def getattr(self, path, fh=None): print("memory.py getattr called") if path not in self.files: packet = packets.new_packet( OP_FIND) # ask bootstrap - find location of file packet['path'] = path print('Sending OP_FIND for getattr', packet) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) reply = packets.unpack(sock.recv(MAX_READ)) print('Received OP_FIND_Rfor getattr', reply) if 'loc' not in reply: raise FuseOSError(ENOENT) loc = tuple(reply['loc']) tcp_sock = socks.tcp_sock() tcp_sock.connect(loc) # connect to other node packet = packets.new_packet(OP_GETATTR) packet['path'] = path print('Sending OP_GETATTR', packet) tcp_sock.send(packets.build(packet)) # send syscall reply = packets.unpack( tcp_sock.recv(MAX_READ)) # TODO: listen for reply in select print('Received OP_GETATTR_R', reply) if reply['getattr']: return reply['getattr'] else: raise FuseOSError(ENOENT) return self.files[path]
def getxattr(self, path, name, position=0): if path not in self.files: print("GETXATTR in other location") packet = packets.new_packet(OP_FIND) # ask bootstrap - find location of file packet['path'] = path print('Sending OP_FIND for GETXATTR', packet) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) reply = packets.unpack(sock.recv(MAX_READ)) print('Received OP_FIND_R for GETXATTR', reply) if 'loc' not in reply: raise FuseOSError(ENOENT) loc = tuple(reply['loc']) tcp_sock = socks.tcp_sock() tcp_sock.connect(loc) # connect to other node packet = packets.new_packet(OP_GETXATTR) packet['path'] = path packet['name'] = name print('Sending OP_GETXATTR', packet) tcp_sock.send(packets.build(packet)) # send syscall reply = packets.unpack(tcp_sock.recv(MAX_READ)) # TODO: listen for reply in select print('Received OP_GETXATTR_R', reply) if reply['getxattr']: return reply['getxattr'] else: attrs = self.files[path].get('attrs', {}) try: return attrs[name] except KeyError: return '' # Should return ENOATTR
def truncate(self, path, length, fh=None): if path not in self.files: print("Truncate in other location") packet = packets.new_packet( OP_FIND) # ask bootstrap - find location of file packet['path'] = path print('Sending OP_FIND for TRUNCATE', packet) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) reply = packets.unpack(sock.recv(MAX_READ)) print('Received OP_FIND_R for TRUNCATE', reply) if 'loc' not in reply: raise FuseOSError(ENOENT) loc = tuple(reply['loc']) tcp_sock = socks.tcp_sock() tcp_sock.connect(loc) # connect to other node packet = packets.new_packet(OP_TRUNC) packet['path'] = path packet['length'] = length print('Sending OP_TRUNCATE', packet) tcp_sock.send(packets.build(packet)) # send syscall reply = packets.unpack( tcp_sock.recv(MAX_READ)) # TODO: listen for reply in select print('Received OP_TRUNCATE_R', reply) else: # make sure extending the file fills in zero bytes self.data[path] = self.data[path][:length].ljust( length, b'\x00'.decode()) self.files[path]['st_size'] = length
def rename(self, old, new): print("In Rename") brename = packets.new_packet(OP_RENAME) brename['old'] = old brename['new'] = new if old not in self.files: packet = packets.new_packet(OP_FIND) # ask bootstrap - find location of file packet['path'] = old print('Sending OP_FIND for RENAME', packet) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) reply = packets.unpack(sock.recv(MAX_READ)) print('Received OP_FIND_R for RENAME', reply) if 'loc' not in reply: raise FuseOSError(ENOENT) loc = tuple(reply['loc']) tcp_sock = socks.tcp_sock() tcp_sock.connect(loc) # connect to other node packet = packets.new_packet(OP_RENAME) packet['old'] = old packet['new'] = new print('Sending OP_RENAME', packet) tcp_sock.send(packets.build(packet)) # send syscall reply = packets.unpack(tcp_sock.recv(MAX_READ)) # TODO: listen for reply in select print('Received OP_RENAME_R', reply) else: self.data[new] = self.data[old] del self.data[old] self.files[new] = self.files.pop(old) boot_sock = socks.tcp_sock() boot_sock.connect(self.bootstrap) boot_sock.send(packets.build(brename))
