package obus

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Message description

type serial = int32
Message structure

The body is a sequence of dynamically typed values

type typ =
  1. | Method_call of OBus_path.t * OBus_name.interface * OBus_name.member
  2. | Method_return of serial
  3. | Error of serial * OBus_name.error
  4. | Signal of OBus_path.t * OBus_name.interface * OBus_name.member
type flags = {
  1. no_reply_expected : bool;
  2. no_auto_start : bool;
}

flags

val no_reply_expected : flags -> bool

no_reply_expected projection

val no_auto_start : flags -> bool

no_auto_start projection

val make_flags : ?no_reply_expected:bool -> ?no_auto_start:bool -> unit -> flags

Creates message flags. All optional arguments default to false

val default_flags : flags

All false

type t = {
  1. flags : flags;
  2. serial : serial;
  3. typ : typ;
  4. destination : OBus_name.bus;
  5. sender : OBus_name.bus;
  6. body : body;
}
Projections
val flags : t -> flags
val serial : t -> serial
val typ : t -> typ
val destination : t -> OBus_name.bus
val sender : t -> OBus_name.bus
val body : t -> body
Helpers for creating messages

Note that when creating a message the serial field is not relevant, it is overridden by OBus_connection at sending-time

val make : ?flags:flags -> ?serial:serial -> ?sender:OBus_name.bus -> ?destination:OBus_name.bus -> typ:typ -> body -> t
val method_call : ?flags:flags -> ?serial:serial -> ?sender:OBus_name.bus -> ?destination:OBus_name.bus -> path:OBus_path.t -> ?interface:OBus_name.interface -> member:OBus_name.member -> body -> t
val method_return : ?flags:flags -> ?serial:serial -> ?sender:OBus_name.bus -> ?destination:OBus_name.bus -> reply_serial:serial -> body -> t
val error : ?flags:flags -> ?serial:serial -> ?sender:OBus_name.bus -> ?destination:OBus_name.bus -> reply_serial:serial -> error_name:OBus_name.error -> body -> t
val signal : ?flags:flags -> ?serial:serial -> ?sender:OBus_name.bus -> ?destination:OBus_name.bus -> path:OBus_path.t -> interface:OBus_name.interface -> member:OBus_name.member -> body -> t
Errors
exception Invalid_reply of string
val invalid_reply : method_call:t -> expected_signature:OBus_value.signature -> method_return:t -> exn

invalid_reply ~method_call ~expected_signature ~method_return

  • returns

    an Invalid_reply exception with a informative description of the error.

  • raises Invalid_argument

    if method_call is not a method call message or method_return is not a method return message

Pretty-printing
val print : Format.formatter -> t -> unit

Print a message on a formatter

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