def _register_file(self, fh):
addr = self.cur_addr
self.cur_addr += self.fh_size
fh.addr = addr
fh.b_addr = addr >> 2
self.files_by_b_addr[fh.b_addr] = fh
log_file.info("registered: %s" % fh)
def set_protection(self, ami_path, mask):
sys_path = self.path_mgr.ami_to_sys_path(ami_path)
if sys_path == None or not os.path.exists(sys_path):
log_file.info("file to set proteciton not found: '%s'", ami_path)
return ERROR_OBJECT_NOT_FOUND
prot = DosProtection(mask)
posix_mask = 0
if prot.is_e():
posix_mask |= stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH
if prot.is_w():
posix_mask |= stat.S_IWUSR | stat.S_IWGRP | stat.S_IWOTH
if prot.is_r():
posix_mask |= stat.S_IRUSR | stat.S_IRGRP | stat.S_IROTH
posix_mask &= ~self.umask
log_file.info(
"set protection: '%s': %s -> '%s': posix_mask=%03o umask=%03o",
ami_path,
prot,
sys_path,
posix_mask,
self.umask,
)
try:
os.chmod(sys_path, posix_mask)
return NO_ERROR
except OSError:
return ERROR_OBJECT_WRONG_TYPE
def open(self, ami_path, f_mode):
try:
# special names
uname = ami_path.upper()
if uname == 'NIL:':
sys_name = "/dev/null"
fobj = open(sys_name, f_mode)
fh = AmiFile(fobj, ami_path, sys_name)
elif uname in ('*', 'CONSOLE:'):
sys_name = ''
fh = AmiFile(sys.stdout, '*', '', need_close=False)
else:
sys_path = self.path_mgr.ami_to_sys_path(ami_path)
if sys_path == None:
log_file.info("file not found: '%s' -> '%s'" %
(ami_path, sys_path))
return None
fobj = open(sys_path, f_mode)
fh = AmiFile(fobj, ami_path, sys_path)
self._register_file(fh)
return fh
except IOError:
log_file.info("error opening: '%s' -> '%s'" % (ami_path, sys_path))
return None
def _register_file(self, fh):
addr = self.cur_addr
self.cur_addr += self.fh_size
fh.addr = addr
fh.b_addr = addr >> 2
self.files_by_b_addr[fh.b_addr] = fh
log_file.info("registered: %s" % fh)
def open(self, ami_path, f_mode):
try:
# special names
uname = ami_path.upper()
if uname == "NIL:":
sys_name = "/dev/null"
fobj = open(sys_name, f_mode)
fh = AmiFile(fobj, ami_path, sys_name)
elif uname in ("*", "CONSOLE:"):
sys_name = ""
fh = AmiFile(sys.stdout, "*", "", need_close=False)
else:
# map to system path
sys_path = self.path_mgr.ami_to_sys_path(ami_path)
if sys_path == None:
log_file.info("file not found: '%s' -> '%s'" % (ami_path, sys_path))
return None
# make some checks on existing file
if os.path.exists(sys_path):
# if not writeable -> no append mode
if not os.access(sys_path, os.W_OK):
if f_mode[-1] == "+":
f_mode = f_mode[:-1]
log_file.debug("opening file: '%s' -> '%s' f_mode=%s" % (ami_path, sys_path, f_mode))
fobj = open(sys_path, f_mode)
fh = AmiFile(fobj, ami_path, sys_path)
self._register_file(fh)
return fh
except IOError as e:
log_file.info("error opening: '%s' -> '%s' f_mode=%s -> %s" % (ami_path, sys_path, f_mode, e))
return None
def _unregister_file(self, fh):
check = self.files_by_b_addr[fh.b_addr]
if check != fh:
raise ValueError("Invalid File to unregister: %s" % fh)
del self.files_by_b_addr[fh.b_addr]
log_file.info("unregistered: %s" % fh)
fh.addr = 0
fh.b_addr = 0
def _unregister_file(self, fh):
check = self.files_by_b_addr[fh.b_addr]
if check != fh:
raise ValueError("Invalid File to unregister: %s" % fh)
del self.files_by_b_addr[fh.b_addr]
log_file.info("unregistered: %s" % fh)
fh.addr = 0
fh.b_addr = 0
def __init__(self, path_mgr, base_addr, size):
self.path_mgr = path_mgr
self.base_addr = base_addr
self.cur_addr = base_addr
log_file.info("init manager: base=%06x" % self.base_addr)
self.files_by_b_addr = {}
LabelRange.__init__(self, "files", base_addr, size)
self.fh_def = FileHandleDef
self.fh_size = FileHandleDef.get_size()
self.fh_size = (self.fh_size + 3) & ~3
# setup std input/output
self.std_input = AmiFile(sys.stdin, '<STDIN>', '', need_close=False)
self.std_output = AmiFile(sys.stdout, '<STDOUT>', '', need_close=False)
self._register_file(self.std_input)
self._register_file(self.std_output)
# get current umask
self.umask = os.umask(0)
os.umask(self.umask)
def __init__(self, path_mgr, base_addr, size):
self.path_mgr = path_mgr
self.base_addr = base_addr
self.cur_addr = base_addr
log_file.info("init manager: base=%06x" % self.base_addr)
self.files_by_b_addr = {}
LabelRange.__init__(self, "files", base_addr, size)
self.fh_def = FileHandleDef
