File: constants.go

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golang-github-d2g-dhcp4 0.0~git20150413-2
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package dhcp4

// OpCodes
const (
	BootRequest OpCode = 1 // From Client
	BootReply   OpCode = 2 // From Server
)

// DHCP Message Type 53
const (
	Discover MessageType = 1 // Broadcast Packet From Client - Can I have an IP?
	Offer    MessageType = 2 // Broadcast From Server - Here's an IP
	Request  MessageType = 3 // Broadcast From Client - I'll take that IP (Also start for renewals)
	Decline  MessageType = 4 // Broadcast From Client - Sorry I can't use that IP
	ACK      MessageType = 5 // From Server, Yes you can have that IP
	NAK      MessageType = 6 // From Server, No you cannot have that IP
	Release  MessageType = 7 // From Client, I don't need that IP anymore
	Inform   MessageType = 8 // From Client, I have this IP and there's nothing you can do about it
)

// DHCP Options
const (
	End                          OptionCode = 255
	Pad                          OptionCode = 0
	OptionSubnetMask             OptionCode = 1
	OptionTimeOffset             OptionCode = 2
	OptionRouter                 OptionCode = 3
	OptionTimeServer             OptionCode = 4
	OptionNameServer             OptionCode = 5
	OptionDomainNameServer       OptionCode = 6
	OptionLogServer              OptionCode = 7
	OptionCookieServer           OptionCode = 8
	OptionLPRServer              OptionCode = 9
	OptionImpressServer          OptionCode = 10
	OptionResourceLocationServer OptionCode = 11
	OptionHostName               OptionCode = 12
	OptionBootFileSize           OptionCode = 13
	OptionMeritDumpFile          OptionCode = 14
	OptionDomainName             OptionCode = 15
	OptionSwapServer             OptionCode = 16
	OptionRootPath               OptionCode = 17
	OptionExtensionsPath         OptionCode = 18

	// IP Layer Parameters per Host
	OptionIPForwardingEnableDisable          OptionCode = 19
	OptionNonLocalSourceRoutingEnableDisable OptionCode = 20
	OptionPolicyFilter                       OptionCode = 21
	OptionMaximumDatagramReassemblySize      OptionCode = 22
	OptionDefaultIPTimeToLive                OptionCode = 23
	OptionPathMTUAgingTimeout                OptionCode = 24
	OptionPathMTUPlateauTable                OptionCode = 25

	// IP Layer Parameters per Interface
	OptionInterfaceMTU              OptionCode = 26
	OptionAllSubnetsAreLocal        OptionCode = 27
	OptionBroadcastAddress          OptionCode = 28
	OptionPerformMaskDiscovery      OptionCode = 29
	OptionMaskSupplier              OptionCode = 30
	OptionPerformRouterDiscovery    OptionCode = 31
	OptionRouterSolicitationAddress OptionCode = 32
	OptionStaticRoute               OptionCode = 33

	// Link Layer Parameters per Interface
	OptionTrailerEncapsulation  OptionCode = 34
	OptionARPCacheTimeout       OptionCode = 35
	OptionEthernetEncapsulation OptionCode = 36

	// TCP Parameters
	OptionTCPDefaultTTL        OptionCode = 37
	OptionTCPKeepaliveInterval OptionCode = 38
	OptionTCPKeepaliveGarbage  OptionCode = 39

	// Application and Service Parameters
	OptionNetworkInformationServiceDomain            OptionCode = 40
	OptionNetworkInformationServers                  OptionCode = 41
	OptionNetworkTimeProtocolServers                 OptionCode = 42
	OptionVendorSpecificInformation                  OptionCode = 43
	OptionNetBIOSOverTCPIPNameServer                 OptionCode = 44
	OptionNetBIOSOverTCPIPDatagramDistributionServer OptionCode = 45
	OptionNetBIOSOverTCPIPNodeType                   OptionCode = 46
	OptionNetBIOSOverTCPIPScope                      OptionCode = 47
	OptionXWindowSystemFontServer                    OptionCode = 48
	OptionXWindowSystemDisplayManager                OptionCode = 49
	OptionNetworkInformationServicePlusDomain        OptionCode = 64
	OptionNetworkInformationServicePlusServers       OptionCode = 65
	OptionMobileIPHomeAgent                          OptionCode = 68
	OptionSimpleMailTransportProtocol                OptionCode = 69
	OptionPostOfficeProtocolServer                   OptionCode = 70
	OptionNetworkNewsTransportProtocol               OptionCode = 71
	OptionDefaultWorldWideWebServer                  OptionCode = 72
	OptionDefaultFingerServer                        OptionCode = 73
	OptionDefaultInternetRelayChatServer             OptionCode = 74
	OptionStreetTalkServer                           OptionCode = 75
	OptionStreetTalkDirectoryAssistance              OptionCode = 76

	// DHCP Extensions
	OptionRequestedIPAddress     OptionCode = 50
	OptionIPAddressLeaseTime     OptionCode = 51
	OptionOverload               OptionCode = 52
	OptionDHCPMessageType        OptionCode = 53
	OptionServerIdentifier       OptionCode = 54
	OptionParameterRequestList   OptionCode = 55
	OptionMessage                OptionCode = 56
	OptionMaximumDHCPMessageSize OptionCode = 57
	OptionRenewalTimeValue       OptionCode = 58
	OptionRebindingTimeValue     OptionCode = 59
	OptionVendorClassIdentifier  OptionCode = 60
	OptionClientIdentifier       OptionCode = 61

	OptionTFTPServerName OptionCode = 66
	OptionBootFileName   OptionCode = 67

	OptionUserClass OptionCode = 77

	OptionClientArchitecture OptionCode = 93

	OptionTZPOSIXString    OptionCode = 100
	OptionTZDatabaseString OptionCode = 101

	OptionClasslessRouteFormat OptionCode = 121
)