[webconsole] remove version from title, move tunnel chain print from Tunnel class

Signed-off-by: R4SAS <r4sas@i2pmail.org>

daemon/HTTPServer.cpp

@@ -182,7 +182,7 @@ namespace http {
 			"  <meta charset=\"UTF-8\">\r\n"
 			"  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\r\n"
 			"  <link rel=\"shortcut icon\" href=\"" << itoopieFavicon << "\">\r\n"
-			"  <title>Purple I2P " VERSION " Webconsole</title>\r\n";
+			"  <title>Purple I2P Webconsole</title>\r\n";
 		GetStyles(s);
 		s <<
 			"</head>\r\n"
@@ -196,8 +196,10 @@ namespace http {
 		if (i2p::context.IsFloodfill ())
 			s << "  <a href=\"" << webroot << "?page=" << HTTP_PAGE_LEASESETS << "\">" << tr("LeaseSets") << "</a><br>\r\n";
 		s <<
-			"  <a href=\"" << webroot << "?page=" << HTTP_PAGE_TUNNELS << "\">" << tr("Tunnels") << "</a><br>\r\n"
-			"  <a href=\"" << webroot << "?page=" << HTTP_PAGE_TRANSIT_TUNNELS << "\">" << tr("Transit Tunnels") << "</a><br>\r\n"
+			"  <a href=\"" << webroot << "?page=" << HTTP_PAGE_TUNNELS << "\">" << tr("Tunnels") << "</a><br>\r\n";
+		if (i2p::context.AcceptsTunnels () || i2p::tunnel::tunnels.CountTransitTunnels())
+			s << "  <a href=\"" << webroot << "?page=" << HTTP_PAGE_TRANSIT_TUNNELS << "\">" << tr("Transit Tunnels") << "</a><br>\r\n";
+		s <<
 			"  <a href=\"" << webroot << "?page=" << HTTP_PAGE_TRANSPORTS << "\">" << tr ("Transports") << "</a><br>\r\n"
 			"  <a href=\"" << webroot << "?page=" << HTTP_PAGE_I2P_TUNNELS << "\">" << tr("I2P tunnels") << "</a><br>\r\n";
 		if (i2p::client::context.GetSAMBridge ())
@@ -295,10 +297,10 @@ namespace http {
 		s << " (" << (double) i2p::transport::transports.GetTransitBandwidth () / 1024 << " " << tr(/* tr: Kibibit/s */ "KiB/s") << ")<br>\r\n";
 		s << "<b>" << tr("Data path") << ":</b> " << i2p::fs::GetUTF8DataDir() << "<br>\r\n";
 		s << "<div class='slide'>";
-		if((outputFormat == OutputFormatEnum::forWebConsole) || !includeHiddenContent) {
+		if ((outputFormat == OutputFormatEnum::forWebConsole) || !includeHiddenContent) {
 			s << "<label for=\"slide-info\">" << tr("Hidden content. Press on text to see.") << "</label>\r\n<input type=\"checkbox\" id=\"slide-info\" />\r\n<div class=\"slidecontent\">\r\n";
 		}
-		if(includeHiddenContent) {
+		if (includeHiddenContent) {
 			s << "<b>" << tr("Router Ident") << ":</b> " << i2p::context.GetRouterInfo().GetIdentHashBase64() << "<br>\r\n";
 			if (!i2p::context.GetRouterInfo().GetProperty("family").empty())
 				s << "<b>" << tr("Router Family") << ":</b> " << i2p::context.GetRouterInfo().GetProperty("family") << "<br>\r\n";
@@ -318,31 +320,31 @@ namespace http {
 					break;
 					case i2p::data::RouterInfo::eTransportSSU2:
 						s << "SSU2";
-					break;	
+					break;
 					default:
 						s << tr("Unknown");
 				}
 				if (address->IsV6 ()) 
-				{	
+				{
 					if (address->IsV4 ()) s << "v4"; 
 					s << "v6";
-				}	
+				}
 				s << "</td>\r\n";
 				if (address->published)
 					s << "<td>" << address->host.to_string() << ":" << address->port << "</td>\r\n";
 				else
-				{	
+				{
 					s << "<td>" << tr("supported");
 					if (address->port)
-						s << " :" << address->port;	
+						s << " :" << address->port;
 					s << "</td>\r\n";
-				}		
+				}
 				s << "</tr>\r\n";
 			}
 			s << "</tbody></table>\r\n";
 		}
 		s << "</div>\r\n</div>\r\n";
-		if(outputFormat == OutputFormatEnum::forQtUi) {
+		if (outputFormat == OutputFormatEnum::forQtUi) {
 			s << "<br>";
 		}
 		s << "<b>" << tr("Routers") << ":</b> " << i2p::data::netdb.GetNumRouters () << " ";
@@ -356,7 +358,7 @@ namespace http {
 		s << "<b>" << tr("Client Tunnels") << ":</b> " << std::to_string(clientTunnelCount) << " ";
 		s << "<b>" << tr("Transit Tunnels") << ":</b> " << std::to_string(transitTunnelCount) << "<br>\r\n<br>\r\n";
 
