twistedsnmp.snmpprotocol.SNMPProtocol

Package twistedsnmp :: Module snmpprotocol :: Class SNMPProtocol

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Class SNMPProtocol

AbstractDatagramProtocol --+    
                           |    
            DatagramProtocol --+
                               |
                              SNMPProtocol

Known Subclasses:: ZenTrap

Base class for SNMP datagram protocol

attributes:
        requests -- dictionary holding request-key: df,timer
                where request-keys are calculated by our getRequestKey
                method, df is the defer for callbacks to the request,
                and timer is the timeout timer for the request.

Method Summary
	`__init__(self, port)` Initialize the SNMPProtocol object
	`datagramReceived(self, datagram, address)` Process a newly received datagram
	`decode(self, message)` Decode a datagram message
	`getRequestKey(self, request, target)` Get the request key from a request/response
	`handleTrap(self, request, address)` Handle a trap message from an agent
	`send(self, request, target)` Send a request (string) to the network
Inherited from `DatagramProtocol`: `connectionRefused` Inherited from `AbstractDatagramProtocol`: `__getstate__`, `doStart`, `doStop`, `makeConnection`, `startProtocol`, `stopProtocol`

Class Variable Summary
Inherited from `AbstractDatagramProtocol`: `noisy`, `numPorts`, `transport`

Method Details

init(self, port=20000)
(Constructor)

Initialize the SNMPProtocol object

port -- port on which we are listening...

datagramReceived(self, datagram, address)

Process a newly received datagram

Converts the message to a pysnmp response object, then dispatches it to the appropriate callback based on the message ID as determined by self.getRequestKey( response, address ).

Passes on the response object itself to the callback, as the response object is needed for table download and the like.

Overrides:: twisted.internet.protocol.AbstractDatagramProtocol.datagramReceived

decode(self, message)

Decode a datagram message

getRequestKey(self, request, target)

Get the request key from a request/response

handleTrap(self, request, address)

Handle a trap message from an agent

send(self, request, target)

Send a request (string) to the network

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