send triggered updates when any! entry in the table is created, updated, or deleted

3 files changed, 11 insertions, 0 deletions

diff --git a/pkg/ipstack/ipstack.go b/pkg/ipstack/ipstack.go
index c8a4fe8..4556f0f 100644
--- a/pkg/ipstack/ipstack.go
+++ b/pkg/ipstack/ipstack.go
@@ -843,6 +843,7 @@ func handleRIP(src *Interface, dest *Neighbor, message []byte, hdr *ipv4header.I
 			destination := entry.prefix.Masked()
 			// fmt.Println(prefix.String())
 
+			triggeredEntries := make([]RIPEntry, 0)
 			// check if the entry is already in the routing table and update if need be
 			if hop, ok := routingTable[destination]; ok {
 				// if the hop is the same as the incoming neighbor,
@@ -853,8 +854,10 @@ func handleRIP(src *Interface, dest *Neighbor, message []byte, hdr *ipv4header.I
 					if entry.cost == INFINITY {
 						// if we receive infinity from the same neighbor, then delete the route
 						delete(routingTable, destination)
+						triggeredEntries = append(triggeredEntries, RIPEntry{destination, INFINITY})
 					} else {
 						routingTable[destination] = Hop{entry.cost + 1, "R", src, hdr.Src}
+						triggeredEntries = append(triggeredEntries, RIPEntry{destination, entry.cost + 1})
 					}
 				}
 
@@ -863,8 +866,10 @@ func handleRIP(src *Interface, dest *Neighbor, message []byte, hdr *ipv4header.I
 				if entry.cost < hop.Cost {
 					if entry.cost == INFINITY {
 						routingTable[destination] = Hop{entry.cost, "R", src, hdr.Src}
+						triggeredEntries = append(triggeredEntries, RIPEntry{destination, entry.cost})
 					} else {
 						routingTable[destination] = Hop{entry.cost + 1, "R", src, hdr.Src}
+						triggeredEntries = append(triggeredEntries, RIPEntry{destination, entry.cost + 1})
 					}
 				}
 
@@ -883,7 +888,13 @@ func handleRIP(src *Interface, dest *Neighbor, message []byte, hdr *ipv4header.I
 			//	routingTable[destination] = Hop{0, "R", src, hdr.Src}
 			//} else {
 			routingTable[destination] = Hop{entry.cost + 1, "R", src, hdr.Src}
+			triggeredEntries = append(triggeredEntries, RIPEntry{destination, entry.cost + 1})
 			// }
+
+			// send out triggered updates
+			if len(triggeredEntries) > 0 {
+				sendTriggeredUpdates(triggeredEntries)
+			}
 		}
 	}
 
diff --git a/vhost b/vhost
index 88948dc..66761c1 100755
--- a/vhost
+++ b/vhost
diff --git a/vrouter b/vrouter
index 45624ed..e62754d 100755
--- a/vrouter
+++ b/vrouter