127 lines
3.2 KiB
C
127 lines
3.2 KiB
C
/* Copyright (c) 2017 - 2022 LiteSpeed Technologies Inc. See LICENSE. */
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/queue.h>
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#ifndef WIN32
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#include <unistd.h>
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#else
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#include <getopt.h>
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#endif
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#include "lsquic.h"
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#include "lsquic_int_types.h"
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#include "lsquic_cong_ctl.h"
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#include "lsquic_cubic.h"
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#include "lsquic_logger.h"
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#include "lsquic_hash.h"
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#include "lsquic_conn.h"
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#include "lsquic_sfcw.h"
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#include "lsquic_conn_flow.h"
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#include "lsquic_varint.h"
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#include "lsquic_hq.h"
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#include "lsquic_stream.h"
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#include "lsquic_rtt.h"
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#include "lsquic_conn_public.h"
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#include "lsquic_packet_common.h"
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#include "lsquic_packet_out.h"
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//static const struct cong_ctl_if *const cci = &lsquic_cong_cubic_if; // will not work on MSVC
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#define cci ((const struct cong_ctl_if *const)&lsquic_cong_cubic_if)
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static void
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test_post_quiescence_explosion (void)
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{
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struct lsquic_cubic cubic;
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lsquic_time_t const rtt = 10000;
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lsquic_time_t t = 12345600;
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struct lsquic_conn lconn = LSCONN_INITIALIZER_CIDLEN(lconn, 8);
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struct lsquic_conn_public conn_pub = { .lconn = &lconn, };
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int i;
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struct lsquic_packet_out packet_out; memset(&packet_out, 0, sizeof(packet_out));
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cci->cci_init(&cubic, &conn_pub, 0);
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cubic.cu_ssthresh = cubic.cu_cwnd = 32 * 1370;
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for (i = 0; i < 10; ++i)
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{
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packet_out.po_sent = t - rtt;
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cci->cci_ack(&cubic, &packet_out, 1370, t, 0);
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}
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assert(cci->cci_get_cwnd(&cubic) == 47026);
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t += 25 * 1000 * 1000;
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cci->cci_was_quiet(&cubic, t, 0 /* bytes in flight (unused) */);
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packet_out.po_sent = t - rtt;
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cci->cci_ack(&cubic, &packet_out, 1370, t, 0);
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assert(cci->cci_get_cwnd(&cubic) == 47060);
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t += 2 * 1000 * 1000;
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packet_out.po_sent = t - rtt;
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cci->cci_ack(&cubic, &packet_out, 1370, t, 0);
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}
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static void
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test_post_quiescence_explosion2 (void)
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{
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struct lsquic_cubic cubic;
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lsquic_time_t const rtt = 10000;
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lsquic_time_t t = 12345600;
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struct lsquic_conn lconn = LSCONN_INITIALIZER_CIDLEN(lconn, 8);
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struct lsquic_conn_public conn_pub = { .lconn = &lconn, };
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int i;
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struct lsquic_packet_out packet_out; memset(&packet_out, 0, sizeof(packet_out));
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cci->cci_init(&cubic, &conn_pub, 0);
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cubic.cu_ssthresh = cubic.cu_cwnd = 32 * 1370;
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for (i = 0; i < 10; ++i)
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{
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packet_out.po_sent = t - rtt;
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cci->cci_ack(&cubic, &packet_out, 1370, t, 1);
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}
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assert(cci->cci_get_cwnd(&cubic) == 45300);
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t += 25 * 1000 * 1000;
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cci->cci_was_quiet(&cubic, t, 0 /* bytes in flight (unused) */);
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packet_out.po_sent = t - rtt;
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cci->cci_ack(&cubic, &packet_out, 1370, t, 0);
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assert(cci->cci_get_cwnd(&cubic) == 46754);
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t += 2 * 1000 * 1000;
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packet_out.po_sent = t - rtt;
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cci->cci_ack(&cubic, &packet_out, 1370, t, 1);
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}
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int
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main (int argc, char **argv)
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{
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int opt;
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lsquic_log_to_fstream(stderr, LLTS_NONE);
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while (-1 != (opt = getopt(argc, argv, "l:")))
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{
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switch (opt)
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{
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case 'l':
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lsquic_logger_lopt(optarg);
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break;
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default:
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exit(EXIT_FAILURE);
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break;
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}
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}
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test_post_quiescence_explosion();
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test_post_quiescence_explosion2();
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exit(EXIT_SUCCESS);
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}
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