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hbnet/data_gateway.py

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#!/usr/bin/env python3
#
###############################################################################
# HBLink - Copyright (C) 2020 Cortney T. Buffington, N0MJS <n0mjs@me.com>
# GPS/Data - Copyright (C) 2020 Eric Craw, KF7EEL <kf7eel@qsl.net>
# Annotated modifications Copyright (C) 2021 Xavier FRS2013
#
# This program 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 of the License, or
# (at your option) any later version.
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
###############################################################################
'''
This is a data application. It decodes and reassambles DMR GPS packets and
uploads them to APRS-IS. Also does miscelaneous SMS functions.
'''
# Python modules we need
import sys
from bitarray import bitarray
from time import time, strftime
from importlib import import_module
# Twisted is pretty important, so I keep it separate
from twisted.internet.protocol import Factory, Protocol
from twisted.protocols.basic import NetstringReceiver
from twisted.internet import reactor, task
# Things we import from the main hblink module
from hblink import HBSYSTEM, OPENBRIDGE, systems, hblink_handler, reportFactory, REPORT_OPCODES, mk_aliases, config_reports
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from dmr_utils3.utils import bytes_3, int_id, get_alias, bytes_4
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from dmr_utils3 import decode, bptc, const
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import data_gateway_config
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import log
from const import *
# Stuff for socket reporting
import pickle
# REMOVE LATER from datetime import datetime
# The module needs logging, but handlers, etc. are controlled by the parent
import logging
logger = logging.getLogger(__name__)
#### Modules for data gateway ###
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# modules from DATA_CONFIG.py
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from bitarray import bitarray
from binascii import b2a_hex as ahex
import re
##from binascii import a2b_hex as bhex
import aprslib
import datetime
from bitarray.util import ba2int as ba2num
from bitarray.util import ba2hex as ba2hx
import codecs
#Needed for working with NMEA
import pynmea2
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# Used with HTTP POST
from hashlib import sha256
import json, requests
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# Modules for executing commands/scripts
import os
##from gps_functions import cmd_list
# Module for maidenhead grids
try:
import maidenhead as mh
except:
logger.info('Error importing maidenhead module, make sure it is installed.')
# Module for sending email
try:
import smtplib
except:
logger.info('Error importing smtplib module, make sure it is installed.')
#Modules for APRS settings
import ast
from pathlib import Path
# Used for APRS
import threading
# Used for SMS encoding
import libscrc
import random
from bitarray.util import hex2ba as hex2bits
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import traceback
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#################################
# Does anybody read this stuff? There's a PEP somewhere that says I should do this.
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__author__ = 'Cortney T. Buffington, N0MJS, Eric Craw, KF7EEL, kf7eel@qsl.net'
__copyright__ = 'Copyright (c) 2016-2019 Cortney T. Buffington, N0MJS and the K0USY Group, Copyright (c) 2020-2021, Eric Craw, KF7EEL'
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__credits__ = 'Colin Durbridge, G4EML, Steve Zingman, N4IRS; Mike Zingman, N4IRR; Jonathan Naylor, G4KLX; Hans Barthen, DL5DI; Torsten Shultze, DG1HT'
__license__ = 'GNU GPLv3'
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__maintainer__ = 'Eric Craw, KF7EEL'
__email__ = 'kf7eel@qsl.net'
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def ping(CONFIG):
user_man_url = CONFIG['WEB_SERVICE']['URL']
shared_secret = str(sha256(CONFIG['WEB_SERVICE']['SHARED_SECRET'].encode()).hexdigest())
ping_data = {
'ping': CONFIG['WEB_SERVICE']['THIS_SERVER_NAME'],
'secret':shared_secret
}
json_object = json.dumps(ping_data, indent = 4)
try:
req = requests.post(user_man_url, data=json_object, headers={'Content-Type': 'application/json'})
## resp = json.loads(req.text)
## print(resp)
## return resp['rules']
except requests.ConnectionError:
logger.error('Config server unreachable')
## return config.build_config(cli_file)
def send_dash_loc(CONFIG, call, lat, lon, time, comment, dmr_id):
user_man_url = CONFIG['WEB_SERVICE']['URL']
shared_secret = str(sha256(CONFIG['WEB_SERVICE']['SHARED_SECRET'].encode()).hexdigest())
ping_data = {
'dashboard': CONFIG['WEB_SERVICE']['THIS_SERVER_NAME'],
'secret':shared_secret,
'call': call,
'lat' : lat,
'lon' : lon,
'comment' : comment,
'dmr_id' : dmr_id
}
json_object = json.dumps(ping_data, indent = 4)
try:
req = requests.post(user_man_url, data=json_object, headers={'Content-Type': 'application/json'})
## resp = json.loads(req.text)
## print(resp)
## return resp['rules']
except requests.ConnectionError:
logger.error('Config server unreachable')
## return config.build_config(cli_file)
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##################################################################################################
# Headers for GPS by model of radio:
# AT-D878 - Compressed UDP
# MD-380 - Unified Data Transport
hdr_type = ''
btf = -1
ssid = ''
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UNIT_MAP = {}
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PACKET_MATCH = {}
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# From dmr_utils3, modified to decode entire packet. Works for 1/2 rate coded data.
def decode_full(_data):
binlc = bitarray(endian='big')
binlc.extend([_data[136],_data[121],_data[106],_data[91], _data[76], _data[61], _data[46], _data[31]])
binlc.extend([_data[152],_data[137],_data[122],_data[107],_data[92], _data[77], _data[62], _data[47], _data[32], _data[17], _data[2] ])
binlc.extend([_data[123],_data[108],_data[93], _data[78], _data[63], _data[48], _data[33], _data[18], _data[3], _data[184],_data[169]])
binlc.extend([_data[94], _data[79], _data[64], _data[49], _data[34], _data[19], _data[4], _data[185],_data[170],_data[155],_data[140]])
binlc.extend([_data[65], _data[50], _data[35], _data[20], _data[5], _data[186],_data[171],_data[156],_data[141],_data[126],_data[111]])
binlc.extend([_data[36], _data[21], _data[6], _data[187],_data[172],_data[157],_data[142],_data[127],_data[112],_data[97], _data[82] ])
binlc.extend([_data[7], _data[188],_data[173],_data[158],_data[143],_data[128],_data[113],_data[98], _data[83]])
#This is the rest of the Full LC data -- the RS1293 FEC that we don't need
# This is extremely important for SMS and GPS though.
binlc.extend([_data[68],_data[53],_data[174],_data[159],_data[144],_data[129],_data[114],_data[99],_data[84],_data[69],_data[54],_data[39]])
binlc.extend([_data[24],_data[145],_data[130],_data[115],_data[100],_data[85],_data[70],_data[55],_data[40],_data[25],_data[10],_data[191]])
return binlc
n_packet_assembly = 0
packet_assembly = ''
final_packet = ''
#Convert DMR packet to binary from MMDVM packet and remove Slot Type and EMB Sync stuff to allow for BPTC 196,96 decoding
def bptc_decode(_data):
binary_packet = bitarray(decode.to_bits(_data[20:]))
del binary_packet[98:166]
return decode_full(binary_packet)
# Placeholder for future header id
def header_ID(_data):
hex_hdr = str(ahex(bptc_decode(_data)))
return hex_hdr[2:6]
# Work in progress, used to determine data format
## pass
def aprs_send(packet):
if 'N0CALL' in aprs_callsign:
logger.info('APRS callsighn set to N0CALL, packet not sent.')
pass
else:
AIS.sendall(packet)
logger.info('Packet sent to APRS-IS.')
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def dashboard_loc_write(call, lat, lon, time, comment, dmr_id):
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if CONFIG['WEB_SERVICE']['REMOTE_CONFIG_ENABLED'] == True:
send_dash_loc(CONFIG, call, lat, lon, time, comment, dmr_id)
else:
dash_entries = ast.literal_eval(os.popen('cat ' + loc_file).read())
dash_entries.insert(0, {'call': call, 'lat': lat, 'lon': lon, 'time':time, 'comment':comment})
# Clear old entries
list_index = 0
call_count = 0
new_dash_entries = []
for i in dash_entries:
if i['call'] == call:
if call_count >= 25:
pass
else:
new_dash_entries.append(i)
call_count = call_count + 1
if call != i['call']:
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new_dash_entries.append(i)
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pass
list_index = list_index + 1
with open(loc_file, 'w') as user_loc_file:
user_loc_file.write(str(new_dash_entries[:500]))
user_loc_file.close()
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logger.info('User location saved for dashboard')
#logger.info(dash_entries)
def dashboard_bb_write(call, dmr_id, time, bulletin):
#try:
dash_bb = ast.literal_eval(os.popen('cat ' + bb_file).read())
# except:
# dash_entries = []
dash_bb.insert(0, {'call': call, 'dmr_id': dmr_id, 'time': time, 'bulletin':bulletin})
with open(bb_file, 'w') as user_bb_file:
user_bb_file.write(str(dash_bb[:20]))
user_bb_file.close()
logger.info('User bulletin entry saved.')