self.fh_size = FileHandleDef.get_size()
self.fh_size = (self.fh_size + 3) & ~3
# setup std input/output
self.std_input = AmiFile(sys.stdin, "<STDIN>", "", need_close=False)
self.std_output = AmiFile(sys.stdout, "<STDOUT>", "", need_close=False)
self._register_file(self.std_input)
self._register_file(self.std_output)
# get current umask
self.umask = os.umask(0)
os.umask(self.umask)
def set_protection(self, ami_path, mask):
sys_path = self.path_mgr.ami_to_sys_path(ami_path)
if sys_path == None or not os.path.exists(sys_path):
log_file.info("file to set proteciton not found: '%s'", ami_path)
return ERROR_OBJECT_NOT_FOUND
prot = DosProtection(mask)
posix_mask = 0
if prot.is_e():
posix_mask |= stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH
if prot.is_w():
posix_mask |= stat.S_IWUSR | stat.S_IWGRP | stat.S_IWOTH
if prot.is_r():
posix_mask |= stat.S_IRUSR | stat.S_IRGRP | stat.S_IROTH
posix_mask &= ~self.umask
log_file.info(
"set protection: '%s': %s -> '%s': posix_mask=%03o umask=%03o",
ami_path, prot, sys_path, posix_mask, self.umask)
try:
os.chmod(sys_path, posix_mask)
return NO_ERROR
except OSError:
return ERROR_OBJECT_WRONG_TYPE
def open(self, ami_path, f_mode):
try:
# special names
uname = ami_path.upper()
if uname == 'NIL:':
sys_name = "/dev/null"
fobj = open(sys_name, f_mode)
fh = AmiFile(fobj, ami_path, sys_name)
elif uname in ('*','CONSOLE:'):
sys_name = ''
fh = AmiFile(sys.stdout,'*','',need_close=False)
else:
sys_path = self.path_mgr.ami_to_sys_path(ami_path)
if sys_path == None:
log_file.info("file not found: '%s' -> '%s'" % (ami_path, sys_path))
return None
fobj = open(sys_path, f_mode)
fh = AmiFile(fobj, ami_path, sys_path)
self._register_file(fh)
return fh
except IOError:
log_file.info("error opening: '%s' -> '%s'" % (ami_path, sys_path))
return None
def rename(self, old_ami_path, new_ami_path):
old_sys_path = self.path_mgr.ami_to_sys_path(old_ami_path)
new_sys_path = self.path_mgr.ami_to_sys_path(new_ami_path)
if old_sys_path == None or not os.path.exists(old_sys_path):
log_file.info("old file to rename not found: '%s'" % old_ami_path)
return ERROR_OBJECT_NOT_FOUND
if new_sys_path == None:
log_file.info("new file to rename not found: '%s'" % new_ami_path)
return ERROR_OBJECT_NOT_FOUND
try:
os.rename(old_sys_path, new_sys_path)
return 0
except OSError as e:
log_file.info("can't rename file: '%s','%s' -> %s" % (old_ami_path, new_ami_path, e))
return ERROR_OBJECT_IN_USE
def rename(self, old_ami_path, new_ami_path):
old_sys_path = self.path_mgr.ami_to_sys_path(old_ami_path)
new_sys_path = self.path_mgr.ami_to_sys_path(new_ami_path)
if old_sys_path == None or not os.path.exists(old_sys_path):
log_file.info("old file to rename not found: '%s'" % old_ami_path)
return ERROR_OBJECT_NOT_FOUND
if new_sys_path == None:
log_file.info("new file to rename not found: '%s'" % new_ami_path)
return ERROR_OBJECT_NOT_FOUND
try:
os.rename(old_sys_path, new_sys_path)
return 0
except OSError as e:
log_file.info("can't rename file: '%s','%s' -> %s" %
(old_ami_path, new_amipath, e))
return ERROR_OBJECT_IN_USE
def delete(self, ami_path):
sys_path = self.path_mgr.ami_to_sys_path(ami_path)
if sys_path == None or not os.path.exists(sys_path):
log_file.info("file to delete not found: '%s'" % (ami_path))
return ERROR_OBJECT_NOT_FOUND
try:
if os.path.isdir(sys_path):
os.rmdir(sys_path)
else:
os.remove(sys_path)
return 0
except OSError as e:
if e.errno == errno.ENOTEMPTY: # Directory not empty
log_file.info("can't delete directory: '%s' -> not empty!" % (ami_path))
return ERROR_DIRECTORY_NOT_EMPTY
else:
log_file.info("can't delete file: '%s' -> %s" % (ami_path, e))
return ERROR_OBJECT_IN_USE
def delete(self, ami_path):
sys_path = self.path_mgr.ami_to_sys_path(ami_path)
if sys_path == None or not os.path.exists(sys_path):
log_file.info("file to delete not found: '%s'" % (ami_path))
return ERROR_OBJECT_NOT_FOUND
try:
if os.path.isdir(sys_path):
os.rmdir(sys_path)
else:
os.remove(sys_path)
return 0
except OSError as e:
if e.errno == errno.ENOTEMPTY: # Directory not empty
log_file.info("can't delete directory: '%s' -> not empty!" %
(ami_path))
return ERROR_DIRECTORY_NOT_EMPTY
else:
log_file.info("can't delete file: '%s' -> %s" % (ami_path, e))
return ERROR_OBJECT_IN_USE
