Update conduit-mirage to v4v6

conduit-mirage.opam

@@ -38,5 +38,8 @@ build: [
   ["dune" "build" "-p" name "-j" jobs]
   ["dune" "runtest" "-p" name] {with-test}
 ]
+pin-depends: [
+  "dns-client" "git+https://github.com/mirage/ocaml-dns.git#cfec9fe8237d6c4b6e8465f5fbc3781ee0a0b7f5"
+]
 dev-repo: "git+https://github.com/mirage/ocaml-conduit.git"
 synopsis: "A network connection establishment library for MirageOS"

src/conduit-mirage/conduit_mirage.ml

@@ -29,7 +29,6 @@ let err_domain_sockets_not_supported =
 
 let err_vchan_not_supported = fail "%s: VCHAN is not supported"
 let err_unknown = fail "%s: unknown endpoint type"
-let err_ipv6 = fail "%s: IPv6 is not supported"
 
 let err_not_supported = function
   | `TLS _ -> err_tls_not_supported
@@ -64,32 +63,29 @@ end
 let tcp_client i p = Lwt.return (`TCP (i, p))
 let tcp_server _ p = Lwt.return (`TCP p)
 
-module TCP (S : Mirage_stack.V4) = struct
-  module Flow = S.TCPV4
+module TCP (S : Mirage_stack.V4V6) = struct
+  module Flow = S.TCP
 
   type flow = Flow.flow
   type t = S.t
 
   let err_tcp e =
     Lwt.fail
-    @@ Failure (Format.asprintf "TCP connection failed: %a" S.TCPV4.pp_error e)
+    @@ Failure (Format.asprintf "TCP connection failed: %a" S.TCP.pp_error e)
 
   let connect (t : t) (c : client) =
     match c with
     | `TCP (ip, port) -> (
-        match Ipaddr.to_v4 ip with
-        | None -> err_ipv6 "connect"
-        | Some ip -> (
-            S.TCPV4.create_connection (S.tcpv4 t) (ip, port) >>= function
-            | Error e -> err_tcp e
-            | Ok flow -> Lwt.return flow))
+        S.TCP.create_connection (S.tcp t) (ip, port) >>= function
+        | Error e -> err_tcp e
+        | Ok flow -> Lwt.return flow)
     | _ -> err_not_supported c "connect"
 
   let listen (t : t) (s : server) fn =
     match s with
     | `TCP port ->
         let s, _u = Lwt.task () in
-        S.listen_tcpv4 t ~port (fun flow -> fn flow);
+        S.listen_tcp t ~port (fun flow -> fn flow);
         s
     | _ -> err_not_supported s "listen"
 end

src/conduit-mirage/conduit_mirage.mli

@@ -83,8 +83,8 @@ end
 
 (** {2 TCP} *)
 
-module TCP (S : Mirage_stack.V4) :
-  S with type t = S.t and type flow = S.TCPV4.flow
+module TCP (S : Mirage_stack.V4V6) :
+  S with type t = S.t and type flow = S.TCP.flow
 
 (** {2 VCHAN} *)
 

src/conduit-mirage/resolver_mirage.ml

@@ -28,7 +28,7 @@ module Make
     (R : Mirage_random.S)
     (T : Mirage_time.S)
     (C : Mirage_clock.MCLOCK)
-    (S : Mirage_stack.V4) =
+    (S : Mirage_stack.V4V6) =
 struct
   include Resolver_lwt
 

src/conduit-mirage/resolver_mirage.mli

@@ -34,9 +34,9 @@ module Make
     (R : Mirage_random.S)
     (T : Mirage_time.S)
     (C : Mirage_clock.MCLOCK)
-    (S : Mirage_stack.V4) : sig
+    (S : Mirage_stack.V4V6) : sig
   include S
 
-  val v : ?ns:Ipaddr.V4.t -> ?ns_port:int -> S.t -> t
+  val v : ?ns:Ipaddr.t -> ?ns_port:int -> S.t -> t
   (** [v ?ns ?ns_port ?stack ()] TODO *)
 end

tests/conduit-mirage/simple/test.ml

@@ -5,12 +5,14 @@ let client : Conduit_mirage.client =
 
 let server : Conduit_mirage.server = `TCP 12345
 
-module TCP = Conduit_mirage.TCP (Tcpip_stack_socket.V4)
+module TCP = Conduit_mirage.TCP (Tcpip_stack_socket.V4V6)
 
 let tcp () =
-  Udpv4_socket.connect Ipaddr.V4.Prefix.global >>= fun udp ->
-  Tcpv4_socket.connect Ipaddr.V4.Prefix.global >>= fun tcp ->
-  Tcpip_stack_socket.V4.connect udp tcp
+  let ipv4_only = false and ipv6_only = false in
+  Udpv4v6_socket.connect ~ipv4_only ~ipv6_only Ipaddr.V4.Prefix.global None
+  >>= fun udp ->
+  Tcpv4v6_socket.connect ~ipv4_only ~ipv6_only Ipaddr.V4.Prefix.global None
+  >>= fun tcp -> Tcpip_stack_socket.V4V6.connect udp tcp
 
 let _client () = tcp () >>= fun t -> TCP.connect t client