Mercurial > templog
annotate server/ts.py @ 28:e3e0ed7758f9
hmac
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Tue, 12 Jun 2012 00:35:23 +0800 |
parents | dbbd503119ba |
children | 048143905092 |
rev | line source |
---|---|
21
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
1 #!/usr/bin/env python2.7 |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
2 |
22
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
3 BTADDR = "00:12:03:27:70:88" |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
4 SLEEP_TIME = 180 |
23
b5925cb4f264
Fix bugs in server code (try actually running it)
Matt Johnston <matt@ucc.asn.au>
parents:
22
diff
changeset
|
5 # time that the bluetooth takes to get going? |
b5925cb4f264
Fix bugs in server code (try actually running it)
Matt Johnston <matt@ucc.asn.au>
parents:
22
diff
changeset
|
6 EXTRA_WAKEUP = 0 |
b5925cb4f264
Fix bugs in server code (try actually running it)
Matt Johnston <matt@ucc.asn.au>
parents:
22
diff
changeset
|
7 |
24
44c5ab5ea879
- some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents:
23
diff
changeset
|
8 FETCH_TRIES = 3 |
44c5ab5ea879
- some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents:
23
diff
changeset
|
9 |
23
b5925cb4f264
Fix bugs in server code (try actually running it)
Matt Johnston <matt@ucc.asn.au>
parents:
22
diff
changeset
|
10 # avoid turning off the bluetooth etc. |
b5925cb4f264
Fix bugs in server code (try actually running it)
Matt Johnston <matt@ucc.asn.au>
parents:
22
diff
changeset
|
11 TESTING = True |
22
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
12 |
21
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
13 import sys |
27
dbbd503119ba
Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents:
26
diff
changeset
|
14 # for wrt |
dbbd503119ba
Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents:
26
diff
changeset
|
15 sys.path.append('/root/python') |
dbbd503119ba
Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents:
26
diff
changeset
|
16 import httplib |
22
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
17 import time |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
18 import traceback |
28 | 19 import binascii |
20 import hmac | |
21 | |
22 import config | |
22
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
23 |
26
d3e5934fe55c
- Move crc16 to utils and fix it
Matt Johnston <matt@ucc.asn.au>
parents:
25
diff
changeset
|
24 from utils import monotonic_time, retry, readline, crc16 |
21
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
25 |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
26 lightblue = None |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
27 try: |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
28 import lightblue |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
29 except ImportError: |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
30 import bluetooth |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
31 |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
32 def get_socket(addr): |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
33 if lightblue: |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
34 s = lightblue.socket() |
23
b5925cb4f264
Fix bugs in server code (try actually running it)
Matt Johnston <matt@ucc.asn.au>
parents:
22
diff
changeset
|
35 s.connect((addr, 1)) |
24
44c5ab5ea879
- some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents:
23
diff
changeset
|
36 s.settimeout(3) |
21
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
37 else: |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
38 s = bluetooth.BluetoothSocket( bluetooth.RFCOMM ) |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
39 s.connect((addr, 1)) |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
40 |
24
44c5ab5ea879
- some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents:
23
diff
changeset
|
41 s.setblocking(False) |
44c5ab5ea879
- some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents:
23
diff
changeset
|
42 |
21
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
43 return s |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
44 |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
45 |
22
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
46 @retry() |
21
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
47 def fetch(sock): |
24
44c5ab5ea879
- some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents:
23
diff
changeset
|
48 print "fetch" |
21
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
49 sock.send("fetch\n") |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
50 |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
51 crc = 0 |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
52 |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
53 lines = [] |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
54 l = readline(sock) |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
55 if l != 'START\n': |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
56 print>>sys.stderr, "Bad expected START line '%s'\n" % l.rstrip('\n') |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
57 return None |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
58 crc = crc16(l, crc) |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
59 lines.append(l) |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
60 |
24
44c5ab5ea879
- some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents:
23
diff
changeset
|
61 while True: |
21
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
62 l = readline(sock) |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
63 |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
64 crc = crc16(l, crc) |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
65 |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
66 if l == 'END\n': |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
67 break |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
68 |
27
dbbd503119ba
Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents:
26
diff
changeset
|
69 lines.append(l.rstrip('\n')) |
21
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
70 |
24
44c5ab5ea879
- some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents:
23
diff
changeset
|
71 print lines |
44c5ab5ea879
- some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents:
23
diff
changeset
|
72 |
21
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
73 l = readline(sock) |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
74 recv_crc = None |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
75 try: |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
76 k, v = l.rstrip('\n').split('=') |
25
2943f62c8e62
- Make the python work on openwrt
Matt Johnston <matt@ucc.asn.au>
parents:
24
diff
changeset
|
77 print k,v |
21
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
78 if k == 'CRC': |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
79 recv_crc = int(v) |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
