def unpack(self,reader):
oid = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data()
data.oid = oid
data.type = packet_types.FS_DELETE_DONE
return data
def unpack(self, reader):
data = Data()
(oid, version, 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[blocks] = blocks
data.type = packet_types.FS_WRITE_OK
return data
def unpack(self,reader):
(oid, block_id, length,version,offset) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data(params={'oid':oid,'block_id':block_id,'length':length,'version':version,'offset':offset})
data.type = packet_types.FS_STORE_BLOCK
return data
def unpack(self,reader):
(oid,block_id,version,serverid,ip,port) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
ip = socket.inet_ntoa(ip)
data = Data(params={'oid':oid,'block_id':block_id, 'version':version,'serverid':serverid,'ip':ip,'port':ip})
data.type = packet_types.FS_REPLICATE_DONE
return data
def unpack(self,reader):
(oid, version) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data(params={'oid':oid,'version':version})
data.type = packet_types.FS_END_WRITE
return data
def unpack(self,reader):
data = Data()
path = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data.path = self._short_string(path[0])
data.type = packet_types.FS_STAT_FILE
return data
def unpack(self, reader):
data = Data()
(oid,block_id) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data.oid = oid
data.block_id = block_id
data.type = packet_types.FS_GET_BLOCK_REPLICAS
return data
def unpack(self, reader):
(oid, version) = struct.unpack(
self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data(params={'oid': oid, 'version': version})
data.type = packet_types.FS_WRITE_READY
return data
def unpack(self, reader):
path = struct.unpack(self.format_str,
reader.read(struct.calcsize(self.format_str)))
data = Data()
data.path = self._short_string(path[0])
data.type = packet_types.FS_DELETE_FILE
return data
def unpack(self,reader):
(oid,block_id) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data()
data.oid = oid
data.block_id = block_id
data.type = packet_types.FS_BLOCK_DELETED
return data
def unpack(self, reader):
(oid, ip,
port) = struct.unpack(self.format_str,
reader.read(struct.calcsize(self.format_str)))
ip = socket.inet_ntoa(ip)
data = Data(params={'oid': oid, 'ip': ip, 'port': port})
data.type = packet_types.FS_ERR_DATASERVER_FAILED
return data
def unpack(self, reader):
oid = struct.unpack(self.format_str,
reader.read(struct.calcsize(self.format_str)))
data = Data()
data.oid = oid
data.type = packet_types.FS_DELETE_DONE
return data
def unpack(self, reader):
data = Data()
(oid, block_id) = struct.unpack(
self.format_str, reader.read(struct.calcsize(self.format_str)))
data.oid = oid
data.block_id = block_id
data.type = packet_types.FS_GET_BLOCK_REPLICAS
return data
def unpack(self,reader):
(ip, port, serverid, oid, version, block_size) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
ip = socket.inet_ntoa(ip)
data = Data(params={'ip':ip,'port':port,'serverid':serverid,'oid':oid,'version':version,'block_size':block_size})
data.type = packet_types.FS_CREATE_OK
return data
def unpack(self, reader):
(oid, block_id) = struct.unpack(
self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data()
data.oid = oid
data.block_id = block_id
data.type = packet_types.FS_BLOCK_DELETED
return data
def unpack(self,reader):
data = Data()
(ip, port, serverid) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
ip = socket.inet_ntoa(ip)
data.ip = ip
data.port = port
data.serverid = "%s" % serverid
data.type = packet_types.ANNOUNCE
return data
def unpack(self, reader):
(oid, block_id, version) = struct.unpack(
self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data(params={
'oid': oid,
'block_id': block_id,
'version': version
})
data.type = packet_types.FS_VERSION_UPDATED
return data
def unpack(self, reader):
(src_path, dest_path) = struct.unpack(
self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data(
params={
'src_path': self._short_string(src_path),
'dest_path': self._short_string(dest_path)
})
data.type = packet_types.FS_ERR_RENAME
return data
def unpack(self, reader):
(path, offset,
length) = struct.unpack(self.format_str,
reader.read(struct.calcsize(self.format_str)))
data = Data(params={
'path': self._short_string(path),
'offset': offset,
'length': length
})
data.type = packet_types.FS_WRITE_FILE
return data
def unpack(self, reader):
(oid, block_id, version, serverid) = struct.unpack(
self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data(
params={
'oid': oid,
'block_id': block_id,
'version': version,
