2020-02-21 16:56:03 -05:00

126 lines
4.1 KiB
Python
Executable File

#!%PYTHON_BANGPATH%
# pypad_xds.py
#
# Send CICs via UDP or serial
#
# (C) Copyright 2018-2020 Fred Gleason <fredg@paravelsystems.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import sys
import socket
import configparser
import serial
import time
import syslog
import pypad
#
# For supressing redundant 'now' updates
#
last_updates={}
def eprint(*args,**kwargs):
print(*args,file=sys.stderr,**kwargs)
def FilterField(string):
string=string.replace(' ','_')
string=string.replace(',','_')
string=string.replace('.','_')
string=string.replace('"',"'")
string=string.replace('%','-')
string=string.replace('*','-')
string=string.replace('+','-')
string=string.replace('/','-')
string=string.replace(':','-')
string=string.replace(';','-')
string=string.replace('<','-')
string=string.replace('=','-')
string=string.replace('>','-')
string=string.replace('?','-')
string=string.replace('@','-')
string=string.replace('[','-')
string=string.replace('\\','-')
string=string.replace(']','-')
string=string.replace('^','-')
string=string.replace('{','-')
string=string.replace('|','-')
string=string.replace('}','-')
return string
def ProcessPad(update):
try:
last_updates[update.machine()]
except KeyError:
last_updates[update.machine()]=None
n=1
section='Udp'+str(n)
while(update.config().has_section(section)):
if update.shouldBeProcessed(section) and update.hasPadType(pypad.TYPE_NOW) and update.hasService() and (last_updates[update.machine()] != update.startDateTimeString(pypad.TYPE_NOW)):
last_updates[update.machine()]=update.startDateTimeString(pypad.TYPE_NOW)
packet='0:'+update.serviceProgramCode()+':'+update.config().get(section,'IsciPrefix')+FilterField(update.padField(pypad.TYPE_NOW,pypad.FIELD_EXTERNAL_EVENT_ID))+':*'
update.syslog(syslog.LOG_INFO,'sending CIC update "'+packet+'"')
reps=range(1)
if(update.config().has_option(section,'Repetitions')):
reps=range(update.config().getint(section,'Repetitions'))
delay=0.1
if(update.config().has_option(section,'RepetitionDelay')):
delay=update.config().getfloat(section,'RepetitionDelay')/1000.0
for r in reps:
try:
#
# Use serial output
#
tty_dev=update.config().get(section,'TtyDevice')
speed=int(update.config().get(section,'TtySpeed'))
parity=serial.PARITY_NONE
dev=serial.Serial(tty_dev,speed,parity=parity,bytesize=8)
dev.write(packet.encode('utf-8'))
dev.close()
except configparser.NoOptionError:
#
# Use UDP output
#
send_sock.sendto(packet.encode('utf-8'),
(update.config().get(section,'IpAddress'),int(update.config().get(section,'UdpPort'))))
time.sleep(delay)
n=n+1
section='Udp'+str(n)
#
# 'Main' function
#
# Create Send Socket
#
send_sock=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
rcvr=pypad.Receiver()
try:
rcvr.setConfigFile(sys.argv[3])
except IndexError:
eprint('pypad_xds.py: USAGE: cmd <hostname> <port> <config>')
sys.exit(1)
rcvr.setPadCallback(ProcessPad)
rcvr.start(sys.argv[1],int(sys.argv[2]))