def __init__(self, vhd_pointer):
if vhd_pointer.value is None:
raise VHDError("Can't open/create the vhd file")
else:
self.vhd_pointer = vhd_pointer
self.vinil_dll = VinilDynamicLibrary().get_dynamic_library()
self.opened = True
self.footer = cast(cast(self.vhd_pointer, POINTER(VinilVHDStructure)).contents.footer, POINTER(VHDFooterStructure)).contents
def open(path): vinil_dll = VinilDynamicLibrary().get_dynamic_library() vinil_dll.vinil_vhd_open.argtypes = [c_char_p] vinil_dll.vinil_vhd_open.restype = c_void_p return VHD(c_void_p(vinil_dll.vinil_vhd_open(path)))
class VHD:
def __init__(self, vhd_pointer):
if vhd_pointer.value is None:
raise VHDError("Can't open/create the vhd file")
else:
self.vhd_pointer = vhd_pointer
self.vinil_dll = VinilDynamicLibrary().get_dynamic_library()
self.opened = True
self.footer = cast(cast(self.vhd_pointer, POINTER(VinilVHDStructure)).contents.footer, POINTER(VHDFooterStructure)).contents
@staticmethod
def open(path):
vinil_dll = VinilDynamicLibrary().get_dynamic_library()
vinil_dll.vinil_vhd_open.argtypes = [c_char_p]
vinil_dll.vinil_vhd_open.restype = c_void_p
return VHD(c_void_p(vinil_dll.vinil_vhd_open(path)))
def close(self):
if self.opened:
self.vinil_dll.vinil_vhd_close.argtypes = [c_void_p]
self.vinil_dll.vinil_vhd_close(self.vhd_pointer);
self.opened = False
def read(self, count):
self.vinil_dll.vinil_vhd_read.argtypes = [c_void_p, c_void_p, c_int]
self.vinil_dll.vinil_vhd_read.restype = c_int
buf = (c_char*512*count)()
ret = ""
if self.vinil_dll.vinil_vhd_read(self.vhd_pointer, buf, count) == 1:
for i in buf:
ret += str(i.value)
return ret
else:
raise VHDError("Can't read sectors from the vhd file")
def write(self, buf, count):
self.vinil_dll.vinil_vhd_write.argtypes = [c_void_p, c_void_p, c_int]
self.vinil_dll.vinil_vhd_write.restype = c_int
if not self.vinil_dll.vinil_vhd_write(self.vhd_pointer, buf, count) == 1:
raise VHDError("Can't write sectors to the vhd file")
def tell(self):
self.vinil_dll.vinil_vhd_tell.argtypes = [c_void_p]
self.vinil_dll.vinil_vhd_tell.restype = c_longlong
ret = self.vinil_dll.vinil_vhd_tell(self.vhd_pointer)
if ret < 0:
raise VHDError("tell couldn't be executed")
return ret
def seek(self, offset, origin):
self.vinil_dll.vinil_vhd_seek.argtypes = [c_void_p, c_longlong, c_int]
self.vinil_dll.vinil_vhd_seek.restype = c_int
if not self.vinil_dll.vinil_vhd_seek(self.vhd_pointer, offset, origin) == 1:
raise VHDError("seek couldn't be executed")
def flush(self):
self.vinil_dll.vinil_vhd_flush.argtypes = [c_void_p]
self.vinil_dll.vinil_vhd_flush.restype = c_longlong
if not self.vinil_dll.vinil_vhd_flush(self.vhd_pointer) == 1:
raise VHDError("flush couldn't be executed")
def commit_structural_changes(self):
self.vinil_dll.vinil_vhd_commit_structural_changes.argtypes = [c_void_p]
if not self.vinil_dll.vinil_vhd_commit_structural_changes(self.vhd_pointer) == 1:
raise VHDError("flush couldn't be executed")
def __del__(self):
if self.opened:
self.close()
