482 lines
17 KiB
Python
Executable File
482 lines
17 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2008-2011 Steve Glass
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#
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# Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Max H. Parke KA1RBI
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#
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# This file is part of OP25
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#
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# OP25 is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# OP25 is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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# License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with OP25; see the file COPYING. If not, write to the Free
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# Software Foundation, Inc., 51 Franklin Street, Boston, MA
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# 02110-1301, USA.
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import sys
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import curses
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import curses.textpad
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import time
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import json
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import threading
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import traceback
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import socket
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import op25
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from gnuradio import gr
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KEEPALIVE_TIME = 3.0 # no data received in (seconds)
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class q_watcher(threading.Thread):
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def __init__(self, msgq, callback, **kwds):
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threading.Thread.__init__ (self, **kwds)
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self.setDaemon(1)
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self.msgq = msgq
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self.callback = callback
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self.keep_running = True
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self.start()
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def run(self):
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while(self.keep_running):
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msg = self.msgq.delete_head()
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self.callback(msg)
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class curses_terminal(threading.Thread):
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def __init__(self, input_q, output_q, sock=None, **kwds):
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threading.Thread.__init__ (self, **kwds)
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self.setDaemon(1)
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self.input_q = input_q
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self.output_q = output_q
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self.keep_running = True
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self.last_update = 0
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self.auto_update = True
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self.current_nac = None
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self.maxx = 0
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self.maxy = 0
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self.sock = sock
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self.start()
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def setup_curses(self):
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self.stdscr = curses.initscr()
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self.maxy, self.maxx = self.stdscr.getmaxyx()
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if (self.maxy < 6) or (self.maxx < 60):
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sys.stderr.write("Terminal window too small! Minimum size [70 x 6], actual [%d x %d]\n" % (self.maxx, self.maxy))
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print ("Terminal window too small! Minimum size [70 x 6], actual [%d x %d]\n" % (self.maxx, self.maxy))
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self.keep_running = False
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return
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curses.noecho()
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curses.halfdelay(1)
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self.title_bar = curses.newwin(1, self.maxx, 0, 0)
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self.help_bar = curses.newwin(1, self.maxx, self.maxy-1, 0)
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self.top_bar = curses.newwin(1, self.maxx, 1, 0)
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self.freq_list = curses.newwin(self.maxy-5, self.maxx, 2, 0)
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self.active1 = curses.newwin(1, self.maxx-15, self.maxy-3, 0)
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self.active2 = curses.newwin(1, self.maxx-15, self.maxy-2, 0)
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self.status1 = curses.newwin(1, 15, self.maxy-3, self.maxx-15)
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self.status2 = curses.newwin(1, 15, self.maxy-2, self.maxx-15)
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self.prompt = curses.newwin(1, 10, self.maxy-1, 0)
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self.text_win = curses.newwin(1, 11, self.maxy-1, 10)
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self.textpad = curses.textpad.Textbox(self.text_win)
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self.stdscr.refresh()
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self.title_help()
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def resize_curses(self):
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self.maxy, self.maxx = self.stdscr.getmaxyx()
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if (self.maxx < 60) or (self.maxy < 6): # do not resize if window is now too small
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return
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self.stdscr.erase()
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self.title_bar.resize(1, self.maxx)
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self.help_bar.resize(1, self.maxx)
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self.help_bar.mvwin(self.maxy-1, 0)
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self.top_bar.resize(1, self.maxx)
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self.freq_list.resize(self.maxy-5, self.maxx)
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self.active1.resize(1, self.maxx-15)
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self.active1.mvwin(self.maxy-3, 0)
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self.active2.resize(1, self.maxx-15)
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self.active2.mvwin(self.maxy-2, 0)
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self.status1.resize(1, 15)
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self.status1.mvwin(self.maxy-3, self.maxx-15)
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self.status2.resize(1, 15)
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self.status2.mvwin(self.maxy-2, self.maxx-15)
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self.stdscr.refresh()
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self.title_help()
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def end_terminal(self):
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try:
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curses.endwin()
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except:
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pass
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def title_help(self):
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title_str = "OP25"
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help_str = "(f)req (h)old (s)kip (l)ock (q)uit"
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self.title_bar.erase()
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self.help_bar.erase()
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self.title_bar.addstr(0, 0, title_str.center(self.maxx-1, " "), curses.A_REVERSE)
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self.help_bar.addstr(0, 0, help_str.center(self.maxx-1, " "), curses.A_REVERSE)
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self.title_bar.refresh()
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self.help_bar.refresh()
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self.stdscr.move(1,0)
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self.stdscr.refresh()
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def do_auto_update(self):
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UPDATE_INTERVAL = 0.5 # sec.
