133 lines
4.4 KiB
C++
133 lines
4.4 KiB
C++
/*
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Copyright (c) 2003-2016, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "libtorrent/config.hpp"
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#include "libtorrent/assert.hpp"
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#include "libtorrent/torrent_peer_allocator.hpp"
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namespace libtorrent {
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torrent_peer_allocator::torrent_peer_allocator()
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: m_ipv4_peer_pool(sizeof(libtorrent::ipv4_peer), 500)
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#if TORRENT_USE_IPV6
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, m_ipv6_peer_pool(sizeof(libtorrent::ipv6_peer), 500)
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#endif
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#if TORRENT_USE_I2P
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, m_i2p_peer_pool(sizeof(libtorrent::i2p_peer), 500)
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#endif
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, m_total_bytes(0)
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, m_total_allocations(0)
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, m_live_bytes(0)
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, m_live_allocations(0)
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{
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}
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torrent_peer* torrent_peer_allocator::allocate_peer_entry(int type)
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{
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torrent_peer* p = nullptr;
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switch(type)
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{
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case torrent_peer_allocator_interface::ipv4_peer_type:
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p = static_cast<torrent_peer*>(m_ipv4_peer_pool.malloc());
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if (p == nullptr) return nullptr;
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m_ipv4_peer_pool.set_next_size(500);
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m_total_bytes += sizeof(libtorrent::ipv4_peer);
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m_live_bytes += sizeof(libtorrent::ipv4_peer);
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++m_live_allocations;
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++m_total_allocations;
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break;
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#if TORRENT_USE_IPV6
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case torrent_peer_allocator_interface::ipv6_peer_type:
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p = static_cast<torrent_peer*>(m_ipv6_peer_pool.malloc());
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if (p == nullptr) return nullptr;
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m_ipv6_peer_pool.set_next_size(500);
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m_total_bytes += sizeof(libtorrent::ipv6_peer);
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m_live_bytes += sizeof(libtorrent::ipv6_peer);
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++m_live_allocations;
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++m_total_allocations;
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break;
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#endif
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#if TORRENT_USE_I2P
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case torrent_peer_allocator_interface::i2p_peer_type:
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p = static_cast<torrent_peer*>(m_i2p_peer_pool.malloc());
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if (p == nullptr) return nullptr;
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m_i2p_peer_pool.set_next_size(500);
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m_total_bytes += sizeof(libtorrent::i2p_peer);
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m_live_bytes += sizeof(libtorrent::i2p_peer);
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++m_live_allocations;
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++m_total_allocations;
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break;
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#endif
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}
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return p;
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}
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void torrent_peer_allocator::free_peer_entry(torrent_peer* p)
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{
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#if TORRENT_USE_IPV6
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if (p->is_v6_addr)
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{
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TORRENT_ASSERT(m_ipv6_peer_pool.is_from(static_cast<libtorrent::ipv6_peer*>(p)));
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static_cast<libtorrent::ipv6_peer*>(p)->~ipv6_peer();
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m_ipv6_peer_pool.free(p);
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TORRENT_ASSERT(m_live_bytes >= int(sizeof(ipv6_peer)));
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m_live_bytes -= int(sizeof(ipv6_peer));
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TORRENT_ASSERT(m_live_allocations > 0);
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--m_live_allocations;
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return;
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}
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#endif
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#if TORRENT_USE_I2P
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if (p->is_i2p_addr)
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{
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TORRENT_ASSERT(m_i2p_peer_pool.is_from(static_cast<libtorrent::i2p_peer*>(p)));
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static_cast<libtorrent::i2p_peer*>(p)->~i2p_peer();
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m_i2p_peer_pool.free(p);
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TORRENT_ASSERT(m_live_bytes >= int(sizeof(i2p_peer)));
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m_live_bytes -= int(sizeof(i2p_peer));
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TORRENT_ASSERT(m_live_allocations > 0);
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--m_live_allocations;
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return;
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}
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#endif
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TORRENT_ASSERT(m_ipv4_peer_pool.is_from(static_cast<libtorrent::ipv4_peer*>(p)));
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static_cast<libtorrent::ipv4_peer*>(p)->~ipv4_peer();
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m_ipv4_peer_pool.free(p);
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TORRENT_ASSERT(m_live_bytes >= int(sizeof(ipv4_peer)));
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m_live_bytes -= int(sizeof(ipv4_peer));
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TORRENT_ASSERT(m_live_allocations > 0);
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--m_live_allocations;
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}
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}
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