moonpool/test/unix/echo_server.ml
Simon Cruanes a2a0e3d306
wip
2024-06-24 12:11:44 -04:00

62 lines
1.7 KiB
OCaml

module M = Moonpool
module MU = Moonpool_unix
module Trace = Trace_core
let ( let@ ) = ( @@ )
let main ~port ~j () : unit =
let@ _sp = Trace.with_span ~__FILE__ ~__LINE__ "main" in
let@ runner = M.Ws_pool.with_ ~name:"tpool" ~num_threads:j () in
let@ _main_runner = MU.main in
Trace.set_thread_name "main";
let@ server =
MU.TCP_server.with_server ~runner (MU.Sockaddr.any port)
~handle:(fun ~client_addr:addr ic oc ->
Trace.message "got new client";
let@ _sp =
Trace.with_span ~__FILE__ ~__LINE__ "handle.client" ~data:(fun () ->
[ "addr", `String (MU.Sockaddr.show addr) ])
in
let buf = Bytes.create 32 in
let continue = ref true in
while !continue do
Trace.message "read";
let n = Iostream.In_buf.input ic buf 0 (Bytes.length buf) in
if n = 0 then continue := false;
Trace.messagef (fun k -> k "got %dB" n);
Iostream.Out_buf.output oc buf 0 n;
Iostream.Out_buf.flush oc;
Trace.message "write"
(* MU.sleep_s 0.02 *)
done)
in
Trace.messagef (fun k ->
k "server established on %s"
(MU.Sockaddr.show @@ MU.TCP_server.endpoint server));
Printf.printf "listening on %s\n%!"
(MU.Sockaddr.show @@ MU.TCP_server.endpoint server);
Trace.message "awaiting server";
MU.TCP_server.await server;
()
let () =
Sys.catch_break true;
let@ () = Trace_tef.with_setup () in
Trace.set_thread_name "entry";
let port = ref 0 in
let j = ref 4 in
let opts =
[
"-p", Arg.Set_int port, " port"; "j", Arg.Set_int j, " number of threads";
]
|> Arg.align
in
Arg.parse opts ignore "echo server";
main ~port:!port ~j:!j ()