#!/usr/pkg/bin/python3.11
"""
The registry server listens to broadcasts on UDP port 18812, answering to
discovery queries by clients and registering keepalives from all running
servers. In order for clients to use discovery, a registry service must
be running somewhere on their local network.
"""
from plumbum import cli
from rpyc.utils.registry import REGISTRY_PORT, DEFAULT_PRUNING_TIMEOUT
from rpyc.utils.registry import UDPRegistryServer, TCPRegistryServer
from rpyc.lib import setup_logger


class RegistryServer(cli.Application):
    mode = cli.SwitchAttr(["-m", "--mode"], cli.Set("UDP", "TCP"), default="UDP",
                          help="Serving mode")

    ipv6 = cli.Flag(["-6", "--ipv6"], help="use ipv6 instead of ipv4")

    port = cli.SwitchAttr(["-p", "--port"], cli.Range(0, 65535), default=REGISTRY_PORT,
                          help="The UDP/TCP listener port")

    logfile = cli.SwitchAttr(["--logfile"], str, default=None,
                             help="The log file to use; the default is stderr")

    quiet = cli.SwitchAttr(["-q", "--quiet"], help="Quiet mode (only errors are logged)")

    pruning_timeout = cli.SwitchAttr(["-t", "--timeout"], int,
                                     default=DEFAULT_PRUNING_TIMEOUT, help="Set a custom pruning timeout (in seconds)")

    def main(self):
        if self.mode == "UDP":
            server = UDPRegistryServer(host='::' if self.ipv6 else '0.0.0.0', port=self.port,
                                       pruning_timeout=self.pruning_timeout)
        elif self.mode == "TCP":
            server = TCPRegistryServer(port=self.port, pruning_timeout=self.pruning_timeout)
        setup_logger(self.quiet, self.logfile)
        server.start()


if __name__ == "__main__":
    RegistryServer.run()
