mirror of
https://github.com/c-cube/moonpool.git
synced 2025-12-06 03:05:30 -05:00
65 lines
1.7 KiB
OCaml
65 lines
1.7 KiB
OCaml
module M = Moonpool
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module M_lwt = Moonpool_lwt
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module Trace = Trace_core
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let ( let@ ) = ( @@ )
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let spf = Printf.sprintf
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let str_of_sockaddr = function
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| Unix.ADDR_UNIX s -> s
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| Unix.ADDR_INET (addr, port) ->
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spf "%s:%d" (Unix.string_of_inet_addr addr) port
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let main ~port ~runner () : unit Lwt.t =
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let@ _sp = Trace.with_span ~__FILE__ ~__LINE__ "main" in
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let lwt_fut, _lwt_prom = Lwt.wait () in
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(* TODO: handle exit?? *)
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Printf.printf "listening on port %d\n%!" port;
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let handle_client client_addr ic oc =
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let@ _sp =
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Trace.with_span ~__FILE__ ~__LINE__ "handle.client" ~data:(fun () ->
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[ "addr", `String (str_of_sockaddr client_addr) ])
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in
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let buf = Bytes.create 32 in
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let continue = ref true in
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while !continue do
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let@ _sp = Trace.with_span ~__FILE__ ~__LINE__ "read.loop" in
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Trace.message "read";
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let n = M_lwt.IO_in.input ic buf 0 (Bytes.length buf) in
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if n = 0 then
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continue := false
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else (
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Trace.messagef (fun k -> k "got %dB" n);
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M_lwt.IO_out.output oc buf 0 n;
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M_lwt.IO_out.flush oc;
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Trace.message "write" (* MU.sleep_s 0.02 *)
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)
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done;
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Trace.message "exit handle client"
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in
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let addr = Unix.ADDR_INET (Unix.inet_addr_any, port) in
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let _server = M_lwt.TCP_server.establish ~runner addr handle_client in
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lwt_fut
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let () =
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let@ () = Trace_tef.with_setup () in
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Trace.set_thread_name "main";
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let port = ref 0 in
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let j = ref 4 in
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let opts =
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[
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"-p", Arg.Set_int port, " port"; "j", Arg.Set_int j, " number of threads";
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]
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|> Arg.align
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in
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Arg.parse opts ignore "echo server";
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let@ runner = M.Ws_pool.with_ ~name:"tpool" ~num_threads:!j () in
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Lwt_main.run @@ main ~runner ~port:!port ()
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