package mirage-nat

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in-package search v0.2.0

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type t

module TCP : 
  Mirage_nat.SUBTABLE
    with type t := t
     and type transport_channel = Mirage_nat.port * Mirage_nat.port

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

module UDP : 
  Mirage_nat.SUBTABLE
    with type t := t
     and type transport_channel = Mirage_nat.port * Mirage_nat.port

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

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

An ICMP query is identified by the ICMP ID.

val reset : t -> unit

Remove all entries from the table.

val remove_connections : t -> Ipaddr.V4.t -> Mirage_nat.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.