def Connect(rasEntryName, numRetries=5):
"""Make a connection to the specified RAS entry.
Returns a tuple of (bool, handle) on success.
- bool is 1 if a new connection was established, or 0 is a connection already existed.
- handle is a RAS HANDLE that can be passed to Disconnect() to end the connection.
Raises a ConnectionError if the connection could not be established.
"""
assert numRetries > 0
for info in win32ras.EnumConnections():
if info[1].lower() == rasEntryName.lower():
print "Already connected to", rasEntryName
return 0, info[0]
dial_params, have_pw = win32ras.GetEntryDialParams(None, rasEntryName)
if not have_pw:
print "Error: The password is not saved for this connection"
print "Please connect manually selecting the 'save password' option and try again"
sys.exit(1)
print "Connecting to", rasEntryName, "..."
retryCount = numRetries
while retryCount > 0:
rasHandle, errCode = win32ras.Dial(None, None, dial_params, None)
if win32ras.IsHandleValid(rasHandle):
bValid = 1
break
print "Retrying..."
win32api.Sleep(5000)
retryCount = retryCount - 1
if errCode:
raise ConnectionError(errCode, win32ras.GetErrorString(errCode))
return 1, rasHandle
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