Class: GRI::FakeSNMP

Inherits:
Object show all
Defined in:
lib/gri/fake_snmp.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ FakeSNMP

Returns a new instance of FakeSNMP.



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# File 'lib/gri/fake_snmp.rb', line 10

def initialize path
  lines = File.readlines path
  @lines = []
  lines.each {|line|
    oid, value = line.split ' = '
    value = vconv value
    enoid = BER.enc_v_oid oid[1..-1]
    @lines.push [enoid, value] if value
  }

  @sock = FakeSock.new

  @roids = SNMP::ROIDS
  @state = :IDLE
end

Instance Attribute Details

#state ⇒ Object (readonly)

Returns the value of attribute state.



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# File 'lib/gri/fake_snmp.rb', line 7

def state
  @state
end

#version ⇒ Object

Returns the value of attribute version.



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# File 'lib/gri/fake_snmp.rb', line 8

def version
  @version
end

Instance Method Details

#get_start(msg, &cb) ⇒ Object 



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# File 'lib/gri/fake_snmp.rb', line 41

def get_start msg, &cb
  @cb = cb
  @state = :GET_REQ
  @get_buf = []
  tag, msg, = BER.tlv msg
  while msg.size > 0
    tag, val, msg = BER.tlv msg
    if val.getbyte(0) == 6
      len = val.getbyte(1)
      enoid = val[2, len]
      if (value = get_value(enoid))
        @get_buf.push [enoid, value[0], value[1]]
      end
    end
  end
end

#get_value(enoid) ⇒ Object 



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# File 'lib/gri/fake_snmp.rb', line 26

def get_value enoid
  (res = @lines.assoc enoid) ? res[1] : nil
end

#make_req(state, arg) ⇒ Object 



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# File 'lib/gri/fake_snmp.rb', line 70

def make_req state, arg
  nil
end

#recv_msg(msg) ⇒ Object 



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# File 'lib/gri/fake_snmp.rb', line 32

def recv_msg msg
  for arg in @get_buf
    @cb.call *arg
  end
  @get_buf.clear
  @state = :SUCCESS
  nil
end

#sock ⇒ Object 



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# File 'lib/gri/fake_snmp.rb', line 30

def sock; @sock; end

#vconv(str) ⇒ Object 



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# File 'lib/gri/fake_snmp.rb', line 74

def vconv str
  case str
  when /^INTEGER: (?:\w+\()?([-\d]+)/
    [0x02, $1.to_i]
  when /^STRING: "(.*)/
    [0x04, $1[0..-2]]
  when /^STRING: ([^"].*)/
    [0x04, $1]
  when /^OID: \.(1.*)/
    enoid = BER.enc_v_oid $1
    [0x06, enoid]
  when /^Counter(?:32)?: (\d+)/
    [0x41, $1.to_i]
  when /^Gauge(?:\d+): ([-\d]+)/
    [0x42, $1.to_i]
  when /^Counter64: (\d+)/
    [0x46, $1.to_i]
  when /^IpAddress: ([\.\d]+)/
    [0x40, $1]
  else
    nil
  end
end

#walk_start(enoid, &cb) ⇒ Object 



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# File 'lib/gri/fake_snmp.rb', line 58

def walk_start enoid, &cb
  @cb = cb
  @state = :GETBULK_REQ

  @get_buf = []
  for k, v in @lines
    if k.index(enoid) == 0
      @get_buf.push [k, v[0], v[1]]
    end
  end
end