*** empty log message ***

examples/client_test.cpp

@@ -133,6 +133,17 @@ void clear()
 
 #endif
 
+std::string to_string(float v)
+{
+	std::stringstream s;
+	s.precision(4);
+	s.flags(std::ios_base::right);
+	s.width(5);
+	s.fill(' ');
+	s << v;
+	return s.str();
+}
+
 std::string add_suffix(float val)
 {
 	const char* prefix[] = {"B ", "kB", "MB", "GB", "TB"};
@@ -141,10 +152,10 @@ std::string add_suffix(float val)
 	for (i = 0; i < num_prefix; ++i)
 	{
 		if (val < 1024.f)
-			return boost::lexical_cast<std::string>(val) + prefix[i];
+			return to_string(val) + prefix[i];
 		val /= 1024.f;
 	}
-	return boost::lexical_cast<std::string>(val) + prefix[i];
+	return to_string(val) + prefix[i];
 }
 
 int main(int argc, char* argv[])
@@ -252,14 +263,14 @@ int main(int argc, char* argv[])
 				boost::posix_time::time_duration t = s.next_announce;
 //				std::cout << "next announce: " << boost::posix_time::to_simple_string(t) << "\n";
 				std::cout << "next announce: " << t.hours() << ":" << t.minutes() << ":" << t.seconds() << "\n";
-/*
+
 				for (std::vector<peer_info>::iterator i = peers.begin();
 					i != peers.end();
 					++i)
 				{
 					std::cout << "d: " << add_suffix(i->down_speed) << "/s (" << add_suffix(i->total_download)
 						<< ") u: " << add_suffix(i->up_speed) << "/s (" << add_suffix(i->total_upload)
-						<< ") ratio: " << static_cast<float>(i->total_upload+1) / static_cast<float>(i->total_download+1)
+						<< ") diff: " << add_suffix(i->total_download - i->total_upload)
 						<< " flags: "
 						<< static_cast<const char*>((i->flags & peer_info::interesting)?"I":"_")
 						<< static_cast<const char*>((i->flags & peer_info::choked)?"C":"_")
@@ -267,8 +278,8 @@ int main(int argc, char* argv[])
 						<< static_cast<const char*>((i->flags & peer_info::remote_choked)?"c":"_") << "\n";
 
 				}
-*/
 
+/*
 				i->get_download_queue(queue);
 				for (std::vector<partial_piece_info>::iterator i = queue.begin();
 					i != queue.end();
@@ -283,7 +294,7 @@ int main(int argc, char* argv[])
 					}
 					std::cout << "\n";
 				}
-
+*/
 				std::cout << "___________________________________\n";
 
 			}

include/libtorrent/peer_connection.hpp

@@ -342,6 +342,7 @@ namespace libtorrent
 		// this peer given the current download rate
 		// and the current share ratio with this peer.
 		// this limit will maintain a 1:1 share ratio.
+		// -1 means no limit
 		int m_send_quota_limit;
 
 		// for every valid piece we receive where this
@@ -369,6 +370,7 @@ namespace libtorrent
 			return;
 		}
 
+		assert(m_send_quota_left > 0 || m_send_quota_left == -1);
 		assert(has_data());
 		if (!m_added_to_selector)
 		{

src/peer_connection.cpp

@@ -762,15 +762,27 @@ void libtorrent::peer_connection::second_tick()
 	// both peers uses this technique! It could be
 	// enough to just have a constant positive bias
 	// of the send_quota_limit
-	int bias = (static_cast<int>(m_statistics.total_download())
-		- static_cast<int>(m_statistics.total_upload())) / 1024;
+	int diff = static_cast<int>(m_statistics.total_download())
+		- static_cast<int>(m_statistics.total_upload());
 
+	if (diff > m_torrent->torrent_file().piece_length())
+	{
+		// if we have downloaded more than one piece more
+		// than we have uploaded, have an unlimited
+		// upload rate
+		m_send_quota = -1;
+	}
+	else
+	{
+		// if we have downloaded too much, response with an
+		// upload rate of 10 kB/s more than we dowlload
+		// if we have uploaded too much, send with a rate of
+		// 10 kB/s less than we receive
+		int bias = (diff > 0 ? 10 : -10) * 1024;
 		// the maximum send_quota given our download rate from this peer
-	int m_send_quota_limit = m_statistics.download_rate() + bias;
+		m_send_quota_limit = m_statistics.download_rate() + bias;
 		if (m_send_quota_limit < 500) m_send_quota_limit = 500;
-
-	// TODO: temporary
-	m_send_quota_limit = 1024*1024;
+	}
 }
 
 // --------------------------

src/session.cpp

@@ -93,7 +93,7 @@ namespace
 			return;
 		}
 
-		// TODO: IMPLEMENT!
+		// TODO: upload limit support is currently broken
 		assert(false);
 
 

src/storage.cpp

@@ -1427,7 +1427,8 @@ namespace libtorrent {
 
 			in.read(buf + buf_pos, read_bytes);
 
-			assert(read_bytes == in.gcount());
+			int actual_read = in.gcount();
+			assert(read_bytes == actual_read);
 
 			left_to_read -= read_bytes;
 			buf_pos += read_bytes;
@@ -1590,7 +1591,7 @@ namespace libtorrent {
 		std::vector<char> piece_data(m_info.piece_length());
 		std::size_t piece_offset = 0;
 
-		std::size_t current_piece = 0;
+		int current_piece = 0;
 		std::size_t bytes_to_read = piece_size;
 		std::size_t bytes_current_read = 0;
 		std::size_t seek_into_next = 0;
@@ -1679,6 +1680,7 @@ namespace libtorrent {
 					{
 						m_unallocated_slots.push_back(current_piece);
 						++current_piece;
+						assert(current_piece <= m_info.num_pieces());
 					}
 
 					seek_into_next = pos - file_end;

src/torrent.cpp

@@ -376,12 +376,12 @@ namespace libtorrent
 
 		const entry::dictionary_type& msg = e.dict();
 		i = msg.find("interval");
-		if (i == msg.end()) throw std::runtime_error("invalid response from tracker");
+		if (i == msg.end()) throw std::runtime_error("invalid response from tracker (no interval)");
 
 		m_duration = i->second.integer();
 
 		i = msg.find("peers");
-		if (i == msg.end()) throw std::runtime_error("invalid response from tracker");
+		if (i == msg.end()) throw std::runtime_error("invalid response from tracker (no peers)");
 
 		peer_list.clear();