CACHE_RESPONSE¶

Description¶

Triggered immediately prior to sending a cache response. Used to override default behavior.

Examples¶

when CACHE_RESPONSE {
  if { $expired == 1 } {
    CACHE::expire
    log local0. "cache expire"
    set expired 0
  }
}

Related Information¶

Available Commands:

CACHE::header - Get the content of an Header related to an object stored in the RamCache.
CACHE::headers - Returns the HTTP headers of the cache response.
CACHE::payload - Returns the HTTP payload of the cache response.
CACHE::trace - Dump the list of cached objects for a HTTP profile where RAM cache is enabled.
clone - Causes the system to clone traffic to the specified pool or pool member regardless of monitor status.
forward - Sets the connection to forward IP packets.
HTTP::close - Closes the HTTP connection.
HTTP::collect - Collects an amount of HTTP body data that you specify.
HTTP::cookie - Queries for or manipulates cookies in HTTP requests and responses.
HTTP::fallback - Specifies or overrides a fallback host specified in the HTTP profile.
HTTP::header - Queries or modifies HTTP headers.
HTTP::host - Returns the value of the HTTP Host header
HTTP::is_keepalive - Returns a true value if this is a Keep-Alive connection.
HTTP::is_redirect - Returns a true value if the response is a redirect.
HTTP::password - Returns the password part of HTTP basic authentication.
HTTP::payload - Queries for or manipulates HTTP payload information.
HTTP::redirect - Redirects an HTTP request or response to the specified URL.
HTTP::request_num - Returns the number of HTTP requests that a client made on the connection.
HTTP::respond - Generates a response to the client as if it came from the server.
HTTP::uri - Returns or sets the URI part of the HTTP request.
HTTP::username - Returns the username part of HTTP basic authentication.
HTTP::version - Returns or sets the HTTP version of the request or response.
imid - Returns an i-mode identifier string.
IP::idle_timeout - Returns or sets the idle timeout value.
ip_ttl - Returns the TTL of the latest IP packet received.
lasthop - Sets the lasthop of an IP connection.
listen - Sets up a related ephemeral listener to allow an incoming related connection to be established.
nexthop - Sets the nexthop of an IP connection.
node - Sends the packet directly to the identified server node.
peer - Causes the specified iRule commands to be evaluated under the peer’s (opposite) context.
persist - Causes the system to use the named persistence type to persist the connection.
session - Utilizes the persistence table to store arbitrary information based on the same keys as persistence.
SSL::cert - Returns X509 SSL certificate data.

Warning

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Sample Code:

Introduced: BIGIP-9.0.5

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