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47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
#pragma once
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#include <Interpreters/Context.h>
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#include <Server/HTTP/HTTPRequestHandler.h>
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#include <Common/logger_useful.h>
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#include "ExternalDictionaryLibraryHandler.h"
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namespace DB
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{
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/// Handler for requests to Library Dictionary Source, returns response in RowBinary format.
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/// When a library dictionary source is created, it sends 'extDict_libNew' request to library bridge (which is started on first
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/// request to it, if it was not yet started). On this request a new sharedLibrayHandler is added to a
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/// sharedLibraryHandlerFactory by a dictionary uuid. With 'extDict_libNew' request come: library_path, library_settings,
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/// names of dictionary attributes, sample block to parse block of null values, block of null values. Everything is
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/// passed in binary format and is urlencoded. When dictionary is cloned, a new handler is created.
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/// Each handler is unique to dictionary.
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class ExternalDictionaryLibraryBridgeRequestHandler : public HTTPRequestHandler, WithContext
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{
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public:
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ExternalDictionaryLibraryBridgeRequestHandler(size_t keep_alive_timeout_, ContextPtr context_);
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void handleRequest(HTTPServerRequest & request, HTTPServerResponse & response) override;
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private:
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static constexpr inline auto FORMAT = "RowBinary";
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Poco::Logger * log;
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size_t keep_alive_timeout;
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};
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class ExternalDictionaryLibraryBridgeExistsHandler : public HTTPRequestHandler, WithContext
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{
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public:
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ExternalDictionaryLibraryBridgeExistsHandler(size_t keep_alive_timeout_, ContextPtr context_);
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void handleRequest(HTTPServerRequest & request, HTTPServerResponse & response) override;
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private:
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const size_t keep_alive_timeout;
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Poco::Logger * log;
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};
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}
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