/usr/bin/gr-ctrlport-curses is in gnuradio 3.7.2.1-5.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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#
# 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 threading
import curses
import os, sys, time
from optparse import OptionParser
import Ice
from gnuradio.ctrlport import GNURadio
ENTER = chr(10)
UP_ARROW = chr(65)
DOWN_ARROW = chr(66)
class modem_monitor(threading.Thread):
def __init__(self, cb_live, cb_exit, interface):
threading.Thread.__init__(self)
self.cb_live = cb_live
self.cb_exit = cb_exit
self.running = True
def __del__(self):
rx.close()
def run(self):
while self.running:
time.sleep(0.5)
def shutdown(self):
self.running = False
self.rx.close()
def cb(self,contents):
(op, sep, payload) = contents.partition(":")
if(op == "live"):
print "live"
self.cb_live(payload)
elif(op == "exit"):
self.cb_exit(payload)
else:
print "unknown op arrived! garbage on multicast adx?"
class modem_window(threading.Thread):
def __init__(self, locator):
threading.Thread.__init__(self)
self.locator = locator
# curses init
self.win = curses.newwin(30,100,4,4)
# Ice/GRCP init
self.comm = Ice.initialize()
proxy = self.comm.stringToProxy(locator)
self.radio = GNURadio.ControlPortPrx.checkedCast(proxy)
self.updateKnobs()
# GUI init
self.running = True
self.ssel = 0
self.start()
#self.updateGUI()
# input loop
while(self.running):
self.getInput()
# wait for update thread exit
self.join()
def updateKnobs(self):
self.knobs = self.radio.get([])
def getInput(self):
a = self.win.getch()
if(a <= 256):
a = chr(a)
if(a == 'q'):
self.running = False
elif(a == UP_ARROW):
self.ssel = max(self.ssel-1, 0)
self.updateGUI()
elif(a == DOWN_ARROW):
self.ssel = max(min(self.ssel+1, len(self.knobs.keys())-1),0)
self.updateGUI()
self.updateGUI()
def updateGUI(self):
self.win.clear()
self.win.border(0)
self.win.addstr(1, 2, "Modem Statistics :: %s"%(self.locator))
self.win.addstr(2, 2, "---------------------------------------------------")
maxnb = 0
maxk = 0
for k in self.knobs.keys():
(nb,k) = k.split("::", 2)
maxnb = max(maxnb,len(nb))
maxk = max(maxk,len(k))
offset = 3
keys = self.knobs.keys()
keys.sort()
for k in keys:
(nb,sk) = k.split("::", 2)
v = self.knobs[k].value
sv = str(v)
if(len(sv) > 20):
sv = sv[0:20]
props = 0
if(self.ssel == offset-3):
props = props | curses.A_REVERSE
self.win.addstr(offset, 2, "%s %s %s" % \
(nb.rjust(maxnb," "), sk.ljust(maxk," "), sv),props)
offset = offset + 1
self.win.refresh()
def run(self):
while(self.running):
self.updateKnobs()
self.updateGUI()
time.sleep(1)
class monitor_gui:
def __init__(self, interfaces, options):
locator = None
# Extract options into a locator
if(options.host and options.port):
locator = "{0} -t:{1} -h {2} -p {3}".format(
options.app, options.protocol,
options.host, options.port)
# Set up GUI
self.locators = {}
self.mode = 0 # modem index screen (modal keyboard input)
self.lsel = 0 # selected locator
self.scr = curses.initscr()
self.updateGUI()
# Kick off initial monitors
self.monitors = []
for i in interfaces:
self.monitors.append( modem_monitor(self.addModem, self.delModem, i) )
self.monitors[-1].start()
if not ((locator == None) or (locator == "")):
self.addModem(locator)
# wait for user input
while(True):
self.getInput()
def addModem(self, locator):
if(not self.locators.has_key(locator)):
self.locators[locator] = {}
self.locators[locator]["update_time"] = time.time()
self.locators[locator]["status"] = "live"
self.updateGUI();
def delModem(self, locator):
#if(self.locators.has_key(locator)):
if(not self.locators.has_key(locator)):
self.locators[locator] = {}
self.locators[locator]["update_time"] = time.time()
self.locators[locator]["status"] = "exit"
self.updateGUI()
def updateGUI(self):
if(self.mode == 0): #redraw locators
self.scr.clear()
self.scr.border(0)
self.scr.addstr(1, 2, " GRCP-Curses Modem Monitor :: (A)dd (R)efresh, (Q)uit, ...")
for i in range(len(self.locators.keys())):
locator = self.locators.keys()[i]
lhash = self.locators[locator]
#self.scr.addstr(3+i, 5, locator + str(lhash))
props = 0
if(self.lsel == i):
props = props | curses.A_REVERSE
self.scr.addstr(3+i, 5, locator + str(lhash), props)
self.scr.refresh()
def connectGUI(self):
self.scr.clear()
self.scr.addstr(1, 1, "Connect to radio:")
locator = self.scr.getstr(200)
self.addModem(locator)
self.updateGUI()
def getInput(self):
a = self.scr.getch()
self.scr.addstr(20, 2, "got key (%d) " % (int(a)))
if(a <= 256):
a = chr(a)
if(a =='r'):
self.updateGUI()
elif(a == 'q'):
self.shutdown()
elif(a == 'a'):
self.connectGUI()
elif(a == UP_ARROW):
self.lsel = max(self.lsel-1, 0)
self.updateGUI()
elif(a == DOWN_ARROW):
self.lsel = max(min(self.lsel+1, len(self.locators.keys())-1),0)
self.updateGUI()
elif(a == ENTER):
try:
locator = self.locators.keys()[self.lsel]
self.mode = 1
mwin = modem_window(locator)
self.mode = 0
# pop up a new modem display ...
self.updateGUI()
except:
pass
def shutdown(self):
curses.endwin()
os._exit(0)
if __name__ == "__main__":
parser = OptionParser()
parser.add_option("-H", "--host", type="string",
help="Hostname of ControlPort server.")
parser.add_option("-p", "--port", type="int",
help="Port number of host's ControlPort endpoint.")
parser.add_option("-i", "--interfaces", type="string",
action="append", default=["lo"],
help="Interfaces to use. [default=%default]")
parser.add_option("-P", "--protocol", type="string", default="tcp",
help="Type of protocol to use (usually tcp). [default=%default]")
parser.add_option("-a", "--app", type="string", default="gnuradio",
help="Name of application [default=%default]")
(options, args) = parser.parse_args()
if((options.host == None) ^ (options.port == None)):
print "Please set both a hostname and a port number.\n"
parser.print_help()
sys.exit(1)
mg = monitor_gui(options.interfaces, options)
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