'serverid': serverid
})
data.type = packet_types.FS_GET_LOCK
return data
def unpack(self,reader):
"""Extracts data from an heartbeat packet"""
(ip, port, serverid) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
ip = socket.inet_ntoa(ip)
data = Data()
data.ip = ip
data.port = port
data.serverid = "%s" % serverid
data.type = packet_types.CHK_DONE
return data
def unpack(self, reader):
(oid, block_id, version,
length) = struct.unpack(self.format_str,
reader.read(struct.calcsize(self.format_str)))
data = Data(params={
'oid': oid,
'block_id': block_id,
'version': version,
'length': length
})
data.type = packet_types.FS_REQUEST_OK
return data
def unpack(self, reader):
(oid, block_id, length, ver, serverid,
offset) = struct.unpack(self.format_str,
reader.read(struct.calcsize(self.format_str)))
data = Data(
params={
'oid': oid,
'block_id': block_id,
'length': length,
'version': ver,
'serverid': serverid,
'offset': offset
})
data.type = packet_types.FS_BLOCK_STORED
return data
def unpack(self,reader):
data = Data()
(oid,version,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[blocks] = blocks
data.type = packet_types.FS_WRITE_OK
return data
def unpack(self, reader):
(serverid, oid, block_id, version, offset, length,
block_size) = struct.unpack(
self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data(
params={
'serverid': serverid,
'oid': oid,
'block_id': block_id,
'version': version,
'offset': offset,
'length': length,
'block_size': block_size
})
data.type = packet_types.FS_MODIFY_DONE
return data
def unpack(self, reader):
(oid, block_id, version, serverid, ip,
port) = struct.unpack(self.format_str,
reader.read(struct.calcsize(self.format_str)))
ip = socket.inet_ntoa(ip)
data = Data(
params={
'oid': oid,
'block_id': block_id,
'version': version,
'serverid': serverid,
'ip': ip,
'port': ip
})
data.type = packet_types.FS_REPLICATE_DONE
return data
def unpack(self, reader):
(ip, port, serverid, oid, version, block_size) = struct.unpack(
self.format_str, reader.read(struct.calcsize(self.format_str)))
ip = socket.inet_ntoa(ip)
data = Data(
params={
'ip': ip,
'port': port,
'serverid': serverid,
'oid': oid,
'version': version,
'block_size': block_size
})
data.type = packet_types.FS_CREATE_OK
return data
def unpack(self,reader):
(oid,num_blocks,version,size,type,parent,block_size,path,) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
path = self._short_string(path)
data = Data(params={'oid':oid,'num_blocks':num_blocks,'path':path,'version':version,'size':size,'file_type':type,'parent':parent,'block_size':block_size})
if data.file_type == 0:
(children_len,) = struct.unpack(self.child_format_str, reader.read(struct.calcsize(self.child_format_str)))
childs = []
for i in range(children_len):
(oid,num_blocks,version,size,type,parent,block_size,path,) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
path = self._short_string(path)
child = Data(params={'oid':oid,'num_blocks':num_blocks,'path':path,'version':version,'size':size,'file_type':type,'parent':parent,'block_size':block_size})
childs.append(child)
data.children = childs
data.type = packet_types.FS_FILE_INFO
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()
(ip, port, serverid) = struct.unpack(
self.format_str, reader.read(struct.calcsize(self.format_str)))
ip = socket.inet_ntoa(ip)
data.ip = ip
data.port = port
data.serverid = "%s" % serverid
data.type = packet_types.ANNOUNCE
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):
(oid,block_id,length) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data()
data.oid = oid
data.block_id = block_id
data.replicas = {}
for i in range(length):
(key,val) = struct.unpack(self.child_format_str, reader.read(struct.calcsize(self.child_format_str)))
data.replicas[key] = val
data.type = packet_types.FS_BLOCK_REPLICAS
return data
def unpack(self, reader):
(oid,version,length) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data()
data.oid = oid
data.version = version
data.blocks = {}
for i in range(length):
(key,val) = struct.unpack(self.child_format_str, reader.read(struct.calcsize(self.child_format_str)))
data.blocks[key] = val
data.type = packet_types.FS_OID_BLOCKS
return data
def unpack(self, reader):
"""Extracts data from an heartbeat packet"""
(ip, port, serverid) = struct.unpack(
self.format_str, reader.read(struct.calcsize(self.format_str)))
ip = socket.inet_ntoa(ip)
data = Data()
data.ip = ip
data.port = port
data.serverid = "%s" % serverid
data.type = packet_types.CHK_DONE
return data
def unpack(self, reader):
(oid, version,
length) = struct.unpack(self.format_str,
