*** empty log message ***

include/libtorrent/http_tracker_connection.hpp

@@ -70,7 +70,7 @@ namespace libtorrent
 			, tracker_request const& req
 			, std::string const& hostname
 			, unsigned short port
-			, std::string const& request
+			, std::string request
 			, boost::weak_ptr<request_callback> c
 			, const http_settings& stn
 			, std::string const& password = "");

include/libtorrent/tracker_manager.hpp

@@ -77,6 +77,19 @@ namespace libtorrent
 
 	struct tracker_request
 	{
+		tracker_request()
+			: kind(announce_request)
+			, event(none)
+			, key(0)
+			, num_want(0)
+		{}
+
+		enum
+		{
+			announce_request,
+			scrape_request
+		} kind;
+
 		enum event_t
 		{
 			none,
@@ -162,10 +175,6 @@ namespace libtorrent
 		tracker_connections_t m_connections;
 		const http_settings& m_settings;
 	};
-/*
-	inline request_callback::~request_callback()
-	{ if (m_manager) m_manager->abort_request(this); }
-*/
 }
 
 #endif // TORRENT_TRACKER_MANAGER_HPP_INCLUDED

src/http_tracker_connection.cpp

@@ -82,7 +82,7 @@ namespace libtorrent
 		, tracker_request const& req
 		, std::string const& hostname
 		, unsigned short port
-		, std::string const& request
+		, std::string request
 		, boost::weak_ptr<request_callback> c
 		, const http_settings& stn
 		, std::string const& auth)
@@ -129,12 +129,34 @@ namespace libtorrent
 				m_send_buffer += boost::lexical_cast<std::string>(port);
 		}
 
+		if (m_req.kind == tracker_request::scrape_request)
+		{
+			// TODO: find and replace "announce" with "scrape"
+			// in request
+
+			std::size_t pos = request.find("announce");
+			if (pos == std::string::npos)
+				throw std::runtime_error("scrape is not available on url: '"
+				+ m_req.url +"'");
+			request.replace(pos, 8, "scrape");
+		}
+
 		m_send_buffer += request;
 
-		m_send_buffer += "?info_hash=";
+		// if request-string already contains
+		// some parameters, append an ampersand instead
+		// of a question mark
+		if (request.find('?') != std::string::npos)
+			m_send_buffer += "&";
+		else
+			m_send_buffer += "?";
+
+		m_send_buffer += "info_hash=";
 		m_send_buffer += escape_string(
 			reinterpret_cast<const char*>(req.info_hash.begin()), 20);
 
+		if (m_req.kind == tracker_request::announce_request)
+		{
 			m_send_buffer += "&peer_id=";
 			m_send_buffer += escape_string(
 				reinterpret_cast<const char*>(req.id.begin()), 20);
@@ -169,6 +191,7 @@ namespace libtorrent
 			// extension that tells the tracker that
 			// we don't need any peer_id's in the response
 			m_send_buffer += "&no_peer_id=1";
+		}
 
 		m_send_buffer += " HTTP/1.0\r\nAccept-Encoding: gzip\r\n"
 			"User-Agent: ";
@@ -546,11 +569,9 @@ namespace libtorrent
 	{
 		if (!has_requester()) return;
 
-		std::vector<peer_entry> peer_list;
 		try
 		{
 			// parse the response
-
 			try
 			{
 				entry const& failure = e["failure reason"];
@@ -561,9 +582,22 @@ namespace libtorrent
 			}
 			catch (type_error const&) {}
 
-			int interval = (int)e["interval"].integer();
+			std::vector<peer_entry> peer_list;
 
-			peer_list.clear();
+			if (m_req.kind == tracker_request::scrape_request)
+			{
+				std::string ih;
+				std::copy(m_req.info_hash.begin(), m_req.info_hash.end()
+					, std::back_inserter(ih));
+				entry scrape_data = e["files"][ih];
+				int complete = scrape_data["complete"].integer();
+				int incomplete = scrape_data["incomplete"].integer();
+				requester().tracker_response(peer_list, 0, complete
+					, incomplete);
+				return;
+			}
+
+			int interval = (int)e["interval"].integer();
 
 			if (e["peers"].type() == entry::string_t)
 			{

src/identify_client.cpp

@@ -251,8 +251,8 @@ namespace libtorrent
 		
 		if (find_string(PID, "eX"))
 		{
-			std::string user(PID + 2, PID + 20);
-			return "eXeem ('" + user + "')"; 
+			std::string user(PID + 2, PID + 14);
+			return std::string("eXeem ('") + user.c_str() + "')"; 
 		}
 
 		if (std::equal(PID, PID + 13, "\0\0\0\0\0\0\0\0\0\0\0\0\x97"))

src/torrent.cpp

@@ -1033,6 +1033,12 @@ namespace libtorrent
 			= boost::posix_time::seconds(0);
 		st.announce_interval = boost::posix_time::seconds(m_duration);
 
