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## system-config-printer
## Copyright (C) 2006 Red Hat, Inc.
## Copyright (C) 2006 Florian Festi <ffesti@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
for res in socket.getaddrinfo(host, port, socket.AF_UNSPEC, socket.SOCK_STREAM):
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
s.send('\0x02%s\n' % name) # cmd send job to queue
data = s.recv(1024) # receive status
print repr(data)
s.close()
if len(data)>0 and data[0]==0:
s.send('\0x01\n') # abort job again
result.append(name)
return True
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
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