxy_protocol_)
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, log(&Poco::Logger::get(std::string("TCP") + (secure_ ? "S" : "") + "HandlerFactory"))
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{
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server_display_name = server.config().getString("display_name", getFQDNOrHostName());
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}
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Poco::Net::TCPServerConnection * createConnection(const Poco::Net::StreamSocket & socket) override
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{
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try
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{
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LOG_TRACE(log, "TCP Request. Address: {}", socket.peerAddress().toString());
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return new TCPHandler(server, socket, parse_proxy_protocol, server_display_name);
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}
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catch (const Poco::Net::NetException &)
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{
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LOG_TRACE(log, "TCP Request. Client is not connected (most likely RST packet was sent).");
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return new DummyTCPHandler(socket);
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}
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}
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};
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}
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