mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-19 16:20:50 +00:00
136 lines
3.9 KiB
C++
136 lines
3.9 KiB
C++
#pragma once
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#include <Server/IServer.h>
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#include <Daemon/BaseDaemon.h>
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#include <Server/HTTP/HTTPContext.h>
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#include <Server/TCPProtocolStackFactory.h>
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#include <Server/ServerType.h>
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#include <Poco/Net/HTTPServerParams.h>
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/** Server provides three interfaces:
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* 1. HTTP - simple interface for any applications.
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* 2. TCP - interface for native clickhouse-client and for server to server internal communications.
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* More rich and efficient, but less compatible
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* - data is transferred by columns;
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* - data is transferred compressed;
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* Allows to get more information in response.
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* 3. Interserver HTTP - for replication.
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*/
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namespace Poco
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{
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namespace Net
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{
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class ServerSocket;
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}
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}
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namespace DB
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{
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class AsynchronousMetrics;
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class ProtocolServerAdapter;
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class Server : public BaseDaemon, public IServer
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{
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public:
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using ServerApplication::run;
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Poco::Util::LayeredConfiguration & config() const override
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{
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return BaseDaemon::config();
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}
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Poco::Logger & logger() const override
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{
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return BaseDaemon::logger();
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}
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ContextMutablePtr context() const override
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{
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return global_context;
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}
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bool isCancelled() const override
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{
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return BaseDaemon::isCancelled();
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}
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void defineOptions(Poco::Util::OptionSet & _options) override;
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protected:
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int run() override;
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void initialize(Application & self) override;
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void uninitialize() override;
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int main(const std::vector<std::string> & args) override;
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std::string getDefaultCorePath() const override;
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private:
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ContextMutablePtr global_context;
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/// Updated/recent config, to compare http_handlers
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ConfigurationPtr latest_config;
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HTTPContextPtr httpContext() const;
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Poco::Net::SocketAddress socketBindListen(
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const Poco::Util::AbstractConfiguration & config,
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Poco::Net::ServerSocket & socket,
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const std::string & host,
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UInt16 port,
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[[maybe_unused]] bool secure = false) const;
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std::unique_ptr<TCPProtocolStackFactory> buildProtocolStackFromConfig(
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const Poco::Util::AbstractConfiguration & config,
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const std::string & protocol,
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Poco::Net::HTTPServerParams::Ptr http_params,
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AsynchronousMetrics & async_metrics,
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bool & is_secure);
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using CreateServerFunc = std::function<ProtocolServerAdapter(UInt16)>;
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void createServer(
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Poco::Util::AbstractConfiguration & config,
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const std::string & listen_host,
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const char * port_name,
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bool listen_try,
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bool start_server,
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std::vector<ProtocolServerAdapter> & servers,
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CreateServerFunc && func) const;
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void createServers(
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Poco::Util::AbstractConfiguration & config,
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const Strings & listen_hosts,
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bool listen_try,
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Poco::ThreadPool & server_pool,
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AsynchronousMetrics & async_metrics,
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std::vector<ProtocolServerAdapter> & servers,
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bool start_servers = false,
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const ServerType & server_type = ServerType(ServerType::Type::QUERIES_ALL));
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void createInterserverServers(
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Poco::Util::AbstractConfiguration & config,
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const Strings & interserver_listen_hosts,
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bool listen_try,
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Poco::ThreadPool & server_pool,
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AsynchronousMetrics & async_metrics,
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std::vector<ProtocolServerAdapter> & servers,
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bool start_servers = false,
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const ServerType & server_type = ServerType(ServerType::Type::QUERIES_ALL));
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void updateServers(
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Poco::Util::AbstractConfiguration & config,
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Poco::ThreadPool & server_pool,
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AsynchronousMetrics & async_metrics,
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std::vector<ProtocolServerAdapter> & servers,
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std::vector<ProtocolServerAdapter> & servers_to_start_before_tables);
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void stopServers(
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std::vector<ProtocolServerAdapter> & servers,
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const ServerType & server_type) const;
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};
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}
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