package tcpip

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package tcpip

tcpip
- Tcpip_checksum
tcpip.icmpv4
- Icmpv4
  - Make
    
    I
- Icmpv4_packet
  - Marshal
  - Unmarshal
- Icmpv4_wire
tcpip.icmpv4-socket
- Icmpv4_socket
tcpip.ipv4
- Fragments
  - Cache
  - K
  - V
- Ipv4_common
- Ipv4_packet
  - Marshal
  - Unmarshal
- Ipv4_wire
- Routing
  - Make
    
    A
    
    Log
- Static_ipv4
  - Make
    
    A
    
    C
    
    E
    
    R
tcpip.ipv6
- Ipv6
  - Make
    
    Clock
    
    E
    
    N
    
    R
    
    T
- Ipv6_wire
- Ndpv6
tcpip.stack-direct
- Tcpip_stack_direct
  - IPV4V6
    
    Ipv4
    
    Ipv6
  - Make
    
    Arpv4
    
    Ethernet
    
    Icmpv4
    
    Ipv4
    
    Netif
    
    Random
    
    Tcpv4
    
    Time
    
    Udpv4
  - MakeV4V6
    
    Arpv4
    
    Ethernet
    
    Icmpv4
    
    Ip
    
    Netif
    
    Random
    
    Tcp
    
    Time
    
    Udp
  - MakeV6
    
    Ethernet
    
    Ipv6
    
    Netif
    
    Random
    
    Tcpv6
    
    Time
    
    Udpv6
  - TCPV4V6_DIRECT
  - TCPV4_DIRECT
  - TCPV6_DIRECT
  - UDPV4V6_DIRECT
  - UDPV4_DIRECT
  - UDPV6_DIRECT
tcpip.stack-socket
- Ipv4_socket
- Ipv4v6_socket
- Ipv6_socket
- Tcpip_stack_socket
  - V4
  - V4V6
  - V6
tcpip.tcp
- Tcp
  - Ack
    
    Delayed
    
    T
    
    Immediate
    
    M
  - Flow
    
    Make
    
    C
    
    IP
    
    R
    
    TM
  - Keepalive
    
    Make
    
    Clock
    
    T
  - Options
  - Segment
    
    Rx
    
    T
    
    Tx
    
    Clock
    
    Time
  - Sequence
  - State
    
    Make
    
    Time
  - Stats
    
    Gc
  - Tcp_packet
    
    Marshal
    
    Unmarshal
  - Tcp_wire
  - Tcptimer
    
    Make
    
    T
  - User_buffer
    
    Rx
    
    Tx
    
    Clock
    
    TXS
    
    Time
  - Window
    
    Make
    
    C
  - Wire
    
    Make
    
    Ip
tcpip.tcp_socket_options
- Tcp_socket_options
tcpip.tcpv4-socket
- Tcp_socket
- Tcpv4_socket
tcpip.tcpv4v6-socket
- Tcpv4v6_socket
tcpip.tcpv6-socket
- Tcpv6_socket
tcpip.udp
- Udp
  - Make
    
    IP
    
    R
- Udp_packet
  - Marshal
  - Unmarshal
- Udp_wire
tcpip.udpv4-socket
- Udpv4_socket
tcpip.udpv4v6-socket
- Udpv4v6_socket
tcpip.udpv6-socket
- Udpv6_socket
tcpip.unix
- Tcpip_unix

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Class
Class type

include Mirage_protocols.ICMP with type ipaddr = Ipaddr.V4.t

include Mirage_device.S

type t

The type representing the internal state of the device

val disconnect : t -> unit Lwt.t

Disconnect from the device. While this might take some time to complete, it can never result in an error.

type ipaddr = Ipaddr.V4.t

The type for IP addresses.

type error

The type for ICMP errors.

val pp_error : error Fmt.t

pp_error is the pretty-printer for errors.

val input : t -> src:ipaddr -> dst:ipaddr -> Cstruct.t -> unit Lwt.t

input t src dst buffer reacts to the ICMP message in buffer.

val write : 
  t ->
  ?src:ipaddr ->
  dst:ipaddr ->
  ?ttl:int ->
  Cstruct.t ->
  (unit, error) result Lwt.t

write t ~src ~dst ~ttl buffer sends the ICMP message in buffer to dst over IP. Passes the time-to-live (ttl) to the IP stack if given.

val connect : unit -> t Lwt.t

val listen : t -> ipaddr -> (Cstruct.t -> unit Lwt.t) -> unit Lwt.t

listen t addr fn attempts to create an unprivileged listener on IP address addr.

When a packet is received, the callback fn will be called in a fresh background thread. The callback will be provided a buffer containing an IP datagram with an ICMP payload inside.

The thread returned by listen blocks until the stack is disconnected.