def unpack(self, reader):
data = Data()
(oid, file_size, block_size, version, file_type,
num_blocks) = struct.unpack(
self.format_str, reader.read(struct.calcsize(self.format_str)))
blocks = []
for i in range(num_blocks):
(block_id, version, offset, length, serverid, ip,
port) = struct.unpack(
self.child_format_str,
reader.read(struct.calcsize(self.child_format_str)))
ip = socket.inet_ntoa(ip)
block_data = Data(
params={
'block_id': block_id,
'version': version,
'offset': offset,
'length': length,
'serverid': serverid,
'ip': ip,
'port': port
})
blocks.append(block_data)
data.oid = oid
data.file_size = file_size
data.version = version
data.block_size = block_size
data.file_type = file_type
data.blocks = blocks
data.type = packet_types.FS_GET_OK
return data
def unpack(self, reader):
(file_type, path, block_size, replicas) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data()
data.file_type = file_type
data.path = self._short_string(path) #self._short_string(path)
data.block_size = block_size
data.replicas = replicas
data.type = packet_types.FS_CREATE
return data
def unpack(self, reader):
(file_type, path, block_size, replicas) = struct.unpack(
self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data()
data.file_type = file_type
data.path = self._short_string(path) #self._short_string(path)
data.block_size = block_size
data.replicas = replicas
data.type = packet_types.FS_CREATE
return data
def unpack(self,reader):
data = Data()
(oid,file_size,block_size, version,file_type,num_blocks) = struct.unpack(self.format_str,reader.read(struct.calcsize(self.format_str)))
blocks = []
for i in range(num_blocks):
(block_id, version, offset, length, serverid, ip, port) = struct.unpack(self.child_format_str, reader.read(struct.calcsize(self.child_format_str)))
ip = socket.inet_ntoa(ip)
block_data = Data(params={'block_id':block_id,'version':version,'offset':offset,'length':length,'serverid':serverid,'ip':ip,'port':port})
blocks.append(block_data)
data.oid = oid
data.file_size = file_size
data.version = version
data.block_size = block_size
data.file_type = file_type
data.blocks = blocks
data.type = packet_types.FS_GET_OK
return data
