71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/*
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* Copyright (C) 2008-2017 Max Kellermann <max.kellermann@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef CURL_HANDLER_HXX
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#define CURL_HANDLER_HXX
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#include "util/ConstBuffer.hxx"
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#include <exception>
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#include <string>
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#include <map>
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/**
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* Asynchronous response handler for a #CurlRequest.
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*
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* Its methods must be thread-safe.
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*/
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class CurlResponseHandler {
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public:
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/**
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* Status line and headers have been received.
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*/
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virtual void OnHeaders(unsigned status,
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std::multimap<std::string, std::string> &&headers) = 0;
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/**
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* Response body data has been received.
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*/
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virtual void OnData(ConstBuffer<void> data) = 0;
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/**
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* The response has ended. The method is allowed delete the
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* #CurlRequest here.
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*/
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virtual void OnEnd() = 0;
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/**
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* An error has occurred. The method is allowed delete the
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* #CurlRequest here.
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*/
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virtual void OnError(std::exception_ptr e) noexcept = 0;
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};
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#endif
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