AdGuardHome/internal/dhcpsvc/config.go

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package dhcpsvc
import (
"net/netip"
"time"
"github.com/google/gopacket/layers"
)
// Config is the configuration for the DHCP service.
type Config struct {
// Interfaces stores configurations of DHCP server specific for the network
// interface identified by its name.
Interfaces map[string]*InterfaceConfig
// LocalDomainName is the top-level domain name to use for resolving DHCP
// clients' hostnames.
LocalDomainName string
// ICMPTimeout is the timeout for checking another DHCP server's presence.
ICMPTimeout time.Duration
// Enabled is the state of the service, whether it is enabled or not.
Enabled bool
}
// InterfaceConfig is the configuration of a single DHCP interface.
type InterfaceConfig struct {
// IPv4 is the configuration of DHCP protocol for IPv4.
IPv4 *IPv4Config
// IPv6 is the configuration of DHCP protocol for IPv6.
IPv6 *IPv6Config
}
// IPv4Config is the interface-specific configuration for DHCPv4.
type IPv4Config struct {
// GatewayIP is the IPv4 address of the network's gateway. It is used as
// the default gateway for DHCP clients and also used in calculating the
// network-specific broadcast address.
GatewayIP netip.Addr
// SubnetMask is the IPv4 subnet mask of the network. It should be a valid
// IPv4 subnet mask (i.e. all 1s followed by all 0s).
SubnetMask netip.Addr
// RangeStart is the first address in the range to assign to DHCP clients.
RangeStart netip.Addr
// RangeEnd is the last address in the range to assign to DHCP clients.
RangeEnd netip.Addr
// Options is the list of DHCP options to send to DHCP clients.
Options layers.DHCPOptions
// LeaseDuration is the TTL of a DHCP lease.
LeaseDuration time.Duration
// Enabled is the state of the DHCPv4 service, whether it is enabled or not
// on the specific interface.
Enabled bool
}
// IPv6Config is the interface-specific configuration for DHCPv6.
type IPv6Config struct {
// RangeStart is the first address in the range to assign to DHCP clients.
RangeStart netip.Addr
// Options is the list of DHCP options to send to DHCP clients.
Options layers.DHCPOptions
// LeaseDuration is the TTL of a DHCP lease.
LeaseDuration time.Duration
// RASlaacOnly defines whether the DHCP clients should only use SLAAC for
// address assignment.
RASLAACOnly bool
// RAAllowSlaac defines whether the DHCP clients may use SLAAC for address
// assignment.
RAAllowSLAAC bool
// Enabled is the state of the DHCPv6 service, whether it is enabled or not
// on the specific interface.
Enabled bool
}