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// libTorrent - BitTorrent library
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// Copyright (C) 2005-2006, 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 <rak/error_number.h>
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#include <rak/file_stat.h>
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#include "data/memory_chunk.h"
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#include "data/socket_file.h"
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#include "torrent/exceptions.h"
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#include "file_manager.h"
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m_priority(PRIORITY_NORMAL),
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m_lastTouched(cachedTime.usec()) {
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throw internal_error("File::~File() called on an open file.");
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File::is_created() const {
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// If we can't even get permission to do fstat, we might as well
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// consider the file as not created. This function is to be used by
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// the client to check that the torrent files are present and ok,
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// rather than as a way to find out if it is starting on a blank
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if (!fs.update(frozen_path()))
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// return rak::error_number::current() == rak::error_number::e_access;
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return fs.is_regular();
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File::is_correct_size() const {
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if (!fs.update(frozen_path()))
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return fs.is_regular() && (uint64_t)fs.size() == m_size;
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File::prepare(int prot, int flags) {
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// if (!m_slotPrepare.is_valid())
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m_lastTouched = cachedTime.usec();
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if (is_open() && has_permissions(prot))
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return manager->file_manager()->open(this, prot, flags);
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File::set_range(uint32_t chunkSize) {
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m_range = range_type(0, 0);
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else if (m_size == 0)
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m_range = File::range_type(m_offset / chunkSize, m_offset / chunkSize);
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m_range = File::range_type(m_offset / chunkSize, (m_offset + m_size + chunkSize - 1) / chunkSize);
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File::resize_file() {
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if (!prepare(MemoryChunk::prot_read))
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if (m_size == SocketFile(m_fd).size())
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if (!prepare(MemoryChunk::prot_read | MemoryChunk::prot_write) ||
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!SocketFile(m_fd).set_size(m_size))
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// Not here... make it a setting of sorts?
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//get_file().reserve();