-		if(outputFormat==OutputFormatEnum::forWebConsole) {
+		if (outputFormat==OutputFormatEnum::forWebConsole) {
 			bool httpproxy  = i2p::client::context.GetHttpProxy ()         ? true : false;
 			bool socksproxy = i2p::client::context.GetSocksProxy ()        ? true : false;
 			bool bob        = i2p::client::context.GetBOBCommandChannel () ? true : false;
@@ -417,7 +419,7 @@ namespace http {
 			s << "</div>\r\n</div>\r\n";
 		}
 
-		if(dest->IsPublic() && token)
+		if (dest->IsPublic() && token)
 		{
 			std::string webroot; i2p::config::GetOption("http.webroot", webroot);
 			auto base32 = dest->GetIdentHash ().ToBase32 ();
@@ -431,7 +433,7 @@ namespace http {
 			     "</form>\r\n<small>" << tr("<b>Note:</b> result string can be used only for registering 2LD domains (example.i2p). For registering subdomains please use i2pd-tools.") << "</small>\r\n</div>\r\n</div>\r\n<br>\r\n";
 		}
 
-		if(dest->GetNumRemoteLeaseSets())
+		if (dest->GetNumRemoteLeaseSets())
 		{
 			s << "<div class='slide'><label for='slide-lease'><b>" << tr("LeaseSets") << ":</b> <i>" << dest->GetNumRemoteLeaseSets ()
 			  << "</i></label>\r\n<input type=\"checkbox\" id=\"slide-lease\" />\r\n<div class=\"slidecontent\">\r\n<table><thead><th>"<< tr("Address") << "</th><th>" << tr("Type") << "</th><th>" << tr("EncType") << "</th></thead><tbody class=\"tableitem\">";
@@ -447,8 +449,18 @@ namespace http {
 			s << "<b>" << tr("Inbound tunnels") << ":</b><br>\r\n<div class=\"list\">\r\n";
 			for (auto & it : pool->GetInboundTunnels ()) {
 				s << "<div class=\"listitem\">";
-				it->Print(s);
-				if(it->LatencyIsKnown())
+				// for each tunnel hop if not zero-hop
+				if (it->GetNumHops ())
+				{
+					it->VisitTunnelHops(
+						[&s](std::shared_ptr<const i2p::data::IdentityEx> hopIdent)
+						{
+							s << "&#8658; " << i2p::data::GetIdentHashAbbreviation (hopIdent->GetIdentHash ()) << " ";
+						}
+					);
+				}
+				s << "&#8658; " << it->GetTunnelID () << ":me";
+				if (it->LatencyIsKnown())
 					s << " ( " << it->GetMeanLatency() << tr(/* tr: Milliseconds */ "ms") << " )";
 				ShowTunnelDetails(s, it->GetState (), false, it->GetNumReceivedBytes ());
 				s << "</div>\r\n";
@@ -457,8 +469,18 @@ namespace http {
 			s << "<b>" << tr("Outbound tunnels") << ":</b><br>\r\n<div class=\"list\">\r\n";
 			for (auto & it : pool->GetOutboundTunnels ()) {
 				s << "<div class=\"listitem\">";
-				it->Print(s);
-				if(it->LatencyIsKnown())
+				s << it->GetTunnelID () << ":me &#8658;";
