mirror of https://github.com/aria2/aria2
142 lines
4.3 KiB
C++
142 lines
4.3 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_PORT_EVENT_POLL_H
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#define D_PORT_EVENT_POLL_H
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#include "EventPoll.h"
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#ifdef HAVE_PORT_H
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# include <port.h>
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#endif // HAVE_PORT_H
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#include <set>
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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 PortEventPoll : 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, PortEventPoll> KCommandEvent;
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typedef ADNSEvent<KSocketEntry, PortEventPoll> KADNSEvent;
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typedef AsyncNameResolverEntry<PortEventPoll> KAsyncNameResolverEntry;
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friend class AsyncNameResolverEntry<PortEventPoll>;
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struct A2PortEvent {
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int events;
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KSocketEntry* socketEntry;
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};
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class KSocketEntry:
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public SocketEntry<KCommandEvent, KADNSEvent> {
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public:
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KSocketEntry(sock_t socket);
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A2PortEvent getEvents();
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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::set<std::shared_ptr<KSocketEntry>,
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DerefLess<std::shared_ptr<KSocketEntry> > > KSocketEntrySet;
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KSocketEntrySet socketEntries_;
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#ifdef ENABLE_ASYNC_DNS
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typedef std::set<std::shared_ptr<KAsyncNameResolverEntry>,
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DerefLess<std::shared_ptr<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 port_;
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size_t portEventsSize_;
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port_event_t* portEvents_;
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static const size_t PORT_EVENTS_SIZE = 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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PortEventPoll();
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bool good() const;
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virtual ~PortEventPoll();
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virtual void poll(const struct timeval& tv) CXX11_OVERRIDE;
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virtual bool addEvents(sock_t socket,
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Command* command, EventPoll::EventType events)
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CXX11_OVERRIDE;
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virtual bool deleteEvents(sock_t socket,
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Command* command, EventPoll::EventType events)
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CXX11_OVERRIDE;
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#ifdef ENABLE_ASYNC_DNS
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virtual bool addNameResolver(const std::shared_ptr<AsyncNameResolver>& resolver,
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Command* command) CXX11_OVERRIDE;
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virtual bool deleteNameResolver
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(const std::shared_ptr<AsyncNameResolver>& resolver, Command* command)
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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_PORT_EVENT_POLL_H
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