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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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#ifndef LIBTORRENT_SOCKET_FILE_H
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#define LIBTORRENT_SOCKET_FILE_H
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#include <sys/types.h>
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#include "memory_chunk.h"
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// Inherit from SocketBase?
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static const fd_type invalid_fd = -1;
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static const int o_create = O_CREAT;
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static const int o_truncate = O_TRUNC;
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static const int o_nonblock = O_NONBLOCK;
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static const int flag_fallocate = (1 << 0);
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static const int flag_fallocate_blocking = (1 << 1);
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SocketFile() : m_fd(invalid_fd) {}
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SocketFile(fd_type fd) : m_fd(fd) {}
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bool is_open() const { return m_fd != invalid_fd; }
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bool open(const std::string& path, int prot, int flags, mode_t mode = 0666);
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uint64_t size() const;
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bool set_size(uint64_t s, int flags = 0) const;
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MemoryChunk create_chunk(uint64_t offset, uint32_t length, int prot, int flags) const;
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fd_type fd() const { return m_fd; }
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// Use custom flags if stuff like file locking etc is implemented.
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SocketFile(const SocketFile&);
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void operator = (const SocketFile&);