package mirage-nat

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in-package search v0.2.0

Module type `Mirage_nat.TABLE`Source

Sourcetype t

Sourcemodule TCP : SUBTABLE with type t := t and type transport_channel = port * port

A TCP channel is identified by the source and destination ports.

Sourcemodule UDP : SUBTABLE with type t := t and type transport_channel = port * port

A UDP channel is identified by the source and destination ports.

module ICMP : 
  SUBTABLE with type t := t and type transport_channel = Cstruct.uint16

An ICMP query is identified by the ICMP ID.

Sourceval reset : t -> unit

Remove all entries from the table.

Sourceval remove_connections : t -> Ipaddr.V4.t -> ports

Remove all connections from and to the given IP address.

val is_port_free : 
  t ->
  [ `Udp | `Tcp | `Icmp ] ->
  src:Ipaddr.V4.t ->
  dst:Ipaddr.V4.t ->
  src_port:int ->
  dst_port:int ->
  bool

is_port_free t protocol ~src ~dst ~src_port ~dst_port is true if it is not taken yet.