+				// for each tunnel hop if not zero-hop
+				if (it->GetNumHops ())
+				{
+					it->VisitTunnelHops(
+						[&s](std::shared_ptr<const i2p::data::IdentityEx> hopIdent)
+						{
+							s << " " << i2p::data::GetIdentHashAbbreviation (hopIdent->GetIdentHash ()) << " &#8658;";
+						}
+					);
+				}
+				if (it->LatencyIsKnown())
 					s << " ( " << it->GetMeanLatency() << tr("ms") << " )";
 				ShowTunnelDetails(s, it->GetState (), false, it->GetNumSentBytes ());
 				s << "</div>\r\n";
@@ -631,8 +653,17 @@ namespace http {
 		s << "<b>" << tr("Inbound tunnels") << ":</b><br>\r\n<div class=\"list\">\r\n";
 		for (auto & it : i2p::tunnel::tunnels.GetInboundTunnels ()) {
 			s << "<div class=\"listitem\">";
-			it->Print(s);
-			if(it->LatencyIsKnown())
+			if (it->GetNumHops ())
+			{
+				it->VisitTunnelHops(
+					[&s](std::shared_ptr<const i2p::data::IdentityEx> hopIdent)
+					{
+						s << "&#8658; " << i2p::data::GetIdentHashAbbreviation (hopIdent->GetIdentHash ()) << " ";
+					}
+				);
+			}
+			s << "&#8658; " << it->GetTunnelID () << ":me";
+			if (it->LatencyIsKnown())
 			s << " ( " << it->GetMeanLatency() << tr("ms") << " )";
 			ShowTunnelDetails(s, it->GetState (), (it->GetTunnelPool () == ExplPool), it->GetNumReceivedBytes ());
 			s << "</div>\r\n";
@@ -641,8 +672,18 @@ namespace http {
 		s << "<b>" << tr("Outbound tunnels") << ":</b><br>\r\n<div class=\"list\">\r\n";
 		for (auto & it : i2p::tunnel::tunnels.GetOutboundTunnels ()) {
 			s << "<div class=\"listitem\">";
-			it->Print(s);
-			if(it->LatencyIsKnown())
+			s << it->GetTunnelID () << ":me &#8658;";
+			// for each tunnel hop if not zero-hop
+			if (it->GetNumHops ())
+			{
+				it->VisitTunnelHops(
+					[&s](std::shared_ptr<const i2p::data::IdentityEx> hopIdent)
+					{
+						s << " " << i2p::data::GetIdentHashAbbreviation (hopIdent->GetIdentHash ()) << " &#8658;";
+					}
+				);
+			}
+			if (it->LatencyIsKnown())
 			s << " ( " << it->GetMeanLatency() << tr("ms") << " )";
 			ShowTunnelDetails(s, it->GetState (), (it->GetTunnelPool () == ExplPool), it->GetNumSentBytes ());
 			s << "</div>\r\n";
@@ -714,7 +755,7 @@ namespace http {
 
 	void ShowTransitTunnels (std::stringstream& s)
 	{
-		if(i2p::tunnel::tunnels.CountTransitTunnels())
+		if (i2p::tunnel::tunnels.CountTransitTunnels())
 		{
 			s << "<b>" << tr("Transit Tunnels") << ":</b><br>\r\n<div class=\"list\">\r\n";
 			for (const auto& it: i2p::tunnel::tunnels.GetTransitTunnels ())
@@ -848,7 +889,7 @@ namespace http {
 			return;
 		}
 
