quic.h

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/*
 * SPDX-FileCopyrightText: 2021 Freie Universität Berlin
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include "ztimer.h"
 
#include "congure.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
    void (*cong_event_cb)(void *ctx);

    congure_wnd_size_t init_wnd;

    congure_wnd_size_t min_wnd;

    uint16_t init_rtt;

    uint16_t max_msg_size;

    uint16_t pc_thresh;

    uint16_t granularity;

    uint8_t loss_reduction_numerator;

    uint8_t loss_reduction_denominator;

    uint8_t inter_msg_interval_numerator;

    uint8_t inter_msg_interval_denominator;
} congure_quic_snd_consts_t;

typedef struct {
    congure_snd_t super;    

    const congure_quic_snd_consts_t *consts;

    ztimer_now_t first_rtt_sample;

    unsigned in_flight_size;

    ztimer_now_t recovery_start;

    congure_wnd_size_t ssthresh;

    uint16_t smoothed_rtt;

    uint16_t rtt_var;

    uint16_t min_rtt;

    uint16_t limited;

    uint16_t max_ack_delay;
} congure_quic_snd_t;

void congure_quic_snd_setup(congure_quic_snd_t *c,
                            const congure_quic_snd_consts_t *consts);
 
#ifdef __cplusplus
}
#endif