denser/event.c at main · simta/denser · GitHub

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/*
 * Copyright (c) Regents of The University of Michigan
 * See COPYING.
 */

#include "event.h"

/* This event table starts after the first name server has been queried */

struct event eventlist[ 32 ] = {
        /* First round  0 - 3 sec. */
        {DNSR_STATE_WAIT, 1}, {DNSR_STATE_ASK, 1}, {DNSR_STATE_WAIT, 1},
        {DNSR_STATE_ASK, 2}, {DNSR_STATE_WAIT, 1}, {DNSR_STATE_ASK, 3},
        {DNSR_STATE_WAIT, 1},

        /* Second round 4 - 11 sec. */
        {DNSR_STATE_ASK, 0}, {DNSR_STATE_WAIT, 1}, {DNSR_STATE_ASK, 1},
        {DNSR_STATE_WAIT, 1}, {DNSR_STATE_ASK, 2}, {DNSR_STATE_WAIT, 1},
        {DNSR_STATE_ASK, 3}, {DNSR_STATE_WAIT, 5},

        /* Third round  12 - 27 sec.*/
        {DNSR_STATE_ASK, 0}, {DNSR_STATE_WAIT, 1}, {DNSR_STATE_ASK, 1},
        {DNSR_STATE_WAIT, 1}, {DNSR_STATE_ASK, 2}, {DNSR_STATE_WAIT, 1},
        {DNSR_STATE_ASK, 3}, {DNSR_STATE_WAIT, 13},

        /* To give the last NS its full wait time, the final wait must be a full
     * 16 seconds.  We will still accept a valid response from the other NS's
     * during this time.
     */

        /* Final round  28 - 47 sec. */
        {DNSR_STATE_ASK, 0}, {DNSR_STATE_WAIT, 1}, {DNSR_STATE_ASK, 1},
        {DNSR_STATE_WAIT, 1}, {DNSR_STATE_ASK, 2}, {DNSR_STATE_WAIT, 1},
        {DNSR_STATE_ASK, 3}, {DNSR_STATE_WAIT, 16}, {DNSR_STATE_DONE, -1}};