-		if(sam->GetSessions ().size ())
+		if (sam->GetSessions ().size ())
 		{
 			s << "<b>" << tr("SAM sessions") << ":</b><br>\r\n<div class=\"list\">\r\n";
 			for (auto& it: sam->GetSessions ())
@@ -1065,6 +1106,7 @@ namespace http {
 			SendReply(res, content);
 			return;
 		}
+
 		bool strictheaders;
 		i2p::config::GetOption("http.strictheaders", strictheaders);
 		if (strictheaders)
@@ -1087,6 +1129,7 @@ namespace http {
 				return;
 			}
 		}
+
 		// HTML head start
 		ShowPageHead (s);
 		if (req.uri.find("page=") != std::string::npos) {
@@ -1207,7 +1250,7 @@ namespace http {
 		else if (cmd == HTTP_COMMAND_SHUTDOWN_CANCEL)
 		{
 			i2p::context.SetAcceptsTunnels (true);
-#if ((!defined(WIN32) && !defined(QT_GUI_LIB) && !defined(ANDROID))  || defined(ANDROID_BINARY))
+#if ((!defined(WIN32) && !defined(QT_GUI_LIB) && !defined(ANDROID)) || defined(ANDROID_BINARY))
 			Daemon.gracefulShutdownInterval = 0;
 #elif defined(WIN32_APP)
 			i2p::win32::StopGracefulShutdown ();
@@ -1239,7 +1282,7 @@ namespace http {
 			{
 				if (dest)
 				{
-					if(dest->DeleteStream (streamID))
+					if (dest->DeleteStream (streamID))
 						s << "<b>" << tr("SUCCESS") << "</b>:&nbsp;" << tr("Stream closed") << "<br>\r\n<br>\r\n";
 					else
 						s << "<b>" << tr("ERROR") << "</b>:&nbsp;" << tr("Stream not found or already was closed") << "<br>\r\n<br>\r\n";
@@ -1445,7 +1488,7 @@ namespace http {
 			CreateConnection(newSocket);
 		else
 		{
-			if(newSocket) newSocket->close();
+			if (newSocket) newSocket->close();
 			LogPrint(eLogError, "HTTP Server: Error handling accept: ", ecode.message());
 		}
 		Accept ();

libi2pd/Tunnel.cpp

@@ -235,15 +235,11 @@ namespace tunnel
 		m_State = state;
 	}
 
-
-	void Tunnel::PrintHops (std::stringstream& s) const
+	void Tunnel::VisitTunnelHops(TunnelHopVisitor v)
 	{
-		// hops are in inverted order, we must print in direct order
+		// hops are in inverted order, we must return in direct order
 		for (auto it = m_Hops.rbegin (); it != m_Hops.rend (); it++)
-		{
-			s << " &#8658; ";
-			s << i2p::data::GetIdentHashAbbreviation ((*it).ident->GetIdentHash ());
-		}
+			v((*it).ident);
 	}
 
 	void InboundTunnel::HandleTunnelDataMsg (std::shared_ptr<I2NPMessage>&& msg)
@@ -254,12 +250,6 @@ namespace tunnel
 		m_Endpoint.HandleDecryptedTunnelDataMsg (msg);
 	}
 
-	void InboundTunnel::Print (std::stringstream& s) const
-	{
-		PrintHops (s);
-		s << " &#8658; " << GetTunnelID () << ":me";
-	}
-
 	ZeroHopsInboundTunnel::ZeroHopsInboundTunnel ():
 		InboundTunnel (std::make_shared<ZeroHopsTunnelConfig> ()),
 		m_NumReceivedBytes (0)
@@ -276,11 +266,6 @@ namespace tunnel
 		}
 	}
 
-	void ZeroHopsInboundTunnel::Print (std::stringstream& s) const
-	{
-		s << " &#8658; " << GetTunnelID () << ":me";
-	}
-
 	void OutboundTunnel::SendTunnelDataMsg (const uint8_t * gwHash, uint32_t gwTunnel, std::shared_ptr<i2p::I2NPMessage> msg)
 	{
 		TunnelMessageBlock block;
@@ -315,13 +300,6 @@ namespace tunnel
 		LogPrint (eLogError, "Tunnel: Incoming message for outbound tunnel ", GetTunnelID ());
 	}
 