def unlink(self, path): print("In Unlink") brename = packets.new_packet(OP_DELETE) brename['path'] = path if path not in self.files: print("In other location") packet = packets.new_packet( OP_FIND) # ask bootstrap - find location of file packet['path'] = path print('Sending OP_FIND for DELETE', packet) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) reply = packets.unpack(sock.recv(MAX_READ)) print('Received OP_FIND_R for DELETE', reply) if 'loc' not in reply: raise FuseOSError(ENOENT) loc = tuple(reply['loc']) tcp_sock = socks.tcp_sock() tcp_sock.connect(loc) # connect to other node packet = packets.new_packet(OP_DELETE) packet['path'] = path print('Sending OP_DELETE', packet) tcp_sock.send(packets.build(packet)) # send syscall reply = packets.unpack( tcp_sock.recv(MAX_READ)) # TODO: listen for reply in select print('Received OP_DELETE_R', reply) else: print("In self") del self.data[path] self.files.pop(path) boot_sock = socks.tcp_sock() boot_sock.connect(self.bootstrap) boot_sock.send(packets.build(brename))
def rename(self, old, new): print("In Rename") brename = packets.new_packet(OP_RENAME) brename['old'] = old brename['new'] = new if old not in self.files: packet = packets.new_packet( OP_FIND) # ask bootstrap - find location of file packet['path'] = old print('Sending OP_FIND for RENAME', packet) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) reply = packets.unpack(sock.recv(MAX_READ)) print('Received OP_FIND_R for RENAME', reply) if 'loc' not in reply: raise FuseOSError(ENOENT) loc = tuple(reply['loc']) tcp_sock = socks.tcp_sock() tcp_sock.connect(loc) # connect to other node packet = packets.new_packet(OP_RENAME) packet['old'] = old packet['new'] = new print('Sending OP_RENAME', packet) tcp_sock.send(packets.build(packet)) # send syscall reply = packets.unpack( tcp_sock.recv(MAX_READ)) # TODO: listen for reply in select print('Received OP_RENAME_R', reply) else: self.data[new] = self.data[old] del self.data[old] self.files[new] = self.files.pop(old) boot_sock = socks.tcp_sock() boot_sock.connect(self.bootstrap) boot_sock.send(packets.build(brename))
def truncate(self, path, length, fh=None): if path not in self.files: print("Truncate in other location") packet = packets.new_packet(OP_FIND) # ask bootstrap - find location of file packet['path'] = path print('Sending OP_FIND for TRUNCATE', packet) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) reply = packets.unpack(sock.recv(MAX_READ)) print('Received OP_FIND_R for TRUNCATE', reply) if 'loc' not in reply: raise FuseOSError(ENOENT) loc = tuple(reply['loc']) tcp_sock = socks.tcp_sock() tcp_sock.connect(loc) # connect to other node packet = packets.new_packet(OP_TRUNC) packet['path'] = path packet['length'] = length print('Sending OP_TRUNCATE', packet) tcp_sock.send(packets.build(packet)) # send syscall reply = packets.unpack(tcp_sock.recv(MAX_READ)) # TODO: listen for reply in select print('Received OP_TRUNCATE_R', reply) else: # make sure extending the file fills in zero bytes self.data[path] = self.data[path][:length].ljust( length, b'\x00'.decode()) self.files[path]['st_size'] = length
def unlink(self, path): print("In Unlink") brename = packets.new_packet(OP_DELETE) brename['path'] = path if path not in self.files: print("In other location") packet = packets.new_packet(OP_FIND) # ask bootstrap - find location of file packet['path'] = path print('Sending OP_FIND for DELETE', packet) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) reply = packets.unpack(sock.recv(MAX_READ)) print('Received OP_FIND_R for DELETE', reply) if 'loc' not in reply: raise FuseOSError(ENOENT) loc = tuple(reply['loc']) tcp_sock = socks.tcp_sock() tcp_sock.connect(loc) # connect to other node packet = packets.new_packet(OP_DELETE) packet['path'] = path print('Sending OP_DELETE', packet) tcp_sock.send(packets.build(packet)) # send syscall reply = packets.unpack(tcp_sock.recv(MAX_READ)) # TODO: listen for reply in select print('Received OP_DELETE_R', reply) else: print("In self") del self.data[path] self.files.pop(path) boot_sock = socks.tcp_sock() boot_sock.connect(self.bootstrap) boot_sock.send(packets.build(brename))
