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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


CI_CALLOUT (ci_callout_bool cic)

Make a Content Inspection callout. Returns a boolean result.

Parameters (expressions not allowed):

cic- Name of Content Inspection callout that returns boolean result.

Returns: bool_at


CI_CALLOUT (ci_callout_num cic)

Make a Content Inspection callout. Returns a number result.

Parameters (expressions not allowed):

cic- Name of Content Inspection callout that returns number result.

Returns: num_at


CI_CALLOUT (ci_callout_text cic)

Make a Content Inspection callout. Returns a text result.

Parameters (expressions not allowed):

cic- Name of Content Inspection callout that returns text result.

Returns: text_t


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


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


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