def stress(*args):
"""
stress method
"""
thread = args[0]
for j in range(0, MAX_ITER):
print(thread, end=' ')
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult != SCARD_S_SUCCESS:
raise EstablishContextException(hresult)
hresult = SCardReleaseContext(hcontext)
# print("SCardReleaseContext()", SCardGetErrorMessage(hresult))
if hresult != SCARD_S_SUCCESS:
raise ReleaseContextException(hresult)
def _list(self):
try:
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult != SCARD_S_SUCCESS:
raise Exception('Failed to establish context : ' +
SCardGetErrorMessage(hresult))
try:
hresult, readers = SCardListReaders(hcontext, [])
if hresult != SCARD_S_SUCCESS:
raise Exception('Failed to list readers: ' +
SCardGetErrorMessage(hresult))
return readers
finally:
hresult = SCardReleaseContext(hcontext)
if hresult != SCARD_S_SUCCESS:
raise Exception('Failed to release context: ' +
SCardGetErrorMessage(hresult))
except: # noqa: E722
return []
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.")
def __releaseContext(self):
hresult = SCardReleaseContext(self.hcontext)
if hresult != SCARD_S_SUCCESS:
raise CardConnectionException('Failed to release context: ' + SCardGetErrorMessage(hresult))
self.hcontext = None