def getxattr(self, path, name, position=0): if path not in self.files: print("GETXATTR in other location") packet = packets.new_packet( OP_FIND) # ask bootstrap - find location of file packet['path'] = path print('Sending OP_FIND for GETXATTR', packet) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) reply = packets.unpack(sock.recv(MAX_READ)) print('Received OP_FIND_R for GETXATTR', reply) if 'loc' not in reply: raise FuseOSError(ENOENT) loc = tuple(reply['loc']) tcp_sock = socks.tcp_sock() tcp_sock.connect(loc) # connect to other node packet = packets.new_packet(OP_GETXATTR) packet['path'] = path packet['name'] = name print('Sending OP_GETXATTR', packet) tcp_sock.send(packets.build(packet)) # send syscall reply = packets.unpack( tcp_sock.recv(MAX_READ)) # TODO: listen for reply in select print('Received OP_GETXATTR_R', reply) if reply['getxattr']: return reply['getxattr'] else: attrs = self.files[path].get('attrs', {}) try: return attrs[name] except KeyError: return '' # Should return ENOATTR
def getattr(self, path, fh=None): print("memory.py getattr called") if path not in self.files: packet = packets.new_packet(OP_FIND) # ask bootstrap - find location of file packet['path'] = path print('Sending OP_FIND for getattr', packet) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) reply = packets.unpack(sock.recv(MAX_READ)) print('Received OP_FIND_Rfor getattr', reply) if 'loc' not in reply: raise FuseOSError(ENOENT) loc = tuple(reply['loc']) tcp_sock = socks.tcp_sock() tcp_sock.connect(loc) # connect to other node packet = packets.new_packet(OP_GETATTR) packet['path'] = path print('Sending OP_GETATTR', packet) tcp_sock.send(packets.build(packet)) # send syscall reply = packets.unpack(tcp_sock.recv(MAX_READ)) # TODO: listen for reply in select print('Received OP_GETATTR_R', reply) if reply['getattr']: return reply['getattr'] else: raise FuseOSError(ENOENT) return self.files[path]
def write(self, path, data, offset, fh): #THIS IS WHERE WRITE HAPPENS print("WRITE in Memory") if path not in self.files: print('remote write') packet = packets.new_packet( OP_FIND) # ask bootstrap - find location of file packet['path'] = path print('Sending OP_FIND for WRITE', packet) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) reply = packets.unpack(sock.recv(MAX_READ)) print('Received OP_FIND_R for WRITE', reply) if 'loc' not in reply: raise FuseOSError(ENOENT) loc = tuple(reply['loc']) tcp_sock = socks.tcp_sock() tcp_sock.connect(loc) # connect to other node packet = packets.new_packet(OP_WRITE) packet['path'] = path packet['data'] = data.decode() packet['offset'] = offset packet['fh'] = fh print('Sending OP_WRITE', packet) tcp_sock.send(packets.build(packet)) # send syscall reply = packets.unpack( tcp_sock.recv(MAX_READ)) # TODO: listen for reply in select print('Received OP_WRITE_R', reply) if 'datalen' in reply: return reply['datalen'] else: raise FuseOSError(ENOENT) print("local write") print("current contents:", self.data[path]) print("offset", offset) print("fh", fh) self.data[path] = self.data[path][:offset].ljust( offset, b'\x00'.decode()) self.data[path] += data.decode() self.data[path] += self.data[path][offset + len(data):] # self.data[path] = ( # # make sure the data gets inserted at the right offset # self.data[path][:offset].ljust(offset, '\x00'.encode('ascii')) # + data.decode() # # and only overwrites the bytes that data is replacing # + self.data[path][offset + len(data):]) self.files[path]['st_size'] = len(self.data[path]) print("current contents:", self.data[path]) return len(data)
