package tcpip
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doc/tcpip.stack-direct/Tcpip_stack_direct/Make/argument-8-Udpv4/index.html
Parameter Make.Udpv4
type ipaddr = Ipaddr.V4.t
The type for an IP address representations.
Disconnect from the UDP layer. While this might take some time to complete, it can never result in an error.
The type for callback functions that adds the UDP metadata for src
and dst
IP addresses, the src_port
of the connection and the buffer
payload of the datagram.
listen t ~port callback
executes callback
for each packet received on port
.
val unlisten : t -> port:int -> unit
unlisten t ~port
stops any listeners on port
.
input t
demultiplexes incoming datagrams based on their destination port.
val write :
?src:ipaddr ->
?src_port:int ->
?ttl:int ->
dst:ipaddr ->
dst_port:int ->
t ->
Cstruct.t ->
(unit, error) result Lwt.t
write ~src ~src_port ~ttl ~dst ~dst_port udp data
is a task that writes data
from an optional src
and src_port
to a dst
and dst_port
IP address pair. An optional time-to-live (ttl
) is passed through to the IP layer.