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#!/usr/bin/env python
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
import sys
from datetime import datetime
from optparse import OptionParser
# Version of this tool software
MAJOR_VERSION = 1
MINOR_VERSION = 1
# === Version history ===
# 2011-11-16 1.1: Bugfixs:
# QPID-3623 - Incorrect handling of transactions
# QPID-3624 - Replace argparse lib with optparse so tool can be used on Python 2.6.
# 2011-11-07 1.0: Initial checkin
# QPID-3579: Initial version checked in
# AMQP 0-10 commands - these increment the command counter
EXEC_COMMANDS = ["ExecutionSync", "ExecutionResult", "ExecutionException", "MessageTransfer", "MessageAccept",
"MessageReject", "MessageRelease", "MessageAcquire", "MessageResume", "MessageSubscribe",
"MessageCancel", "MessageSetFlowMode", "MessageFlow", "MessageFlush", "MessageStop", "TxSelect",
"TxCommit", "TxRollback", "DtxSelect", "DtxStart", "DtxEnd", "DtxCommit", "DtxForget", "DtxGetTimeout",
"DtxPrepare", "DtxRecover", "DtxRollback", "DtxSetTimeout", "ExchangeDeclare", "ExchangeDelete",
"ExchangeQuery", "ExchangeBind", "ExchangeUnbind", "ExchangeBound", "QueueDeclare", "QueueDelete",
"QueuePurge", "QueueQuery", "FileQos", "FileQosOk", "FileConsume", "FileConsumeOk", "FileCancel",
"FileOpen", "FileOpenOk", "FileStage", "FilePublish", "FileReturn", "FileDeliver", "FileAck",
"FileReject", "StreamQos", "StreamQosOk", "StreamConsume", "StreamConsumeOk", "StreamCancel",
"StreamPublish", "StreamReturn", "StreamDeliver"]
HEADER_STR = " -line ----------timestamp -----------connection ssn recv send- txn-- operation---------->"
PROGRESS_LINES_PER_DOT = 100000
class LogLevel:
CRITICAL = (1, "critical")
ERROR = (2, "error")
WARNING = (3, "warning")
NOTICE = (4, "notice")
INFO = (5, "info")
DEBUG = (6, "debug")
TRACE = (7, "trace")
@staticmethod
def get_level(level):
if level == LogLevel.CRITICAL[1]: return LogLevel.CRITICAL
if level == LogLevel.ERROR[1]: return LogLevel.ERROR
if level == LogLevel.WARNING[1]: return LogLevel.WARNING
if level == LogLevel.NOTICE[1]: return LogLevel.NOTICE
if level == LogLevel.INFO[1]: return LogLevel.INFO
if level == LogLevel.DEBUG[1]: return LogLevel.DEBUG
if level == LogLevel.TRACE[1]: return LogLevel.TRACE
raise Exception("Unknown log level: %s" % level)
class LogLine:
def __init__(self, line_no, line):
self.line_no = line_no
self.timestamp = datetime.strptime(line[:19], "%Y-%m-%d %H:%M:%S")
self.level = LogLevel.get_level(line[20:].split(" ")[0])
self.line = line[21 + len(self.level[1]):].strip()
self.cmd_cnt = None
self.txn_cnt = None
def __str__(self):
if self.contains("RECV"): cnt_str = "R"
else: cnt_str = " S"
if self.cmd_cnt is not None: cnt_str += str(self.cmd_cnt)
set_index = self.find("{")
header_index = self.find("header")
content_index = self.find("content")
if self.txn_cnt is None:
txn_cnt_str = ""
else:
txn_cnt_str = "T%d" % self.txn_cnt
if header_index != -1 and header_index < set_index: op_str = " + " + self.line[header_index:self.line.rfind("]")]
elif content_index != -1 and set_index == -1: op_str = " + " + self.line[content_index:self.line.rfind("]")]
else: op_str = self.line[set_index+1:self.line.rfind("}")]
return " %7d %19s %22s %3d %-10s %-5s %s" % (self.line_no, self.timestamp.isoformat(" "),
self.get_identifier_remote_addr(), self.get_channel(),
cnt_str, txn_cnt_str, op_str)
def contains(self, string):
return self.line.find(string) != -1
def find(self, string):
return self.line.find(string)
def get_channel(self):
return int(self.get_named_value("channel"))
def get_identifier(self):
return self.line.partition("[")[2].partition("]")[0]
def get_identifier_remote_addr(self):
return self.get_identifier().partition("-")[2]
def get_named_value(self, name):
return self.line.partition("%s=" % name)[2].partition(";")[0]
def get_msg_accept_range(self):
str_nums = self.get_named_value("transfers").strip(" {[]}").split(",")
return range(int(str_nums[0]), int(str_nums[1]) + 1)
def is_log_level(self, level):
if self.level is None: return None
return level[0] == self.level[0]
def is_frame(self):
return self.contains("Frame[")
class ConnectionProperty:
def __init__(self, line):
self.addr = line.get_identifier_remote_addr()
self.channel = line.get_channel()
self.ops = [line]
def add_op(self, line):
self.ops.append(line)
class Connection(ConnectionProperty):
def __init__(self, line):
ConnectionProperty.__init__(self, line)
self.session_list = [] # Keeps session creation order
self.session_dict = {} # For looking up by channel no.