#logger.info(dash_bb)
def dashboard_sms_write(snd_call, rcv_call, rcv_dmr_id, snd_dmr_id, sms, time):
#try:
dash_sms = ast.literal_eval(os.popen('cat ' + sms_file).read())
# except:
# dash_entries = []
dash_sms.insert(0, {'snd_call': snd_call, 'rcv_call':rcv_call, 'snd_dmr_id': snd_dmr_id, 'rcv_dmr_id':rcv_dmr_id, 'time': time, 'sms':sms})
with open(sms_file, 'w') as user_sms_file:
user_sms_file.write(str(dash_sms[:25]))
user_sms_file.close()
logger.info('User SMS entry saved.')
def mailbox_write(call, dmr_id, time, message, recipient):
#try:
mail_file = ast.literal_eval(os.popen('cat ' + the_mailbox_file).read())
mail_file.insert(0, {'call': call, 'dmr_id': dmr_id, 'time': time, 'message':message, 'recipient': recipient})
with open(the_mailbox_file, 'w') as mailbox_file:
mailbox_file.write(str(mail_file[:100]))
mailbox_file.close()
logger.info('User mail saved.')
def mailbox_delete(dmr_id):
mail_file = ast.literal_eval(os.popen('cat ' + the_mailbox_file).read())
call = str(get_alias((dmr_id), subscriber_ids))
new_data = []
for message in mail_file:
if message['recipient'] != call:
new_data.append(message)
with open(the_mailbox_file, 'w') as mailbox_file:
mailbox_file.write(str(new_data[:100]))
mailbox_file.close()
logger.info('Mailbox updated. Delete occurred.')
def sos_write(dmr_id, time, message):
user_settings = ast.literal_eval(os.popen('cat ' + user_settings_file).read())
try:
if user_settings[dmr_id][1]['ssid'] == '':
sos_call = user_settings[dmr_id][0]['call'] + '-' + user_ssid
else:
sos_call = user_settings[dmr_id][0]['call'] + '-' + user_settings[dmr_id][1]['ssid']
except:
sos_call = str(get_alias((dmr_id), subscriber_ids))
sos_info = {'call': sos_call, 'dmr_id': dmr_id, 'time': time, 'message':message}
with open(emergency_sos_file, 'w') as sos_file:
sos_file.write(str(sos_info))
sos_file.close()
logger.info('Saved SOS.')
def send_app_request(url, message, source_id):
#url = url + '/app'
#Load current AUTH token list
auth_file = ast.literal_eval(os.popen('cat ' + auth_token_file).read())
the_token = str(hashlib.md5(str(time()).encode('utf-8')).hexdigest())
new_auth_file = auth_file
new_auth_file.append(the_token)
# Write new list to file
with open(auth_token_file, 'w') as auth_token:
auth_token.write(str(auth_file))
auth_token.close()
app_request = {
'mode':'app',
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'system_shortcut':CONFIG['DATA_CONFIG']['MY_SERVER_SHORTCUT'],
'server_name':CONFIG['DATA_CONFIG']['SERVER_NAME'],
'response_url':CONFIG['DATA_CONFIG']['DASHBOARD_URL'] + '/api',
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'auth_token':the_token,
'data':{
'source_id':source_id,
'slot':0,
'msg_type':'unit',
'msg_format':'motorola',
'message':message
}
}
json_object = json.dumps(app_request, indent = 4)
print(json_object)
requests.post(url, data=json_object, headers={'Content-Type': 'application/json'})
def send_msg_xfer(url, user, password, message, source_id, dest_id):
url = url + '/api/msg_xfer'
msg_xfer = {
'mode':'msg_xfer',
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'system_shortcut':CONFIG['DATA_CONFIG']['MY_SERVER_SHORTCUT'],
'response_url':CONFIG['DATA_CONFIG']['DASHBOARD_URL'] + '/api',
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'auth_type':'private',
'credentials': {
'user':user,
'password':password,
},
'data':{
1:{'source_id':source_id,
'destination_id':dest_id,
'slot':0,
'msg_type':'unit',
'msg_format':'motorola',
'message':message
}
}
}
json_object = json.dumps(msg_xfer, indent = 4)
requests.post(url, data=json_object, headers={'Content-Type': 'application/json'})
# Send email via SMTP function
def send_email(to_email, email_subject, email_message):
global smtp_server
sender_address = email_sender
account_password = email_password
smtp_server = smtplib.SMTP_SSL(smtp_server, int(smtp_port))
smtp_server.login(sender_address, account_password)
message = "From: " + aprs_callsign + " D-APRS Gateway\nTo: " + to_email + "\nContent-type: text/html\nSubject: " + email_subject + "\n\n" + '<strong>' + email_subject + '</strong><p>&nbsp;</p><h3>' + email_message + '</h3><p>&nbsp;</p><p>This message was sent to you from a D-APRS gateway operated by <strong>' + aprs_callsign + '</strong>. Do not reply as this gateway is only one way at this time.</p>'
smtp_server.sendmail(sender_address, to_email, message)
smtp_server.close()
def generate_apps():
global access_systems
#local_apps = ast.literal_eval(os.popen('cat ' + access_systems_file).read())
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public_systems_file = requests.get(CONFIG['DATA_CONFIG']['PUBLIC_APPS_LIST'])
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public_apps = ast.literal_eval(public_systems_file.text)
access_systems = {}
#combined = public_apps.items() + local_acess_systems.items()
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if CONFIG['DATA_CONFIG']['USE_PUBLIC_APPS'] == True:
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for i in public_apps.items():
key = str(i[0])
access_systems[key] = i[1]
for i in local_apps.items():
key = str(i[0])
access_systems[key] = i[1]
print(access_systems)
return access_systems
# Thanks for this forum post for this - https://stackoverflow.com/questions/2579535/convert-dd-decimal-degrees-to-dms-degrees-minutes-seconds-in-python
def decdeg2dms(dd):
is_positive = dd >= 0
dd = abs(dd)
minutes,seconds = divmod(dd*3600,60)
degrees,minutes = divmod(minutes,60)
degrees = degrees if is_positive else -degrees
return (degrees,minutes,seconds)
def user_setting_write(dmr_id, setting, value, call_type):
## try:
# Open file and load as dict for modification
logger.info(setting.upper())
with open(user_settings_file, 'r') as f:
## if f.read() == '{}':
## user_dict = {}
user_dict = ast.literal_eval(f.read())
logger.info('Current settings: ' + str(user_dict))
if dmr_id not in user_dict:
user_dict[dmr_id] = [{'call': str(get_alias((dmr_id), subscriber_ids))}, {'ssid': ''}, {'icon': ''}, {'comment': ''}, {'pin': ''}, {'APRS': False}]
if setting.upper() == 'ICON':
user_dict[dmr_id][2]['icon'] = value
if setting.upper() == 'SSID':
user_dict[dmr_id][1]['ssid'] = value
if setting.upper() == 'COM':
user_comment = user_dict[dmr_id][3]['comment'] = value[0:35]
if setting.upper() == 'APRS ON':
user_dict[dmr_id][5] = {'APRS': True}
if call_type == 'unit':
send_sms(False, dmr_id, 0000, 0000, 'unit', 'APRS MSG TX/RX Enabled')
if call_type == 'vcsbk':
send_sms(False, 9, 0000, 0000, 'group', 'APRS MSG TX/RX Enabled')
if setting.upper() == 'APRS OFF':
user_dict[dmr_id][5] = {'APRS': False}
if call_type == 'unit':
send_sms(False, dmr_id, 0000, 0000, 'unit', 'APRS MSG TX/RX Disabled')
if call_type == 'vcsbk':
send_sms(False, 9, 0000, 0000, 'group', 'APRS MSG TX/RX Disabled')
if setting.upper() == 'PIN':
#try:
#if user_dict[dmr_id]:
user_dict[dmr_id][4]['pin'] = value
if call_type == 'unit':
send_sms(False, dmr_id, 0000, 0000, 'unit', 'You can now use your pin on the dashboard.')
if call_type == 'vcsbk':
send_sms(False, 9, 0000, 0000, 'group', 'You can now use your pin on the dashboard.')
#if not user_dict[dmr_id]:
# user_dict[dmr_id] = [{'call': str(get_alias((dmr_id), subscriber_ids))}, {'ssid': ''}, {'icon': ''}, {'comment': ''}, {'pin': pin}]
#except:
# user_dict[dmr_id].append({'pin': value})
f.close()
logger.info('Loaded user settings. Write changes.')
