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Astarte platform shared Protocol Buffers .proto files and Elixir AMQP client code. This component is one of the core components and basically is required to allow communication between different Astarte blocks.
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lib/astarte_rpc/handler.ex
#
# This file is part of Astarte.
#
# Copyright 2018 Ispirata Srl
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
defmodule Astarte.RPC.Handler do
@moduledoc """
This module defines the Astarte RPC Handler behaviour.
This must be implemented by modules that will be called from RPC Server.
"""
@callback handle_rpc(payload :: binary) ::
:ok
| {:ok, reply :: term}
| {:error, :retry}
| {:error, reason :: term}
end