return the flood threshold config

Returns: - if the config has an interface, return that - OR find iface_index and return that - OR use default interface

get a `Network` configured for a given interface index. If the config doesn't specify an interface, use the IPs (local/global) of the receiving interf

gets options (which have been already merged with global opts) for the network of `iface_index` or the global options

if the elapsed time is less than the fraction of lease time configured return the lease time remaining

get all reservations for this network

get reservation based on mac & matched client classes

get the next IP between start and end, skipping any exclusions

find next available IP in the range and insert an entry for this id

get the interface for the message. this should always be set

are we bound to the default dhcpv4 port?

are we bound to the default dhcpv6 port?

Checks for `#[doc ...]`, which is generated by doc comments.

Whether the attribute is one like `#[<name> ...]`

test if `needle` is subdomain of `haystack`

TODO: replace with is_unicast_global from std when released

Create a new DhcpConfig for the server. Pass in the wire config format from json

do a DNS lookup, returning a URL ex. lookup("http", "foobar.internal", 67) -> "http://1.2.3.4:67"

Decrement the `state.live_msgs` counter and mark this as not live This gets done before passing the `MsgContext` to the postresponse plugins.

get the max IP in a given range

merge `b` into `a`, favoring `a` where there are duplicates

merge `b` into `a`, favoring `b` where there are duplicates

merge `b` into `a`, favoring `a` where there are duplicates

return hashmap of networks

find the next expired IP in the range, or where client_id matches, and update it with the new client_id & expiry & state NOTE: always sets probation =

return options configured for this network

Make new runtime config

Parse a duration string with optional time units Accepts: "3600", "3600s", "60m", "24h" If no unit is specified, assumes seconds

Calls [`parse_var`] but gives a default error message with the environment variable name in it [`parse_var`]: crate::parse_var

get the ping timeout

Add plugin to the preresolve list of handlers, specifying dependencies

determine the correct subnet of a DHCP message <https://www.rfc-editor.org/rfc/rfc3527.html> > In the event that a DHCP server receives a packet that

not cancel-safe

Given some `opts`, search to see if there is a match with a reservation client classes must also match

select all values in leases table and return them

clone the health sender channel

set the global unicast address associated with the interface the message was received on

Return the source address and port. This is initially set to the address that the UDP packet originates from, but can be overridden with `set_src_add

Kick off the HTTP service and start listening on all channels for changes

tries to determine the subnet for this MsgContext. calls `relay_subnet` first, and if there is no relay information, falls back on the IP of the inter

test if threshold has been met for a given id

tries to take an ip for an id that's set to expire at some future time. If `ping` is set, will send a ping to the IP, returning an error if in use Ret

updates an entry if the ip & id match or if the entry is expired and the ip matches

returns the first expired IP in a range, or where the id matches expires_at can refer to IPs under probation

updates an entry if the ip & id match and not expired

Returns: - interfaces matching the list supplied that are 'up' and have an IPv4 - OR any 'up' interfaces that also have an IPv4

Returns: - interfaces matching the list supplied that are 'up' and have an IPv6 - OR any 'up' interfaces that also have an IPv6