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# Remote nusers client interface
import rpc
from rpc import Packer, Unpacker, UDPClient, BroadcastUDPClient
class RnusersPacker(Packer):
def pack_utmp(self, ui):
ut_line, ut_name, ut_host, ut_time = utmp
self.pack_string(ut_line)
self.pack_string(ut_name)
self.pack_string(ut_host)
self.pack_int(ut_time)
def pack_utmpidle(self, ui):
ui_itmp, ui_idle = ui
self.pack_utmp(ui_utmp)
self.pack_uint(ui_idle)
def pack_utmpidlearr(self, list):
self.pack_array(list, self.pack_itmpidle)
class RnusersUnpacker(Unpacker):
def unpack_utmp(self):
ut_line = self.unpack_string()
ut_name = self.unpack_string()
ut_host = self.unpack_string()
ut_time = self.unpack_int()
return ut_line, ut_name, ut_host, ut_time
def unpack_utmpidle(self):
ui_utmp = self.unpack_utmp()
ui_idle = self.unpack_uint()
return ui_utmp, ui_idle
def unpack_utmpidlearr(self):
return self.unpack_array(self.unpack_utmpidle)
class PartialRnusersClient:
def addpackers(self):
self.packer = RnusersPacker().init()
self.unpacker = RnusersUnpacker().init('')
def Num(self):
return self.make_call(1, None, None, self.unpacker.unpack_int)
def Names(self):
return self.make_call(2, None, \
None, self.unpacker.unpack_utmpidlearr)
def Allnames(self):
return self.make_call(3, None, \
None, self.unpacker.unpack_utmpidlearr)
class RnusersClient(PartialRnusersClient, UDPClient):
def init(self, host):
return UDPClient.init(self, host, 100002, 2)
class BroadcastRnusersClient(PartialRnusersClient, BroadcastUDPClient):
def init(self, bcastaddr):
return BroadcastUDPClient.init(self, bcastaddr, 100002, 2)
def test():
import sys
if not sys.argv[1:]:
testbcast()
return
else:
host = sys.argv[1]
c = RnusersClient().init(host)
list = c.Names()
for (line, name, host, time), idle in list:
line = strip0(line)
name = strip0(name)
host = strip0(host)
print `name`, `host`, `line`, time, idle
def testbcast():
c = BroadcastRnusersClient().init('<broadcast>')
def listit(list, fromaddr):
host, port = fromaddr
print host + '\t:',
for (line, name, host, time), idle in list:
print strip0(name),
print
c.set_reply_handler(listit)
all = c.Names()
print 'Total Count:', len(all)
def strip0(s):
while s and s[-1] == '\0': s = s[:-1]
return s
test()
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