show error message in the web-console

HTTPServer.cpp

@@ -180,7 +180,18 @@ namespace http {
 			case eRouterStatusOK: s << "OK"; break;
 			case eRouterStatusTesting: s << "Testing"; break;
 			case eRouterStatusFirewalled: s << "Firewalled"; break; 
-			case eRouterStatusError: s << "Error"; break;
+			case eRouterStatusError: 
+			{	
+				s << "Error"; 
+				switch (i2p::context.GetError ())
+				{
+					case eRouterErrorClockSkew:
+						s << "<br>Clock skew"; 
+					break;
+					default: ;	
+				}	
+				break;
+			}	
 			default: s << "Unknown";
 		} 
 		s << "<br>\r\n";

RouterContext.cpp

@@ -18,7 +18,7 @@ namespace i2p
 
 	RouterContext::RouterContext ():
 		m_LastUpdateTime (0), m_AcceptsTunnels (true), m_IsFloodfill (false), 
-		m_StartupTime (0), m_Status (eRouterStatusOK )
+		m_StartupTime (0), m_Status (eRouterStatusOK), m_Error (eRouterErrorNone)
 	{
 	}
 
@@ -95,6 +95,7 @@ namespace i2p
 		if (status != m_Status)
 		{	
 			m_Status = status;
+			m_Error = eRouterErrorNone;
 			switch (m_Status)
 			{	
 				case eRouterStatusOK:

RouterContext.h

@@ -24,6 +24,12 @@ namespace i2p
 		eRouterStatusError = 3 
 	};	
 
+	enum RouterError
+	{
+		eRouterErrorNone = 0,
+		eRouterErrorClockSkew = 1
+	};	
+	
 	class RouterContext: public i2p::garlic::GarlicDestination 
 	{
 		public:
@@ -50,6 +56,8 @@ namespace i2p
 			uint64_t GetBandwidthLimit () const { return m_BandwidthLimit; };
 			RouterStatus GetStatus () const { return m_Status; };
 			void SetStatus (RouterStatus status);
+			RouterError GetError () const { return m_Error; };
+			void SetError (RouterError error) { m_Status = eRouterStatusError; m_Error = error; };
 			
 			void UpdatePort (int port); // called from Daemon
 			void UpdateAddress (const boost::asio::ip::address& host);	// called from SSU or Daemon
@@ -108,6 +116,7 @@ namespace i2p
 			uint64_t m_StartupTime; // in seconds since epoch
 			uint32_t m_BandwidthLimit; // allowed bandwidth
 			RouterStatus m_Status;
+			RouterError m_Error;
 			std::mutex m_GarlicMutex;
 	};
 

SSUSession.cpp

@@ -279,7 +279,7 @@ namespace transport
 			if (signedOnTime < ts - SSU_CLOCK_SKEW || signedOnTime > ts + SSU_CLOCK_SKEW)
 			{
 				LogPrint (eLogError, "SSU: clock skew detected ", (int)ts - signedOnTime, ". Check your clock"); 
-				i2p::context.SetStatus (eRouterStatusError);
+				i2p::context.SetError (eRouterErrorClockSkew);
 			}
 		}	
 		payload += 4; // signed on time