package dns-client

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package dns-client

dns-client
- CHANGES
- LICENSE
- README
- Library dns-client
  - Dns_client
    
    S
    
    Make
    
    Pure
- Library dns-client.resolvconf
  - Dns_resolvconf
- Library dns-client.unix
  - Dns_client_unix
    
    Transport
- Sources
  - dns-client
    
    dns_client.ml
  - dns-client.resolvconf
    
    dns_resolvconf.ml
  - dns-client.unix
    
    dns_client_unix.ml

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Module `Dns_client_unix.Transport`Source

A flow module based on blocking I/O on top of the Unix socket API.

TODO: Implement the connect timeout.

Sourcetype context

A context is a network connection initialized by connect

Sourcetype +'a io = 'a

io is the type of an effect. 'err is a polymorphic variant.

Sourcetype io_addr = Ipaddr.t * int

An address for a given context type, usually this will consist of IP address + a TCP/IP or UDP/IP port number, but for some context types it can carry additional information for purposes of cryptographic verification.

Sourcetype stack = unit

A stack with which to connect.

Sourcetype t

The abstract state of a DNS client.

Source

val create : 
  ?nameservers:(Dns.proto * io_addr list) ->
  timeout:int64 ->
  stack ->
  t

create ~nameservers ~timeout stack creates the state record of the DNS client. We use timeout (ns) as a cumulative time budget for connect and request timeouts.

Sourceval nameservers : t -> Dns.proto * io_addr list

The address of a nameservers that is supposed to work with the underlying context, can be used if the user does not want to bother with configuring their own.

Sourceval rng : int -> string

rng t is a random number generator.

Sourceval clock : unit -> int64

clock t is the monotonic clock.

Sourceval connect : t -> (Dns.proto * context, [> `Msg of string ]) result io

connect t is a new connection (context) to t, or an error.

Sourceval send_recv : context -> string -> (string, [> `Msg of string ]) result io

send_recv context buffer sends buffer to the context upstream, and then reads a buffer.

Sourceval close : context -> unit io

close context closes the context, freeing up resources.

Sourceval bind : 'a io -> ('a -> 'b io) -> 'b io

a.k.a. >>=

Sourceval lift : 'a -> 'a io

package dns-client

Module Dns_client_unix.TransportSource

Module `Dns_client_unix.Transport`Source