def write(self, path, data, offset, fh): #THIS IS WHERE WRITE HAPPENS print("WRITE in Memory") if path not in self.files: print('remote write') packet = packets.new_packet(OP_FIND) # ask bootstrap - find location of file packet['path'] = path print('Sending OP_FIND for WRITE', packet) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) reply = packets.unpack(sock.recv(MAX_READ)) print('Received OP_FIND_R for WRITE', reply) if 'loc' not in reply: raise FuseOSError(ENOENT) loc = tuple(reply['loc']) tcp_sock = socks.tcp_sock() tcp_sock.connect(loc) # connect to other node packet = packets.new_packet(OP_WRITE) packet['path'] = path packet['data'] = data.decode() packet['offset'] = offset packet['fh'] = fh print('Sending OP_WRITE', packet) tcp_sock.send(packets.build(packet)) # send syscall reply = packets.unpack(tcp_sock.recv(MAX_READ)) # TODO: listen for reply in select print('Received OP_WRITE_R', reply) if 'datalen' in reply: return reply['datalen'] else: raise FuseOSError(ENOENT) print("local write") print("current contents:", self.data[path]) print("offset", offset) print("fh", fh) self.data[path] = self.data[path][:offset].ljust(offset, b'\x00'.decode()) self.data[path] += data.decode() self.data[path] += self.data[path][offset + len(data):] # self.data[path] = ( # # make sure the data gets inserted at the right offset # self.data[path][:offset].ljust(offset, '\x00'.encode('ascii')) # + data.decode() # # and only overwrites the bytes that data is replacing # + self.data[path][offset + len(data):]) self.files[path]['st_size'] = len(self.data[path]) print("current contents:", self.data[path]) return len(data)
def readdir(self, path, fh): #This is where LS happens #return ['.', '..'] + [x[1:] for x in self.files if x != '/'] packet = packets.new_packet(OP_LS) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) ls = packets.unpack(sock.recv(MAX_READ)) print('ls contents', ls['ls']) return ['.', '..'] + [x[1:] for x in ls['ls']]
def readdir(self, path, fh): #This is where LS happens #return ['.', '..'] + [x[1:] for x in self.files if x != '/'] packet = packets.new_packet(OP_LS) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) ls = packets.unpack(sock.recv(MAX_READ)) print('ls contents', ls['ls']) return ['.', '..'] + [x[1:] for x in ls['ls']]
def read(self, path, size, offset, fh): print("memory.py read called") if path not in self.files: packet = packets.new_packet( OP_FIND) # ask bootstrap - find location of file packet['path'] = path print('Sending OP_FIND for READ', packet) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) reply = packets.unpack(sock.recv(MAX_READ)) print('Received OP_FIND_R for READ', reply) if 'loc' not in reply: raise FuseOSError(ENOENT) loc = tuple(reply['loc']) tcp_sock = socks.tcp_sock() tcp_sock.connect(loc) # connect to other node packet = packets.new_packet(OP_READ) packet['path'] = path packet['size'] = size packet['offset'] = offset packet['fh'] = fh print('Sending OP_READ', packet) tcp_sock.send(packets.build(packet)) # send syscall reply = packets.unpack( tcp_sock.recv(MAX_READ)) # TODO: listen for reply in select print('Received OP_READ_R', reply) if 'read' in reply: return reply['read'].encode('utf-8') else: raise FuseOSError(ENOENT) print("offset: ", offset) print("size: ", size) print("read contents:", self.data[path]) datalen = len(self.data[path]) print("datalen", datalen) end = datalen if datalen > size: end = size return self.data[path][offset:offset + end].encode('utf-8')
def sigint_handler(signal, frame): for n in nodes: print(tuple(n)) tcp_sock = socks.tcp_sock() try: tcp_sock.connect(tuple(n)) except: continue msg = packets.new_packet(OP_LEAVE) tcp_sock.send(packets.build(msg)) tcp_sock.close() print("Goodbye~!") sys.exit(0)
def sigint_handler(signal,frame): for n in nodes: print(tuple(n)) tcp_sock = socks.tcp_sock() try: tcp_sock.connect(tuple(n)) except: continue msg = packets.new_packet(OP_LEAVE) tcp_sock.send(packets.build(msg)) tcp_sock.close() print("Goodbye~!") sys.exit(0)
