try fixing timeout bug after 6 or so hours

llarp/router/abstractrouter.hpp

@@ -99,6 +99,10 @@ namespace llarp
     virtual void
     OnConnectTimeout(ILinkSession *session) = 0;
 
+    /// connect to N random routers
+    virtual void
+    ConnectToRandomRouters(int N) = 0;
+
     /// called by link when a remote session has no more sessions open
     virtual void
     SessionClosed(RouterID remote) = 0;

llarp/router/router.cpp

@@ -1084,15 +1084,18 @@ namespace llarp
         LogError("we have no bootstrap nodes specified");
     }
 
-    if(inboundLinks.size() == 0)
+    if(!IsServiceNode())
     {
+      size_t connected = NumberOfConnectedRouters();
+      if(connected < minConnectedRouters)
+      {
+        size_t dlt = connected - minConnectedRouters;
+        LogInfo("connecting to ", dlt, " random routers to keep alive");
+        ConnectToRandomRouters(dlt);
+      }
       paths.BuildPaths(now);
       hiddenServiceContext.Tick(now);
     }
-    if(NumberOfConnectedRouters() < minConnectedRouters)
-    {
-      ConnectToRandomRouters(minConnectedRouters);
-    }
     _exitContext.Tick(now);
     if(rpcCaller)
       rpcCaller->Tick(now);

llarp/router/router.hpp

@@ -478,7 +478,7 @@ namespace llarp
                               const PathID_t &rxid) override;
 
     void
-    ConnectToRandomRouters(int N);
+    ConnectToRandomRouters(int N) override;
 
     size_t
     NumberOfConnectedRouters() const override;