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// libTorrent - BitTorrent library
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// Copyright (C) 2005-2007, Jari Sundell
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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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// 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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// 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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// 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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// 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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// Contact: Jari Sundell <jaris@ifi.uio.no>
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// 3185 Skoppum, NORWAY
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <rak/socket_address.h>
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#include <sys/socket.h>
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#include "torrent/exceptions.h"
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#include "torrent/connection_manager.h"
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#include "torrent/poll.h"
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Listen::open(uint16_t first, uint16_t last, const rak::socket_address* bindAddress) {
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if (first == 0 || last == 0 || first > last)
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throw input_error("Tried to open listening port with an invalid range.");
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if (bindAddress->family() != rak::socket_address::af_inet &&
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bindAddress->family() != rak::socket_address::af_inet6)
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throw input_error("Listening socket must be bound to an inet or inet6 address.");
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if (!get_fd().open_stream() ||
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!get_fd().set_nonblock() ||
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!get_fd().set_reuse_address(true))
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throw resource_error("Could not allocate socket for listening.");
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rak::socket_address sa;
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sa.copy(*bindAddress, bindAddress->length());
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for (uint16_t i = first; i <= last; ++i) {
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if (get_fd().bind(sa) && get_fd().listen(50)) {
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manager->connection_manager()->inc_socket_count();
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manager->poll()->open(this);
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manager->poll()->insert_read(this);
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manager->poll()->insert_error(this);
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// This needs to be done if local_error is thrown too...
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void Listen::close() {
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if (!get_fd().is_valid())
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manager->poll()->remove_read(this);
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manager->poll()->remove_error(this);
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manager->poll()->close(this);
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manager->connection_manager()->dec_socket_count();
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Listen::event_read() {
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rak::socket_address sa;
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while ((fd = get_fd().accept(&sa)).is_valid())
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m_slotIncoming(fd, sa);
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Listen::event_write() {
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throw internal_error("Listener does not support write().");
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Listen::event_error() {
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throw internal_error("Listener port received an error event.");