Documentation
¶
Index ¶
Constants ¶
const MinPackSize = 5*4 + 2*4 + 13*4 // minimal DHCPv4 header size
This is the aprox. minimal size of a DHCP packet
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type ClientInfoV4 ¶
type ClientInfoV4 struct {
IPAddr net.IP
IPMask net.IPMask
NextServer net.IP
BootFileName string
Timeouts struct {
Reservation time.Duration
Lease time.Duration
T1RenewalTime time.Duration
T2RebindingTime time.Duration
}
Options struct {
HostName string
DomainName string
Routers []net.IP
DomainNameServers []net.IP
NTPServers []net.IP
}
}
type DHCPV4Conn ¶
type DHCPV4Conn struct {
// contains filtered or unexported fields
}
func ListenDHCPv4 ¶
func (*DHCPV4Conn) Close ¶
func (c *DHCPV4Conn) Close() error
func (*DHCPV4Conn) ReadFrom ¶
func (c *DHCPV4Conn) ReadFrom() (dhcpv4.DHCPv4, net.IP, net.HardwareAddr, error)
ReadFrom returns the parsed packet, source IP, source MAC, error
func (*DHCPV4Conn) WriteTo ¶
func (c *DHCPV4Conn) WriteTo(pack dhcpv4.DHCPv4, dstIP net.IP, dstMAC net.HardwareAddr) error
type OptRebindingTime ¶
type OptRebindingTime struct {
RebindingTime uint32
}
OptRebindingTime represents the Rebinding (T1) Time Value option.
func ParseOptRebindingTime ¶
func ParseOptRebindingTime(data []byte) (*OptRebindingTime, error)
ParseOptRebindingTime constructs an OptRebindingTime struct from a sequence of bytes and returns it, or an error.
func (*OptRebindingTime) Code ¶
func (o *OptRebindingTime) Code() dhcpv4.OptionCode
Code returns the option code.
func (*OptRebindingTime) Length ¶
func (o *OptRebindingTime) Length() int
Length returns the length of the data portion (excluding option code and byte for length, if any).
func (*OptRebindingTime) String ¶
func (o *OptRebindingTime) String() string
String returns a human-readable string for this option.
func (*OptRebindingTime) ToBytes ¶
func (o *OptRebindingTime) ToBytes() []byte
ToBytes returns a serialized stream of bytes for this option.
type OptRenewalTime ¶
type OptRenewalTime struct {
RenewalTime uint32
}
OptRenewalTime represents the Renewal (T1) Time Value option.
func ParseOptRenewalTime ¶
func ParseOptRenewalTime(data []byte) (*OptRenewalTime, error)
ParseOptRenewalTime constructs an OptRenewalTime struct from a sequence of bytes and returns it, or an error.
func (*OptRenewalTime) Code ¶
func (o *OptRenewalTime) Code() dhcpv4.OptionCode
Code returns the option code.
func (*OptRenewalTime) Length ¶
func (o *OptRenewalTime) Length() int
Length returns the length of the data portion (excluding option code and byte for length, if any).
func (*OptRenewalTime) String ¶
func (o *OptRenewalTime) String() string
String returns a human-readable string for this option.
func (*OptRenewalTime) ToBytes ¶
func (o *OptRenewalTime) ToBytes() []byte
ToBytes returns a serialized stream of bytes for this option.
Source Files