def read(self, path, size, offset, fh): print("memory.py read called") if path not in self.files: packet = packets.new_packet(OP_FIND) # ask bootstrap - find location of file packet['path'] = path print('Sending OP_FIND for READ', packet) sock = socks.tcp_sock() sock.connect(self.bootstrap) sock.send(packets.build(packet)) reply = packets.unpack(sock.recv(MAX_READ)) print('Received OP_FIND_R for READ', reply) if 'loc' not in reply: raise FuseOSError(ENOENT) loc = tuple(reply['loc']) tcp_sock = socks.tcp_sock() tcp_sock.connect(loc) # connect to other node packet = packets.new_packet(OP_READ) packet['path'] = path packet['size'] = size packet['offset'] = offset packet['fh'] = fh print('Sending OP_READ', packet) tcp_sock.send(packets.build(packet)) # send syscall reply = packets.unpack(tcp_sock.recv(MAX_READ)) # TODO: listen for reply in select print('Received OP_READ_R', reply) if 'read' in reply: return reply['read'].encode('utf-8') else: raise FuseOSError(ENOENT) print("offset: ", offset) print("size: ", size) print("read contents:",self.data[path]) datalen = len(self.data[path]) print("datalen", datalen) end = datalen if datalen > size: end = size return self.data[path][offset:offset + end].encode('utf-8')
def create(self, path, mode): self.files[path] = dict(st_mode=(S_IFREG | mode), st_nlink=1, st_size=0, st_ctime=time(), st_mtime=time(), st_atime=time()) self.data[path] = "" packet = packets.new_packet(OP_CREATE) packet['path'] = path packet['loc'] = self.node sock = socks.tcp_sock() sock.connect(self.bootstrap) print('Connected to bootstrap', sock) print('Sending packet', packet) print('Built packet', packets.build(packet)) sock.send(packets.build(packet)) # send new file to bootstrap sock.close() # should we wait for ack here? self.fd += 1 return self.fd
def create(self, path, mode): self.files[path] = dict( st_mode=(S_IFREG | mode), st_nlink=1, st_size=0, st_ctime=time(), st_mtime=time(), st_atime=time()) self.data[path] = "" packet = packets.new_packet(OP_CREATE) packet['path'] = path packet['loc'] = self.node sock = socks.tcp_sock() sock.connect(self.bootstrap) print('Connected to bootstrap', sock) print('Sending packet', packet) print('Built packet', packets.build(packet)) sock.send(packets.build(packet)) # send new file to bootstrap sock.close() # should we wait for ack here? self.fd += 1 return self.fd
def recv(conn): print('Receiving from', conn) packet = packets.unpack(conn.recv(MAX_READ)) print('Received', packet) if not packet: print('Empty packet, closing connection to', conn) close(conn) return if 'opcode' not in packet: print('Invalid packet: opcode missing') if packet['opcode'] == OP_JOIN: print("FLOOPLEDYDOOOO",packet) nodes.append(packet['loc']) elif packet['opcode'] == OP_LS: print('Received OP_LS') reply = packets.new_packet(OP_LS_R) reply['ls'] = list(files.keys()) conn.send(packets.build(reply)) elif packet['opcode'] == OP_CREATE: print('Creating file') files[packet['path']] = packet['loc'] # map new file to node elif packet['opcode'] == OP_FIND: print('Received OP_FIND', packet) reply = packets.new_packet(OP_FIND_R) if packet['path'] in files: reply['loc'] = files[packet['path']] # TODO: error file not found print('Sending OP_FIND_R', reply) conn.send(packets.build(reply)) elif packet['opcode'] == OP_RENAME: print('Received OP_RENAME', packet) print('files',files) files[packet['new']] = files[packet['old']] del files[packet['old']] print('Renamed file') elif packet['opcode'] == OP_DELETE: print('Received OP_DELETE', packet) print('files', files) del files[packet['path']] print('Deleted file') elif packet['opcode'] == OP_BYE: print('Received OP_LEAVE', packet) print('nodes are: ', nodes) if packet['loc'] in nodes: nodes.remove(packet['loc']) temp = {x:y for x,y in files.items()} for f in temp: print(packet['loc']) print(temp[f]) if temp[f] == packet['loc']: del files[f] reply = packets.new_packet(OP_BYE_R) print('Sending OP_LEAVE_R', reply) print('Sending to: ',conn) conn.send(packets.build(reply)) else: print('Invalid opcode')
