def connect(self, protocol=None, mode=None, disposition=None):
'''Disconnect and reconnect in exclusive mode PCSCCardconnections.'''
CardConnectionDecorator.connect(self, protocol, mode, disposition)
component = self.component
while True:
if isinstance(
component,
smartcard.pcsc.PCSCCardConnection.PCSCCardConnection):
pcscprotocol = PCSCCardConnection.translateprotocolmask(
protocol)
if 0 == pcscprotocol:
pcscprotocol = component.getProtocol()
if component.hcard is not None:
hresult = SCardDisconnect(component.hcard,
SCARD_LEAVE_CARD)
if hresult != 0:
raise CardConnectionException(
'Failed to disconnect: ' +
SCardGetErrorMessage(hresult))
hresult, component.hcard, dwActiveProtocol = SCardConnect(
component.hcontext, str(component.reader),
SCARD_SHARE_EXCLUSIVE, pcscprotocol)
if hresult != 0:
raise CardConnectionException(
'Failed to connect with SCARD_SHARE_EXCLUSIVE' +
SCardGetErrorMessage(hresult))
# print('reconnected exclusive')
break
if hasattr(component, 'component'):
component = component.component
else:
break
def stress(*args):
"""
stress method
"""
thread = args[0]
print("Starting thread:", thread)
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult != SCARD_S_SUCCESS:
raise EstablishContextException(hresult)
hresult, readers = SCardListReaders(hcontext, [])
if hresult != SCARD_S_SUCCESS:
raise ListReadersException(hresult)
for j in range(0, MAX_ITER):
# Connect in SCARD_SHARE_SHARED mode
hresult, hcard, dwActiveProtocol = SCardConnect(
hcontext, readers[0], SCARD_SHARE_SHARED, SCARD_PROTOCOL_ANY)
if hresult != SCARD_S_SUCCESS:
raise BaseSCardException(hresult)
log = "%d:%d" % (thread, j)
print(log, end=' ')
hresult = SCardDisconnect(hcard, SCARD_LEAVE_CARD)
if hresult != SCARD_S_SUCCESS:
raise BaseSCardException(hresult)
print()
hresult = SCardReleaseContext(hcontext)
if hresult != SCARD_S_SUCCESS:
raise ReleaseContextException(hresult)
print("Exiting thread:", thread)
def close(self):
SCardDisconnect(self._card, SCARD_UNPOWER_CARD)
SCardReleaseContext(self._context)
print("select reader:", reader)
try:
# connect to card
hresult, hcard, dwActiveProtocol = SCardConnect(
hcontext,
reader,
SCARD_SHARE_SHARED,
SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1,
)
if hresult != SCARD_S_SUCCESS:
raise error("Unable to connect: " + SCardGetErrorMessage(hresult))
print("Connected with active protocol", dwActiveProtocol)
# select ARA application
transmit_command(SELECT_ARA)
# load new rule to ARA
transmit_command(LOAD)
finally:
hresult = SCardDisconnect(hcard, SCARD_UNPOWER_CARD)
if hresult != SCARD_S_SUCCESS:
raise error("Failed to disconnect: " + SCardGetErrorMessage(hresult))
print("Disconnected")
finally:
hresult = SCardReleaseContext(hcontext)
if hresult != SCARD_S_SUCCESS:
raise error("Failed to release context: " + SCardGetErrorMessage(hresult))
print("Released context.")