Source code for simulaqron.run.startNode

#!/usr/bin/env python
#
# Copyright (c) 2017, Stephanie Wehner and Axel Dahlberg
# 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. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#    This product includes software developed by Stephanie Wehner, QuTech.
# 4. Neither the name of the QuTech organization nor the
#    names of its contributors may be used to endorse or promote products
#    derived from this software without specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ''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 COPYRIGHT HOLDER BE LIABLE FOR ANY
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import sys
import logging
import signal
from twisted.internet import reactor

from simulaqron.virtNode.virtual import backEnd
from simulaqron.settings import simulaqron_settings


def sigterm_handler(_signo, _stack_frame):
    print("Shutting down Node")
    reactor.stop()


def main(name, network_name="default"):
    signal.signal(signal.SIGTERM, sigterm_handler)
    signal.signal(signal.SIGINT, sigterm_handler)

    logging.basicConfig(
        format="%(asctime)s:%(levelname)s:%(message)s",
        level=simulaqron_settings.log_level,
    )
    logging.debug("Starting VIRTUAL NODE %s", name)
    if simulaqron_settings.network_config_file is not None:
        virtualFile = simulaqron_settings.network_config_file
    else:
        virtualFile = simulaqron_settings.vnode_file
    be = backEnd(name, virtualFile, network_name=network_name)
    be.start(maxQubits=simulaqron_settings.max_qubits, maxRegisters=simulaqron_settings.max_registers)


if __name__ == "__main__":
    main(sys.argv[1])