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#!/bin/bash

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echo "Instant OPC-UA server for test"

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# Run server

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exec $BEREMIZPYTHONPATH - << EOF

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import sys

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import os

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import time

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import asyncio

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from asyncua import Server

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async def main():

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    server = Server()

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    host = os.environ.get("OPCUA_DEFAULT_HOST", "127.0.0.1")

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    endpoint = "opc.tcp://"+host+":4840/freeopcua/server/"

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    await server.init()

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    server.set_endpoint(endpoint)

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    uri = "http://beremiz.github.io"

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    idx = await server.register_namespace(uri)

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    objects = server.get_objects_node()

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    testobj = await objects.add_object(idx, "TestObject")

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    testvarout = await testobj.add_variable(idx, "TestOut", 1.2)

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    testvar = await testobj.add_variable(idx, "TestIn", 5.6)

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    await testvar.set_writable()

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    await server.start()

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    try:

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        while True:

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            await asyncio.sleep(1)

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            inval = await testvar.get_value()

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            print(inval)

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            await testvarout.set_value(inval*2)

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            sys.stdout.flush()

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    finally:

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        await server.stop()

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asyncio.run(main())

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EOF