# Write modified dict to file
with open(user_settings_file, 'w') as user_dict_file:
user_dict_file.write(str(user_dict))
user_dict_file.close()
logger.info('User setting saved')
f.close()
packet_assembly = ''
# Process SMS, do something bases on message
def process_sms(_rf_src, sms, call_type):
logger.info(call_type)
parse_sms = sms.split(' ')
logger.info(parse_sms)
if parse_sms[0] == 'ID':
logger.info(str(get_alias(int_id(_rf_src), subscriber_ids)) + ' - ' + str(int_id(_rf_src)))
if call_type == 'unit':
send_sms(False, int_id(_rf_src), 0000, 0000, 'unit', 'Your DMR ID: ' + str(int_id(_rf_src)) + ' - ' + str(get_alias(int_id(_rf_src), subscriber_ids)))
if call_type == 'vcsbk':
send_sms(False, 9, 0000, 0000, 'group', 'Your DMR ID: ' + str(int_id(_rf_src)) + ' - ' + str(get_alias(int_id(_rf_src), subscriber_ids)))
elif parse_sms[0] == 'TEST':
logger.info('It works!')
if call_type == 'unit':
send_sms(False, int_id(_rf_src), 0000, 0000, 'unit', 'It works')
if call_type == 'vcsbk':
send_sms(False, 9, 0000, 0000, 'group', 'It works')
elif '@ICON' in parse_sms[0]:
user_setting_write(int_id(_rf_src), re.sub(' .*|@','',sms), re.sub('@ICON| ','',sms), call_type)
elif '@SSID' in parse_sms[0]:
user_setting_write(int_id(_rf_src), re.sub(' .*|@','',sms), re.sub('@SSID| ','',sms), call_type)
elif '@COM' in parse_sms[0]:
user_setting_write(int_id(_rf_src), re.sub(' .*|@','',sms), re.sub('@COM |@COM','',sms), call_type)
elif '@PIN' in parse_sms[0]:
user_setting_write(int_id(_rf_src), re.sub(' .*|@','',sms), int(re.sub('@PIN |@PIN','',sms)), call_type)
# Write blank entry to cause APRS receive to look for packets for this station.
elif '@APRS ON' in sms or '@APRS on' in sms:
user_setting_write(int_id(_rf_src), 'APRS ON', True, call_type)
elif '@APRS OFF' in sms or '@APRS off' in sms:
user_setting_write(int_id(_rf_src), 'APRS OFF', False, call_type)
elif '@BB' in sms:
dashboard_bb_write(get_alias(int_id(_rf_src), subscriber_ids), int_id(_rf_src), time(), re.sub('@BB|@BB ','',sms))
elif '@' in parse_sms[0][1:] and '.' in parse_sms[0]: # and ' E-' in sms:
s = ' '
email_message = s.join(parse_sms[1:])#str(re.sub('.*@|.* E-', '', sms))
to_email = parse_sms[0]#str(re.sub(' E-.*', '', sms))
email_subject = 'New message from ' + str(get_alias(int_id(_rf_src), subscriber_ids))
logger.info('Email to: ' + to_email)
logger.info('Message: ' + email_message)
try:
send_email(to_email, email_subject, email_message)
logger.info('Email sent.')
except Exception as error_exception:
logger.info('Failed to send email.')
logger.info(error_exception)
logger.info(str(traceback.extract_tb(error_exception.__traceback__)))
elif '@SOS' in sms or '@NOTICE' in sms:
sos_write(int_id(_rf_src), time(), sms)
elif '@REM SOS' == sms:
os.remove(emergency_sos_file)
logger.info('Removing SOS or Notice')
elif '@' in parse_sms[0][0:1] and 'M-' in parse_sms[1][0:2]:
message = re.sub('^@|.* M-|','',sms)
recipient = re.sub('@| M-.*','',sms)
mailbox_write(get_alias(int_id(_rf_src), subscriber_ids), int_id(_rf_src), time(), message, str(recipient).upper())
elif '@REM MAIL' == sms:
mailbox_delete(_rf_src)
elif '@MH' in parse_sms[0]:
grid_square = re.sub('@MH ', '', sms)
if len(grid_square) < 6:
pass
else:
lat = decdeg2dms(mh.to_location(grid_square)[0])
lon = decdeg2dms(mh.to_location(grid_square)[1])
if lon[0] < 0:
lon_dir = 'W'
if lon[0] > 0:
lon_dir = 'E'
if lat[0] < 0:
lat_dir = 'S'
if lat[0] > 0:
lat_dir = 'N'
#logger.info(lat)
#logger.info(lat_dir)
aprs_lat = str(str(re.sub('\..*|-', '', str(lat[0]))) + str(re.sub('\..*', '', str(lat[1])) + '.')).zfill(5) + ' ' + lat_dir
aprs_lon = str(str(re.sub('\..*|-', '', str(lon[0]))) + str(re.sub('\..*', '', str(lon[1])) + '.')).zfill(6) + ' ' + lon_dir
logger.info('Latitude: ' + str(aprs_lat))
logger.info('Longitude: ' + str(aprs_lon))
# 14FRS2013 simplified and moved settings retrieval
user_settings = ast.literal_eval(os.popen('cat ' + user_settings_file).read())
if int_id(_rf_src) not in user_settings:
ssid = str(user_ssid)
icon_table = '/'
icon_icon = '['
comment = aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
else:
if user_settings[int_id(_rf_src)][1]['ssid'] == '':
ssid = user_ssid
if user_settings[int_id(_rf_src)][3]['comment'] == '':
comment = aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
if user_settings[int_id(_rf_src)][2]['icon'] == '':
icon_table = '/'
icon_icon = '['
if user_settings[int_id(_rf_src)][2]['icon'] != '':
icon_table = user_settings[int_id(_rf_src)][2]['icon'][0]
icon_icon = user_settings[int_id(_rf_src)][2]['icon'][1]
if user_settings[int_id(_rf_src)][1]['ssid'] != '':
ssid = user_settings[int_id(_rf_src)][1]['ssid']
if user_settings[int_id(_rf_src)][3]['comment'] != '':
comment = user_settings[int_id(_rf_src)][3]['comment']
aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + ssid + '>APHBL3,TCPIP*:@' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(aprs_lat) + icon_table + str(aprs_lon) + icon_icon + '/' + str(comment)
logger.info(aprs_loc_packet)
logger.info('User comment: ' + comment)
logger.info('User SSID: ' + ssid)
logger.info('User icon: ' + icon_table + icon_icon)
try:
aprslib.parse(aprs_loc_packet)
aprs_send(aprs_loc_packet)
modify template, finalize GPS location logging, initial commit of APRS dashboard, combine peer locations and APRS into single map
2021-09-20 12:33:21 -04:00
dashboard_loc_write(str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + ssid, aprs_lat, aprs_lon, time(), comment, int_id(_rf_src))
working OBP, SVRD, and MMDVM into data_gateway, WIP
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#logger.info('Sent manual position to APRS')
except Exception as error_exception:
logger.info('Exception. Not uploaded')
logger.info(error_exception)
logger.info(str(traceback.extract_tb(error_exception.__traceback__)))
packet_assembly = ''
elif '?' in parse_sms[0][0:1]:
limited function of data gateway
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use_api = CONFIG['DATA_CONFIG']['USE_API']
working OBP, SVRD, and MMDVM into data_gateway, WIP
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print(use_api)
if use_api == True:
auth_tokens = ast.literal_eval(os.popen('cat ' + auth_token_file).read())
#access_systems = ast.literal_eval(os.popen('cat ' + access_systems_file).read())
#authorized_users = ast.literal_eval(os.popen('cat ' + authorized_users_file).read())
system = parse_sms[0][1:]
#print(access_systems[system])
#print(authorized_users)
# Determin msg_xfer or app
if access_systems[system]['mode'] == 'msg_xfer':
s = ' '
message_to_send = s.join(parse_sms[2:])
dest_id = int(parse_sms[1])
source_id = int_id(_rf_src)
send_msg_xfer(access_systems[system]['url'], access_systems[system]['user'], access_systems[system]['password'], message_to_send, source_id, dest_id)
if access_systems[system]['mode'] == 'app':
s = ' '
message_to_send = s.join(parse_sms[1:])
source_id = int_id(_rf_src)
send_app_request(access_systems[system]['url'], message_to_send, source_id)
if use_api == False:
if call_type == 'unit':
send_sms(False, int_id(_rf_src), 0000, 0000, 'unit', 'API not enabled. Contact server admin.')
if call_type == 'vcsbk':
send_sms(False, 9, 0000, 0000, 'group', 'API not enabled. Contact server admin.')
elif '@' in parse_sms[0][0:1] and 'M-' not in parse_sms[1][0:2] or '@' not in parse_sms[0][1:]:
#Example SMS text: @ARMDS A-This is a test.
s = ' '
aprs_dest = re.sub('@', '', parse_sms[0])#re.sub('@| A-.*','',sms)
aprs_msg = s.join(parse_sms[1:])#re.sub('^@|.* A-|','',sms)
logger.info(aprs_msg)
logger.info('APRS message to ' + aprs_dest.upper() + '. Message: ' + aprs_msg)
user_settings = ast.literal_eval(os.popen('cat ' + user_settings_file).read())
if int_id(_rf_src) in user_settings and user_settings[int_id(_rf_src)][1]['ssid'] != '':
ssid = user_settings[int_id(_rf_src)][1]['ssid']
else:
ssid = user_ssid
try:
if user_settings[int_id(_rf_src)][5]['APRS'] == True:
aprs_msg_pkt = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + str(ssid) + '>APHBL3,TCPIP*::' + str(aprs_dest).ljust(9).upper() + ':' + aprs_msg[0:73]
logger.info(aprs_msg_pkt)
try:
aprslib.parse(aprs_msg_pkt)
aprs_send(aprs_msg_pkt)
#logger.info('Packet sent.')
except Exception as error_exception:
logger.info('Error uploading MSG packet.')
