def __init__(self, device, readwrite=False):
"""
initialize a new instance
:param device: the file descriptor
:param readwrite: access type
"""
self._is_libiscsi = False
self._is_linux_sgio = False
self._opcodes = scsi_enum_command.spc
if _have_libiscsi and device[:8] == 'iscsi://':
self._iscsi = libiscsi.iscsi_create_context(
'iqn.2007-10.com.github:python-scsi')
self._iscsi_url = libiscsi.iscsi_parse_full_url(
self._iscsi, device)
libiscsi.iscsi_set_targetname(self._iscsi, self._iscsi_url.target)
libiscsi.iscsi_set_session_type(self._iscsi,
libiscsi.ISCSI_SESSION_NORMAL)
libiscsi.iscsi_set_header_digest(
self._iscsi, libiscsi.ISCSI_HEADER_DIGEST_NONE_CRC32C)
libiscsi.iscsi_full_connect_sync(self._iscsi,
self._iscsi_url.portal,
self._iscsi_url.lun)
self._is_libiscsi = True
elif _have_linux_sgio and device[:5] == '/dev/':
self._is_linux_sgio = True
self._fd = linux_sgio.open(device, bool(readwrite))
else:
raise NotImplementedError('No backend implemented for %s' % device)
def __init__(self,
device,
readwrite=False):
"""
initialize a new instance of a SCSIDevice
:param device: the file descriptor
:param readwrite: access type
"""
self._is_libiscsi = False
self._is_linux_sgio = False
self._opcodes = scsi_enum_command.spc
if _have_libiscsi and device[:8] == 'iscsi://':
self._iscsi = libiscsi.iscsi_create_context('iqn.2007-10.com.github:python-scsi')
self._iscsi_url = libiscsi.iscsi_parse_full_url(self._iscsi,
device)
libiscsi.iscsi_set_targetname(self._iscsi,
self._iscsi_url.target)
libiscsi.iscsi_set_session_type(self._iscsi,
libiscsi.ISCSI_SESSION_NORMAL)
libiscsi.iscsi_set_header_digest(self._iscsi,
libiscsi.ISCSI_HEADER_DIGEST_NONE_CRC32C)
libiscsi.iscsi_full_connect_sync(self._iscsi,
self._iscsi_url.portal,
self._iscsi_url.lun)
self._is_libiscsi = True
elif _have_linux_sgio and device[:5] == '/dev/':
self._is_linux_sgio = True
self._fd = linux_sgio.open(device,
bool(readwrite))
else:
raise NotImplementedError('No backend implemented for %s' % device)
def discovery():
_iscsi = libiscsi.iscsi_create_context('iqn.2007-10.com.github:python-scsi')
_iscsi_url = libiscsi.iscsi_parse_full_url(_iscsi, 'iscsi://127.0.0.1/iqn.ronnie.test/1')
libiscsi.iscsi_set_targetname(_iscsi, _iscsi_url.target)
libiscsi.iscsi_set_session_type(_iscsi, libiscsi.ISCSI_SESSION_DISCOVERY)
libiscsi.iscsi_set_header_digest(_iscsi, libiscsi.ISCSI_HEADER_DIGEST_NONE_CRC32C)
libiscsi.iscsi_full_connect_sync(_iscsi, _iscsi_url.portal, _iscsi_url.lun)
_da = libiscsi.iscsi_discovery_sync(_iscsi)
da = _da
while da:
print 'Target', da.target_name
dp = da.portals
while dp:
print ' Portal', dp.portal
dp = dp.next
da = da.next
libiscsi.iscsi_free_discovery_data(_iscsi, _da)
def discovery():
_iscsi = libiscsi.iscsi_create_context(
'iqn.2007-10.com.github:python-scsi')
_iscsi_url = libiscsi.iscsi_parse_full_url(
_iscsi, 'iscsi://127.0.0.1/iqn.ronnie.test/1')
libiscsi.iscsi_set_targetname(_iscsi, _iscsi_url.target)
libiscsi.iscsi_set_session_type(_iscsi, libiscsi.ISCSI_SESSION_DISCOVERY)
libiscsi.iscsi_set_header_digest(_iscsi,
libiscsi.ISCSI_HEADER_DIGEST_NONE_CRC32C)
libiscsi.iscsi_full_connect_sync(_iscsi, _iscsi_url.portal, _iscsi_url.lun)
_da = libiscsi.iscsi_discovery_sync(_iscsi)
da = _da
while da:
print 'Target', da.target_name
dp = da.portals
while dp:
print ' Portal', dp.portal
dp = dp.next
da = da.next
libiscsi.iscsi_free_discovery_data(_iscsi, _da)