* update --bandwidth option handling

Config.cpp

@@ -123,7 +123,7 @@ namespace config {
       ("service",   value<bool>()->zero_tokens()->default_value(false), "Router will use system folders like '/var/lib/i2pd'")
       ("notransit", value<bool>()->zero_tokens()->default_value(false), "Router will not accept transit tunnels at startup")
       ("floodfill", value<bool>()->zero_tokens()->default_value(false), "Router will be floodfill")
-      ("bandwidth", value<char>()->default_value('-'), "Bandwidth limiting: L - 32kbps, O - 256Kbps, P - unlimited")
+      ("bandwidth", value<std::string>()->default_value("256"), "Bandwidth limit: integer in kbps or letters: L (32), O (256), P (2048), X (>9000)")
 #ifdef _WIN32
       ("svcctl",    value<std::string>()->default_value(""),     "Windows service management ('install' or 'remove')")
       ("insomnia", value<bool>()->zero_tokens()->default_value(false), "Prevent system from sleeping")

Daemon.cpp

@@ -142,34 +142,21 @@ namespace i2p
 			i2p::context.SetAcceptsTunnels (!transit);
 
 			bool isFloodfill; i2p::config::GetOption("floodfill", isFloodfill);
-			char bandwidth;   i2p::config::GetOption("bandwidth", bandwidth);
-
-			if (isFloodfill) 
-			{
+			if (isFloodfill) {
 				LogPrint(eLogInfo, "Daemon: router will be floodfill");
 				i2p::context.SetFloodfill (true);
-			}	
-			else
+			}	else {
 				i2p::context.SetFloodfill (false);
-			if (bandwidth != '-')
-			{
-				LogPrint(eLogInfo, "Daemon: bandwidth set to ", bandwidth);
-				if (bandwidth > 'O') 
-					i2p::context.SetExtraBandwidth (); 
-				else if (bandwidth > 'L')
-					i2p::context.SetHighBandwidth (); 
-				else 
-					i2p::context.SetLowBandwidth ();
-			}
-			else if (isFloodfill) 
-			{
-				LogPrint(eLogInfo, "Daemon: floodfill bandwidth set to 'extra'");
-				i2p::context.SetExtraBandwidth ();
 			}
-			else
-			{
-				LogPrint(eLogInfo, "Daemon: bandwidth set to 'low'");
-				i2p::context.SetLowBandwidth ();
+
+			/* this section also honors 'floodfill' flag, if set above */
+			std::string bandwidth; i2p::config::GetOption("bandwidth", bandwidth);
+			if (bandwidth[0] > 'K' && bandwidth[0] < 'Z') {
+				i2p::context.SetBandwidth (bandwidth[0]);
+				LogPrint(eLogInfo, "Daemon: bandwidth set to ", i2p::context.GetBandwidthLimit (), "KBps");
+			} else if (bandwidth[0] >= '0' && bandwidth[0] <= '9') {
+				i2p::context.SetBandwidth (std::atoi(bandwidth.c_str()));
+				LogPrint(eLogInfo, "Daemon: bandwidth set to ", i2p::context.GetBandwidthLimit (), " KBps");
 			}
 
 			std::string family; i2p::config::GetOption("family", family);