log parameter interactions to debug.log

src/init.cpp

@@ -415,34 +415,42 @@ bool AppInit2(boost::thread_group& threadGroup)
     if (mapArgs.count("-bind")) {
         // when specifying an explicit binding address, you want to listen on it
         // even when -connect or -proxy is specified
-        SoftSetBoolArg("-listen", true);
+        if (SoftSetBoolArg("-listen", true))
+            LogPrintf("AppInit2 : parameter interaction: -bind set -> setting -listen=1\n");
     }
 
     if (mapArgs.count("-connect") && mapMultiArgs["-connect"].size() > 0) {
         // when only connecting to trusted nodes, do not seed via DNS, or listen by default
-        SoftSetBoolArg("-dnsseed", false);
-        SoftSetBoolArg("-listen", false);
+        if (SoftSetBoolArg("-dnsseed", false))
+            LogPrintf("AppInit2 : parameter interaction: -connect set -> setting -dnsseed=0\n");
+        if (SoftSetBoolArg("-listen", false))
+            LogPrintf("AppInit2 : parameter interaction: -connect set -> setting -listen=0\n");
     }
 
     if (mapArgs.count("-proxy")) {
-        // to protect privacy, do not listen by default if a proxy server is specified
-        SoftSetBoolArg("-listen", false);
+        // to protect privacy, do not listen by default if a default proxy server is specified
+        if (SoftSetBoolArg("-listen", false))
+            LogPrintf("AppInit2 : parameter interaction: -proxy set -> setting -listen=0\n");
     }
 
     if (!GetBoolArg("-listen", true)) {
         // do not map ports or try to retrieve public IP when not listening (pointless)
-        SoftSetBoolArg("-upnp", false);
-        SoftSetBoolArg("-discover", false);
+        if (SoftSetBoolArg("-upnp", false))
+            LogPrintf("AppInit2 : parameter interaction: -listen=0 -> setting -upnp=0\n");
+        if (SoftSetBoolArg("-discover", false))
+            LogPrintf("AppInit2 : parameter interaction: -listen=0 -> setting -discover=0\n");
     }
 
     if (mapArgs.count("-externalip")) {
         // if an explicit public IP is specified, do not try to find others
-        SoftSetBoolArg("-discover", false);
+        if (SoftSetBoolArg("-discover", false))
+            LogPrintf("AppInit2 : parameter interaction: -externalip set -> setting -discover=0\n");
     }
 
     if (GetBoolArg("-salvagewallet", false)) {
         // Rewrite just private keys: rescan to find transactions
-        SoftSetBoolArg("-rescan", true);
+        if (SoftSetBoolArg("-rescan", true))
+            LogPrintf("AppInit2 : parameter interaction: -salvagewallet=1 -> setting -rescan=1\n");
     }
 
     // Make sure enough file descriptors are available