1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
## system-config-printer
## Copyright (C) 2006, 2007, 2008 Red Hat, Inc.
## Copyright (C) 2006 Florian Festi <ffesti@redhat.com>
## Copyright (C) 2007, 2008 Tim Waugh <twaugh@redhat.com>
## 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA.
import socket, time
class LpdServer:
def __init__(self, hostname):
self.hostname = hostname
self.max_lpt_com = 8
def _open_socket(self):
port = 515
try:
host, port = self.hostname.split(":", 1)
except ValueError:
host = self.hostname
s = None
try:
ai = socket.getaddrinfo(host, port, socket.AF_UNSPEC,
socket.SOCK_STREAM)
except socket.gaierror:
ai = []
for res in ai:
af, socktype, proto, canonname, sa = res
try:
s = socket.socket(af, socktype, proto)
except socket.error, msg:
s = None
continue
try:
s.connect(sa)
except socket.error, msg:
s.close()
s = None
continue
break
return s
def _probe_queue(self,name, result):
s = self._open_socket()
if not s: return False
print name
try:
s.send('\0x02%s\n' % name) # cmd send job to queue
data = s.recv(1024) # receive status
print repr(data)
except socket.error, msg:
print msg
try:
s.close ()
except:
pass
return False
if len(data)>0 and data[0]==0:
try:
s.send('\0x01\n') # abort job again
s.close ()
except:
pass
result.append(name)
return True
try:
s.close()
except:
pass
return False
def probe(self):
#s = self._open_socket()
#if s is None:
# return []
result = []
for name in ["PASSTHRU", "ps", "lp", "PORT1", ""]:
self._probe_queue(name, result)
time.sleep(0.1) # avoid DOS and following counter messures
for nr in range(self.max_lpt_com):
self._probe_queue("LPT%d" % nr, result)
time.sleep(0.1)
self._probe_queue("LPT%d_PASSTHRU" % nr, result)
time.sleep(0.1)
self._probe_queue("COM%d" % nr, result)
time.sleep(0.1)
self._probe_queue("COM%d_PASSTHRU" % nr, result)
time.sleep(0.1)
nr = 1
while nr<50:
found = self._probe_queue("pr%d" % nr, result)
time.sleep(0.1)
if not found: break
nr += 1
return result
class SocketServer:
def __init__(self, hostname):
self.hostname = hostname
class IppServer:
def __init__(self, hostname):
self.hostname = hostname
|
