Branch: refs/heads/2.1 Home: https://github.com/OpenSIPS/opensips Commit: 0c26f91288d1c480df648a01583dbc2ffd2b474e https://github.com/OpenSIPS/opensips/commit/0c26f91288d1c480df648a01583dbc2ffd2b474e Author: ionutrazvanionita <ionution...@opensips.org> Date: 2016-01-18 (Mon, 18 Jan 2016)
Changed paths: M modules/fraud_detection/fraud_detection.c Log Message: ----------- fix calls per minute for fraud_detection module Now the calls per minute parameter is build as consisting of an initial time(t0) and a 60 seconds window(as was before). Each window slot holds the calls received in that second(as before). The difference is that now these parameters are updated based on three conditions: * we receive the call between [t0; t0 + WINDOW_SIZE(60s)] - we only update the number of calls for that slot(t0 + current time) and the calls per minute parameter * we receive the call in the interval of [t0+WINDOW_SIZE; t0+2*WINDOW_SIZE] - we do the following: move t0 in current call time - WINDOW_SIZE, invalidate all the calls we knew of from t0 to current t0 (current call time - WINDOW_SIZE) * we receive a call after 2 * WINDOW_SIZE(60 seconds) + t0 - this invalidates all the calls we knew of since the window is not does not contains calls newer than the last 60 seconds; (cherry picked from commit dd25c63adb8832d59861cf98b6fba1a2ad89a307)
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