95 lines
2.8 KiB
Python
Executable File
95 lines
2.8 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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Shows the usage of the event manager.
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'''
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import sys
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import os.path
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from optparse import OptionParser
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sys.path.insert(0, '../')
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import pynorm
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from pynorm.extra.manager import Manager, StopManager
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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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DEFAULT_PIPE = 'normtest'
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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, debug=0,
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pipe=DEFAULT_PIPE)
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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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parser.add_option('-d', '--debug', type=int, help='Debug level')
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parser.add_option('-e', '--pipe', help='Pipe name for logging.')
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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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try:
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instance.openDebugPipe(opts.pipe)
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except pynorm.NormError:
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print 'Could not connect to pipe, disabling...'
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pynorm.setDebugLevel(opts.debug)
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manager = Manager(instance)
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manager.register(pynorm.NORM_RX_OBJECT_INFO, newObject, path)
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# manager.register(pynorm.NORM_RX_OBJECT_UPDATED, updatedObject)
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manager.register(pynorm.NORM_RX_OBJECT_COMPLETED, complete)
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manager.register(pynorm.NORM_RX_OBJECT_ABORTED, abort)
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manager.start()
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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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print 'Starting listener on %s:%i' % (opts.address, opts.port)
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try:
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while True:
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manager.join(2)
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except KeyboardInterrupt:
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pass
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print 'Exiting...'
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instance.stop()
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manager.join()
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return 0
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def newObject(event, path):
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print 'Filename = %s' % event.object.getInfo()
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event.object.filename = os.path.join(path, event.object.getInfo())
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print 'Downloading file %s' % event.object.filename
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def updatedObject(event):
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print 'File %s - %i bytes left to download' % (event.object.filename,
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event.object.bytesPending)
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def complete(event):
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print 'File %s completed' % event.object.filename
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raise StopManager()
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def abort(event):
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print 'File %s aborted' % event.object.filename
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raise StopManager()
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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