Add option to disable N2N (#1439)

to disable the node to node transport feature

Author: lelouch94

MyConfig.h

@@ -1111,6 +1111,12 @@
 #define MY_TRANSPORT_DISCOVERY_INTERVAL_MS (20*60*1000ul)
 #endif
 
+/**
+ *@def MY_TRANSPORT_N2N_FEATURE_DISABLED
+ *@brief If defined, disables the direct node to node transport send attempts
+ */
+//#define MY_TRANSPORT_N2N_FEATURE_DISABLED
+
 /**
  *@def MY_TRANSPORT_UPLINK_CHECK_DISABLED
  *@brief If defined, disables uplink check to GW during transport initialisation
@@ -2313,6 +2319,7 @@
 // transport
 #define MY_PARENT_NODE_IS_STATIC
 #define MY_REGISTRATION_CONTROLLER
+#define MY_TRANSPORT_N2N_FEATURE_DISABLED
 #define MY_TRANSPORT_UPLINK_CHECK_DISABLED
 #define MY_TRANSPORT_SANITY_CHECK
 #define MY_NODE_LOCK_FEATURE

core/MyTransport.cpp

@@ -545,6 +545,7 @@ bool transportRouteMessage(MyMessage &message)
 #endif
 		}
 #else
+#if !defined(MY_TRANSPORT_N2N_FEATURE_DISABLED)
 		if (destination > GATEWAY_ADDRESS && destination < BROADCAST_ADDRESS) {
 			// node2node traffic: assume node is in vincinity. If transmission fails, hand over to parent
 			if (transportSendWrite(destination, message)) {
@@ -553,6 +554,7 @@ bool transportRouteMessage(MyMessage &message)
 			}
 			TRANSPORT_DEBUG(PSTR("!TSF:RTE:N2N FAIL\n"));
 		}
+#endif
 		route = _transportConfig.parentNodeId;	// not a repeater, all traffic routed via parent
 #endif
 	}

keywords.txt

@@ -78,6 +78,7 @@ MY_TRANSPORT_TIMEOUT_EXT_FAILURE_STATE_MS	LITERAL1
 MY_TRANSPORT_TIMEOUT_FAILURE_STATE_MS	LITERAL1
 MY_TRANSPORT_UPLINK_CHECK_DISABLED	LITERAL1
 MY_TRANSPORT_WAIT_READY_MS	LITERAL1
+MY_TRANSPORT_N2N_FEATURE_DISABLED	LITERAL1
 
 # debug
 MY_DEBUG	LITERAL1