-	void OutboundTunnel::Print (std::stringstream& s) const
-	{
-		s << GetTunnelID () << ":me";
-		PrintHops (s);
-		s << " &#8658; ";
-	}
-
 	ZeroHopsOutboundTunnel::ZeroHopsOutboundTunnel ():
 		OutboundTunnel (std::make_shared<ZeroHopsTunnelConfig> ()),
 		m_NumSentBytes (0)
@@ -351,11 +329,6 @@ namespace tunnel
 		}
 	}
 
-	void ZeroHopsOutboundTunnel::Print (std::stringstream& s) const
-	{
-		s << GetTunnelID () << ":me &#8658; ";
-	}
-
 	Tunnels tunnels;
 
 	Tunnels::Tunnels (): m_IsRunning (false), m_Thread (nullptr),

libi2pd/Tunnel.h

@@ -44,6 +44,9 @@ namespace tunnel
 	const size_t I2NP_TUNNEL_MESSAGE_SIZE = TUNNEL_DATA_MSG_SIZE + I2NP_HEADER_SIZE + 34; // reserved for alignment and NTCP 16 + 6 + 12
 	const size_t I2NP_TUNNEL_ENPOINT_MESSAGE_SIZE = 2*TUNNEL_DATA_MSG_SIZE + I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE + 28; // reserved for alignment and NTCP 16 + 6 + 6
 
+	/** function for visiting a hops stored in a tunnel */
+	typedef std::function<void(std::shared_ptr<const i2p::data::IdentityEx>)> TunnelHopVisitor;
+
 	enum TunnelState
 	{
 		eTunnelStatePending,
@@ -91,8 +94,6 @@ namespace tunnel
 
 			bool HandleTunnelBuildResponse (uint8_t * msg, size_t len);
 
-			virtual void Print (std::stringstream&) const {};
-
 			// implements TunnelBase
 			void SendTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> msg);
 			void EncryptTunnelMsg (std::shared_ptr<const I2NPMessage> in, std::shared_ptr<I2NPMessage> out);
@@ -107,9 +108,8 @@ namespace tunnel
 			bool LatencyIsKnown() const { return m_Latency > 0; }
 			bool IsSlow () const { return LatencyIsKnown() && (int)m_Latency > HIGH_LATENCY_PER_HOP*GetNumHops (); }
 
-		protected:
-
-			void PrintHops (std::stringstream& s) const;
+			/** visit all hops we currently store */
+			void VisitTunnelHops(TunnelHopVisitor v);
 
 		private:
 
@@ -134,7 +134,6 @@ namespace tunnel
 			virtual void SendTunnelDataMsg (const std::vector<TunnelMessageBlock>& msgs); // multiple messages
 			const i2p::data::IdentHash& GetEndpointIdentHash () const { return m_EndpointIdentHash; };
 			virtual size_t GetNumSentBytes () const { return m_Gateway.GetNumSentBytes (); };
-			void Print (std::stringstream& s) const;
 
 			// implements TunnelBase
 			void HandleTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage>&& tunnelMsg);
@@ -155,7 +154,6 @@ namespace tunnel
 			InboundTunnel (std::shared_ptr<const TunnelConfig> config): Tunnel (config), m_Endpoint (true) {};
 			void HandleTunnelDataMsg (std::shared_ptr<I2NPMessage>&& msg);
 			virtual size_t GetNumReceivedBytes () const { return m_Endpoint.GetNumReceivedBytes (); };
-			void Print (std::stringstream& s) const;
 			bool IsInbound() const { return true; }
 
 			// override TunnelBase
@@ -172,7 +170,6 @@ namespace tunnel
 
 			ZeroHopsInboundTunnel ();
 			void SendTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> msg);
-			void Print (std::stringstream& s) const;
 			size_t GetNumReceivedBytes () const { return m_NumReceivedBytes; };
 
 		private:
@@ -186,7 +183,6 @@ namespace tunnel
 
 			ZeroHopsOutboundTunnel ();
 			void SendTunnelDataMsg (const std::vector<TunnelMessageBlock>& msgs);
-			void Print (std::stringstream& s) const;
 			size_t GetNumSentBytes () const { return m_NumSentBytes; };
 
 		private: