lt sync 2039
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b72098e561
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51dccc21ae
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@ -372,6 +372,8 @@ namespace libtorrent
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void free_buffer(char* buf, int size);
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void free_disk_buffer(char* buf);
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address m_external_address;
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// private:
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void on_lsd_peer(tcp::endpoint peer, sha1_hash const& ih);
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@ -117,6 +117,9 @@ struct bandwidth_manager
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void close()
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{
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m_abort = true;
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m_queue.clear();
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m_history.clear();
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m_current_quota = 0;
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m_history_timer.cancel();
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}
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@ -153,6 +156,7 @@ struct bandwidth_manager
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{
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mutex_t::scoped_lock l(m_mutex);
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INVARIANT_CHECK;
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if (m_abort) return;
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TORRENT_ASSERT(blk > 0);
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TORRENT_ASSERT(!peer->ignore_bandwidth_limits());
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@ -45,6 +45,10 @@ namespace libtorrent
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bool is_loopback(address const& addr);
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bool is_multicast(address const& addr);
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bool is_any(address const& addr);
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int cidr_distance(address const& a1, address const& a2);
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int common_bits(unsigned char const* b1
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, unsigned char const* b2, int n);
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address guess_local_address(asio::io_service&);
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@ -44,6 +44,7 @@ POSSIBILITY OF SUCH DAMAGE.
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#include <boost/bind.hpp>
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#include <boost/pool/pool.hpp>
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#include <boost/noncopyable.hpp>
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#include <list>
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#include "libtorrent/config.hpp"
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namespace libtorrent
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@ -133,7 +134,7 @@ namespace libtorrent
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mutable mutex_t m_mutex;
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boost::condition m_signal;
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bool m_abort;
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std::deque<disk_io_job> m_jobs;
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std::list<disk_io_job> m_jobs;
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size_type m_queue_buffer_size;
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// memory pool for read and write operations
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@ -99,6 +99,44 @@ namespace libtorrent
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return ret;
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}
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// count the length of the common bit prefix
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int common_bits(unsigned char const* b1
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, unsigned char const* b2, int n)
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{
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for (int i = 0; i < n; ++i, ++b1, ++b2)
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{
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unsigned char a = *b1 ^ *b2;
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if (a == 0) continue;
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int ret = i * 8 + 8;
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for (; a > 0; a >>= 1) --ret;
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return ret;
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}
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return n * 8;
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}
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// returns the number of bits in that differ from the right
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// between the addresses.
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int cidr_distance(address const& a1, address const& a2)
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{
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if (a1.is_v4() == a2.is_v4())
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{
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// both are v4
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address_v4::bytes_type b1 = a1.to_v4().to_bytes();
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address_v4::bytes_type b2 = a2.to_v4().to_bytes();
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return address_v4::bytes_type::static_size * 8
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- common_bits(b1.c_array(), b2.c_array(), b1.size());
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}
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address_v6::bytes_type b1;
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address_v6::bytes_type b2;
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if (a1.is_v4()) b1 = address_v6::v4_mapped(a1.to_v4()).to_bytes();
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else b1 = a1.to_v6().to_bytes();
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if (a2.is_v4()) b2 = address_v6::v4_mapped(a2.to_v4()).to_bytes();
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else b2 = a2.to_v6().to_bytes();
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return address_v6::bytes_type::static_size * 8
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- common_bits(b1.c_array(), b2.c_array(), b1.size());
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}
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broadcast_socket::broadcast_socket(asio::io_service& ios
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, udp::endpoint const& multicast_endpoint
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, receive_handler_t const& handler
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@ -1228,6 +1228,27 @@ namespace libtorrent
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if (m_max_out_request_queue < 1)
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m_max_out_request_queue = 1;
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}
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if (entry* myip = root.find_key("yourip"))
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{
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// TODO: don't trust this blindly
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if (myip->type() == entry::string_t)
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{
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std::string const& my_ip = myip->string().c_str();
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if (my_ip.size() == address_v4::bytes_type::static_size)
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{
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address_v4::bytes_type bytes;
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std::copy(my_ip.begin(), my_ip.end(), bytes.begin());
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m_ses.m_external_address = address_v4(bytes);
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}
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else if (my_ip.size() == address_v6::bytes_type::static_size)
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{
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address_v6::bytes_type bytes;
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std::copy(my_ip.begin(), my_ip.end(), bytes.begin());
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m_ses.m_external_address = address_v6(bytes);
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}
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}
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}
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}
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bool bt_peer_connection::dispatch_message(int received)
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@ -70,7 +70,7 @@ namespace libtorrent
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, int action, int piece) const
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{
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mutex_t::scoped_lock l(m_mutex);
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for (std::deque<disk_io_job>::const_iterator i = m_jobs.begin();
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for (std::list<disk_io_job>::const_iterator i = m_jobs.begin();
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i != m_jobs.end(); ++i)
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{
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if (i->storage != s)
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@ -105,7 +105,7 @@ namespace libtorrent
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{
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mutex_t::scoped_lock l(m_mutex);
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// read jobs are aborted, write and move jobs are syncronized
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for (std::deque<disk_io_job>::iterator i = m_jobs.begin();
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for (std::list<disk_io_job>::iterator i = m_jobs.begin();
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i != m_jobs.end();)
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{
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if (i->storage != s)
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@ -158,7 +158,7 @@ namespace libtorrent
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TORRENT_ASSERT(j.storage);
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mutex_t::scoped_lock l(m_mutex);
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std::deque<disk_io_job>::reverse_iterator i = m_jobs.rbegin();
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std::list<disk_io_job>::reverse_iterator i = m_jobs.rbegin();
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if (j.action == disk_io_job::read)
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{
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// when we're reading, we may not skip
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@ -201,7 +201,7 @@ namespace libtorrent
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if (i == m_jobs.rend() && (m_jobs.empty() || j.priority <= m_jobs.back().priority))
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i = m_jobs.rbegin();
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std::deque<disk_io_job>::iterator k = m_jobs.insert(i.base(), j);
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std::list<disk_io_job>::iterator k = m_jobs.insert(i.base(), j);
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k->callback.swap(const_cast<boost::function<void(int, disk_io_job const&)>&>(f));
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if (j.action == disk_io_job::write)
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m_queue_buffer_size += j.buffer_size;
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@ -1393,6 +1393,8 @@ namespace libtorrent
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#ifndef NDEBUG
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t->check_invariant();
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#endif
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request_a_block(*t, *this);
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send_block_requests();
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}
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void peer_connection::on_disk_write_complete(int ret, disk_io_job const& j
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@ -2485,7 +2487,7 @@ namespace libtorrent
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if (m_bandwidth_limit[upload_channel].max_assignable() > 0)
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{
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#ifdef TORRENT_VERBOSE_LOGGING
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(*m_logger) << "req bandwidth [ " << upload_channel << " ]\n";
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(*m_logger) << time_now_string() << " *** REQUEST_BANDWIDTH [ upload ]\n";
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#endif
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TORRENT_ASSERT(!m_writing);
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@ -2497,7 +2499,18 @@ namespace libtorrent
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return;
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}
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if (!can_write()) return;
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if (!can_write())
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{
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#ifdef TORRENT_VERBOSE_LOGGING
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(*m_logger) << time_now_string() << " *** CANNOT WRITE ["
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" quota: " << m_bandwidth_limit[download_channel].quota_left() <<
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" ignore: " << (m_ignore_bandwidth_limits?"yes":"no") <<
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" buf: " << m_send_buffer.size() <<
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" connecting: " << (m_connecting?"yes":"no") <<
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" ]\n";
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#endif
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return;
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}
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TORRENT_ASSERT(!m_writing);
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@ -2512,7 +2525,7 @@ namespace libtorrent
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TORRENT_ASSERT(amount_to_send > 0);
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#ifdef TORRENT_VERBOSE_LOGGING
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(*m_logger) << "async_write " << amount_to_send << " bytes\n";
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(*m_logger) << time_now_string() << " *** ASYNC_WRITE [ bytes: " << amount_to_send << " ]\n";
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#endif
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std::list<asio::const_buffer> const& vec = m_send_buffer.build_iovec(amount_to_send);
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m_socket->async_write_some(vec, bind(&peer_connection::on_send_data, self(), _1, _2));
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@ -2528,7 +2541,7 @@ namespace libtorrent
