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 open(self):
"""
:param dev:
:param read_write:
:return:
"""
self._fd = linux_sgio.open(self._file_name, bool(self._read_write))
def open(self):
"""
:param dev:
:param read_write:
:return:
"""
self._fd = linux_sgio.open(self._file_name,
bool(self._read_write))
self._ino = get_inode(self._file_name)