diff options
| author | jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5> | 2009-01-27 18:00:05 +0000 |
|---|---|---|
| committer | jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5> | 2009-01-27 18:00:05 +0000 |
| commit | 85b76dd55f422cf70238c58f2e39c2c28555f6ce (patch) | |
| tree | 4c49a90a90efc0b8fbc1c6c5229363b8c14611a9 /gnuradio-examples/python/limbo/networking/measurement_slave.py | |
| parent | f0d8ab4f2f2cf681994e1ab9a2f5c7dbcd9419cd (diff) | |
General housekeeping--removing ancient cruft mostly.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@10315 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'gnuradio-examples/python/limbo/networking/measurement_slave.py')
| -rwxr-xr-x | gnuradio-examples/python/limbo/networking/measurement_slave.py | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/gnuradio-examples/python/limbo/networking/measurement_slave.py b/gnuradio-examples/python/limbo/networking/measurement_slave.py deleted file mode 100755 index a2b04151fe..0000000000 --- a/gnuradio-examples/python/limbo/networking/measurement_slave.py +++ /dev/null @@ -1,241 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2006 Free Software Foundation, Inc. -# -# This file is part of GNU Radio -# -# GNU Radio is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 3, or (at your option) -# any later version. -# -# GNU Radio is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with GNU Radio; see the file COPYING. If not, write to -# the Free Software Foundation, Inc., 51 Franklin Street, -# Boston, MA 02110-1301, USA. -# - -import struct -import socket -import asyncore -import sys -import optparse -import random -from gnuradio.eng_option import eng_option -import gnuradio.gr.gr_threading as _threading - -LOOP_TIMEOUT = 0.001 -BROADCAST_ADDR = '255.255.255.255' - -BROADCAST_PORT = 27010 # UDP -CONTROL_PORT = 27011 # TCP - -PKT_HEADER_SIZE = 4 # 32-bit int - -logfile = None - -def unpack_header(s): - (len,) = struct.unpack('!i', s) - return (len,) - -def pack_header(len): - return struct.pack('!i', len) - - -class control_port_listener(asyncore.dispatcher): - def __init__(self, port=CONTROL_PORT, udp_socket=None, verbose=False): - """ - @param port: TCP port to listen on. - @type port: int - """ - asyncore.dispatcher.__init__(self) - - self._verbose = verbose - self._udp_socket = udp_socket - - host = '' # symbolic name for localhost - self.create_socket(socket.AF_INET, socket.SOCK_STREAM) - self.set_reuse_addr() - - try: - self.bind((host, port)) - except socket.error, err: - sys.stderr.write('Failed to bind to %s: %s\n' % - ((host, port), os.strerror (err.args[0]),)) - sys.exit(1) - - self.listen(3) - - def handle_accept(self): - socket, addr = self.accept() - sys.stderr.write("handle_accept: %r\n" % (addr,)) - if not(socket is None): - # instantiate a server - s = control_server(socket, addr, self._udp_socket, self._verbose) - - -class gr_dispatcher(asyncore.dispatcher): - def __init__(self, sock=None, map=None): - asyncore.dispatcher.__init__(self, sock=sock, map=map) - - def read_packet(self): - """ - Returns None or packet - """ - s = self.recvall(PKT_HEADER_SIZE) - if s == '': - return None - - (payload_len,) = unpack_header(s) - - payload_len = int(payload_len) - - if payload_len == 0: - payload = '' - else: - payload = self.recvall(payload_len) - if len(payload) != payload_len: - sys.stderr.write ('short recv, expected %d bytes, got %d\n' % ( - payload_len, len(payload))) - raise RuntimeError, "short recv" - - return payload - - def recvall(self, buffer_size): - result = '' - while len(result) < buffer_size: - data = self.recv(buffer_size - len(result)) - if not data: - return '' - result += data - return result - - -class pkt_receiver_thread(_threading.Thread): - def __init__(self, socket): - _threading.Thread.__init__(self) - self.setDaemon(1) - self.socket = socket - self.keep_running = True - self.start() - - def run(self): - while self.keep_running: - pkt, sender = self.socket.recvfrom(10000) - if pkt: - if len(pkt) > 2: - t = struct.unpack('!H', pkt[0:2]) - seqno = t[0] - else: - seqno = -1 - - logfile.write('RCVD seqno %4d len %4d from %s\n' % (seqno, len(pkt), sender)) - logfile.flush() - - -class control_server(gr_dispatcher): - def __init__(self, socket, addr, udp_socket, verbose=False): - gr_dispatcher.__init__(self, sock=socket) - - self._udp_socket = udp_socket - self.verbose = verbose - self.setblocking(1) - - def writable(self): - return False - - def handle_read(self): - pkt = self.read_packet() - if pkt: - annotate = 'ANNOTATE' - if pkt.startswith(annotate): - logfile.write(pkt[len(annotate)+1:]) - logfile.write('\n') - logfile.flush() - elif pkt.startswith('SEND'): - tokens = pkt.split() - if len(tokens) < 4: - invalid_packet(pkt) - else: - npkts = int(tokens[1]) - size = int(tokens[2]) - power = float(tokens[3]) - send_test_packets(self._udp_socket, npkts, size, power) - else: - invalid_packet(pkt) - - def handle_close(self): - self.close() - - -def invalid_packet(pkt): - sys.stderr.write('received unrecognized packet: %s\n' % (pkt,)) - - -def make_random_payload(size): - p = [0] * size - if 1: - for i in range(size): - p[i] = chr(random.randint(0, 255)) - else: - for i in range(size): - p[i] = chr(i % 256) - return ''.join(p) - - -def send_test_packets(udp_socket, npkts, size, power): - # we ignore power for now... - size = max(2, size) - payload = make_random_payload(size - 2) - for n in range(npkts): - pkt = struct.pack('!H', n) + payload - udp_socket.sendto(pkt, (BROADCAST_ADDR, BROADCAST_PORT)) - #udp_socket.sendall(pkt) - - -def open_udp_broadcast_socket(gr0_host_ip, port): - s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) -# s.bind((gr0_host_ip, port)) - s.bind(('', port)) - s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1) -# s.connect((BROADCAST_ADDR, port)) - return s - - -def main(): - global logfile - - usage = 'usage: %prog [options] gr0-ip-addr' - parser = optparse.OptionParser (option_class=eng_option, usage=usage) - parser.add_option('-l', '--logfile', type='string', default=None, - help="specify log file name [default=<stdout>]") - parser.add_option('-v', '--verbose', action="store_true", default=False, - help="enable verbose diagnostics") - - (options, args) = parser.parse_args () - if len(args) != 1: - parser.print_help() - sys.exit(1) - - gr0_ip_addr = args[0] - if options.logfile is None: - logfile = sys.stdout - else: - logfile = file(options.logfile, 'w') - - udp_socket = open_udp_broadcast_socket(gr0_ip_addr, BROADCAST_PORT) - R = pkt_receiver_thread(udp_socket) - L = control_port_listener(CONTROL_PORT, udp_socket=udp_socket, verbose=options.verbose) - asyncore.loop(LOOP_TIMEOUT) - - -if __name__ == '__main__': - try: - main() - except KeyboardInterrupt: - pass |