unikernel/duniverse/mirage-tcpip/src/tcp/user_buffer.mli

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+(*
+ * Copyright (c) 2010 http://github.com/barko 00336ea19fcb53de187740c490f764f4
+ * Copyright (c) 2011 Anil Madhavapeddy <anil@recoil.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *)
+
+module Rx : sig
+  type t
+
+  val create : max_size:int32 -> wnd:Window.t -> t
+  val remove_all : t -> unit
+  val add_r : t -> Cstruct.t option -> unit Lwt.t
+  val take_l : t -> Cstruct.t option Lwt.t
+  val cur_size : t -> int32
+  val max_size : t -> int32
+  val monitor: t -> int32 Lwt_mvar.t -> unit
+end
+
+module Tx : sig
+
+  type t
+
+  module TXS : sig
+    type t = Segment.Tx.t
+    val output : ?flags:Segment.tx_flags -> ?options:Options.t list -> t ->
+      Cstruct.t -> unit Lwt.t
+  end
+
+  val create: max_size:int32 -> wnd:Window.t -> txq:TXS.t -> t
+  val available: t -> int32
+  val wait_for: t -> int32 -> unit Lwt.t
+  val wait_for_flushed: t -> unit Lwt.t
+  val write: t -> Cstruct.t list -> unit Lwt.t
+  val write_nodelay: t -> Cstruct.t list -> unit Lwt.t
+  val free: t -> int -> unit Lwt.t
+  val reset: t -> unit Lwt.t
+end