torcontrol: only output disconnect if -debug=tor

src/init.cpp

@@ -427,7 +427,7 @@ std::string HelpMessage(HelpMessageMode mode)
         strUsage += HelpMessageOpt("-stopafterblockimport", strprintf("Stop running after importing blocks from disk (default: %u)", 0));
     }
     string debugCategories = "addrman, alert, bench, coindb, db, estimatefee, http, libevent, lock, mempool, net, partitioncheck, pow, proxy, prune, "
-                             "rand, reindex, rpc, selectcoins, zmq, zrpc, zrpcunsafe (implies zrpc)"; // Don't translate these
+                             "rand, reindex, rpc, selectcoins, tor, zmq, zrpc, zrpcunsafe (implies zrpc)"; // Don't translate these
     strUsage += HelpMessageOpt("-debug=<category>", strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + ". " +
         _("If <category> is not supplied or if <category> = 1, output all debugging information.") + " " + _("<category> can be:") + " " + debugCategories + ".");
     strUsage += HelpMessageOpt("-experimentalfeatures", _("Enable use of experimental features"));

src/torcontrol.cpp

@@ -617,7 +617,9 @@ void TorController::disconnected_cb(TorControlConnection& conn)
     service = CService();
     if (!reconnect)
         return;
-    LogPrintf("tor: Disconnected from Tor control port %s, trying to reconnect\n", target);
+
+    LogPrint("tor", "tor: Disconnected from Tor control port %s, trying to reconnect\n", target);
+
     // Single-shot timer for reconnect. Use exponential backoff.
     struct timeval time = MillisToTimeval(int64_t(reconnect_timeout * 1000.0));
     reconnect_ev = event_new(base, -1, 0, reconnect_cb, this);