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if not self.auto_update:
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return False
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if self.last_update + UPDATE_INTERVAL > time.time():
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return False
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self.last_update = time.time()
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return True
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def process_terminal_events(self):
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# return true signifies end of main event loop
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if curses.is_term_resized(self.maxy, self.maxx) is True:
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self.resize_curses()
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_ORD_S = ord('s')
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_ORD_L = ord('l')
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_ORD_H = ord('h')
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COMMANDS = {_ORD_S: 'skip', _ORD_L: 'lockout', _ORD_H: 'hold'}
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c = self.stdscr.getch()
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if c == ord('u') or self.do_auto_update():
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self.send_command('update', 0)
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if c in COMMANDS.keys():
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self.send_command(COMMANDS[c], 0)
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elif c == ord('q'):
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return True
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elif c == ord('t'):
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if self.current_nac:
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self.send_command('add_default_config', int(self.current_nac))
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elif c == ord('f'):
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self.prompt.addstr(0, 0, 'Frequency')
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self.prompt.refresh()
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self.text_win.erase()
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response = self.textpad.edit()
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self.prompt.erase()
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self.prompt.refresh()
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self.text_win.erase()
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self.text_win.refresh()
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self.title_help()
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try:
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freq = float(response)
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if freq < 10000:
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freq *= 1000000.0
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except:
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freq = None
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if freq:
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self.send_command('set_freq', freq)
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elif c == ord('H'):
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self.prompt.addstr(0, 0, 'Hold tgid')
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self.prompt.refresh()
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self.text_win.erase()
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response = self.textpad.edit()
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self.prompt.erase()
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self.prompt.refresh()
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self.text_win.erase()
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self.text_win.refresh()
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self.title_help()
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try:
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tgid = int(response)
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if (tgid < 0) or (tgid > 65535):
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tgid = 0
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except:
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tgid = 0
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self.send_command('hold', tgid)
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elif c == ord(','):
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self.send_command('adj_tune', -100)
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elif c == ord('.'):
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self.send_command('adj_tune', 100)
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elif c == ord('<'):
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self.send_command('adj_tune', -1200)
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elif c == ord('>'):
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self.send_command('adj_tune', 1200)
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elif (c >= ord('1') ) and (c <= ord('5')):
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self.send_command('toggle_plot', (c - ord('0')))
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elif c == ord('d'):
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self.send_command('dump_tgids', 0)
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elif c == ord('x'):
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assert 1 == 0
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return False
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def process_json(self, js):
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# return true signifies end of main event loop
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msg = json.loads(js)
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if msg['json_type'] == 'trunk_update':
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nacs = [x for x in msg.keys() if x.isnumeric() ]
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if not nacs:
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return
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if msg.get('nac'):
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current_nac = str(msg['nac'])
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else:
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times = {msg[nac]['last_tsbk']:nac for nac in nacs}
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current_nac = times[ sorted(times.keys(), reverse=True)[0] ]
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self.current_nac = current_nac
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s = 'NAC 0x%x' % (int(current_nac))
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s += ' WACN 0x%x' % (msg[current_nac]['wacn'])
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s += ' SYSID 0x%x' % (msg[current_nac]['sysid'])
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s += ' %f' % (msg[current_nac]['rxchan']/ 1000000.0)
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s += '/%f' % (msg[current_nac]['txchan']/ 1000000.0)
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s += ' tsbks %d' % (msg[current_nac]['tsbks'])
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freqs = sorted(msg[current_nac]['frequencies'].keys())
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s = s[:(self.maxx - 1)]
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self.top_bar.erase()
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self.top_bar.addstr(0, 0, s)
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self.top_bar.refresh()
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self.freq_list.erase()
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for i in range(len(freqs)):
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if i > (self.maxy - 6):
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break
