Class: Pio::Dhcp

Inherits:
Object
  • Object
show all
Defined in:
lib/pio/dhcp.rb,
lib/pio/dhcp.rb,
lib/pio/dhcp/ack.rb,
lib/pio/dhcp/frame.rb,
lib/pio/dhcp/offer.rb,
lib/pio/dhcp/message.rb,
lib/pio/dhcp/request.rb,
lib/pio/dhcp/discover.rb,
lib/pio/dhcp/client_id.rb,
lib/pio/dhcp/csum_util.rb,
lib/pio/dhcp/boot_reply.rb,
lib/pio/dhcp/dhcp_field.rb,
lib/pio/dhcp/field_util.rb,
lib/pio/dhcp/boot_request.rb,
lib/pio/dhcp/optional_tlv.rb,
lib/pio/dhcp/common_options.rb,
lib/pio/dhcp/parameter_list.rb,
lib/pio/dhcp/dhcp_tlv_options.rb,
lib/pio/dhcp/boot_reply_options.rb,
lib/pio/dhcp/boot_request_options.rb

Overview

Dhcp parser and generator.

Defined Under Namespace

Modules: CommonOptions, CsumUtil, DhcpTlvOptions, FieldUtil Classes: Ack, BootReply, BootReplyOptions, BootRequest, BootRequestOptions, ClientId, DhcpField, Discover, Frame, Message, Offer, OptionalTlv, ParameterList, Request

Constant Summary collapse

MESSAGE_TYPE_TLV = 
53
SERVER_IDENTIFIER_TLV = 
54
CLIENT_IDENTIFIER_TLV = 
61
RENEWAL_TIME_VALUE_TLV = 
58
REBINDING_TIME_VALUE_TLV = 
59
REQUESTED_IP_ADDRESS_TLV = 
50
PARAMETERS_LIST_TLV = 
55
IP_ADDRESS_LEASE_TIME_TLV = 
51
SUBNET_MASK_TLV = 
1
ROUTER_TLV = 
3
NTP_SERVERS_TLV = 
42
DNS_TLV = 
6
END_OF_TLV = 
255
PARAMETER_REQUEST_LIST = 
[
  SUBNET_MASK_TLV,
  ROUTER_TLV,
  DNS_TLV,
  NTP_SERVERS_TLV
]
MESSAGE_TYPE = 
{
  Discover::TYPE => Discover,
  Offer::TYPE => Offer,
  Request::TYPE => Request,
  Ack::TYPE => Ack
}

Class Method Summary collapse

Class Method Details

.read(raw_data) ⇒ Object 



48
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51
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53
54
55
56
 
# File 'lib/pio/dhcp.rb', line 48

def self.read(raw_data)
  begin
    frame = const_get('Frame').read(raw_data)
  rescue
    raise Pio::ParseError, $ERROR_INFO.message
  end

  const_get('MESSAGE_TYPE')[frame.message_type].create_from(frame)
end