logger.info(error_exception)
logger.info(str(traceback.extract_tb(error_exception.__traceback__)))
else:
if call_type == 'unit':
send_sms(False, int_id(_rf_src), 0000, 0000, 'unit', 'APRS Messaging must be enabled. Send command "@APRS ON" or use dashboard to enable.')
if call_type == 'vcsbk':
send_sms(False, 9, 0000, 0000, 'group', 'APRS Messaging must be enabled. Send command "@APRS ON" or use dashboard to enable.')
except Exception as e:
if call_type == 'unit':
send_sms(False, int_id(_rf_src), 0000, 0000, 'unit', 'APRS Messaging must be enabled. Send command "@APRS ON" or use dashboard to enable.')
if call_type == 'vcsbk':
send_sms(False, 9, 0000, 0000, 'group', 'APRS Messaging must be enabled. Send command "@APRS ON" or use dashboard to enable.')
working SMS generation, not correct though
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## try:
## if sms in cmd_list:
## logger.info('Executing command/script.')
## os.popen(cmd_list[sms]).read()
## packet_assembly = ''
## except Exception as error_exception:
## logger.info('Exception. Command possibly not in list, or other error.')
## logger.info(error_exception)
## logger.info(str(traceback.extract_tb(error_exception.__traceback__)))
## packet_assembly = ''
working OBP, SVRD, and MMDVM into data_gateway, WIP
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else:
pass
working SMS generation, not correct though
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##### SMS encode #########
############## SMS Que and functions ###########
def create_crc16(fragment_input):
crc16 = libscrc.gsm16(bytearray.fromhex(fragment_input))
return fragment_input + re.sub('x', '0', str(hex(crc16 ^ 0xcccc))[-4:])
def create_crc32(fragment_input):
# Create and append CRC32 to data
# Create list of hex
word_list = []
count_index = 0
while count_index < len(fragment_input):
word_list.append((fragment_input[count_index:count_index + 2]))
count_index = count_index + 2
# Create string of rearranged word_list to match ETSI 102 361-1 pg 141
lst_index = 0
crc_string = ''
for i in (word_list):
#print(lst_index)
if lst_index % 2 == 0:
crc_string = crc_string + word_list[lst_index + 1]
#print(crc_string)
if lst_index % 2 == 1:
crc_string = crc_string + word_list[lst_index - 1]
#print(crc_string)
lst_index = lst_index + 1
# Create bytearray of word_list_string
# print(crc_string)
word_array = libscrc.posix(bytearray.fromhex(crc_string))
# XOR to get almost final CRC
pre_crc = str(hex(word_array ^ 0xffffffff))[2:]
# Rearrange pre_crc for transmission
crc = ''
c = 8
while c > 0:
crc = crc + pre_crc[c-2:c]
c = c - 2
#crc = crc.zfill(8)
crc = crc.ljust(8, '0')
# Return original data and append CRC32
print('Output: ' + fragment_input + crc)
return fragment_input + crc
def create_crc16_csbk(fragment_input):
crc16_csbk = libscrc.gsm16(bytearray.fromhex(fragment_input))
return fragment_input + re.sub('x', '0', str(hex(crc16_csbk ^ 0xa5a5))[-4:])
def csbk_gen(to_id, from_id):
csbk_lst = ['BD00801a', 'BD008019', 'BD008018', 'BD008017', 'BD008016']
send_seq_list = ''
for block in csbk_lst:
block = block + to_id + from_id
block = create_crc16_csbk(block)
print(block)
send_seq_list = send_seq_list + block
print(send_seq_list)
return send_seq_list
def mmdvm_encapsulate(dst_id, src_id, peer_id, _seq, _slot, _call_type, _dtype_vseq, _stream_id, _dmr_data):
signature = 'DMRD'
# needs to be in bytes
frame_type = 0x10 #bytes_2(int(10))
#print((frame_type))
dest_id = bytes_3(int(dst_id, 16))
#print(ahex(dest_id))
source_id = bytes_3(int(src_id, 16))
via_id = bytes_4(int(peer_id, 16))
#print(ahex(via_id))
seq = int(_seq).to_bytes(1, 'big')
#print(ahex(seq))
# Binary, 0 for 1, 1 for 2
slot = bitarray(str(_slot))
#print(slot)
# binary, 0 for group, 1 for unit, bin(1)
call_type = bitarray(str(_call_type))
#print(call_type)
#0x00 for voice, 0x01 for voice sync, 0x10 for data
#frame_type = int(16).to_bytes(1, 'big')
frame_type = bitarray('10')
#print(frame_type)
# Observed to be always 7, int. Will be 6 for header
#dtype_vseq = hex(int(_dtype_vseq)).encode()
if _dtype_vseq == 6:
dtype_vseq = bitarray('0110')
if _dtype_vseq == 7:
dtype_vseq = bitarray('0111')
if _dtype_vseq == 3:
dtype_vseq = bitarray('0011')
# 9 digit integer in hex
stream_id = bytes_4(_stream_id)
#print(ahex(stream_id))
middle_guts = slot + call_type + frame_type + dtype_vseq
#print(middle_guts)
dmr_data = str(_dmr_data)[2:-1] #str(re.sub("b'|'", '', str(_dmr_data)))
complete_packet = signature.encode() + seq + dest_id + source_id + via_id + middle_guts.tobytes() + stream_id + bytes.fromhex((dmr_data)) + bitarray('0000000000101111').tobytes()#bytes.fromhex(dmr_data)
#print('Complete: ' + str(ahex(complete_packet)))
return complete_packet
# Break long string into block sequence
def block_sequence(input_string):
seq_blocks = len(input_string)/24
n = 0
block_seq = []
while n < seq_blocks:
if n == 0:
block_seq.append(bytes.fromhex(input_string[:24].ljust(24,'0')))
n = n + 1
else:
block_seq.append(bytes.fromhex(input_string[n*24:n*24+24].ljust(24,'0')))
n = n + 1
return block_seq
# Takes list of DMR packets, 12 bytes, then encodes them
def dmr_encode(packet_list, _slot):
send_seq = []
for i in packet_list:
stitched_pkt = bptc.interleave_19696(bptc.encode_19696(i))
l_slot = bitarray('0111011100')
r_slot = bitarray('1101110001')
#Mobile Station
#sync_data = bitarray('110101011101011111110111011111111101011101010111')
if _slot == 0:
# TS1 - F7FDD5DDFD55
sync_data = bitarray('111101111111110111010101110111011111110101010101')
if _slot == 1:
#TS2 - D7557F5FF7F5
sync_data = bitarray('110101110101010101111111010111111111011111110101')
# Data sync? 110101011101011111110111011111111101011101010111 - D5D7F77FD757
new_pkt = ahex(stitched_pkt[:98] + l_slot + sync_data + r_slot + stitched_pkt[98:])
send_seq.append(new_pkt)
return send_seq
def create_sms_seq(dst_id, src_id, peer_id, _slot, _call_type, dmr_string):
rand_seq = random.randint(1, 999999)
block_seq = block_sequence(dmr_string)
dmr_list = dmr_encode(block_seq, _slot)
cap_in = 0
mmdvm_send_seq = []
for i in dmr_list:
if use_csbk == True:
if cap_in < 5:
the_mmdvm_pkt = mmdvm_encapsulate(dst_id, src_id, peer_id, cap_in, _slot, _call_type, 3, rand_seq, i)
#print(block_seq[cap_in])
#print(3)
if cap_in == 5:
#print(block_seq[cap_in])
#print(6)
the_mmdvm_pkt = mmdvm_encapsulate(dst_id, src_id, peer_id, cap_in, _slot, _call_type, 6, rand_seq, i) #(bytes.fromhex(re.sub("b'|'", '', str(orig_cap[cap_in][20:-4])))))
if cap_in > 5:
#print(block_seq[cap_in])
#print(7)
the_mmdvm_pkt = mmdvm_encapsulate(dst_id, src_id, peer_id, cap_in, _slot, _call_type, 7, rand_seq, i)#(bytes.fromhex(re.sub("b'|'", '', str(orig_cap[cap_in][20:-4])))))
mmdvm_send_seq.append(ahex(the_mmdvm_pkt))
cap_in = cap_in + 1
if use_csbk == False:
if cap_in == 0:
the_mmdvm_pkt = mmdvm_encapsulate(dst_id, src_id, peer_id, cap_in, _slot, _call_type, 6, rand_seq, i) #(bytes.fromhex(re.sub("b'|'", '', str(orig_cap[cap_in][20:-4])))))
else:
the_mmdvm_pkt = mmdvm_encapsulate(dst_id, src_id, peer_id, cap_in, _slot, _call_type, 7, rand_seq, i)#(bytes.fromhex(re.sub("b'|'", '', str(orig_cap[cap_in][20:-4])))))
mmdvm_send_seq.append(ahex(the_mmdvm_pkt))
cap_in = cap_in + 1
print(ahex(the_mmdvm_pkt))
add UNIT tracking via SVRD
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systems[UNIT_MAP[bytes.fromhex(dst_id)][0]].send_system(the_mmdvm_pkt)
working SMS generation, not correct though
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with open('/tmp/.hblink_data_que_' + str(CONFIG['DATA_CONFIG']['APRS_LOGIN_CALL']).upper() + '/' + str(random.randint(1000, 9999)) + '.mmdvm_seq', "w") as packet_write_file:
packet_write_file.write(str(mmdvm_send_seq))
return mmdvm_send_seq
# Built for max length msg, will improve later
def sms_headers(to_id, from_id):
## #ETSI 102 361-2 uncompressed ipv4
## # UDP header, src and dest ports are 4007, 0fa7
## udp_ports = '0fa70fa7'
## # Length, of what?
## udp_length = '00da'
## # Checksum
## udp_checksum = '4b37'
##
## # IPV4
## #IPV4 version and header length, always 45
## ipv4_v_l = '45'
## #Type of service, always 00
## ipv4_svc = '00'
## #length, always 00ee
## ipv4_len = '00ee'
## #ID always 000d
## ipv4_id = '000d'
## #Flags and offset always0
## ipv4_flag_off = '0000'
## #TTL and Protocol always 4011, no matter what
## ipv4_ttl_proto = '4011'
#ipv4 = '450000ee000d0000401100000c' + from_id + '0c' + to_id
ipv4 = '450000ee00000000401100000c' + from_id + '0c' + to_id
count_index = 0
hdr_lst = []
while count_index < len(ipv4):
hdr_lst.append((ipv4[count_index:count_index + 4]))
count_index = count_index + 4
sum = 0
for i in hdr_lst:
sum = sum + int(i, 16)
flipped = ''
for i in str(bin(sum))[2:]:
if i == '1':
flipped = flipped + '0'
if i == '0':
flipped = flipped + '1'
ipv4_chk_sum = str(hex(int(flipped, 2)))[2:]
# UDP checksum is optional per ETSI, zero for now as Anytone is not affected.
header = ipv4[:20] + ipv4_chk_sum + ipv4[24:] + '0fa70fa700da000000d0a00081040d000a'
return header
def format_sms(msg, to_id, from_id):
msg_bytes = str.encode(msg)
encoded = "".join([str('00' + x) for x in re.findall('..',bytes.hex(msg_bytes))] )
final = encoded
while len(final) < 400:
final = final + '002e'
final = final + '0000000000000000000000'
headers = sms_headers(to_id, from_id)
return headers + final
def gen_header(to_id, from_id, call_type):
if call_type == 1:
seq_header = '024A' + to_id + from_id + '9550'
if call_type == 0:
seq_header = '824A' + to_id + from_id + '9550'
return seq_header
def send_sms(csbk, to_id, from_id, peer_id, call_type, msg):
global use_csbk
use_csbk = csbk
to_id = str(hex(to_id))[2:].zfill(6)
from_id = str(hex(from_id))[2:].zfill(6)
peer_id = str(hex(peer_id))[2:].zfill(8)
if call_type == 'unit':
call_type = 1
# Try to find slot from UNIT_MAP
try:
#Slot 2
if UNIT_MAP[bytes.fromhex(to_id)][2] == 2:
slot = 1
# Slot 1
if UNIT_MAP[bytes.fromhex(to_id)][2] == 1:
slot = 0
except Exception as e:
logger.info(e)
# Change to config value later
slot = 1
if call_type == 'group':
call_type = 0
# Send all Group data to TS 2, need to fix later.
slot = 1
if csbk == 'yes':
use_csbk = True
create_sms_seq(to_id, from_id, peer_id, int(slot), new_call_type, csbk_gen(to_id, from_id) + create_crc16(gen_header(to_id, from_id, new_call_type)) + create_crc32(format_sms(msg, to_id, from_id)))
else:
create_sms_seq(to_id, from_id, peer_id, int(slot), call_type, create_crc16(gen_header(to_id, from_id, call_type)) + create_crc32(format_sms(str(msg), to_id, from_id)))
def data_que_check():
l=task.LoopingCall(data_que_send)
l.start(1)
def data_que_send():
#logger.info('Check SMS que')
try:
#logger.info(UNIT_MAP)
for packet_file in os.listdir('/tmp/.hblink_data_que_' + str(CONFIG['DATA_CONFIG']['APRS_LOGIN_CALL']).upper() + '/'):
logger.info('Sending SMS')
logger.info(os.listdir('/tmp/.hblink_data_que_' + str(CONFIG['DATA_CONFIG']['APRS_LOGIN_CALL']).upper() + '/'))
snd_seq = ast.literal_eval(os.popen('cat /tmp/.hblink_data_que_' + str(CONFIG['DATA_CONFIG']['APRS_LOGIN_CALL']).upper() + '/' + packet_file).read())
for data in snd_seq:
# Get dest id
dst_id = bytes.fromhex(str(data[10:16])[2:-1])
call_type = hex2bits(data)[121:122]
# Handle UNIT calls
if call_type[0] == True:
# If destination ID in map, route call only there
if dst_id in UNIT_MAP:
data_target = UNIT_MAP[dst_id][0]
reactor.callFromThread(systems[data_target].send_system,bytes.fromhex(re.sub("b'|'", '', str(data))))
logger.info('Sending data to ' + str(data[10:16])[2:-1] + ' on system ' + data_target)
# Flood all systems
elif dst_id not in UNIT_MAP:
for i in UNIT:
reactor.callFromThread(systems[i].send_system,bytes.fromhex(re.sub("b'|'", '', str(data))))
logger.info('Sending data to ' + str(data[10:16])[2:-1] + ' on system ' + i)
# Handle group calls
elif call_type[0] == False:
for i in BRIDGES.items():
for d in i[1]:
if dst_id == d['TGID']:
data_target = d['SYSTEM']
reactor.callFromThread(systems[data_target].send_system,bytes.fromhex(re.sub("b'|'", '', str(data))))
logger.info('Sending data to ' + str(data[10:16])[2:-1] + ' on system ' + data_target)
os.system('rm /tmp/.hblink_data_que_' + str(CONFIG['DATA_CONFIG']['APRS_LOGIN_CALL']).upper() + '/' + packet_file)
#routerHBP.send_peer('MASTER-2', bytes.fromhex(re.sub("b'|'", '', str(data))))
## os.system('rm /tmp/.hblink_data_que/' + packet_file)
except Exception as e:
logger.info(e)
working OBP, SVRD, and MMDVM into data_gateway, WIP
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implement subscriber id tracking via SVRD
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# the APRS RX process
def aprs_rx(aprs_rx_login, aprs_passcode, aprs_server, aprs_port, aprs_filter, user_ssid):
global AIS
AIS = aprslib.IS(aprs_rx_login, passwd=int(aprs_passcode), host=aprs_server, port=int(aprs_port))
user_settings = ast.literal_eval(os.popen('cat ' + user_settings_file).read())
AIS.set_filter(aprs_filter)#parser.get('DATA_CONFIG', 'APRS_FILTER'))
try:
if 'N0CALL' in aprs_callsign:
logger.info()
logger.info('APRS callsighn set to N0CALL, not connecting to APRS-IS')
logger.info()
pass
else:
AIS.connect()
print('Connecting to APRS-IS')
if int(CONFIG['DATA_CONFIG']['IGATE_BEACON_TIME']) == 0:
logger.info('APRS beacon disabled')
if int(CONFIG['DATA_CONFIG']['IGATE_BEACON_TIME']) != 0:
aprs_beacon=task.LoopingCall(aprs_beacon_send)
aprs_beacon.start(int(CONFIG['DATA_CONFIG']['IGATE_BEACON_TIME'])*60)
AIS.consumer(aprs_process, raw=True, immortal=False)
except Exception as e:
logger.info(e)
working OBP, SVRD, and MMDVM into data_gateway, WIP
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##### DMR data function ####
def data_received(self, _peer_id, _rf_src, _dst_id, _seq, _slot, _call_type, _frame_type, _dtype_vseq, _stream_id, _data):
# Capture data headers
global n_packet_assembly, hdr_type
#logger.info(_dtype_vseq)
#logger.info(_call_type)
#logger.info(_frame_type)
logger.info(strftime('%H:%M:%S - %m/%d/%y'))
#logger.info('Special debug for developement:')
logger.info(ahex(bptc_decode(_data)))
#logger.info(_rf_src)
#logger.info((ba2num(bptc_decode(_data)[8:12])))
################################################################3###### CHNGED #########
## if int_id(_dst_id) == data_id:
#logger.info(type(_seq))
if type(_seq) is bytes:
pckt_seq = int.from_bytes(_seq, 'big')
else:
pckt_seq = _seq
# Try to classify header
# UDT header has DPF of 0101, which is 5.
# If 5 is at position 3, then this should be a UDT header for MD-380 type radios.
# Coordinates are usually in the very next block after the header, we will discard the rest.
#logger.info(ahex(bptc_decode(_data)[0:10]))
if _call_type == call_type and header_ID(_data)[3] == '5' and ba2num(bptc_decode(_data)[69:72]) == 0 and ba2num(bptc_decode(_data)[8:12]) == 0 or (_call_type == 'vcsbk' and header_ID(_data)[3] == '5' and ba2num(bptc_decode(_data)[69:72]) == 0 and ba2num(bptc_decode(_data)[8:12]) == 0):
global udt_block
logger.info('MD-380 type UDT header detected. Very next packet should be location.')
hdr_type = '380'
if _dtype_vseq == 6 and hdr_type == '380' or _dtype_vseq == 'group' and hdr_type == '380':
udt_block = 1
if _dtype_vseq == 7 and hdr_type == '380':
udt_block = udt_block - 1
if udt_block == 0:
logger.info('MD-380 type packet. This should contain the GPS location.')
logger.info('Packet: ' + str(ahex(bptc_decode(_data))))
if ba2num(bptc_decode(_data)[1:2]) == 1:
lat_dir = 'N'
if ba2num(bptc_decode(_data)[1:2]) == 0:
lat_dir = 'S'
if ba2num(bptc_decode(_data)[2:3]) == 1:
lon_dir = 'E'
if ba2num(bptc_decode(_data)[2:3]) == 0:
lon_dir = 'W'
lat_deg = ba2num(bptc_decode(_data)[11:18])
lon_deg = ba2num(bptc_decode(_data)[38:46])
lat_min = ba2num(bptc_decode(_data)[18:24])
lon_min = ba2num(bptc_decode(_data)[46:52])
lat_min_dec = str(ba2num(bptc_decode(_data)[24:38])).zfill(4)
lon_min_dec = str(ba2num(bptc_decode(_data)[52:66])).zfill(4)
# Old MD-380 coordinate format, keep here until new is confirmed working.
#aprs_lat = str(str(lat_deg) + str(lat_min) + '.' + str(lat_min_dec)[0:2]).zfill(7) + lat_dir
#aprs_lon = str(str(lon_deg) + str(lon_min) + '.' + str(lon_min_dec)[0:2]).zfill(8) + lon_dir
# Fix for MD-380 by G7HIF
aprs_lat = str(str(lat_deg) + str(lat_min).zfill(2) + '.' + str(lat_min_dec)[0:2]).zfill(7) + lat_dir
aprs_lon = str(str(lon_deg) + str(lon_min).zfill(2) + '.' + str(lon_min_dec)[0:2]).zfill(8) + lon_dir
# Form APRS packet
#logger.info(aprs_loc_packet)
logger.info('Lat: ' + str(aprs_lat) + ' Lon: ' + str(aprs_lon))
# 14FRS2013 simplified and moved settings retrieval
user_settings = ast.literal_eval(os.popen('cat ' + user_settings_file).read())
if int_id(_rf_src) not in user_settings:
ssid = str(user_ssid)
icon_table = '/'
icon_icon = '['
comment = aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
else:
if user_settings[int_id(_rf_src)][1]['ssid'] == '':
ssid = user_ssid
if user_settings[int_id(_rf_src)][3]['comment'] == '':
comment = aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
if user_settings[int_id(_rf_src)][2]['icon'] == '':
icon_table = '/'
icon_icon = '['
if user_settings[int_id(_rf_src)][2]['icon'] != '':
icon_table = user_settings[int_id(_rf_src)][2]['icon'][0]
icon_icon = user_settings[int_id(_rf_src)][2]['icon'][1]
if user_settings[int_id(_rf_src)][1]['ssid'] != '':
ssid = user_settings[int_id(_rf_src)][1]['ssid']
if user_settings[int_id(_rf_src)][3]['comment'] != '':
comment = user_settings[int_id(_rf_src)][3]['comment']
aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + ssid + '>APHBL3,TCPIP*:@' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(aprs_lat) + icon_table + str(aprs_lon) + icon_icon + '/' + str(comment)
logger.info(aprs_loc_packet)
logger.info('User comment: ' + comment)
logger.info('User SSID: ' + ssid)
logger.info('User icon: ' + icon_table + icon_icon)
# Attempt to prevent malformed packets from being uploaded.
try:
aprslib.parse(aprs_loc_packet)
float(lat_deg) < 91
float(lon_deg) < 121
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if int_id(_dst_id) == data_id:
aprs_send(aprs_loc_packet)
modify template, finalize GPS location logging, initial commit of APRS dashboard, combine peer locations and APRS into single map
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dashboard_loc_write(str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + ssid, aprs_lat, aprs_lon, time(), comment, int_id(_rf_src))
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#logger.info('Sent APRS packet')
except Exception as error_exception:
logger.info('Error. Failed to send packet. Packet may be malformed.')
logger.info(error_exception)
logger.info(str(traceback.extract_tb(error_exception.__traceback__)))
udt_block = 1
hdr_type = ''
else:
pass
#NMEA type packets for Anytone like radios.
#if _call_type == call_type or (_call_type == 'vcsbk' and pckt_seq > 3): #int.from_bytes(_seq, 'big') > 3 ):
# 14FRS2013 contributed improved header filtering, KF7EEL added conditions to allow both call types at the same time
if _call_type == call_type or (_call_type == 'vcsbk' and pckt_seq > 3 and call_type != 'unit') or (_call_type == 'group' and pckt_seq > 3 and call_type != 'unit') or (_call_type == 'group' and pckt_seq > 3 and call_type == 'both') or (_call_type == 'vcsbk' and pckt_seq > 3 and call_type == 'both') or (_call_type == 'unit' and pckt_seq > 3 and call_type == 'both'): #int.from_bytes(_seq, 'big') > 3 ):
global packet_assembly, btf
if _dtype_vseq == 6 or _dtype_vseq == 'group':
global btf, hdr_start
hdr_start = str(header_ID(_data))
logger.info('Header from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + '. DMR ID: ' + str(int_id(_rf_src)))
logger.info(ahex(bptc_decode(_data)))
logger.info('Blocks to follow: ' + str(ba2num(bptc_decode(_data)[65:72])))
btf = ba2num(bptc_decode(_data)[65:72])
# Try resetting packet_assembly
packet_assembly = ''
# Data blocks at 1/2 rate, see https://github.com/g4klx/MMDVM/blob/master/DMRDefines.h for data types. _dtype_seq defined here also
if _dtype_vseq == 7:
btf = btf - 1
logger.info('Block #: ' + str(btf))
#logger.info(_seq)
logger.info('Data block from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + '. DMR ID: ' + str(int_id(_rf_src)) + '. Destination: ' + str(int_id(_dst_id)))
logger.info(ahex(bptc_decode(_data)))
if _seq == 0:
n_packet_assembly = 0
packet_assembly = ''
#if btf < btf + 1:
# 14FRS2013 removed condition, works great!
n_packet_assembly = n_packet_assembly + 1
packet_assembly = packet_assembly + str(bptc_decode(_data)) #str((decode_full_lc(b_packet)).strip('bitarray('))
# Use block 0 as trigger. $GPRMC must also be in string to indicate NMEA.
# This triggers the APRS upload
if btf == 0:
final_packet = str(bitarray(re.sub("\)|\(|bitarray|'", '', packet_assembly)).tobytes().decode('utf-8', 'ignore'))
sms_hex = str(ba2hx(bitarray(re.sub("\)|\(|bitarray|'", '', packet_assembly))))
sms_hex_string = re.sub("b'|'", '', str(sms_hex))
#NMEA GPS sentence
if '$GPRMC' in final_packet or '$GNRMC' in final_packet:
logger.info(final_packet + '\n')
# Eliminate excess bytes based on NMEA type
# GPRMC
if 'GPRMC' in final_packet:
logger.info('GPRMC location')
#nmea_parse = re.sub('A\*.*|.*\$', '', str(final_packet))
nmea_parse = re.sub('A\*.*|.*\$|\n.*', '', str(final_packet))
# GNRMC
if 'GNRMC' in final_packet:
logger.info('GNRMC location')
nmea_parse = re.sub('.*\$|\n.*|V\*.*', '', final_packet)
loc = pynmea2.parse(nmea_parse, check=False)
logger.info('Latitude: ' + str(loc.lat) + str(loc.lat_dir) + ' Longitude: ' + str(loc.lon) + str(loc.lon_dir) + ' Direction: ' + str(loc.true_course) + ' Speed: ' + str(loc.spd_over_grnd) + '\n')
try:
# Begin APRS format and upload
# Disable opening file for reading to reduce "collision" or reading and writing at same time.
# 14FRS2013 simplified and moved settings retrieval
user_settings = ast.literal_eval(os.popen('cat ' + user_settings_file).read())
if int_id(_rf_src) not in user_settings:
ssid = str(user_ssid)
icon_table = '/'
icon_icon = '['
comment = aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
else:
if user_settings[int_id(_rf_src)][1]['ssid'] == '':
ssid = user_ssid
if user_settings[int_id(_rf_src)][3]['comment'] == '':
comment = aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
if user_settings[int_id(_rf_src)][2]['icon'] == '':
icon_table = '/'
icon_icon = '['
if user_settings[int_id(_rf_src)][2]['icon'] != '':
icon_table = user_settings[int_id(_rf_src)][2]['icon'][0]
icon_icon = user_settings[int_id(_rf_src)][2]['icon'][1]
if user_settings[int_id(_rf_src)][1]['ssid'] != '':
ssid = user_settings[int_id(_rf_src)][1]['ssid']
if user_settings[int_id(_rf_src)][3]['comment'] != '':
comment = user_settings[int_id(_rf_src)][3]['comment']
aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + ssid + '>APHBL3,TCPIP*:@' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(loc.lat[0:7]) + str(loc.lat_dir) + icon_table + str(loc.lon[0:8]) + str(loc.lon_dir) + icon_icon + str(round(loc.true_course)).zfill(3) + '/' + str(round(loc.spd_over_grnd)).zfill(3) + '/' + str(comment)
logger.info(aprs_loc_packet)
logger.info('User comment: ' + comment)
logger.info('User SSID: ' + ssid)
logger.info('User icon: ' + icon_table + icon_icon)
except Exception as error_exception:
logger.info('Error or user settings file not found, proceeding with default settings.')
aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + str(user_ssid) + '>APHBL3,TCPIP*:@' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(loc.lat[0:7]) + str(loc.lat_dir) + '/' + str(loc.lon[0:8]) + str(loc.lon_dir) + '[' + str(round(loc.true_course)).zfill(3) + '/' + str(round(loc.spd_over_grnd)).zfill(3) + '/' + aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
logger.info(error_exception)
logger.info(str(traceback.extract_tb(error_exception.__traceback__)))
try:
# Try parse of APRS packet. If it fails, it will not upload to APRS-IS
aprslib.parse(aprs_loc_packet)
# Float values of lat and lon. Anything that is not a number will cause it to fail.
float(loc.lat)
float(loc.lon)
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if int_id(_dst_id) == data_id:
aprs_send(aprs_loc_packet)
modify template, finalize GPS location logging, initial commit of APRS dashboard, combine peer locations and APRS into single map
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dashboard_loc_write(str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + ssid, str(loc.lat[0:7]) + str(loc.lat_dir), str(loc.lon[0:8]) + str(loc.lon_dir), time(), comment, int_id(_rf_src))
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except Exception as error_exception:
logger.info('Failed to parse packet. Packet may be deformed. Not uploaded.')
logger.info(error_exception)
logger.info(str(traceback.extract_tb(error_exception.__traceback__)))
# Get callsign based on DMR ID
# End APRS-IS upload
# Assume this is an SMS message
elif '$GPRMC' not in final_packet or '$GNRMC' not in final_packet:
#### # Motorola type SMS header
## if '824a' in hdr_start or '024a' in hdr_start:
## logger.info('\nMotorola type SMS')
## sms = codecs.decode(bytes.fromhex(''.join(sms_hex[74:-8].split('00'))), 'utf-8')
## logger.info('\n\n' + 'Received SMS from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + ', DMR ID: ' + str(int_id(_rf_src)) + ': ' + str(sms) + '\n')
## process_sms(_rf_src, sms)
## packet_assembly = ''
## # ETSI? type SMS header
## elif '0244' in hdr_start or '8244' in hdr_start:
## logger.info('ETSI? type SMS')
## sms = codecs.decode(bytes.fromhex(''.join(sms_hex[64:-8].split('00'))), 'utf-8')
## logger.info('\n\n' + 'Received SMS from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + ', DMR ID: ' + str(int_id(_rf_src)) + ': ' + str(sms) + '\n')
## #logger.info(final_packet)
## #logger.info(sms_hex[64:-8])
## process_sms(_rf_src, sms)
## packet_assembly = ''
####
## else:
logger.info('\nSMS detected. Attempting to parse.')
#logger.info(final_packet)
logger.info(sms_hex)
## logger.info(type(sms_hex))
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## logger.info('Attempting to find command...')
working OBP, SVRD, and MMDVM into data_gateway, WIP
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## sms = codecs.decode(bytes.fromhex(''.join(sms_hex[:-8].split('00'))), 'utf-8', 'ignore')
sms = codecs.decode(bytes.fromhex(''.join(sms_hex_string[:-8].split('00'))), 'utf-8', 'ignore')
msg_found = re.sub('.*\n', '', sms)
logger.info('\n\n' + 'Received SMS from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + ', DMR ID: ' + str(int_id(_rf_src)) + ': ' + str(msg_found) + '\n')
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if int_id(_dst_id) == data_id:
process_sms(_rf_src, msg_found, _call_type)
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#packet_assembly = ''
pass
#logger.info(bitarray(re.sub("\)|\(|bitarray|'", '', str(bptc_decode(_data)).tobytes().decode('utf-8', 'ignore'))))
#logger.info('\n\n' + 'Received SMS from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + ', DMR ID: ' + str(int_id(_rf_src)) + ': ' + str(sms) + '\n')
# Reset the packet assembly to prevent old data from returning.
# 14FRS2013 moved variable reset
hdr_start = ''
n_packet_assembly = 0
packet_assembly = ''
btf = 0
#logger.info(_seq)
#packet_assembly = '' #logger.info(_dtype_vseq)
#logger.info(ahex(bptc_decode(_data)).decode('utf-8', 'ignore'))
#logger.info(bitarray(re.sub("\)|\(|bitarray|'", '', str(bptc_decode(_data)).tobytes().decode('utf-8', 'ignore'))))
######
finish OTHER_OPTIONS in webservice and config(s).py
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# Send data to all OBP connections that have an encryption key. Data such as subscribers are sent to other HBNet servers.
def svrd_send_all(_svrd_data):
_svrd_packet = SVRD
for system in CONFIG['SYSTEMS']:
if CONFIG['SYSTEMS'][system]['ENABLED']:
if CONFIG['SYSTEMS'][system]['MODE'] == 'OPENBRIDGE':
if CONFIG['SYSTEMS'][system]['ENCRYPTION_KEY'] != b'':
systems[system].send_system(_svrd_packet + _svrd_data)
implement subscriber id tracking via SVRD
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def rule_timer_loop():
global UNIT_MAP
logger.debug('(ROUTER) routerHBP Rule timer loop started')
_now = time()
fix SVRD UNIT
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_then = _now - 3600
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remove_list = []
fix SVRD UNIT
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print(UNIT_MAP)
implement subscriber id tracking via SVRD
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for unit in UNIT_MAP:
if UNIT_MAP[unit][1] < (_then):
remove_list.append(unit)
for unit in remove_list:
del UNIT_MAP[unit]
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logger.debug('Removed unit(s) %s from UNIT_MAP', remove_list)
update README, add hoosk for new dashboard, add WSGI exmples
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ping(CONFIG)
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working OBP, SVRD, and MMDVM into data_gateway, WIP
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class OBP(OPENBRIDGE):
def __init__(self, _name, _config, _report):
OPENBRIDGE.__init__(self, _name, _config, _report)
def dmrd_received(self, _peer_id, _rf_src, _dst_id, _seq, _slot, _call_type, _frame_type, _dtype_vseq, _stream_id, _data):
implement subscriber id tracking via SVRD
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UNIT_MAP[_rf_src] = (self._system, time())
fix PACKET_MATCH, update copyright
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if _rf_src not in PACKET_MATCH:
PACKET_MATCH[_rf_src] = [_data, time()]
add MIRROR_TRAFFIC, prevent packet duplicating in data_gateway
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# Check to see if we have already received this packet
fix PACKET_MATCH, update copyright
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## print(time() - 1)
elif _data == PACKET_MATCH[_rf_src][0] and time() - 1 < PACKET_MATCH[_rf_src][1]:
add MIRROR_TRAFFIC, prevent packet duplicating in data_gateway
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print('matched, dropping')
pass
print(PACKET_MATCH)
else:
PACKET_MATCH[_rf_src] = [_data, time()]
print('OBP RCVD')
if _dtype_vseq in [3,6,7] and _call_type == 'unit' or _call_type == 'group' and _dtype_vseq == 6 or _call_type == 'vcsbk':
data_received(self, _peer_id, _rf_src, _dst_id, _seq, _slot, _call_type, _frame_type, _dtype_vseq, _stream_id, _data)
else:
pass
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def svrd_received(self, _mode, _data):
confirmed FreeDMR group and unit call RX
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print('SVRD RCV')
modify template, finalize GPS location logging, initial commit of APRS dashboard, combine peer locations and APRS into single map
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print(_mode)
implement subscriber id tracking via SVRD
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if _mode == b'UNIT':
UNIT_MAP[_data] = (self._system, time())
fix SVRD UNIT
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print(UNIT_MAP)
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if _mode == b'DATA':
add MIRROR_TRAFFIC, prevent packet duplicating in data_gateway
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# DMR Data packet, sent via SVRD
confirmed FreeDMR group and unit call RX
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_peer_id = _data[11:15]
_seq = _data[4]
_rf_src = _data[5:8]
_dst_id = _data[8:11]
_bits = _data[15]
_slot = 2 if (_bits & 0x80) else 1
#_call_type = 'unit' if (_bits & 0x40) else 'group'
if _bits & 0x40:
_call_type = 'unit'
elif (_bits & 0x23) == 0x23:
_call_type = 'vcsbk'
else:
_call_type = 'group'
_frame_type = (_bits & 0x30) >> 4
_dtype_vseq = (_bits & 0xF) # data, 1=voice header, 2=voice terminator; voice, 0=burst A ... 5=burst F
_stream_id = _data[16:20]
add MIRROR_TRAFFIC, prevent packet duplicating in data_gateway
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# Record last packet to prevent duplicates, think finger printing.
PACKET_MATCH[_rf_src] = [_data, time()]
confirmed FreeDMR group and unit call RX
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self.dmrd_received(_peer_id, _rf_src, _dst_id, _seq, _slot, _call_type, _frame_type, _dtype_vseq, _stream_id, _data)
working OBP, SVRD, and MMDVM into data_gateway, WIP
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class HBP(HBSYSTEM):
def __init__(self, _name, _config, _report):
HBSYSTEM.__init__(self, _name, _config, _report)
def dmrd_received(self, _peer_id, _rf_src, _dst_id, _seq, _slot, _call_type, _frame_type, _dtype_vseq, _stream_id, _data):
implement subscriber id tracking via SVRD
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UNIT_MAP[_rf_src] = (self._system, time())
working OBP, SVRD, and MMDVM into data_gateway, WIP
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print('MMDVM RCVD')
fix PACKET_MATCH, update copyright
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if _rf_src not in PACKET_MATCH:
PACKET_MATCH[_rf_src] = [_data, time()]
elif _data == PACKET_MATCH[_rf_src][0] and time() - 1 < PACKET_MATCH[_rf_src][1]:
print('matched, dropping')
print(PACKET_MATCH)
pass
else:
PACKET_MATCH[_rf_src] = [_data, time()]
add MIRROR_TRAFFIC, prevent packet duplicating in data_gateway
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if _dtype_vseq in [3,6,7] and _call_type == 'unit' or _call_type == 'group' and _dytpe_vseq == 6 or _call_type == 'vcsbk':
data_received(self, _peer_id, _rf_src, _dst_id, _seq, _slot, _call_type, _frame_type, _dtype_vseq, _stream_id, _data)
else:
pass
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## pass
#************************************************
# MAIN PROGRAM LOOP STARTS HERE
#************************************************
if __name__ == '__main__':
import argparse
import sys
import os
import signal
# Change the current directory to the location of the application
os.chdir(os.path.dirname(os.path.realpath(sys.argv[0])))
# CLI argument parser - handles picking up the config file from the command line, and sending a "help" message
parser = argparse.ArgumentParser()
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parser.add_argument('-c', '--config', action='store', dest='CONFIG_FILE', help='/full/path/to/config.file (usually data_gateway.cfg)')
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parser.add_argument('-l', '--logging', action='store', dest='LOG_LEVEL', help='Override config file logging level.')
cli_args = parser.parse_args()
# Ensure we have a path for the config file, if one wasn't specified, then use the default (top of file)
if not cli_args.CONFIG_FILE:
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cli_args.CONFIG_FILE = os.path.dirname(os.path.abspath(__file__))+'/data_gateway.cfg'
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# Call the external routine to build the configuration dictionary
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CONFIG = data_gateway_config.build_config(cli_args.CONFIG_FILE)
data_id = int(CONFIG['DATA_CONFIG']['DATA_DMR_ID'])
#echo_id = int(CONFIG['DATA_CONFIG']['ECHO_DMR_ID'])
# Group call or Unit (private) call
call_type = CONFIG['DATA_CONFIG']['CALL_TYPE']
# APRS-IS login information
aprs_callsign = str(CONFIG['DATA_CONFIG']['APRS_LOGIN_CALL']).upper()
aprs_passcode = int(CONFIG['DATA_CONFIG']['APRS_LOGIN_PASSCODE'])
aprs_server = CONFIG['DATA_CONFIG']['APRS_SERVER']
aprs_port = int(CONFIG['DATA_CONFIG']['APRS_PORT'])
user_ssid = CONFIG['DATA_CONFIG']['USER_APRS_SSID']
aprs_comment = CONFIG['DATA_CONFIG']['USER_APRS_COMMENT']
aprs_filter = CONFIG['DATA_CONFIG']['APRS_FILTER']
# EMAIL variables
## email_sender = CONFIG['DATA_CONFIG']['EMAIL_SENDER']
## email_password = CONFIG['DATA_CONFIG']['EMAIL_PASSWORD']
## smtp_server = CONFIG['DATA_CONFIG']['SMTP_SERVER']
## smtp_port = CONFIG['DATA_CONFIG']['SMTP_PORT']
# Dashboard files
bb_file = CONFIG['DATA_CONFIG']['BULLETIN_BOARD_FILE']
loc_file = CONFIG['DATA_CONFIG']['LOCATION_FILE']
the_mailbox_file = CONFIG['DATA_CONFIG']['MAILBOX_FILE']
emergency_sos_file = CONFIG['DATA_CONFIG']['EMERGENCY_SOS_FILE']
sms_file = CONFIG['DATA_CONFIG']['SMS_FILE']
# User APRS settings
user_settings_file = CONFIG['DATA_CONFIG']['USER_SETTINGS_FILE']
## use_api = CONFIG['DATA_CONFIG']['USE_API']
# Check if user_settings (for APRS settings of users) exists. Creat it if not.
if Path(user_settings_file).is_file():
pass
else:
Path(user_settings_file).touch()
with open(user_settings_file, 'w') as user_dict_file:
user_dict_file.write("{1: [{'call': 'N0CALL'}, {'ssid': ''}, {'icon': ''}, {'comment': ''}, {'pin': ''}, {'APRS': False}]}")
user_dict_file.close()
# Check to see if dashboard files exist
if Path(loc_file).is_file():
pass
else:
Path(loc_file).touch()
with open(loc_file, 'w') as user_loc_file:
user_loc_file.write("[]")
user_loc_file.close()
if Path(bb_file).is_file():
pass
else:
Path(bb_file).touch()
with open(bb_file, 'w') as user_bb_file:
user_bb_file.write("[]")
user_bb_file.close()
if Path(sms_file).is_file():
pass
else:
Path(sms_file).touch()
with open(sms_file, 'w') as user_sms_file:
user_sms_file.write("[]")
user_sms_file.close()
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try:
Path('/tmp/.hblink_data_que_' + str(CONFIG['DATA_CONFIG']['APRS_LOGIN_CALL']).upper() + '/').mkdir(parents=True, exist_ok=True)
logger.info('Created que directory')
except:
logger.info('Unable to create data que directory')
pass
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# Start the system logger
if cli_args.LOG_LEVEL:
CONFIG['LOGGER']['LOG_LEVEL'] = cli_args.LOG_LEVEL
logger = log.config_logging(CONFIG['LOGGER'])
fix PACKET_MATCH, update copyright
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logger.info('\n\nCopyright (c) 2020, 2021\n\tKF7EEL - Eric, kf7eel@qsl.net - All rights reserved.\n')
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logger.info('\n\nCopyright (c) 2013, 2014, 2015, 2016, 2018\n\tThe Regents of the K0USY Group. All rights reserved.\n')
logger.debug('(GLOBAL) Logging system started, anything from here on gets logged')
# Set up the signal handler
def sig_handler(_signal, _frame):
logger.info('(GLOBAL) SHUTDOWN: CONFBRIDGE IS TERMINATING WITH SIGNAL %s', str(_signal))
hblink_handler(_signal, _frame)
logger.info('(GLOBAL) SHUTDOWN: ALL SYSTEM HANDLERS EXECUTED - STOPPING REACTOR')
reactor.stop()
# Set signal handers so that we can gracefully exit if need be
for sig in [signal.SIGINT, signal.SIGTERM]:
signal.signal(sig, sig_handler)
# Create the name-number mapping dictionaries
peer_ids, subscriber_ids, talkgroup_ids = mk_aliases(CONFIG)
# INITIALIZE THE REPORTING LOOP
if CONFIG['REPORTS']['REPORT']:
report_server = config_reports(CONFIG, reportFactory)
else:
report_server = None
logger.info('(REPORT) TCP Socket reporting not configured')
# HBlink instance creation
logger.info('(GLOBAL) HBlink \'bridge.py\' -- SYSTEM STARTING...')
for system in CONFIG['SYSTEMS']:
if CONFIG['SYSTEMS'][system]['ENABLED']:
if CONFIG['SYSTEMS'][system]['MODE'] == 'OPENBRIDGE':
systems[system] = OBP(system, CONFIG, report_server)
else:
systems[system] = HBP(system, CONFIG, report_server)
reactor.listenUDP(CONFIG['SYSTEMS'][system]['PORT'], systems[system], interface=CONFIG['SYSTEMS'][system]['IP'])
logger.debug('(GLOBAL) %s instance created: %s, %s', CONFIG['SYSTEMS'][system]['MODE'], system, systems[system])
def loopingErrHandle(failure):
logger.error('(GLOBAL) STOPPING REACTOR TO AVOID MEMORY LEAK: Unhandled error in timed loop.\n %s', failure)
reactor.stop()
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# Initialize the rule timer -- this if for user activated stuff
rule_timer_task = task.LoopingCall(rule_timer_loop)
rule_timer = rule_timer_task.start(60)
rule_timer.addErrback(loopingErrHandle)
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if 'N0CALL' in aprs_callsign:
logger.info('APRS callsighn set to N0CALL, packet not sent.')
pass
else:
aprs_thread = threading.Thread(target=aprs_rx, args=(aprs_callsign, aprs_passcode, aprs_server, aprs_port, aprs_filter, user_ssid,))
aprs_thread.daemon = True
aprs_thread.start()
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reactor.run()
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