diff options
Diffstat (limited to 'xlators/bindings/python/src/testxlator.py')
-rw-r--r-- | xlators/bindings/python/src/testxlator.py | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/xlators/bindings/python/src/testxlator.py b/xlators/bindings/python/src/testxlator.py new file mode 100644 index 00000000000..507455c856a --- /dev/null +++ b/xlators/bindings/python/src/testxlator.py @@ -0,0 +1,56 @@ +# Copyright (c) 2007 Chris AtLee <chris@atlee.ca> +# This file is part of GlusterFS. +# +# GlusterFS is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published +# by the Free Software Foundation; either version 3 of the License, +# or (at your option) any later version. +# +# GlusterFS is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see +# <http://www.gnu.org/licenses/>. + +""" +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 |