Source file h2_lwt.ml

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(*----------------------------------------------------------------------------
 *  Copyright (c) 2017 Inhabited Type LLC.
 *  Copyright (c) 2019 Antonio N. Monteiro.
 *
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *  3. Neither the name of the author nor the names of his contributors
 *     may be used to endorse or promote products derived from this software
 *     without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND ANY EXPRESS
 *  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *  DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
 *  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 *  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 *  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 *  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 *  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 *---------------------------------------------------------------------------*)

module Gluten_lwt = Dream_gluten_lwt.Gluten_lwt

open Lwt.Infix
include H2_lwt_intf

module Server (Server_runtime : Gluten_lwt.Server) = struct
  module H2 = Dream_h2.H2

  type socket = Server_runtime.socket

  let create_connection_handler
      ?(config = H2.Config.default)
      ~request_handler
      ~error_handler
      client_addr
      socket
    =
    let connection =
      H2.Server_connection.create
        ~config
        ~error_handler:(error_handler client_addr)
        (request_handler client_addr)
    in
    Server_runtime.create_connection_handler
      ~read_buffer_size:config.read_buffer_size
      ~protocol:(module H2.Server_connection)
      connection
      client_addr
      socket
end

module Client (Client_runtime : Gluten_lwt.Client) = struct
  module H2 = Dream_h2.H2

  type socket = Client_runtime.socket
  type runtime = Client_runtime.t

  type t =
    { connection : H2.Client_connection.t
    ; runtime : runtime
    }

  let create_connection
      ?(config = H2.Config.default)
      ?push_handler
      ~error_handler
      socket
    =
    let connection =
      H2.Client_connection.create ~config ?push_handler ~error_handler ()
    in
    Client_runtime.create
      ~read_buffer_size:config.read_buffer_size
      ~protocol:(module H2.Client_connection)
      connection
      socket
    >|= fun runtime -> { runtime; connection }

  let request t = H2.Client_connection.request t.connection

  let ping ?payload ?off { connection; _ } =
    let t, u = Lwt.task () in
    H2.Client_connection.ping ?payload ?off connection (Lwt.wakeup_later u);
    t

  let shutdown t = Client_runtime.shutdown t.runtime
  let is_closed t = Client_runtime.is_closed t.runtime
end