added btgdaemon to identify client and applied wojci's patch to add num_connections() and num_uploads() to session

include/libtorrent/aux_/session_impl.hpp

@@ -254,6 +254,8 @@ namespace libtorrent
 			void set_max_connections(int limit);
 			void set_max_uploads(int limit);
 
+			int num_uploads() const;
+			int num_connections() const;
 
 			session_status status() const;
 			void set_peer_id(peer_id const& id);

include/libtorrent/session.hpp

@@ -208,10 +208,18 @@ namespace libtorrent
 		// returns the port we ended up listening on
 		unsigned short listen_port() const;
 
+		// Get the number of uploads.
+		int num_uploads() const;
+
+		// Get the number of connections. This number also contains the
+		// number of half open connections.
+		int num_connections() const;
+
 		void remove_torrent(const torrent_handle& h);
 
 		void set_settings(session_settings const& s);
 		session_settings const& settings();
+
 		void set_upload_rate_limit(int bytes_per_second);
 		void set_download_rate_limit(int bytes_per_second);
 		void set_max_uploads(int limit);

src/identify_client.cpp

@@ -146,6 +146,7 @@ namespace
 		, map_entry("BB", "BitBuddy")
 		, map_entry("BC", "BitComet")
 		, map_entry("BF", "Bitflu")
+		, map_entry("BG", "btgdaemon")
 		, map_entry("BS", "BTSlave")
 		, map_entry("BX", "BittorrentX")
 		, map_entry("CD", "Enhanced CTorrent")

src/peer_connection.cpp

@@ -1020,6 +1020,7 @@ namespace libtorrent
 
 		piece_picker& picker = t->picker();
 		piece_manager& fs = t->filesystem();
+		policy& pol = t->get_policy();
 
 		std::vector<piece_block> finished_blocks;
 		piece_block block_finished(p.piece, p.start / t->block_size());
@@ -1108,7 +1109,7 @@ namespace libtorrent
 
 		try
 		{
-			t->get_policy().block_finished(*this, block_finished);
+			pol.block_finished(*this, block_finished);
 			send_block_requests();
 		}
 		catch (std::exception const&) {}
@@ -1158,7 +1159,7 @@ namespace libtorrent
 				t->piece_failed(p.piece);
 			}
 
-			t->get_policy().piece_finished(p.piece, verified);
+			pol.piece_finished(p.piece, verified);
 
 			if (!was_seed && t->is_seed())
 			{

src/session.cpp

@@ -282,6 +282,16 @@ namespace libtorrent
 		m_impl->set_download_rate_limit(bytes_per_second);
 	}
 
+	int session::num_uploads() const
+	{
+		return m_impl->num_uploads();
+	}
+
+	int session::num_connections() const
+	{
+		return m_impl->num_connections();
+	}
+
 	std::auto_ptr<alert> session::pop_alert()
 	{
 		return m_impl->pop_alert();

src/session_impl.cpp

@@ -1633,6 +1633,7 @@ namespace libtorrent { namespace detail
 	{
 		assert(limit > 0 || limit == -1);
 		mutex_t::scoped_lock l(m_mutex);
+   
 		m_half_open_limit = limit;
 	}
 
@@ -1643,6 +1644,25 @@ namespace libtorrent { namespace detail
 		m_upload_rate = bytes_per_second;
 	}
 
+	int session_impl::num_uploads() const
+	{
+		int uploads = 0;
+		mutex_t::scoped_lock l(m_mutex);
+		for (torrent_map::const_iterator i = m_torrents.begin()
+			, end(m_torrents.end()); i != end; i++)
+		{
+			uploads += i->second->get_policy().num_uploads();
+		}
+		return uploads;
+	}
+
+	int session_impl::num_connections() const
+	{
+		mutex_t::scoped_lock l(m_mutex);
+		return  m_connections.size() + m_half_open.size();
+	}
+
+
 	std::auto_ptr<alert> session_impl::pop_alert()
 	{
 		mutex_t::scoped_lock l(m_mutex);