+		if (m_last_working_tracker >= 0)
+		{
+			st.current_tracker
+				= m_trackers[m_last_working_tracker].url;
+		}
+
 		// if we don't have any metadata, stop here
 
 		if (!valid_metadata())
@@ -1042,29 +1048,16 @@ namespace libtorrent
 			else
 				st.state = torrent_status::downloading_metadata;
 
-			if (m_have_metadata.empty())
-			{
-				st.progress = 0.f;
-			}
-			else
-			{
 			st.progress = std::count(
 				m_have_metadata.begin()
 				, m_have_metadata.end()
 				, true) / 256.f;
-			}
 
 			return st;
 		}
 
 		// fill in status that depends on metadata
 
-		if (m_last_working_tracker >= 0)
-		{
-			st.current_tracker
-				= m_trackers[m_last_working_tracker].url;
-		}
-
 		st.progress = st.total_done
 			/ static_cast<float>(m_torrent_file.total_size());
 

src/tracker_manager.cpp

@@ -35,6 +35,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #include <cctype>
 #include <iomanip>
 #include <sstream>
+#include <boost/tuple/tuple.hpp>
 
 #include "zlib.h"
 
@@ -357,40 +358,35 @@ namespace libtorrent
 		}
 	}
 
-	void tracker_manager::queue_request(
-		tracker_request req
-		, std::string const& auth
-		, boost::weak_ptr<request_callback> c)
+	namespace
 	{
-		assert(req.num_want >= 0);
-		if (req.event == tracker_request::stopped)
-			req.num_want = 0;
 
-		try
+		boost::tuple<std::string, std::string, int, std::string>
+			parse_url_components(std::string url)
 		{
 			std::string hostname; // hostname only
 			std::string protocol; // should be http
 			int port = 80;
 
 			// PARSE URL
-			std::string::iterator start = req.url.begin();
+			std::string::iterator start = url.begin();
 			std::string::iterator end
-				= std::find(req.url.begin(), req.url.end(), ':');
+				= std::find(url.begin(), url.end(), ':');
 			protocol = std::string(start, end);
 
-			if (end == req.url.end()) throw std::runtime_error("invalid url");
+			if (end == url.end()) throw std::runtime_error("invalid url");
 			++end;
-			if (end == req.url.end()) throw std::runtime_error("invalid url");
+			if (end == url.end()) throw std::runtime_error("invalid url");
 			if (*end != '/') throw std::runtime_error("invalid url");
 			++end;
-			if (end == req.url.end()) throw std::runtime_error("invalid url");
+			if (end == url.end()) throw std::runtime_error("invalid url");
 			if (*end != '/') throw std::runtime_error("invalid url");
 			++end;
 			start = end;
 
-			end = std::find(start, req.url.end(), '/');
+			end = std::find(start, url.end(), '/');
 			std::string::iterator port_pos
-				= std::find(start, req.url.end(), ':');
+				= std::find(start, url.end(), ':');
 
 			if (port_pos < end)
 			{
@@ -402,7 +398,8 @@ namespace libtorrent
 				}
 				catch(boost::bad_lexical_cast&)
 				{
-					throw std::runtime_error("invalid url: \"" + req.url + "\"");
+					throw std::runtime_error("invalid url: \"" + url
+						+ "\", port number expected");
 				}
 			}
 			else
@@ -411,7 +408,29 @@ namespace libtorrent
 			}
 
 			start = end;
-			std::string request_string = std::string(start, req.url.end());
+			return boost::make_tuple(protocol, hostname, port
+				, std::string(start, url.end()));
+		}
+	}
+
+	void tracker_manager::queue_request(
+		tracker_request req
+		, std::string const& auth
+		, boost::weak_ptr<request_callback> c)
+	{
+		assert(req.num_want >= 0);
+		if (req.event == tracker_request::stopped)
+			req.num_want = 0;
+
+		try
+		{
+			std::string protocol;
+			std::string hostname;
+			int port;
+			std::string request_string;
+
+			boost::tie(protocol, hostname, port, request_string)
+				= parse_url_components(req.url);
 
 			boost::shared_ptr<tracker_connection> con;
 
@@ -454,6 +473,7 @@ namespace libtorrent
 			}
 		}
 	}
+
 /*
 	void tracker_manager::abort_request(request_callback* c)
 	{

src/udp_tracker_connection.cpp

@@ -73,6 +73,9 @@ namespace libtorrent
 		, m_settings(stn)
 		, m_attempts(0)
 	{
+		// only announce is suppoerted at this time
+		assert(req.kind == tracker_request::announce_request);
+
 		// TODO: this is a problem. DNS-lookup is blocking!
 		// (may block up to 5 seconds)
 		address a(hostname.c_str(), port);