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s=msg[current_nac]['frequencies'][freqs[i]]
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s = s[:(self.maxx - 1)]
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self.freq_list.addstr(i, 0, s)
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self.freq_list.refresh()
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self.status1.erase()
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if 'srcaddr' in msg:
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srcaddr = msg['srcaddr']
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if (srcaddr != 0) and (srcaddr != 0xffffff):
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s = '%d' % (srcaddr)
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s = s[:14]
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self.status1.addstr(0, (14-len(s)), s)
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self.status1.refresh()
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self.status2.erase()
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if 'encrypted' in msg:
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encrypted = msg['encrypted']
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if encrypted != 0:
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s = 'ENCRYPTED'
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self.status2.addstr(0, (14-len(s)), s, curses.A_REVERSE)
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self.status2.refresh()
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self.stdscr.refresh()
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elif msg['json_type'] == 'change_freq':
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s = 'Frequency %f' % (msg['freq'] / 1000000.0)
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if 'fine_tune' in msg and msg['fine_tune'] is not None:
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s +='(%d)' % msg['fine_tune']
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if msg['tgid'] is not None:
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s += ' Talkgroup ID %s' % (msg['tgid'])
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if msg['tdma'] is not None:
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s += ' TDMA Slot %s' % msg['tdma']
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s = s[:(self.maxx - 16)]
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self.active1.erase()
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self.active2.erase()
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self.active1.addstr(0, 0, s)
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self.active1.refresh()
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if msg['tag']:
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s = msg['tag']
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s = s[:(self.maxx - 16)]
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self.active2.addstr(0, 0, s)
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self.active2.refresh()
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self.stdscr.refresh()
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return False
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def process_q_events(self):
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# return true signifies end of main event loop
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while True:
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if curses.is_term_resized(self.maxy, self.maxx) is True:
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self.resize_curses()
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if self.input_q.empty_p():
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break
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msg = self.input_q.delete_head_nowait()
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if msg.type() == -4:
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return self.process_json(msg.to_string())
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return False
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def send_command(self, command, data):
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if self.sock:
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self.sock.send(json.dumps({'command': command, 'data': data}))
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else:
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msg = gr.message().make_from_string(command, -2, data, 0)
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self.output_q.insert_tail(msg)
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def run(self):
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try:
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self.setup_curses()
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while(self.keep_running):
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if self.process_terminal_events():
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break
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if self.process_q_events():
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break
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except:
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sys.stderr.write('terminal: exception occurred (%d, %d)\n' % (self.maxx, self.maxy))
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sys.stderr.write('terminal: exception:\n%s\n' % traceback.format_exc())
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finally:
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self.end_terminal()
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self.keep_running = False
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self.send_command('quit', 0)
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class zeromq_terminal(threading.Thread):
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def __init__(self, input_q, output_q, endpoint, **kwds):
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import zmq
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threading.Thread.__init__ (self, **kwds)
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self.setDaemon(1)
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self.input_q = input_q
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self.output_q = output_q
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self.endpoint = endpoint
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self.keep_running = True
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if not endpoint.startswith('tcp:'):
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sys.stderr.write('zeromq_terminal unsupported endpoint: %s\n' % endpoint)
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return
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port = endpoint.replace('tcp:', '')
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port = int(port)
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self.zmq_context = zmq.Context()
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self.zmq_sub = self.zmq_context.socket(zmq.SUB)
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self.zmq_sub.connect('tcp://localhost:%d' % (port+1))
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self.zmq_sub.setsockopt(zmq.SUBSCRIBE, '')
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self.zmq_pub = self.zmq_context.socket(zmq.PUB)
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self.zmq_pub.sndhwm = 5
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self.zmq_pub.bind('tcp://*:%d' % port)
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self.queue_watcher = q_watcher(self.input_q, lambda msg : self.zmq_pub.send(msg.to_string()))
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self.start()
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def end_terminal(self):
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self.keep_running = False
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def run(self):
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while self.keep_running:
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js = self.zmq_sub.recv()