def recv(conn): print('Receiving from', conn) packet = packets.unpack(conn.recv(MAX_READ)) print('Received', packet) if not packet: print('Empty packet, closing connection to', conn) close(conn) return if 'opcode' not in packet: print('Invalid packet: opcode missing') if packet['opcode'] == OP_JOIN: print("FLOOPLEDYDOOOO", packet) nodes.append(packet['loc']) elif packet['opcode'] == OP_LS: print('Received OP_LS') reply = packets.new_packet(OP_LS_R) reply['ls'] = list(files.keys()) conn.send(packets.build(reply)) elif packet['opcode'] == OP_CREATE: print('Creating file') files[packet['path']] = packet['loc'] # map new file to node elif packet['opcode'] == OP_FIND: print('Received OP_FIND', packet) reply = packets.new_packet(OP_FIND_R) if packet['path'] in files: reply['loc'] = files[packet['path']] # TODO: error file not found print('Sending OP_FIND_R', reply) conn.send(packets.build(reply)) elif packet['opcode'] == OP_RENAME: print('Received OP_RENAME', packet) print('files', files) files[packet['new']] = files[packet['old']] del files[packet['old']] print('Renamed file') elif packet['opcode'] == OP_DELETE: print('Received OP_DELETE', packet) print('files', files) del files[packet['path']] print('Deleted file') elif packet['opcode'] == OP_BYE: print('Received OP_LEAVE', packet) print('nodes are: ', nodes) if packet['loc'] in nodes: nodes.remove(packet['loc']) temp = {x: y for x, y in files.items()} for f in temp: print(packet['loc']) print(temp[f]) if temp[f] == packet['loc']: del files[f] reply = packets.new_packet(OP_BYE_R) print('Sending OP_LEAVE_R', reply) print('Sending to: ', conn) conn.send(packets.build(reply)) else: print('Invalid opcode')
def recv(sock): print("receiving from socket") packet = packets.unpack(sock.recv(MAX_READ)) print("packet is: ", packet) if not packet: print('Read empty packet, closing connection', sock) close(sock) return if packet['opcode'] == OP_GETATTR: print('Received OP_GETATTR in node.py') reply = packets.new_packet(OP_GETATTR_R) reply['getattr'] = filesystem.getattr(packet['path']) # call getattr locally print('Sending OP_GETATTR_R', reply) sock.send(packets.build(reply)) elif packet['opcode'] == OP_BYE_R: close(sock) os.kill(os.getpid(),signal.SIGKILL) sys.exit(0) elif packet['opcode'] == OP_READ: print("Received OP_READ in node.py") reply = packets.new_packet(OP_READ_R) reply['read'] = filesystem.read(packet['path'],packet['size'],packet['offset'],packet['fh']).decode() print('Sending OP_READ_R with ', reply['read']) sock.send(packets.build(reply)) elif packet['opcode'] == OP_WRITE: print("Received OP_WRITE in node.py") reply = packets.new_packet(OP_WRITE_R) reply['datalen'] = filesystem.write(packet['path'],packet['data'].encode(),packet['offset'],packet['fh']) print('Sending OP_WRITE_R with ', reply['datalen']) sock.send(packets.build(reply)) elif packet['opcode'] == OP_TRUNC: print("Received OP_TRUNC in node.py") reply = packets.new_packet(OP_TRUNC_R) reply['trunc'] = filesystem.truncate(packet['path'],packet['length']) print('Sending OP_TRUNC_R with', reply['trunc']) sock.send(packets.build(reply)) elif packet['opcode'] == OP_GETXATTR: print("Received OP_GETXATTR in nodde.py") reply = packets.new_packet(OP_GETXATTR_R) reply['getxattr'] = filesystem.getxattr(packet['path'],packet['name']) print('Sending OP_GETXATTR_R with', reply['getxattr']) sock.send(packets.build(reply)) elif packet['opcode'] == OP_LEAVE: print("Bootstrap has exited, so we will exit too.") os.kill(os.getpid(),signal.SIGKILL) sys.exit(0) elif packet['opcode'] == OP_RENAME: print("Received OP_RENAME in node.py") reply = packets.new_packet(OP_RENAME_R) reply['rename'] = filesystem.rename(packet['old'],packet['new']) print("Sending OP_RENAME_R in node.py") sock.send(packets.build(reply)) elif packet['opcode'] == OP_DELETE: print("Received OP_DELETE in node.py") reply = packets.new_packet(OP_DELETE_R) reply['delete'] = filesystem.unlink(packet['path']) print("Sending OP_DELETE_R in node.py") sock.send(packets.build(reply)) else: print('Invalid opcode')