def getLogLineBNF():
global logLineBNF
if logLineBNF is None:
integer = Word( nums )
ipAddress = delimitedList( integer, ".", combine=True )
timeZoneOffset = Word("+-",nums)
month = Word(string.uppercase, string.lowercase, exact=3)
serverDateTime = Group( Suppress("[") +
Combine( integer + "/" + month + "/" + integer +
":" + integer + ":" + integer + ":" + integer ) +
timeZoneOffset +
Suppress("]") )
logLineBNF = ( ipAddress.setResultsName("ipAddr") +
Suppress("-") +
("-" | Word( alphas+nums+"@._" )).setResultsName("auth") +
serverDateTime.setResultsName("timestamp") +
dblQuotedString.setResultsName("cmd").setParseAction(getCmdFields) +
(integer | "-").setResultsName("statusCode") +
(integer | "-").setResultsName("numBytesSent") +
dblQuotedString.setResultsName("referrer").setParseAction(removeQuotes) +
dblQuotedString.setResultsName("clientSfw").setParseAction(removeQuotes) )
return logLineBNF
def getLogLineBNF():
global logLineBNF
if logLineBNF is None:
integer = Word(nums)
ipAddress = delimitedList(integer, ".", combine=True)
timeZoneOffset = Word("+-", nums)
month = Word(string.uppercase, string.lowercase, exact=3)
serverDateTime = Group(
Suppress("[") +
Combine(integer + "/" + month + "/" + integer + ":" + integer +
":" + integer + ":" + integer) + timeZoneOffset +
Suppress("]"))
logLineBNF = (
ipAddress.setResultsName("ipAddr") + Suppress("-") +
("-" | Word(alphas + nums + "@._")).setResultsName("auth") +
serverDateTime.setResultsName("timestamp") +
dblQuotedString.setResultsName("cmd").setParseAction(getCmdFields)
+ (integer | "-").setResultsName("statusCode") +
(integer | "-").setResultsName("numBytesSent") +
dblQuotedString.setResultsName("referrer").setParseAction(
removeQuotes) + dblQuotedString.setResultsName(
"clientSfw").setParseAction(removeQuotes))
return logLineBNF
def __get_weblog_grammar():
integer = Word(nums)
ip_address = delimitedList(integer, ".", combine=True)
time_zone_offset = Word("+-", nums)
month = Word(string.ascii_uppercase, string.ascii_lowercase, exact=3)
server_date_time = Group(
Combine("[" + integer + "/" + month + "/" + integer + ":" +
integer + ":" + integer + ":" + integer) +
Combine(time_zone_offset + "]"))
weblog_grammar = (
ip_address.setResultsName("ip_address") +
Word("-").setResultsName("dash") +
("-" | Word(alphas + nums + "@._")).setResultsName("auth") +
server_date_time.setResultsName("timestamp") +
dblQuotedString.setResultsName("command") +
(integer | "-").setResultsName("status_code") +
(integer | "-").setResultsName("num_bytes") +
dblQuotedString.setResultsName("referrer") +
dblQuotedString.setResultsName("client_agent"))
return weblog_grammar
def buildBNF():
integer = Word(nums)
ipAddress = delimitedList(integer, ".", combine=True)
timeZoneOffset = Word("+-", nums)
month = Word(string.ascii_uppercase, string.ascii_lowercase, exact=3)
serverDateTime = Group(
Suppress("[") + Combine(integer + "/" + month + "/" + integer + ":" +
integer + ":" + integer + ":" + integer) +
timeZoneOffset + Suppress("]"))
loglineBNF = (
ipAddress.setResultsName("ipAddr") + Suppress("-") +
("-" | Word(alphas + nums + "@._")).setResultsName("auth") +
serverDateTime.setResultsName("timestamp") +
dblQuotedString.setResultsName("cmd").setParseAction(getFields) +
(integer | "-").setResultsName("statusCode") +
(integer | "-").setResultsName("numBytesSent"))
return loglineBNF
