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#!/usr/bin/env python
#
# Copyright (c) 2011-2014 Red Hat, Inc. <http://www.redhat.com>
# 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.
#
import os
import logging
import syncdutils
from syncdutils import select, CHANGELOG_AGENT_SERVER_VERSION
from repce import RepceServer
class _MetaChangelog(object):
def __getattr__(self, meth):
from libgfchangelog import Changes as LChanges
xmeth = [m for m in dir(LChanges) if m[0] != '_']
if meth not in xmeth:
return
for m in xmeth:
setattr(self, m, getattr(LChanges, m))
return getattr(self, meth)
Changes = _MetaChangelog()
class Changelog(object):
def version(self):
return CHANGELOG_AGENT_SERVER_VERSION
def init(self):
return Changes.cl_init()
def register(self, cl_brick, cl_dir, cl_log, cl_level, retries=0):
return Changes.cl_register(cl_brick, cl_dir, cl_log, cl_level, retries)
def scan(self):
return Changes.cl_scan()
def getchanges(self):
return Changes.cl_getchanges()
def done(self, clfile):
return Changes.cl_done(clfile)
def history(self, changelog_path, start, end, num_parallel):
return Changes.cl_history_changelog(changelog_path, start, end,
num_parallel)
def history_scan(self):
return Changes.cl_history_scan()
def history_getchanges(self):
return Changes.cl_history_getchanges()
def history_done(self, clfile):
return Changes.cl_history_done(clfile)
class ChangelogAgent(object):
def __init__(self, obj, fd_tup):
(inf, ouf, rw, ww) = fd_tup.split(',')
os.close(int(rw))
os.close(int(ww))
repce = RepceServer(obj, int(inf), int(ouf), 1)
t = syncdutils.Thread(target=lambda: (repce.service_loop(),
syncdutils.finalize()))
t.start()
logging.info('Agent listining...')
select((), (), ())
def agent(obj, fd_tup):
return ChangelogAgent(obj, fd_tup)
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