72 lines
2.0 KiB
Python
Executable File
72 lines
2.0 KiB
Python
Executable File
#!/usr/bin/env python
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'''
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Simple NORM file receiver example app using Python NORM API
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'''
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import sys, os.path
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from optparse import OptionParser
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import pynorm
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USAGE = 'usage: %s [options] <cacheDir>' % sys.argv[0]
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DEFAULT_ADDR = '224.1.2.3'
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DEFAULT_PORT = 6003
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def get_option_parser():
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parser = OptionParser(usage=USAGE)
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parser.set_defaults(address=DEFAULT_ADDR, port=DEFAULT_PORT)
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parser.add_option('-a', '--address',
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help='The IP address to bind to (default %s)' % DEFAULT_ADDR)
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parser.add_option('-p', '--port', type=int,
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help='The port number to listen on (default %i)' % DEFAULT_PORT)
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parser.add_option('-i', '--iface',
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help='The inteface to transmit multicast on.')
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return parser
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def main(argv):
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(opts, args) = get_option_parser().parse_args(argv)
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if len(args) != 2:
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print(get_option_parser().get_usage())
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return 1
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path = os.path.abspath(args[1])
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instance = pynorm.Instance()
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instance.setCacheDirectory(path)
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session = instance.createSession(opts.address, opts.port)
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if opts.iface:
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session.setMulticastInterface(opts.iface)
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session.startReceiver(1024*1024)
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try:
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for event in instance:
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if event == 'NORM_RX_OBJECT_INFO':
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event.object.filename = os.path.join(path, event.object.info)
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print('Downloading file %s' % event.object.filename)
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elif event == 'NORM_RX_OBJECT_UPDATED':
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print('File %s - %i bytes left to download' % (
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event.object.filename, event.object.bytesPending))
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elif event == 'NORM_RX_OBJECT_COMPLETED':
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print('File %s completed' % event.object.filename)
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return 0
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elif event == 'NORM_RX_OBJECT_ABORTED':
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print('File %s aborted' % event.object.filename)
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return 1
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else:
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print(event)
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except KeyboardInterrupt:
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pass
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print('Exiting.')
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return 0
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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