added feature to not count downloaded bytes from web seeds in stats

ChangeLog

@@ -1,3 +1,4 @@
+	* added feature to not count downloaded bytes from web seeds in stats
 	* added alert for incoming local service discovery messages
 	* added option to set file priorities when adding torrents
 	* removed the session mutex for improved performance

include/libtorrent/peer_connection.hpp

@@ -245,6 +245,9 @@ namespace libtorrent
 		bool no_download() const { return m_no_download; }
 		void no_download(bool b) { m_no_download = b; }
 
+		bool ignore_stats() const { return m_ignore_stats; }
+		void ignore_stats(bool b) { m_ignore_stats = b; }
+
 		void set_priority(int p)
 		{
 			TORRENT_ASSERT(p > 0);
@@ -1055,6 +1058,10 @@ namespace libtorrent
 		// set to true when we've sent the first round of suggests
 		bool m_sent_suggests:1;
 
+		// when this is set, the transfer stats for this connection
+		// is not included in the torrent or session stats
+		bool m_ignore_stats:1;
+		
 		template <std::size_t Size>
 		struct handler_storage
 		{

include/libtorrent/session_settings.hpp

@@ -216,6 +216,7 @@ namespace libtorrent
 			, ignore_resume_timestamps(false)
 			, anonymous_mode(false)
 			, tick_interval(100)
+			, report_web_seed_downloads(true)
 		{}
 
 		// libtorrent version. Used for forward binary compatibility
@@ -834,6 +835,10 @@ namespace libtorrent
 		// the number of milliseconds between internal ticks. Should be no
 		// more than one second (i.e. 1000).
 		int tick_interval;
+
+		// specifies whether downloads from web seeds is reported to the
+		// tracker or not. Defaults to on
+		bool report_web_seed_downloads;
 	};
 
 #ifndef TORRENT_DISABLE_DHT

src/http_seed_connection.cpp

@@ -69,6 +69,9 @@ namespace libtorrent
 	{
 		INVARIANT_CHECK;
 
+		if (!ses.settings().report_web_seed_downloads)
+			ignore_stats(true);
+
 		// we want large blocks as well, so
 		// we can request more bytes at once
 		request_large_blocks(true);

src/peer_connection.cpp

@@ -148,6 +148,7 @@ namespace libtorrent
 		, m_bitfield_received(false)
 		, m_no_download(false)
 		, m_sent_suggests(false)
+		, m_ignore_stats(false)
 #ifdef TORRENT_DEBUG
 		, m_in_constructor(true)
 		, m_disconnect_started(false)
@@ -283,6 +284,7 @@ namespace libtorrent
 		, m_bitfield_received(false)
 		, m_no_download(false)
 		, m_sent_suggests(false)
+		, m_ignore_stats(false)
 #ifdef TORRENT_DEBUG
 		, m_in_constructor(true)
 		, m_disconnect_started(false)
@@ -3237,7 +3239,7 @@ namespace libtorrent
 		if (t)
 		{
 			// make sure we keep all the stats!
-			t->add_stats(statistics());
+			if (!m_ignore_stats) t->add_stats(statistics());
 
 			if (t->has_picker())
 			{

src/session_impl.cpp

@@ -1253,6 +1253,19 @@ namespace aux {
 		// if anonymous mode was enabled, clear out the peer ID
 		bool anonymous = (m_settings.anonymous_mode != s.anonymous_mode && s.anonymous_mode);
 
+		if (m_settings.report_web_seed_downloads != s.report_web_seed_downloads)
+		{
+			// if this flag changed, update all web seed connections
+			for (connection_map::iterator i = m_connections.begin()
+				, end(m_connections.end()); i != end; ++i)
+			{
+				int type = (*i)->type();
+				if (type == peer_connection::url_seed_connection
+					|| type == peer_connection::http_seed_connection)
+					(*i)->ignore_stats(!s.report_web_seed_downloads);
+			}
+		}
+
 		m_settings = s;
 
 		// enable anonymous mode. We don't want to accept any incoming

src/torrent.cpp

@@ -5770,7 +5770,10 @@ namespace libtorrent
 		{
 			peer_connection* p = *i;
 			++i;
+
+			if (!p->ignore_stats())
 				m_stat += p->statistics();
+
 			// updates the peer connection's ul/dl bandwidth
 			// resource requests
 #ifndef BOOST_NO_EXCEPTIONS

src/web_peer_connection.cpp

@@ -70,6 +70,9 @@ namespace libtorrent
 	{
 		INVARIANT_CHECK;
 
+		if (!ses.settings().report_web_seed_downloads)
+			ignore_stats(true);
+
 		// we want large blocks as well, so
 		// we can request more bytes at once
 		request_large_blocks(true);