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INVARIANT_CHECK;
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#ifdef TORRENT_VERBOSE_LOGGING
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(*m_logger) << "setup_receive: reading = " << m_reading << "\n";
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(*m_logger) << time_now_string() << " *** SETUP_RECEIVE [ reading: " << (m_reading?"yes":"no") << "]\n";
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#endif
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if (m_reading) return;
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@ -2542,7 +2555,7 @@ namespace libtorrent
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if (m_bandwidth_limit[download_channel].max_assignable() > 0)
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{
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#ifdef TORRENT_VERBOSE_LOGGING
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(*m_logger) << "req bandwidth [ " << download_channel << " ]\n";
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(*m_logger) << time_now_string() << " *** REQUEST_BANDWIDTH [ download ]\n";
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#endif
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m_reading = true;
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t->request_bandwidth(download_channel, self(), m_priority);
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@ -2550,7 +2563,18 @@ namespace libtorrent
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return;
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}
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if (!can_read()) return;
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if (!can_read())
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{
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#ifdef TORRENT_VERBOSE_LOGGING
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(*m_logger) << time_now_string() << " *** CANNOT READ ["
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" quota: " << m_bandwidth_limit[download_channel].quota_left() <<
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" ignore: " << (m_ignore_bandwidth_limits?"yes":"no") <<
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" outstanding: " << m_outstanding_writing_bytes <<
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" outstanding-limit: " << m_ses.settings().max_outstanding_disk_bytes_per_connection <<
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" ]\n";
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#endif
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return;
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}
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TORRENT_ASSERT(m_packet_size > 0);
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int max_receive = m_packet_size - m_recv_pos;
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@ -2565,7 +2589,7 @@ namespace libtorrent
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TORRENT_ASSERT(can_read());
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#ifdef TORRENT_VERBOSE_LOGGING
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(*m_logger) << "async_read " << max_receive << " bytes\n";
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(*m_logger) << time_now_string() << " *** ASYNC_READ [ max: " << max_receive << " bytes ]\n";
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#endif
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m_socket->async_read_some(asio::buffer(&m_recv_buffer[m_recv_pos]
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, max_receive), bind(&peer_connection::on_receive_data, self(), _1, _2));
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@ -2782,7 +2806,7 @@ namespace libtorrent
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m_ses.settings().max_outstanding_disk_bytes_per_connection;
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#if defined(TORRENT_VERBOSE_LOGGING)
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(*m_logger) << "*** can_read() " << ret << " reading: " << m_reading << "\n";
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(*m_logger) << time_now_string() << " *** can_read() " << (ret?"yes":"no") << " reading: " << m_reading << "\n";
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#endif
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return ret;
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@ -525,7 +525,18 @@ namespace libtorrent
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int max_failcount = m_torrent->settings().max_failcount;
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int min_reconnect_time = m_torrent->settings().min_reconnect_time;
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int min_cidr_distance = (std::numeric_limits<int>::max)();
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bool finished = m_torrent->is_finished();
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address external_ip = m_torrent->session().m_external_address;
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if (external_ip == address())
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{
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// set external_ip to a random value, to
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// radomize which peers we prefer
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address_v4::bytes_type bytes;
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std::generate(bytes.begin(), bytes.end(), &std::rand);
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external_ip = address_v4(bytes);
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}
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aux::session_impl& ses = m_torrent->session();
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@ -549,15 +560,29 @@ namespace libtorrent
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TORRENT_ASSERT(i->second.connected <= now);
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if (i->second.connected <= min_connect_time)
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{
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if (i->second.connected > min_connect_time) continue;
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int distance = cidr_distance(external_ip, i->second.ip.address());
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if (distance > min_cidr_distance) continue;
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min_cidr_distance = distance;
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min_connect_time = i->second.connected;
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candidate = i;
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}
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}
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TORRENT_ASSERT(min_connect_time <= now);
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#if defined TORRENT_LOGGING || defined TORRENT_VERBOSE_LOGGING
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if (candidate != m_peers.end())
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{
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(*m_torrent->session().m_logger) << "*** FOUND CONNECTION CANDIDATE ["
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" ip: " << candidate->second.ip <<
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" d: " << min_cidr_distance <<
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" external: " << external_ip <<
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" t: " << total_seconds(time_now() - min_connect_time) <<
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" ]\n";
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}
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#endif
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return candidate;
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}
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/*
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