def __str__(self):
return "Connection %s (ops=%d; sessions=%d):" % (self.addr, len(self.ops), len(self.session_dict))
def add_session(self, session):
self.session_list.append(session)
self.session_dict[session.channel] = session
def get_session(self, channel):
return self.session_dict[channel]
class Session(ConnectionProperty):
def __init__(self, line):
ConnectionProperty.__init__(self, line)
self.name = line.get_named_value("name")
self.send_cnt = 0
self.recv_cnt = 0
self.txn_flag = False
self.txn_cnt = 0
self.recv_cmds = {} # For looking up by cmd no
self.send_cmds = {} # For looking up by cmd no
def __str__(self):
if self.txn_flag:
return " + Session %d (name=%s send-cmds=%d recv-cmds=%d txns=%d):" % (self.channel, self.name,
self.send_cnt, self.recv_cnt,
self.txn_cnt)
return " + Session %d (name=%s send-cmds=%d recv-cmds=%d non-txn):" % (self.channel, self.name, self.send_cnt,
self.recv_cnt)
def incr_recv_cnt(self, line):
self.recv_cmds[self.recv_cnt] = line
self.recv_cnt += 1
def incr_send_cnt(self, line):
self.send_cmds[self.send_cnt] = line
self.send_cnt += 1
def set_send_txn_cnt(self, cmd):
self.send_cmds[cmd].txn_cnt = self.txn_cnt
class TraceAnalysis:
def __init__(self):
self.connection_list = [] # Keeps connection creation order
self.connection_dict = {} # For looking up by connection address
parser = OptionParser(usage="%prog [options] trace-file", version="%%prog %d.%d" % (MAJOR_VERSION, MINOR_VERSION),
description="A tool to structure and display Qpid broker trace logs.")
parser.add_option("--connection-summary", action="store_true", default=False, dest="connection_summary",
help="Hide connection details, provide one-line summary")
parser.add_option("--session-summary", action="store_true", default=False, dest="session_summary",
help="Hide session details, provide one-line summary")
parser.add_option("--summary", "-s", action="store_true", default=False, dest="summary",
help="Hide both connection and session details. Equivalent to --connection-summary and"
"--session-summary")
self.opts, self.args = parser.parse_args()
if len(self.args) == 0: raise Exception("Missing trace-file argument")
def analyze_trace(self):
lcnt = 0
print "Reading trace file %s:" % self.args[0]
log_file = open(self.args[0], "r")
try:
for fline in log_file:
lcnt += 1
try:
lline = LogLine(lcnt, fline)
if lline.is_log_level(LogLevel.TRACE) and lline.is_frame():
if lline.contains("{ConnectionStartBody"):
conn = Connection(lline)
self.connection_list.append(conn)
self.connection_dict[conn.addr] = conn
elif lline.contains("{Connection"):
self.connection_dict[lline.get_identifier_remote_addr()].add_op(lline)
elif lline.contains("{SessionAttachBody"):
ssn = Session(lline)
self.connection_dict[ssn.addr].add_session(ssn)
else:
ssn = self.connection_dict[lline.get_identifier_remote_addr()].get_session(lline.get_channel())
ssn.add_op(lline)
if lline.line[lline.find("{") + 1 : lline.find("Body")] in EXEC_COMMANDS:
if lline.contains("RECV"):
lline.cmd_cnt = ssn.recv_cnt
if ssn.txn_flag:
if lline.contains("MessageAcceptBody"):
lline.txn_cnt = ssn.txn_cnt
for cmd in lline.get_msg_accept_range():
ssn.set_send_txn_cnt(cmd)
if lline.contains("MessageTransferBody"): lline.txn_cnt = ssn.txn_cnt
ssn.incr_recv_cnt(lline)
elif lline.contains("SEND") or lline.contains("SENT"):
lline.cmd_cnt = ssn.send_cnt
ssn.incr_send_cnt(lline)
# TODO: This treatment will probably break down for DTX
if lline.contains("xSelectBody"):
ssn.txn_flag = True
elif lline.contains("xCommitBody") or lline.contains("xRollbackBody"):
lline.txn_cnt = ssn.txn_cnt
ssn.txn_cnt += 1
except KeyboardInterrupt as e: raise e
except: pass
if (lcnt + 1) % PROGRESS_LINES_PER_DOT == 0:
sys.stdout.write(".")
sys.stdout.flush()
finally: log_file.close()
if lcnt > PROGRESS_LINES_PER_DOT: print
print "Read and analyzed", lcnt, "lines."
def print_analysis(self):
if len(self.connection_list) > 0:
for c in self.connection_list:
print
print c
if not self.opts.connection_summary and not self.opts.summary:
print HEADER_STR
for o in c.ops:
print o
for s in c.session_list:
print s
if not self.opts.session_summary and not self.opts.summary:
print HEADER_STR
for o in s.ops:
print o
else:
print "No trace-level entries found in log."
def check_python_version(major, minor, micro):
if sys.version_info < (major, minor, micro):
print "Incorrect Python version: %s found; >= %d.%d.%d needed." % (sys.version.split()[0], major, minor, micro)
sys.exit(-1)
# === Main program ===
if __name__ == '__main__':
check_python_version(2, 4, 0)
t = TraceAnalysis()
t.analyze_trace()
t.print_analysis()
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