summaryrefslogtreecommitdiffstats
path: root/xlators/features/marker/utils/syncdaemon/repce.py
diff options
context:
space:
mode:
Diffstat (limited to 'xlators/features/marker/utils/syncdaemon/repce.py')
-rw-r--r--xlators/features/marker/utils/syncdaemon/repce.py162
1 files changed, 0 insertions, 162 deletions
diff --git a/xlators/features/marker/utils/syncdaemon/repce.py b/xlators/features/marker/utils/syncdaemon/repce.py
deleted file mode 100644
index 47691301e29..00000000000
--- a/xlators/features/marker/utils/syncdaemon/repce.py
+++ /dev/null
@@ -1,162 +0,0 @@
-import os
-import sys
-import select
-import time
-import logging
-from threading import Condition
-try:
- import thread
-except ImportError:
- # py 3
- import _thread as thread
-try:
- from Queue import Queue
-except ImportError:
- # py 3
- from queue import Queue
-try:
- import cPickle as pickle
-except ImportError:
- # py 3
- import pickle
-
-from syncdutils import Thread
-
-pickle_proto = -1
-repce_version = 1.0
-
-def ioparse(i, o):
- if isinstance(i, int):
- i = os.fdopen(i)
- # rely on duck typing for recognizing
- # streams as that works uniformly
- # in py2 and py3
- if hasattr(o, 'fileno'):
- o = o.fileno()
- return (i, o)
-
-def send(out, *args):
- os.write(out, pickle.dumps(args, pickle_proto))
-
-def recv(inf):
- return pickle.load(inf)
-
-
-class RepceServer(object):
-
- def __init__(self, obj, i, o, wnum=6):
- self.obj = obj
- self.inf, self.out = ioparse(i, o)
- self.wnum = wnum
- self.q = Queue()
-
- def service_loop(self):
- for i in range(self.wnum):
- t = Thread(target=self.worker)
- t.start()
- try:
- while True:
- self.q.put(recv(self.inf))
- except EOFError:
- logging.info("terminating on reaching EOF.")
-
- def worker(self):
- while True:
- in_data = self.q.get(True)
- rid = in_data[0]
- rmeth = in_data[1]
- exc = False
- if rmeth == '__repce_version__':
- res = repce_version
- else:
- try:
- res = getattr(self.obj, rmeth)(*in_data[2:])
- except:
- res = sys.exc_info()[1]
- exc = True
- logging.exception("call failed: ")
- send(self.out, rid, exc, res)
-
-
-class RepceJob(object):
-
- def __init__(self, cbk):
- self.rid = (os.getpid(), thread.get_ident(), time.time())
- self.cbk = cbk
- self.lever = Condition()
- self.done = False
-
- def __repr__(self):
- return ':'.join([str(x) for x in self.rid])
-
- def wait(self):
- self.lever.acquire()
- if not self.done:
- self.lever.wait()
- self.lever.release()
- return self.result
-
- def wakeup(self, data):
- self.result = data
- self.lever.acquire()
- self.done = True
- self.lever.notify()
- self.lever.release()
-
-
-class RepceClient(object):
-
- def __init__(self, i, o):
- self.inf, self.out = ioparse(i, o)
- self.jtab = {}
- t = Thread(target = self.listen)
- t.start()
-
- def listen(self):
- while True:
- select.select((self.inf,), (), ())
- rid, exc, res = recv(self.inf)
- rjob = self.jtab.pop(rid)
- if rjob.cbk:
- rjob.cbk(rjob, [exc, res])
-
- def push(self, meth, *args, **kw):
- cbk = kw.get('cbk')
- if not cbk:
- def cbk(rj, res):
- if res[0]:
- raise res[1]
- rjob = RepceJob(cbk)
- self.jtab[rjob.rid] = rjob
- logging.debug("call %s %s%s ..." % (repr(rjob), meth, repr(args)))
- send(self.out, rjob.rid, meth, *args)
- return rjob
-
- def __call__(self, meth, *args):
- rjob = self.push(meth, *args, **{'cbk': lambda rj, res: rj.wakeup(res)})
- exc, res = rjob.wait()
- if exc:
- logging.error('call %s (%s) failed on peer with %s' % (repr(rjob), meth, str(type(res).__name__)))
- raise res
- logging.debug("call %s %s -> %s" % (repr(rjob), meth, repr(res)))
- return res
-
- class mprx(object):
-
- def __init__(self, ins, meth):
- self.ins = ins
- self.meth = meth
-
- def __call__(self, *a):
- return self.ins(self.meth, *a)
-
- def __getattr__(self, meth):
- return self.mprx(self, meth)
-
- def __version__(self):
- d = {'proto': self('__repce_version__')}
- try:
- d['object'] = self('version')
- except AttributeError:
- pass
- return d