87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
/*
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* Copyright 2008-2019 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_GLOBAL_HXX
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#define CURL_GLOBAL_HXX
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#include "Multi.hxx"
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#include "event/TimerEvent.hxx"
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#include "event/DeferEvent.hxx"
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class CurlSocket;
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class CurlRequest;
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/**
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* Manager for the global CURLM object.
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*/
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class CurlGlobal final {
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CurlMulti multi;
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DeferEvent defer_read_info;
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TimerEvent timeout_event;
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public:
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explicit CurlGlobal(EventLoop &_loop);
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auto &GetEventLoop() const noexcept {
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return timeout_event.GetEventLoop();
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}
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void Add(CurlRequest &r);
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void Remove(CurlRequest &r) noexcept;
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void Assign(curl_socket_t fd, CurlSocket &cs) noexcept {
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curl_multi_assign(multi.Get(), fd, &cs);
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}
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void SocketAction(curl_socket_t fd, int ev_bitmask) noexcept;
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void InvalidateSockets() noexcept {
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SocketAction(CURL_SOCKET_TIMEOUT, 0);
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}
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private:
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/**
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* Check for finished HTTP responses.
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*
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* Runs in the I/O thread. The caller must not hold locks.
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*/
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void ReadInfo() noexcept;
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void UpdateTimeout(long timeout_ms) noexcept;
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static int TimerFunction(CURLM *multi, long timeout_ms,
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void *userp) noexcept;
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/* callback for #timeout_event */
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void OnTimeout() noexcept;
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};
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#endif
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