80 if recv_crc < 0 or recv_crc > 0xffff: |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
81 recv_crc = None |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
82 except ValueError: |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
83 pass |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
84 |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
85 if recv_crc is None: |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
86 print>>sys.stderr, "Bad expected CRC line '%s'\n" % l.rstrip('\n') |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
87 return None |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
88 |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
89 if recv_crc != crc: |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
90 print>>sys.stderr, "Bad CRC: calculated 0x%x vs received 0x%x\n" % (crc, recv_crc) |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
91 return None |
2029633912c2
untested simple server proxy code
Matt Johnston <matt@ucc.asn.au>
parents:
diff
changeset
|
92 |
27
dbbd503119ba
Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents:
26
diff
changeset
|
93 return lines |
22
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
94 |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
95 @retry() |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
96 def turn_off(sock): |
23
b5925cb4f264
Fix bugs in server code (try actually running it)
Matt Johnston <matt@ucc.asn.au>
parents:
22
diff
changeset
|
97 if TESTING: |
b5925cb4f264
Fix bugs in server code (try actually running it)
Matt Johnston <matt@ucc.asn.au>
parents:
22
diff
changeset
|
98 return None |
22
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
99 sock.send("btoff\n"); |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
100 # read newline |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
101 l = readline(sock) |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
102 if not l: |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
103 print>>sys.stderr, "Bad response to btoff\n" |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
104 return None |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
105 |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
106 off, next_wake = l.rstrip().split(':') |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
107 if off != 'Off': |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
108 print>>sys.stderr, "Bad response to btoff '%s'\n" % l |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
109 |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
110 return int(next_wake) |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
111 |
28 | 112 def send_results(lines): |
113 enc_lines = binascii.b2a_base64('\n'.join(lines)) | |
114 hmac.new(config.HMAC_KEY, enc_lines).hexdigest() | |
115 | |
116 url_data = urllib.url_encode( ('lines', enc_lines), ('hmac', mac) ) | |
117 con = urllib2.urlopen(config.UPDATE_URL, url_data) | |
118 | |
119 | |
22
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
120 def do_comms(sock): |
25
2943f62c8e62
- Make the python work on openwrt
Matt Johnston <matt@ucc.asn.au>
parents:
24
diff
changeset
|
121 print "do_comms" |
22
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
122 d = None |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
123 # serial could be unreliable, try a few times |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
124 for i in range(FETCH_TRIES): |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
125 d = fetch(sock) |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
126 if d: |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
127 break |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
128 time.sleep(1) |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
129 if not d: |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
130 return |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
131 |
27
dbbd503119ba
Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents:
26
diff
changeset
|
132 res = send_results(d) |
22
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
133 if not res: |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
134 return |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
135 |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
136 clear_meas(sock) |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
137 |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
138 next_wake = turn_off(sock) |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
139 sock.close() |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
140 return next_wake |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
141 |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
142 testcount = 0 |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
143 |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
144 def sleep_for(secs): |
23
b5925cb4f264
Fix bugs in server code (try actually running it)
Matt Johnston <matt@ucc.asn.au>
parents:
22
diff
changeset
|
145 until = monotonic_time() + secs |
22
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
146 while True: |
24
44c5ab5ea879
- some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents:
23
diff
changeset
|
147 length = until - monotonic_time() |
22
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
148 if length <= 0: |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
149 return |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
150 time.sleep(length) |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
151 |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
152 def main(): |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
153 |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
154 while True: |
23
b5925cb4f264
Fix bugs in server code (try actually running it)
Matt Johnston <matt@ucc.asn.au>
parents:
22
diff
changeset
|
155 sock = None |
b5925cb4f264
Fix bugs in server code (try actually running it)
Matt Johnston <matt@ucc.asn.au>
parents:
22
diff
changeset
|
156 try: |
b5925cb4f264
Fix bugs in server code (try actually running it)
Matt Johnston <matt@ucc.asn.au>
parents:
22
diff
changeset
|
157 sock = get_socket(BTADDR) |
b5925cb4f264
Fix bugs in server code (try actually running it)
Matt Johnston <matt@ucc.asn.au>
parents:
22
diff
changeset
|
158 except Exception, e: |
b5925cb4f264
Fix bugs in server code (try actually running it)
Matt Johnston <matt@ucc.asn.au>
parents:
22
diff
changeset
|
159 print>>sys.stderr, "Error connecting:" |
b5925cb4f264
Fix bugs in server code (try actually running it)
Matt Johnston <matt@ucc.asn.au>
parents:
22
diff
changeset
|
160 traceback.print_exc(file=sys.stderr) |
22
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
161 sleep_time = SLEEP_TIME |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents:
21
diff
changeset
|
162 if sock: |
885532437100
A bit of work on the server python
Matt Johnston <matt@ucc.asn.au> |