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README
Statistics Module Bogdan Iancu Voice Sistem SRL Edited by Bogdan Iancu Copyright � 2006 Voice Sistem SRL __________________________________________________________________ Table of Contents 1. Admin Guide 1. Overview 2. Dependencies 2.1. Kamailio Modules 2.2. External Libraries or Applications 3. Parameters 3.1. variable (string) 4. Functions 4.1. update_stat(variable,value) 4.2. reset_stat(variable) List of Examples 1.1. variable example 1.2. update_stat usage 1.3. reset_stat usage Chapter 1. Admin Guide Table of Contents 1. Overview 2. Dependencies 2.1. Kamailio Modules 2.2. External Libraries or Applications 3. Parameters 3.1. variable (string) 4. Functions 4.1. update_stat(variable,value) 4.2. reset_stat(variable) 1. Overview The Statistics module is a wrapper over the internal statistics manager, allowing the script writer to dynamically define and use of statistic variables. By bringing the statistics support into the script, it takes advantage of the script flexibility in defining logics, making possible implementation of any kind of statistic scenario. 2. Dependencies 2.1. Kamailio Modules 2.2. External Libraries or Applications 2.1. Kamailio Modules The following modules must be loaded before this module: * No dependencies on other Kamailio modules. 2.2. External Libraries or Applications The following libraries or applications must be installed before running Kamailio with this module loaded: * None. 3. Parameters 3.1. variable (string) 3.1. variable (string) Name of a new statistic variable. The name may be followed by additional flag which describe the variable behavior: * no_reset : variable cannot be reset. Example 1.1. variable example modparam("statistics", "variable", "register_counter") modparam("statistics", "variable", "active_calls/no_reset") 4. Functions 4.1. update_stat(variable,value) 4.2. reset_stat(variable) 4.1. update_stat(variable,value) Updates the value of the statistic variable with the new value. Meaning of the parameters is as follows: * variable - variable to be updated (it can be a string or a pseudovariable); * value - value to update with; it may be also negative. This function can be used from ANY_ROUTE. Example 1.2. update_stat usage ... update_stat("register_counter", "+1"); ... $var(a_calls) = "active_calls"; update_stat("$var(a_calls)", "-1"); ... 4.2. reset_stat(variable) Resets to zero the value of the statistic variable. Meaning of the parameters is as follows: * variable - variable to be reset-ed (it can be a string or a pseudovariable). This function can be used from REQUEST_ROUTE, BRANCH_ROUTE, FAILURE_ROUTE and ONREPLY_ROUTE. Example 1.3. reset_stat usage ... reset_stat("register_counter"); ... $var(reg_counter) = "register_counter"; update_stat("$var(reg_counter)"); ...