litespeed-quic/tests/test_sfcw.c
2020-05-17 12:42:32 -04:00

64 lines
1.9 KiB
C

/* Copyright (c) 2017 - 2020 LiteSpeed Technologies Inc. See LICENSE. */
#include <assert.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <sys/queue.h>
#include "lsquic_types.h"
#include "lsquic_int_types.h"
#include "lsquic.h"
#include "lsquic_conn_flow.h"
#include "lsquic_rtt.h"
#include "lsquic_sfcw.h"
#include "lsquic_varint.h"
#include "lsquic_hq.h"
#include "lsquic_hash.h"
#include "lsquic_stream.h"
#include "lsquic_conn_public.h"
#include "lsquic_conn.h"
int
main (void)
{
lsquic_global_init(LSQUIC_GLOBAL_SERVER);
const unsigned INIT_WINDOW_SIZE = 16 * 1024;
struct lsquic_sfcw fc;
struct lsquic_conn lconn;
struct lsquic_conn_public conn_pub;
uint64_t recv_off;
int s;
memset(&lconn, 0, sizeof(lconn));
LSCONN_INITIALIZE(&lconn);
memset(&conn_pub, 0, sizeof(conn_pub));
conn_pub.lconn = &lconn;
lsquic_sfcw_init(&fc, INIT_WINDOW_SIZE, NULL, &conn_pub, 123);
recv_off = lsquic_sfcw_get_fc_recv_off(&fc);
assert(("First send update advertizes offset same as initial window size",
INIT_WINDOW_SIZE == recv_off));
s = lsquic_sfcw_fc_offsets_changed(&fc);
assert(("First time, recv offset has not changed", !s));
s = lsquic_sfcw_set_max_recv_off(&fc, recv_off + 1);
assert(("Cannot set max recv larger than flow control receive offset", !s));
s = lsquic_sfcw_set_max_recv_off(&fc, recv_off);
assert(("Set max recv larger to flow control receive offset successfully", s));
s = lsquic_sfcw_fc_offsets_changed(&fc);
assert(("fc recv offset has not changed: need to consume data", !s));
lsquic_sfcw_set_read_off(&fc, INIT_WINDOW_SIZE * 2 / 3);
s = lsquic_sfcw_fc_offsets_changed(&fc);
assert(("recv offset has now changed", s));
recv_off = lsquic_sfcw_get_fc_recv_off(&fc);
assert(("Updated flow control receive window checks out",
INIT_WINDOW_SIZE * 5 / 3 == recv_off));
return 0;
}