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#!/bin/python
"""
Copyright (c) 2010-2011 Gluster, Inc. <http://www.gluster.com>
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/>.
"""
import os
import string
import sys
class NFSRequest:
def __init__ (self, logline, linecount):
self.calllinecount = 0
self.xid = ""
self.op = ""
self.opdata = ""
self.replydata = ""
self.replylinecount = 0
tokens = logline.strip ().split (" ")
if "XID:" not in tokens:
return None
if "args:" not in tokens:
return None
self.calllinecount = linecount
xididx = tokens.index ("XID:")
self.xid = tokens [xididx+1].strip(",")
opidx = tokens.index ("args:")
self.op = tokens [opidx-1].strip (":")
self.opdata = " ".join(tokens [opidx+1:])
def getXID (self):
return self.xid
def setReply (self, logline, linecount):
tokens = logline.strip ().split (" ")
statidx = tokens.index ("NFS:")
self.replydata = " ".join (tokens [statidx+1:])
self.replylinecount = linecount
def dump (self):
print "ReqLine: " + str(self.calllinecount) + " XID: " + self.xid + " " + self.op + " ARGS: " + self.opdata + " RepLine: " + str(self.replylinecount) + " " + self.replydata
class NFSLogAnalyzer:
def __init__ (self):
self.xid_request_map = {}
self.orphan_replies = {}
self.CALL = 1
self.REPLY = 2
def handle_call_line (self, logline, linecount):
newreq = NFSRequest (logline, linecount)
xid = newreq.getXID ()
self.xid_request_map [xid] = newreq
def handle_reply_line (self, logline, linecount):
tokens = logline.strip ().split (" ")
xididx = tokens.index ("XID:")
xid = tokens [xididx + 1].strip(",")
if xid not in self.xid_request_map.keys ():
self.orphan_replies [xid] = logline
else:
self.xid_request_map [xid].setReply (logline, linecount)
def analyzeLine (self, logline, linecount):
tokens = logline.strip ().split (" ")
msgtype = 0
if "XID:" not in tokens:
return
if "args:" in tokens:
msgtype = self.CALL
elif "NFS:" in tokens:
msgtype = self.REPLY
if msgtype == self.CALL:
self.handle_call_line (logline, linecount)
elif msgtype == self.REPLY:
self.handle_reply_line (logline, linecount)
def getStats (self):
rcount = len (self.xid_request_map.keys ())
orphancount = len (self.orphan_replies.keys ())
print "Requests: " + str(rcount) + ", Orphans: " + str(orphancount)
def dump (self):
self.getStats ()
for rq in self.xid_request_map.values ():
rq.dump ()
linecount = 0
la = NFSLogAnalyzer ()
progmsgcount = 1000
dumpinterval = 2000000
if "--progress" in sys.argv:
idx = sys.argv.index ("--progress")
progmsgcount = int(sys.argv[idx+1])
if "--dump" in sys.argv:
idx = sys.argv.index ("--dump")
dumpinterval = int(sys.argv[idx+1])
for line in sys.stdin:
linecount = linecount + 1
if linecount % dumpinterval == 0:
sys.stderr.write ("Dumping data..\n")
la.dump ()
del la
la = NFSLogAnalyzer ()
if linecount % progmsgcount == 0:
sys.stderr.write ("Integrating line: "+ str(linecount) + "\n")
la.analyzeLine (line, linecount)
la.dump ()
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