SYS_T¶
Designates an expression that refers to the ApplicationSwitch, rather than the client or server.
This topic lists the expressions that are provided by this class.
CHECK_LIMIT ( text_t identifier_name)
Used for rate limiting. Returns a boolean Result.
Parameters (expressions not allowed):
identifier_name - Identifier Name
Returns: bool_at
CLIENT_EXPR ( text_t s)
Evaluates a client expression. Returns a boolean result. Examples: CLIENT_EXPR("client.av(Norton).exists") add some more examples
Parameters (expressions not allowed):
s - Client Expression
Returns: bool_at
ERROR
Returns the error encountered when performing the last operation.
Returns: error_t
EVAL_CLASSIC_EXPR (classic_expr s)
Evaluate classic-style Netscaler expressions. NOTE: use of Classic expressions is deprecated - use Default (Advanced) expressions instead of this function. The result of this evaluation can continued to be used for further Advanced operations. This operation is intended to be a bridge between traditional NetScaler expressions, which we call "classic" expressions and the Advanced expressions. Both inline and named classic expressions can be used as input. Examples: SYS.EVAL_CLASSIC_EXPR("ns_slowclient") SYS.EVAL_CLASSIC_EXPR("REQ.SSL.CLIENT.CIPHER.BITS > 1000") SYS.EVAL_CLASSIC_EXPR("url contains abc") SYS.EVAL_CLASSIC_EXPR("REQ.IP.SOURCEIP == 10.102.1.61 -netmask 255.255.255.255") SYS.EVAL_CLASSIC_EXPR("time >= *:30:00GMT") SYS.EVAL_CLASSIC_EXPR("e1 || e2") SYS.EVAL_CLASSIC_EXPR("REQ.HTTP.URLLEN > 50") SYS.EVAL_CLASSIC_EXPR("dayofweek == wedGMT")
Parameters (expressions not allowed):
s - Classic Expression
Returns: bool_at
HTTP_CALLOUT (http_callout_bool hc)
Make a http callout. Returns a boolean result.
Parameters (expressions not allowed):
hc - Name of Http callout that returns boolean result.
Returns: bool_at
HTTP_CALLOUT (http_callout_num hc)
Make a http callout. Returns a number result.
Parameters (expressions not allowed):
hc - Name of Http callout that returns number result.
Returns: num_at
HTTP_CALLOUT (http_callout_text hc)
Make a http callout. Returns a text result.
Parameters (expressions not allowed):
hc - Name of Http callout that returns text as result.
Returns: text_t
NANO_TIME
Returns the current system time as the number of nanoseconds since "GMT Jan 1 1970 0h 0m 0.000000000s". Accuracy may be at larger granularity than nanosecond resolution.
Returns: unsigned_long_at
NON_BLOCKING_HTTP_CALLOUT (http_callout_bool hc)
Make a non blocking http callout. Returns a boolean result 'true'.
Parameters (expressions not allowed):
hc - Name of Http callout that returns boolean result that is ignored.
Returns: bool_at
NON_BLOCKING_HTTP_CALLOUT (http_callout_num hc)
Make a non blocking http callout. Returns a number that is '0'.
Parameters (expressions not allowed):
hc - Name of Http callout that returns number which is ignored.
Returns: num_at
NON_BLOCKING_HTTP_CALLOUT (http_callout_text hc)
Make a non blocking http callout. Returns a text that is of zero length.
Parameters (expressions not allowed):
hc - Name of Http callout that returns text as result which is ignored.
Returns: text_t
NSIP
Returns the netscaler's IPV4 address.
Returns: ip_address_at
RANDOM
Returns a random number between 0 and 1, inclusive of 0 but exclusive of 1
Returns: double_at
SERVICEGROUP ( text_t servicegroup_name)
Used for Servicegroup expressions.These expression raises an undef if servicegroup with the given name doesn't exist.
Parameters (expressions not allowed):
servicegroup_name - ServiceGroup Name
Returns: servicegroup_t
SERVICE ( text_t service_name)
Used for Service expressions.These expression raises an undef if service with the given name doesn't exist.
Parameters (expressions not allowed):
service_name - Service Name
Returns: service_t
TIME
Returns the current system time as the number of seconds since "GMT Jan 1 1970 0h 0m 0s". NOTE: It is not possible to set the system time to date and time before 1970.
Returns: time_at
UUID
Returns a newly generated UUID.
Returns: text_t
VSERVER ( text_t vserver_name)
Used for vserver expressions.These expressions raise undef if virtual server with name doesn't exist.
Parameters (expressions not allowed):
vserver_name - Virtual Server
Returns: vserver_t