class SNMP4EM::NotificationManager
Provides access to receive SNMP
traps (SNMPv1) and notifications (SNMPv2)
Attributes
community_ro[R]
community_rw[R]
host[R]
port[R]
retries[R]
timeout[R]
version[R]
Public Class Methods
new(args = {})
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Creates a new object to communicate with SNMP
agents. Optionally pass in the following parameters:
-
host - IP/hostname of local interface on which to listen (default: 127.0.0.1)
-
port - UDP port on which to listen (default: 162)
# File lib/snmp4em/notification_manager.rb 9 def initialize(args = {}) 10 @host = args[:host] || "127.0.0.1" 11 @port = args[:port] || 162 12 13 @socket = EM::open_datagram_socket(@host, @port, NotificationHandler) 14 end
Public Instance Methods
on_trap(&block)
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Register a callback that is upon reception of a trap/notification. Multiple callbacks can be registered. Each will be passed the trap/notification object. It is important to determine whether it is a SNMP::SNMPv1_Trap or SNMP::SNMPv2_Trap, as each behaves slightly differently.
# File lib/snmp4em/notification_manager.rb 19 def on_trap &block 20 @socket.callbacks << block 21 end