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https://github.com/blw1138/Zordon.git
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87 lines
2.5 KiB
Python
87 lines
2.5 KiB
Python
import logging
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import socket
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from zeroconf import Zeroconf, ServiceInfo, ServiceBrowser, ServiceStateChange
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logger = logging.getLogger()
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class ZeroconfServer:
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service_type = None
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server_name = None
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server_port = None
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server_ip = None
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zeroconf = Zeroconf()
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service_info = None
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client_cache = {}
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properties = {}
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@classmethod
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def configure(cls, service_type, server_name, server_port):
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cls.service_type = service_type
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cls.server_name = server_name
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cls.server_port = server_port
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@classmethod
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def start(cls, listen_only=False):
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if not listen_only:
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cls._register_service()
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cls._browse_services()
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@classmethod
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def stop(cls):
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cls._unregister_service()
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cls.zeroconf.close()
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@classmethod
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def _register_service(cls):
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cls.server_ip = socket.gethostbyname(socket.gethostname())
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info = ServiceInfo(
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cls.service_type,
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f"{cls.server_name}.{cls.service_type}",
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addresses=[socket.inet_aton(cls.server_ip)],
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port=cls.server_port,
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properties=cls.properties,
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)
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cls.service_info = info
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cls.zeroconf.register_service(info)
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logger.info(f"Registered zeroconf service: {cls.service_info.name}")
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@classmethod
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def _unregister_service(cls):
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if cls.service_info:
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cls.zeroconf.unregister_service(cls.service_info)
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logger.info(f"Unregistered zeroconf service: {cls.service_info.name}")
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cls.service_info = None
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@classmethod
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def _browse_services(cls):
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browser = ServiceBrowser(cls.zeroconf, cls.service_type, [cls._on_service_discovered])
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browser.is_alive()
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@classmethod
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def _on_service_discovered(cls, zeroconf, service_type, name, state_change):
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info = zeroconf.get_service_info(service_type, name)
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logger.debug(f"Zeroconf: {name} {state_change}")
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if service_type == cls.service_type:
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if state_change == ServiceStateChange.Added or state_change == ServiceStateChange.Updated:
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cls.client_cache[name] = info
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else:
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cls.client_cache.pop(name)
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@classmethod
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def found_clients(cls):
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return [x.split(f'.{cls.service_type}')[0] for x in cls.client_cache.keys()]
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# Example usage:
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if __name__ == "__main__":
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ZeroconfServer.configure("_zordon._tcp.local.", "foobar.local", 8080)
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try:
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ZeroconfServer.start()
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input("Server running - Press enter to end")
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finally:
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ZeroconfServer.stop()
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