Method: NETSNMP::Client#walk

Defined in:
lib/netsnmp/client.rb

#walk(oid:) ⇒ Enumerator

Perform a SNMP Walk (issues multiple subsequent GENEXT requests within the subtree rooted on an OID)

Parameters:

  • oid (String) —

    the root oid from the subtree

Returns:

  • (Enumerator) —

    the enumerator-collection of the oid-value pairs



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# File 'lib/netsnmp/client.rb', line 81

def walk(oid:)
  walkoid = OID.build(oid)
  Enumerator.new do |y|
    code = walkoid
    first_response_code = nil
    catch(:walk) do
      loop do
        get_next(oid: code) do |response|
          response.varbinds.each do |varbind|
            code = varbind.oid
            if !OID.parent?(walkoid, code) ||
               varbind.value.eql?(:endofmibview) ||
               (code == first_response_code)
              throw(:walk)
            else
              y << [code, varbind.value]
            end
            first_response_code ||= code
          end
        end
      end
    end
  end
end