Revision 5fa6faa707c4eedc955a4f0562195703224a63fa authored by Thomas Letan on 14 August 2023, 09:49:56 UTC, committed by Thomas Letan on 14 August 2023, 09:55:15 UTC
Tztop was added at a time where the protocol couldn’t be loaded in utop. This is no longer the case, and as a consequence, we can safely retire tztop.
1 parent 5745a2e
metrics.ml
(*****************************************************************************)
(* *)
(* Open Source License *)
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(*****************************************************************************)
type t = {shutdown : unit Lwt.u; server : unit Lwt.t}
module Metrics_server = Prometheus_app.Cohttp (Cohttp_lwt_unix.Server)
let shutdown t =
Lwt.wakeup t.shutdown () ;
t.server
let shutdown_on_exit t =
Lwt_exit.register_clean_up_callback ~loc:__LOC__ (fun _exit_status ->
shutdown t)
let launch (addr, port) =
let open Lwt_syntax in
let host = Ipaddr.V6.to_string addr in
let* ctx = Conduit_lwt_unix.init ~src:host () in
let ctx = Cohttp_lwt_unix.Net.init ~ctx () in
let mode = `TCP (`Port port) in
let callback = Metrics_server.callback in
let stop, shutdown = Lwt.task () in
let server =
Cohttp_lwt_unix.Server.create
~stop
~ctx
~mode
(Cohttp_lwt_unix.Server.make ~callback ())
in
let t = {shutdown; server} in
let (_ : Lwt_exit.clean_up_callback_id) = shutdown_on_exit t in
let* () = Event.(emit metrics_server_is_ready) (host, port) in
Lwt.return t
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