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if not self.keep_running:
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break
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d = json.loads(js)
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msg = gr.message().make_from_string(str(d['command']), d['msgtype'], d['data'], 0)
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if self.output_q.full_p():
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self.output_q.delete_head()
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if not self.output_q.full_p():
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self.output_q.insert_tail(msg)
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class http_terminal(threading.Thread):
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def __init__(self, input_q, output_q, endpoint, **kwds):
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from http_server import http_server
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threading.Thread.__init__ (self, **kwds)
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self.setDaemon(1)
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self.input_q = input_q
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self.output_q = output_q
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self.endpoint = endpoint
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self.keep_running = True
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self.server = http_server(self.input_q, self.output_q, self.endpoint)
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self.start()
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def end_terminal(self):
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self.keep_running = False
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def run(self):
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self.server.run()
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class udp_terminal(threading.Thread):
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def __init__(self, input_q, output_q, port, **kwds):
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threading.Thread.__init__ (self, **kwds)
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self.setDaemon(1)
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self.input_q = input_q
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self.output_q = output_q
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self.keep_running = True
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self.port = port
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self.remote_ip = '127.0.0.1'
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self.remote_port = 0
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self.keepalive_until = 0
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self.setup_socket(port)
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self.q_handler = q_watcher(self.input_q, self.process_qmsg)
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self.start()
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def setup_socket(self, port):
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self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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self.sock.bind(('0.0.0.0', port))
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def process_qmsg(self, msg):
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if time.time() >= self.keepalive_until:
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return
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s = msg.to_string()
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if msg.type() == -4 and self.remote_port > 0:
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self.sock.sendto(s, (self.remote_ip, self.remote_port))
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def end_terminal(self):
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self.keep_running = False
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def run(self):
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while self.keep_running:
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data, addr = self.sock.recvfrom(2048)
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data = json.loads(data)
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if data['command'] == 'quit':
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self.keepalive_until = 0
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continue
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msg = gr.message().make_from_string(str(data['command']), -2, data['data'], 0)
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self.output_q.insert_tail(msg)
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self.remote_ip = addr[0]
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self.remote_port = addr[1]
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self.keepalive_until = time.time() + KEEPALIVE_TIME
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def op25_terminal(input_q, output_q, terminal_type):
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if terminal_type == 'curses':
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return curses_terminal(input_q, output_q)
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elif terminal_type.startswith('zmq:'):
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return zeromq_terminal(input_q, output_q, terminal_type.replace('zmq:', ''))
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elif terminal_type[0].isdigit():
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port = int(terminal_type)
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return udp_terminal(input_q, output_q, port)
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elif terminal_type.startswith('http:'):
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return http_terminal(input_q, output_q, terminal_type.replace('http:', ''))
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else:
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sys.stderr.write('warning: unsupported terminal type: %s\n' % terminal_type)
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return None
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class terminal_client(object):
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def __init__(self):
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self.input_q = gr.msg_queue(10)
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self.keep_running = True
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self.terminal = None
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ip_addr = sys.argv[1]
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port = int(sys.argv[2])
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self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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self.sock.connect((ip_addr, port))
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self.sock.settimeout(0.1)
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self.terminal = curses_terminal(self.input_q, None, sock=self.sock)
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def run(self):
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while self.keep_running:
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try:
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js, addr = self.sock.recvfrom(2048)
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msg = gr.message().make_from_string(js, -4, 0, 0)
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self.input_q.insert_tail(msg)
|
|
except socket.timeout:
|
|
pass
|
|
except:
|
|
raise
|
|
if not self.terminal.keep_running:
|
|
self.keep_running = False
|
|
|
|
if __name__ == '__main__':
|
|
terminal = None
|
|
try:
|
|
terminal = terminal_client()
|
|
terminal.run()
|
|
except:
|
|
sys.stderr.write('terminal: exception occurred\n')
|
|
sys.stderr.write('terminal: exception:\n%s\n' % traceback.format_exc())
|
|
finally:
|
|
if terminal is not None and terminal.terminal is not None:
|
|
terminal.terminal.end_terminal()
|