hook in the if-mib handler, add a bit of minimal processing code

handlers/snmp-trap-handler/if-mib-handler.rb

@@ -0,0 +1,19 @@
+#
+# 2011-10-21 -- jontow@zenbsd.net
+#
+# Parsing and handling for IF-MIB related SNMP traps
+#
+
+module IFMIB
+	def self.linkdown(evinfo)
+		if evinfo =~ /IF-MIB::ifName\.[0-9]+\ ::\ (.*)/
+			return "linkDown: #{$1}"
+		end
+	end
+
+	def self.linkup(evinfo)
+		if evinfo =~ /IF-MIB::ifName\.[0-9]+\ ::\ (.*)/
+			return "linkUp: #{$1}"
+		end
+	end
+end

handlers/snmp-trap-handler/snmp-trap-handler.rb

@@ -12,5 +12,16 @@ class SNMPTrapHandler
 	def initialize(event)
 		puts "TRAP -- #{event['name']}:"
 		puts event['info']
+
+		case event['name']
+		when "IF-MIB::linkDown"
+			alarm = IFMIB.linkdown(event['info'])
+			p alarm
+		when "IF-MIB::linkUp"
+			alarm = IFMIB.linkup(event['info'])
+			p alarm
+		else
+			puts "Unhandled IF-MIB trap: #{event['name']}"
+		end
 	end
 end