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# rastest.py - test/demonstrate the win32ras module.
# Much of the code here contributed by Jethro Wright.
import sys
import os
import win32ras
# Build a little dictionary of RAS states to decent strings.
# eg win32ras.RASCS_OpenPort -> "OpenPort"
stateMap = {}
for name, val in list(win32ras.__dict__.items()):
if name[:6]=="RASCS_":
stateMap[val] = name[6:]
# Use a lock so the callback can tell the main thread when it is finished.
import win32event
callbackEvent = win32event.CreateEvent(None, 0, 0, None)
def Callback( hras, msg, state, error, exterror):
# print "Callback called with ", hras, msg, state, error, exterror
stateName = stateMap.get(state, "Unknown state?")
print("Status is %s (%04lx), error code is %d" % (stateName, state, error))
finished = state in [win32ras.RASCS_Connected]
if finished:
win32event.SetEvent(callbackEvent)
if error != 0 or int( state ) == win32ras.RASCS_Disconnected:
# we know for sure this is a good place to hangup....
print("Detected call failure: %s" % win32ras.GetErrorString( error ))
HangUp( hras )
win32event.SetEvent(callbackEvent)
def ShowConnections():
print("All phone-book entries:")
for (name,) in win32ras.EnumEntries():
print(" ", name)
print("Current Connections:")
for con in win32ras.EnumConnections():
print(" ", con)
def EditEntry(entryName):
try:
win32ras.EditPhonebookEntry(0,None,entryName)
except win32ras.error as xxx_todo_changeme:
(rc, function, msg) = xxx_todo_changeme.args
print("Can not edit/find the RAS entry -", msg)
def HangUp( hras ):
# trap potential, irrelevant errors from win32ras....
try:
win32ras.HangUp( hras )
except:
print("Tried to hang up gracefully on error, but didn't work....")
return None
def Connect(entryName, bUseCallback):
if bUseCallback:
theCallback = Callback
win32event.ResetEvent(callbackEvent)
else:
theCallback = None
# in order to *use* the username/password of a particular dun entry, one must
# explicitly get those params under win95....
try:
dp, b = win32ras.GetEntryDialParams( None, entryName )
except:
print("Couldn't find DUN entry: %s" % entryName)
else:
hras, rc = win32ras.Dial(None, None, (entryName, "", "", dp[ 3 ], dp[ 4 ], ""),theCallback)
# hras, rc = win32ras.Dial(None, None, (entryName, ),theCallback)
# print hras, rc
if not bUseCallback and rc != 0:
print("Could not dial the RAS connection:", win32ras.GetErrorString(rc))
hras = HangUp( hras )
# don't wait here if there's no need to....
elif bUseCallback and win32event.WaitForSingleObject(callbackEvent, 60000)!=win32event.WAIT_OBJECT_0:
print("Gave up waiting for the process to complete!")
# sdk docs state one must explcitly hangup, even if there's an error....
try:
cs = win32ras.GetConnectStatus( hras )
except:
# on error, attempt a hang up anyway....
hras = HangUp( hras )
else:
if int( cs[ 0 ] ) == win32ras.RASCS_Disconnected:
hras = HangUp( hras )
return hras, rc
def Disconnect( rasEntry ):
# Need to find the entry
name = rasEntry.lower()
for hcon, entryName, devName, devType in win32ras.EnumConnections():
if entryName.lower() == name:
win32ras.HangUp( hcon )
print("Disconnected from", rasEntry)
break
else:
print("Could not find an open connection to", entryName)
usage = """
Usage: %s [-s] [-l] [-c connection] [-d connection]
-l : List phone-book entries and current connections.
-s : Show status while connecting/disconnecting (uses callbacks)
-c : Connect to the specified phonebook name.
-d : Disconnect from the specified phonebook name.
-e : Edit the specified phonebook entry.
"""
def main():
import getopt
try:
opts, args = getopt.getopt(sys.argv[1:], "slc:d:e:")
except getopt.error as why:
print(why)
print(usage % (os.path.basename(sys.argv[0],)))
return
bCallback = 0
if args or not opts:
print(usage % (os.path.basename(sys.argv[0],)))
return
for opt, val in opts:
if opt=="-s":
bCallback = 1
if opt=="-l":
ShowConnections()
if opt=="-c":
hras, rc = Connect(val, bCallback)
if hras != None:
print("hras: 0x%8lx, rc: 0x%04x" % ( hras, rc ))
if opt=="-d":
Disconnect(val)
if opt=="-e":
EditEntry(val)
if __name__=='__main__':
main()