Comments (2)
Do you have an example of what you would want the interface to look like? I could see something along the lines of the following being simple but useful wrappers:
val make_send : ('a -> string list) -> _ Lwt_zmq.Socket.t -> ('a -> unit Lwt.t)
val make_recv : (string list -> 'a) -> _ Lwt_zmq.Socket.t -> (unit -> 'a Lwt.t)
val make_send_s : ('a -> string list Lwt.t) -> _ Lwt_zmq.Socket.t -> ('a -> unit Lwt.t)
val make_recv_s : (string list -> 'a Lwt.t) -> _ Lwt_zmq.Socket.t -> (unit -> 'a Lwt.t)
make_send to_message socket
would return a function which sends values over socket
, serialized by to_message
.
make_recv of_message socket
would return a function which received values over socket
, deserialized by of_message
.
The _s
versions would take a cooperative function for the (de)serialization process.
from lwt-zmq.
Hello,
currently I need only properly typed messages on zmq bus so I prefer following modification of your code with functor:
module type IDType = sig
type t
val to_string : t -> string
val of_string : string -> t
end
module FLSocket(DType : IDType) = struct
type 'a t = {
socket : 'a ZMQ.Socket.t;
fd : Lwt_unix.file_descr;
}
...
let recv s =
wrap (fun s -> let r = ZMQ.Socket.recv ~block:false s in DType.of_string r) s
let send ?more s m =
wrap (fun s -> ZMQ.Socket.send ?more ~block:false s (DType.to_string m)) s
...
end
type vlan = int list [@@deriving protobuf { protoc }]
type io =
| Port of int [@key 1]
| Agg of int [@key 2]
| Vlan of vlan [@key 3]
[@@deriving protobuf { protoc }]
type router = io list [@@deriving protobuf { protoc }]
module LSocket =
FLSocket(struct
type t = router
let to_string = Protobuf.Encoder.encode_exn router_to_protobuf
let of_string = Protobuf.Decoder.decode_exn router_from_protobuf
end)
I don't know should I send such modification as pull request to your repository?
from lwt-zmq.
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from lwt-zmq.