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import socket
import getopt
import sys
from blup.BLP import BLPServer
import blup.BLP
import blup.output
def printUsage(errMsg=None):
if errMsg is not None:
print 'error: %s\n' % (errMsg)
print 'usage: %s [OPTIONS]' % (sys.argv[0])
print 'supported options:'
print ' -a ADDR address to listen for packets (default: 127.0.0.1)'
print ' --address ADDR\n'
print ' -p PORT port to listen for packets (default: 4242)'
print ' --port PORT\n'
print ' -o OUTPUT where to put the recieved frames (default: shell)'
print ' --output OUTPUT\n'
print ' --eblp use EBLP instead of BLP\n'
print ' --e3blp use E3BLP instead of BLP\n'
print ' -h print this text'
print ' --help'
def main():
try:
(opts, args) = getopt.gnu_getopt(sys.argv, 'ha:p:o:', ['help', 'address=', 'port=', 'output=', 'eblp', 'e3blp'])
opts = dict(opts)
except getopt.GetoptError as e:
printUsage(e.msg)
sys.exit(1)
if opts.has_key('--help'):
printUsage()
sys.exit(0)
if opts.has_key('-a'):
addr = opts['-a']
elif opts.has_key('--address'):
addr = opts['--address']
else:
addr = '127.0.0.1'
if opts.has_key('-p'):
port = opts['-p']
elif opts.has_key('--port'):
port = opts['--port']
else:
port = 4242
if opts.has_key('-o'):
output = opts['-o']
elif opts.has_key('--output'):
output = opts['--output']
else:
output = 'shell'
if opts.has_key('--eblp'):
protocol = blup.BLP.PROTO_EBLP
elif opts.has_key('--e3blp'):
protocol = blup.BLP.PROTO_E3BLP
else:
protocol = blup.BLP.PROTO_BLP
if opts.has_key('--eblp') and opts.has_key('--e3blp'):
printUsage('please only specify one of --eblp or --e3blp')
sys.exit(1)
try:
port = int(port)
except ValueError:
printUsage('invalid port specified')
sys.exit(1)
out = blup.output.getOutput(output)
srv = BLPServer(output=out, addr=addr, port=port, protocol=protocol)
try:
srv.serve()
except KeyboardInterrupt:
pass
if __name__ == '__main__':
main()