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-rw-r--r--xlators/features/marker/utils/syncdaemon/syncdutils.py160
1 files changed, 0 insertions, 160 deletions
diff --git a/xlators/features/marker/utils/syncdaemon/syncdutils.py b/xlators/features/marker/utils/syncdaemon/syncdutils.py
deleted file mode 100644
index 4bf51da746e..00000000000
--- a/xlators/features/marker/utils/syncdaemon/syncdutils.py
+++ /dev/null
@@ -1,160 +0,0 @@
-import os
-import sys
-import time
-import fcntl
-import shutil
-import logging
-from threading import Lock, Thread as baseThread
-from errno import EACCES, EAGAIN
-from signal import SIGTERM, SIGKILL
-from time import sleep
-
-from gconf import gconf
-
-try:
- # py 3
- from urllib import parse as urllib
-except ImportError:
- import urllib
-
-def escape(s):
- return urllib.quote_plus(s)
-
-def unescape(s):
- return urllib.unquote_plus(s)
-
-def norm(s):
- if s:
- return s.replace('-', '_')
-
-def update_file(path, updater, merger = lambda f: True):
- """update a file in a transaction-like manner"""
-
- fr = fw = None
- try:
- fd = os.open(path, os.O_CREAT|os.O_RDWR)
- try:
- fr = os.fdopen(fd, 'r+b')
- except:
- os.close(fd)
- raise
- fcntl.lockf(fr, fcntl.LOCK_EX)
- if not merger(fr):
- return
-
- tmpp = path + '.tmp.' + str(os.getpid())
- fd = os.open(tmpp, os.O_CREAT|os.O_EXCL|os.O_WRONLY)
- try:
- fw = os.fdopen(fd, 'wb', 0)
- except:
- os.close(fd)
- raise
- updater(fw)
- os.fsync(fd)
- os.rename(tmpp, path)
- finally:
- for fx in (fr, fw):
- if fx:
- fx.close()
-
-def grabfile(fname, content=None):
- # damn those messy open() mode codes
- fd = os.open(fname, os.O_CREAT|os.O_RDWR)
- f = os.fdopen(fd, 'r+b', 0)
- try:
- fcntl.lockf(f, fcntl.LOCK_EX|fcntl.LOCK_NB)
- except:
- ex = sys.exc_info()[1]
- f.close()
- if isinstance(ex, IOError) and ex.errno in (EACCES, EAGAIN):
- # cannot grab, it's taken
- return
- raise
- if content:
- try:
- f.truncate()
- f.write(content)
- except:
- f.close()
- raise
- gconf.permanent_handles.append(f)
- return f
-
-def grabpidfile(fname=None, setpid=True):
- if not fname:
- fname = gconf.pid_file
- content = None
- if setpid:
- content = str(os.getpid()) + '\n'
- return grabfile(fname, content=content)
-
-final_lock = Lock()
-
-def finalize(*a, **kw):
- final_lock.acquire()
- if getattr(gconf, 'pid_file', None):
- rm_pidf = gconf.pid_file_owned
- if gconf.cpid:
- # exit path from parent branch of daemonization
- rm_pidf = False
- while True:
- f = grabpidfile(setpid=False)
- if not f:
- # child has already taken over pidfile
- break
- if os.waitpid(gconf.cpid, os.WNOHANG)[0] == gconf.cpid:
- # child has terminated
- rm_pidf = True
- break;
- time.sleep(0.1)
- if rm_pidf:
- try:
- os.unlink(gconf.pid_file)
- except:
- ex = sys.exc_info()[1]
- if ex.errno == ENOENT:
- pass
- else:
- raise
- if gconf.ssh_ctl_dir and not gconf.cpid:
- shutil.rmtree(gconf.ssh_ctl_dir)
- sys.stdout.flush()
- sys.stderr.flush()
- os._exit(kw.get('exval', 0))
-
-def log_raise_exception(excont):
- exc = sys.exc_info()[1]
- if isinstance(exc, SystemExit):
- excont.exval = exc.code or 0
- raise
- else:
- logging.exception("FAIL: ")
- sys.stderr.write("failed with %s.\n" % type(exc).__name__)
- excont.exval = 1
- sys.exit(excont.exval)
-
-
-class FreeObject(object):
- """wildcard class for which any attribute can be set"""
-
- def __init__(self, **kw):
- for k,v in kw.iteritems():
- setattr(self, k, v)
-
-class Thread(baseThread):
-
- def __init__(self, *a, **kw):
- tf = kw.get('target')
- if tf:
- def twrap(*aa):
- excont = FreeObject(exval = 0)
- try:
- tf(*aa)
- except:
- try:
- log_raise_exception(excont)
- finally:
- finalize(exval = excont.exval)
- kw['target'] = twrap
- baseThread.__init__(self, *a, **kw)
- self.setDaemon(True)