reader.read(struct.calcsize(self.format_str)))
data = Data()
data.oid = oid
data.version = version
data.blocks = {}
for i in range(length):
(key, val) = struct.unpack(
self.child_format_str,
reader.read(struct.calcsize(self.child_format_str)))
data.blocks[key] = val
data.type = packet_types.FS_OID_BLOCKS
return data
def unpack(self, reader):
(oid, block_id,
length) = struct.unpack(self.format_str,
reader.read(struct.calcsize(self.format_str)))
data = Data()
data.oid = oid
data.block_id = block_id
data.replicas = {}
for i in range(length):
(key, val) = struct.unpack(
self.child_format_str,
reader.read(struct.calcsize(self.child_format_str)))
data.replicas[key] = val
data.type = packet_types.FS_BLOCK_REPLICAS
return data
def unpack(self, reader):
(oid, length, version) = struct.unpack(
self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data(params={'oid': oid, 'length': length, 'version': version})
data.type = packet_types.FS_NODE_CREATED
return data
def unpack(self, reader):
data = Data()
data.type = packet_types.FS_STORE_OK
return data
def unpack(self,reader):
data = Data()
data.type = packet_types.FS_ERR_NODATASERVERS
return data
def unpack(self,reader):
(src_path, dest_path) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data(params={'src_path':self._short_string(src_path), 'dest_path':self._short_string(dest_path)})
data.type = packet_types.FS_ERR_RENAME
return data
def unpack(self,reader):
(oid,block_id,version) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data(params={'oid':oid,'block_id':block_id,'version':version})
data.type = packet_types.FS_ERR_LOCK_DENIED
return data
def unpack(self, reader):
(oid, version) = struct.unpack(
self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data(params={'oid': oid, 'version': version})
data.type = packet_types.FS_ERR_BUFFER_OUT_OF_RANGE
return data
def unpack(self,reader):
data = Data()
data.type = packet_types.FS_STORE_OK
return data
def unpack(self,reader):
(oid,block_id,version,serverid) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data(params={'oid':oid,'block_id':block_id,'version':version,'serverid':serverid})
data.type = packet_types.CURR_BLOCK
return data
def unpack(self,reader):
(path,offset,length) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data(params={'path':self._short_string(path),'offset':offset,'length':length})
data.type = packet_types.FS_WRITE_FILE
return data
def unpack(self, reader):
data = Data()
data.type = packet_types.FS_ERR_NO_REPLICAS
return data
def unpack(self,reader):
data = Data()
data.type = packet_types.FS_ERR_NO_REPLICAS
return data
def unpack(self,reader):
data = Data()
data.type = packet_types.FS_ERR_PATH_NOT_FOUND
return data
def unpack(self,reader):
(oid, block_id, version, length) = struct.unpack(self.format_str,reader.read(struct.calcsize(self.format_str)))
data = Data(params={'oid':oid,'block_id':block_id,'version':version,'length':length})
data.type = packet_types.FS_REQUEST_OK
return data
def unpack(self, reader):
data = Data()
data.type = packet_types.FS_ERR_NODATASERVERS
return data
def unpack(self,reader):
(serverid,oid,block_id,version,offset,length,block_size) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data(params={'serverid':serverid,'oid':oid,'block_id':block_id,'version':version,'offset':offset,'length':length,'block_size':block_size})
data.type = packet_types.FS_MODIFY_DONE
return data
def unpack(self, reader):
data = Data()
data.type = packet_types.ACK
return data
def unpack(self, data):
data = Data()
(oid, ) = struct.unpack(self.format_str,
reader.read(struct.calcsize(self.format_str)))
data.oid = oid
return data
def unpack(self,reader):
data = Data()
data.type = packet_types.ACK
return data
def unpack(self, reader):
data = Data()
data.type = packet_types.FS_ERR_PATH_NOT_FOUND
return data
def unpack(self,reader):
(oid,ip,port) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
ip = socket.inet_ntoa(ip)
data = Data(params={'oid':oid,'ip':ip,'port':port})
data.type = packet_types.FS_ERR_DATASERVER_FAILED
return data
def unpack(self,data):
data = Data()
(oid,) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data.oid = oid
return data
def unpack(self, reader):
data = Data()
data.type = packet_types.FS_ERR_CREATE
return data
def unpack(self, reader):
(oid,length,version) = struct.unpack(self.format_str, reader.read(struct.calcsize(self.format_str)))
data = Data(params={'oid':oid,'length':length,'version':version})
data.type = packet_types.FS_NODE_CREATED
return data
def unpack(self, reader):
data = Data()
data.type = packet_types.FS_ERR_CREATE
return data