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#!/usr/bin/env python
#
# Copyright 2012 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 sys, subprocess, re, signal, time, atexit, os
from gnuradio import gr
class monitor:
def __init__(self,tool="gr-ctrlport-monitor"):
print "ControlPort Monitor running."
self.started = False
self.tool = tool
atexit.register(self.shutdown)
try:
# setup export prefs
gr.prefs().singleton().set_bool("ControlPort","on",True);
if(tool == "gr-ctrlport-monitor"):
gr.prefs().singleton().set_bool("ControlPort","edges_list",True);
gr.prefs().singleton().set_bool("PerfCounters","on",True);
gr.prefs().singleton().set_bool("PerfCounters","export",True);
except:
print "no support for gr.prefs setting"
def __del__(self):
if(self.started):
self.stop()
def start(self):
print "monitor::endpoints() = %s" % (gr.rpcmanager_get().endpoints())
try:
cmd = map(lambda a: [self.tool,
re.search("\d+\.\d+\.\d+\.\d+",a).group(0),
re.search("-p (\d+)",a).group(1)],
gr.rpcmanager_get().endpoints())[0]
print "running: %s"%(str(cmd))
self.proc = subprocess.Popen(cmd);
self.started = True
except:
self.proc = None
print "failed to to start ControlPort Monitor on specified port"
def stop(self):
if(self.proc):
if(self.proc.returncode == None):
print "\tcalling stop on shutdown"
self.proc.terminate()
else:
print "\tno proc to shut down, exiting"
def shutdown(self):
print "ctrlport.monitor received shutdown signal"
if(self.started):
self.stop()
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