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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.
#
from __future__ import print_function
from __future__ import unicode_literals
import sys, subprocess, re, signal, time, atexit, os
from gnuradio import gr
class monitor(object):
def __init__(self,tool="gr-ctrlport-monitor"):
print("ControlPort Monitor running.")
self.started = False
self.tool = tool
atexit.register(self.shutdown)
# setup export prefs
gr.prefs().singleton().set_bool("ControlPort","on",True)
if(tool == "gr-perf-monitorx"):
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)
def start(self):
try:
print("monitor::endpoints() = %s" % (gr.rpcmanager_get().endpoints()))
ep = gr.rpcmanager_get().endpoints()[0]
cmd = [self.tool, re.search(r"-h (\S+|\d+\.\d+\.\d+\.\d+)", ep).group(1), re.search(r"-p (\d+)", ep).group(1)]
print("running: %s"%(str(cmd)))
self.proc = subprocess.Popen(cmd)
self.started = True
except:
self.proc = None
print("Failed to to connect to ControlPort. Please make sure that you have Thrift installed and check your firewall rules.")
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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