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Chapter 6 Advanced Expressions: Parsing HTTP, TCP, and UDP Data 119
HTTP.RES.SET_COOKIE.
COOKIE("name").PORT
or
HTTP.RES.SET_COOKIE2.
COOKIE("name").PORT
Returns the value of Port field of the cookie.
Operate as a comma-separated list.
For example, the following expression returns
80. 2580 from Set-Cookie : Customer =
"ABC"; PATH="/a/b/c"; PORT= "80, 2580":
http.res.set_cookie.
cookie("ABC").port
A string of zero length is returned if the Port
field or value is absent.
HTTP.RES.SET_COOKIE.
COOKIE("name").PORT.IGNORE_
EMPTY_ELEMENTS
or
HTTP.RES.SET_COOKIE2.
COOKIE("name").PORT.IGNORE_
EMPTY_ELEMENTS
Ignores the empty elements in the list. For
example, in the list a=10,b=11, ,c=89, the
element delimiter in the list is , and the list has
an empty element following a=10. The
element following b=11 is not considered an
empty element.
As another example, in the following
expression, if a request contains Cust_Header
: 123,,24, ,15 the following expression returns
a value of 4:
http.req.header("Cust_Header").
typecast_list_t(',').ignore_
empty_elements.count
The following expression returns a value of 5:
http.req.header("Cust_Header").
typecast_list_t(',').count
HTTP.RES.SET_COOKIE.
COOKIE("name").VERSION
or
HTTP.RES.SET_COOKIE2.
COOKIE("name").VERSION
Returns the value of the first Version field in
the cookie as a decimal integer.
For example, the following expression returns
1 from the cookie Set-Cookie : Customer =
"ABC"; VERSION = "1"; VERSION = "0"
http.res.set_cookie.
cookie("CUSTOMER").version
A zero is returned if the Version field or its
value is absent or if the value is not a decimal
number.
HTTP.RES.SET_COOKIE.
COOKIE("name", integer)
or
HTTP.RES.SET_COOKIE2.
COOKIE("name", integer)
Returns the nth instance (0-based) of the
cookie with the specified name. If the cookie
is absent, returns a text object of length 0.
Returns UNDEF if more than 15 Set-Cookie
headers are present and the cookie is not
found.
Prefixes That Extract HTTP Headers
HTTP Header Prefix Description