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rakshasa
92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
// rTorrent - BitTorrent client
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// Copyright (C) 2005-2011, Jari Sundell
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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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//
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// You must obey the GNU General Public License in all respects for
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// all of the code used other than OpenSSL. If you modify file(s)
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// with this exception, you may extend this exception to your version
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// of the file(s), but you are not obligated to do so. If you do not
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// wish to do so, delete this exception statement from your version.
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// If you delete this exception statement from all source files in the
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// program, then also delete it here.
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//
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// Contact: Jari Sundell <jaris@ifi.uio.no>
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//
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// Skomakerveien 33
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// 3185 Skoppum, NORWAY
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#include "config.h"
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#include <stdexcept>
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#include <unistd.h>
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#include <torrent/exceptions.h>
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#include <torrent/poll_epoll.h>
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#include <torrent/poll_kqueue.h>
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#include <torrent/poll_select.h>
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#include "globals.h"
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#include "control.h"
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#include "manager.h"
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#include "poll_manager.h"
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namespace core {
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torrent::Poll*
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create_poll() {
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const char* poll_name = getenv("RTORRENT_POLL");
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int maxOpen = sysconf(_SC_OPEN_MAX);
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torrent::Poll* poll = NULL;
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if (poll_name != NULL) {
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if (!strcmp(poll_name, "epoll"))
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poll = torrent::PollEPoll::create(maxOpen);
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else if (!strcmp(poll_name, "kqueue"))
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poll = torrent::PollKQueue::create(maxOpen);
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else if (!strcmp(poll_name, "select"))
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poll = torrent::PollSelect::create(maxOpen);
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if (poll == NULL)
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control->core()->push_log_std(std::string("Cannot enable '") + poll_name + "' based polling.");
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}
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if (poll != NULL)
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control->core()->push_log_std(std::string("Using '") + poll_name + "' based polling.");
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else if ((poll = torrent::PollEPoll::create(maxOpen)) != NULL)
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control->core()->push_log_std("Using 'epoll' based polling.");
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else if ((poll = torrent::PollKQueue::create(maxOpen)) != NULL)
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control->core()->push_log_std("Using 'kqueue' based polling.");
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else if ((poll = torrent::PollSelect::create(maxOpen)) != NULL)
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control->core()->push_log_std("Using 'select' based polling.");
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else
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throw torrent::internal_error("Could not create any Poll object.");
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return poll;
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}
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}
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