mirror of https://github.com/aria2/aria2
140 lines
4.4 KiB
C++
140 lines
4.4 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2010 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#ifndef D_KQUEUE_EVENT_POLL_H
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#define D_KQUEUE_EVENT_POLL_H
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#include "EventPoll.h"
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#include <sys/types.h>
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#include <sys/event.h>
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#include <sys/time.h>
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#include <map>
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#include "Event.h"
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#include "a2functional.h"
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#ifdef ENABLE_ASYNC_DNS
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#include "AsyncNameResolver.h"
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#endif // ENABLE_ASYNC_DNS
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namespace aria2 {
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class KqueueEventPoll : public EventPoll {
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private:
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class KSocketEntry;
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typedef Event<KSocketEntry> KEvent;
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typedef CommandEvent<KSocketEntry, KqueueEventPoll> KCommandEvent;
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typedef ADNSEvent<KSocketEntry, KqueueEventPoll> KADNSEvent;
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typedef AsyncNameResolverEntry<KqueueEventPoll> KAsyncNameResolverEntry;
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friend class AsyncNameResolverEntry<KqueueEventPoll>;
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class KSocketEntry : public SocketEntry<KCommandEvent, KADNSEvent> {
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public:
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KSocketEntry(sock_t socket);
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KSocketEntry(const KSocketEntry&) = delete;
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KSocketEntry(KSocketEntry&&) = default;
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// eventlist should be at least size 2. This function returns the
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// number of filled struct kevent in eventlist.
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size_t getEvents(struct kevent* eventlist);
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};
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friend int accumulateEvent(int events, const KEvent& event);
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private:
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typedef std::map<sock_t, KSocketEntry> KSocketEntrySet;
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KSocketEntrySet socketEntries_;
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#ifdef ENABLE_ASYNC_DNS
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typedef std::map<std::pair<AsyncNameResolver*, Command*>,
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KAsyncNameResolverEntry>
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KAsyncNameResolverEntrySet;
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KAsyncNameResolverEntrySet nameResolverEntries_;
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#endif // ENABLE_ASYNC_DNS
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int kqfd_;
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size_t kqEventsSize_;
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std::unique_ptr<struct kevent[]> kqEvents_;
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static const size_t KQUEUE_EVENTS_MAX = 1024;
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bool addEvents(sock_t socket, const KEvent& event);
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bool deleteEvents(sock_t socket, const KEvent& event);
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bool addEvents(sock_t socket, Command* command, int events,
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const std::shared_ptr<AsyncNameResolver>& rs);
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bool deleteEvents(sock_t socket, Command* command,
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const std::shared_ptr<AsyncNameResolver>& rs);
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public:
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KqueueEventPoll();
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bool good() const;
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virtual ~KqueueEventPoll();
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virtual void poll(const struct timeval& tv) CXX11_OVERRIDE;
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virtual bool addEvents(sock_t socket, Command* command,
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EventPoll::EventType events) CXX11_OVERRIDE;
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virtual bool deleteEvents(sock_t socket, Command* command,
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EventPoll::EventType events) CXX11_OVERRIDE;
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#ifdef ENABLE_ASYNC_DNS
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virtual bool
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addNameResolver(const std::shared_ptr<AsyncNameResolver>& resolver,
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Command* command) CXX11_OVERRIDE;
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virtual bool
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deleteNameResolver(const std::shared_ptr<AsyncNameResolver>& resolver,
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Command* command) CXX11_OVERRIDE;
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#endif // ENABLE_ASYNC_DNS
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static const int IEV_READ = POLLIN;
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static const int IEV_WRITE = POLLOUT;
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static const int IEV_ERROR = POLLERR;
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static const int IEV_HUP = POLLHUP;
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};
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} // namespace aria2
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#endif // D_KQUEUE_EVENT_POLL_H
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