3 # Copyright 2006 Free Software Foundation, Inc.
5 # This file is part of GNU Radio
7 # GNU Radio is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2, or (at your option)
12 # GNU Radio is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with GNU Radio; see the file COPYING. If not, write to
19 # the Free Software Foundation, Inc., 51 Franklin Street,
20 # Boston, MA 02110-1301, USA.
23 from gnuradio import gr
24 from gnuradio.eng_option import eng_option
25 from optparse import OptionParser
27 class vector_sink(gr.hier_block2):
28 def __init__(self, local_ipaddress, port, mtu):
29 gr.hier_block2.__init__(self,
30 "vector_sink", # Block type
31 gr.io_signature(0,0,0), # Input signature
32 gr.io_signature(0,0,0)) # Output signature
34 udp = gr.udp_source(gr.sizeof_char, local_ipaddress, port, mtu)
36 self.define_component("src", udp)
37 self.define_component("dst", gr.file_sink(gr.sizeof_char, "received.dat"))
39 self.connect("src", 0, "dst", 0)
41 if __name__ == "__main__":
42 parser = OptionParser(option_class=eng_option)
43 parser.add_option("", "--local-ipaddr", type="string", default="127.0.0.1",
44 help="local IP address")
45 parser.add_option("", "--local-port", type="int", default=65500,
46 help="port value to listen to for connection")
47 parser.add_option("", "--mtu", type="int", default=540,
49 (options, args) = parser.parse_args()
54 # Create an instance of a hierarchical block
55 top_block = vector_sink(options.local_ipaddr, options.local_port,
58 # Create an instance of a runtime, passing it the top block
59 runtime = gr.runtime(top_block)
64 except KeyboardInterrupt: