|
1
|
|
|
#!/usr/bin/env python |
|
2
|
|
|
# -*- coding: utf-8 -*- |
|
3
|
|
|
|
|
4
|
|
|
"""APRS Internet Service Class Definitions""" |
|
5
|
|
|
|
|
6
|
|
|
# These imports are for python3 compatability inside python2 |
|
7
|
|
|
from __future__ import absolute_import |
|
8
|
|
|
from __future__ import division |
|
9
|
|
|
from __future__ import print_function |
|
10
|
|
|
from __future__ import unicode_literals |
|
11
|
|
|
|
|
12
|
|
|
import logging |
|
13
|
|
|
import socket |
|
14
|
|
|
import requests |
|
15
|
|
|
|
|
16
|
|
|
from apex.aprs import constants as aprsConstants |
|
17
|
|
|
from apex.aprs import util as aprsUtil |
|
18
|
|
|
|
|
19
|
|
|
__author__ = 'Jeffrey Phillips Freeman (WI2ARD)' |
|
20
|
|
|
__maintainer__ = "Jeffrey Phillips Freeman (WI2ARD)" |
|
21
|
|
|
__email__ = "[email protected]" |
|
22
|
|
|
__license__ = 'Apache License, Version 2.0' |
|
23
|
|
|
__copyright__ = 'Copyright 2016, Syncleus, Inc. and contributors' |
|
24
|
|
|
__credits__ = [] |
|
25
|
|
|
|
|
26
|
|
|
|
|
27
|
|
|
class AprsInternetService(object): |
|
28
|
|
|
|
|
29
|
|
|
"""APRS Object.""" |
|
30
|
|
|
|
|
31
|
|
|
logger = logging.getLogger(__name__) |
|
32
|
|
|
logger.setLevel(aprsConstants.LOG_LEVEL) |
|
33
|
|
|
console_handler = logging.StreamHandler() |
|
34
|
|
|
console_handler.setLevel(aprsConstants.LOG_LEVEL) |
|
35
|
|
|
console_handler.setFormatter(aprsConstants.LOG_FORMAT) |
|
36
|
|
|
logger.addHandler(console_handler) |
|
37
|
|
|
logger.propagate = False |
|
38
|
|
|
|
|
39
|
|
|
def __init__(self, user, password='-1', input_url=None): |
|
40
|
|
|
self.user = user |
|
41
|
|
|
self._url = input_url or aprsConstants.APRSIS_URL |
|
42
|
|
|
self._auth = ' '.join( |
|
43
|
|
|
['user', user, 'pass', password, 'vers', 'APRS Python Module']) |
|
44
|
|
|
self.aprsis_sock = None |
|
45
|
|
|
|
|
46
|
|
|
def connect(self, server=None, port=None, aprs_filter=None): |
|
47
|
|
|
""" |
|
48
|
|
|
Connects & logs in to APRS-IS. |
|
49
|
|
|
|
|
50
|
|
|
:param server: Optional alternative APRS-IS server. |
|
51
|
|
|
:param port: Optional APRS-IS port. |
|
52
|
|
|
:param filter: Optional filter to use. |
|
53
|
|
|
:type server: str |
|
54
|
|
|
:type port: int |
|
55
|
|
|
:type filte: str |
|
56
|
|
|
""" |
|
57
|
|
|
server = server or aprsConstants.APRSIS_SERVER |
|
58
|
|
|
port = port or aprsConstants.APRSIS_FILTER_PORT |
|
59
|
|
|
aprs_filter = aprs_filter or '/'.join(['p', self.user]) |
|
60
|
|
|
|
|
61
|
|
|
self.full_auth = ' '.join([self._auth, 'filter', aprs_filter]) |
|
62
|
|
|
|
|
63
|
|
|
self.server = server |
|
64
|
|
|
self.port = port |
|
65
|
|
|
self.aprsis_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) |
|
66
|
|
|
self.aprsis_sock.connect((server, port)) |
|
67
|
|
|
self.logger.info('Connected to server=%s port=%s', server, port) |
|
68
|
|
|
self.logger.debug('Sending full_auth=%s', self.full_auth) |
|
69
|
|
|
self.aprsis_sock.sendall((self.full_auth + '\n\r').encode('ascii')) |
|
70
|
|
|
|
|
71
|
|
|
def send(self, frame, headers=None, protocol='TCP'): |
|
72
|
|
|
""" |
|
73
|
|
|
Sends message to APRS-IS. |
|
74
|
|
|
|
|
75
|
|
|
:param message: Message to send to APRS-IS. |
|
76
|
|
|
:param headers: Optional HTTP headers to post. |
|
77
|
|
|
:param protocol: Protocol to use: One of TCP, HTTP or UDP. |
|
78
|
|
|
:type message: str |
|
79
|
|
|
:type headers: dict |
|
80
|
|
|
|
|
81
|
|
|
:return: True on success, False otherwise. |
|
82
|
|
|
:rtype: bool |
|
83
|
|
|
""" |
|
84
|
|
|
self.logger.debug( |
|
85
|
|
|
'message=%s headers=%s protocol=%s', str(frame), headers, protocol) |
|
86
|
|
|
|
|
87
|
|
|
if 'TCP' in protocol: |
|
88
|
|
|
self.logger.debug('sending message=%s', str(frame)) |
|
89
|
|
|
# TODO: simplify this |
|
90
|
|
|
message = bytearray() |
|
91
|
|
|
for frame_chr in aprsUtil.format_aprs_frame(frame): |
|
92
|
|
|
message.append(ord(frame_chr)) |
|
93
|
|
|
message_sent = False |
|
94
|
|
|
while not message_sent: |
|
95
|
|
|
self.aprsis_sock.sendall(message) |
|
96
|
|
|
message_sent = True |
|
97
|
|
|
return True |
|
98
|
|
|
elif 'HTTP' in protocol: |
|
99
|
|
|
content = "\n".join([self._auth, aprsUtil.format_aprs_frame(frame)]) |
|
100
|
|
|
headers = headers or aprsConstants.APRSIS_HTTP_HEADERS |
|
101
|
|
|
result = requests.post(self._url, data=content, headers=headers) |
|
102
|
|
|
return 204 in result.status_code |
|
103
|
|
|
elif 'UDP' in protocol: |
|
104
|
|
|
content = "\n".join([self._auth, aprsUtil.format_aprs_frame(frame)]) |
|
105
|
|
|
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) |
|
106
|
|
|
sock.sendto( |
|
107
|
|
|
content, |
|
108
|
|
|
(aprsConstants.APRSIS_SERVER, aprsConstants.APRSIS_RX_PORT) |
|
109
|
|
|
) |
|
110
|
|
|
return True |
|
111
|
|
|
|
|
112
|
|
|
def receive(self, callback=None): |
|
113
|
|
|
""" |
|
114
|
|
|
Receives from APRS-IS. |
|
115
|
|
|
|
|
116
|
|
|
:param callback: Optional callback to deliver data to. |
|
117
|
|
|
:type callback: func |
|
118
|
|
|
""" |
|
119
|
|
|
recvd_data = '' |
|
120
|
|
|
|
|
121
|
|
|
try: |
|
122
|
|
|
while 1: |
|
123
|
|
|
recv_data = self.aprsis_sock.recv(aprsConstants.RECV_BUFFER) |
|
124
|
|
|
|
|
125
|
|
|
if not recv_data: |
|
126
|
|
|
break |
|
127
|
|
|
|
|
128
|
|
|
recvd_data += recv_data |
|
129
|
|
|
|
|
130
|
|
|
self.logger.debug('recv_data=%s', recv_data.strip()) |
|
131
|
|
|
|
|
132
|
|
|
if recvd_data.endswith('\r\n'): |
|
133
|
|
|
lines = recvd_data.strip().split('\r\n') |
|
134
|
|
|
recvd_data = '' |
|
135
|
|
|
else: |
|
136
|
|
|
lines = recvd_data.split('\r\n') |
|
137
|
|
|
recvd_data = str(lines.pop(-1)) |
|
138
|
|
|
|
|
139
|
|
|
for line in lines: |
|
140
|
|
|
if line.startswith('#'): |
|
141
|
|
|
if 'logresp' in line: |
|
142
|
|
|
self.logger.debug('logresp=%s', line) |
|
143
|
|
|
else: |
|
144
|
|
|
self.logger.debug('line=%s', line) |
|
145
|
|
|
if callback: |
|
146
|
|
|
callback(line) |
|
147
|
|
|
|
|
148
|
|
|
except socket.error as sock_err: |
|
149
|
|
|
self.logger.error(sock_err) |
|
150
|
|
|
raise |
|
151
|
|
|
|
Syncleus /
apex
