""" Copyright (c) 2007-2012 Red Hat, Inc. This file is part of GlusterFS. This file is licensed to you under your choice of the GNU Lesser General Public License, version 3 or any later version (LGPLv3 or later), or the GNU General Public License, version 2 (GPLv2), in all cases as published by the Free Software Foundation. """ """ This is a test translator written in python. Important things to note: This file must be import-able from glusterfsd. This probably means setting PYTHONPATH to where this file is located. This file must have a top-level xlator class object that will be used to instantiate individual translators. """ from gluster import * class MyXlator(ComplexTranslator): name = "MyXlator" def writev_cbk(self, frame, cookie, op_ret, op_errno, buf): stack_unwind(frame, op_ret, op_errno, buf) return 0 def writev(self, frame, fd, vector, count, offset): gf_log(self.name, GF_LOG_WARNING, "writev %i bytes", vector.iov_len) # TODO: Use cookie to pass this to writev_cbk old_count = vector.iov_len data = vector.getBytes().encode("zlib") vector = iovec(data) gf_log(self.name, GF_LOG_WARNING, "writev %i bytes", vector.iov_len) @ret_fn_t def rfn(frame, prev, this, op_ret, op_errno, *params): if len(params) == 0: params = [0] return self.writev_cbk(frame, prev, old_count, op_errno, *params) stack_wind(frame, rfn, self.firstChild, self.firstChild[0].fops[0].writev, fd, vector, count, offset) return 0 xlator = MyXlator