Plugin alt-info Spec

 

Overview

The plugin is mainly for testing the functions in the INKHttpAltInfo* group. It also tests the following APIs:

Plugin Specification

In INKPluginInit(), the pluign registers two handler functions on INK_HTTP_OS_DNS_HOOK and INK_HTTP_SELECT_ALT_HOOK respectively.

On INK_HTTP_OS_DNS_HOOK, the plugin calls the following functions:

According to the return values of the functions, it prints out the status the function calls: pass or fail.

On INK_HTTP_SELECT_ALT_HOOK, the plugins gets client request, cached request and cached response from the alternate information. It then gets the Accept-Language field value from the client request and the Content-language field value from the cached response. If these two values are equivalent, the quality of this alternate is set to 1, otherwise the quality is set to 0.