mirror of
https://gitea.invidious.io/iv-org/litespeed-quic.git
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- [FEATURE] Update the timestamp extension to latest version. - [FEATURE] Cope with appearance of ECN blackholes. - [OPTIMIZATION] return packno offset and size when header is generated. - [BUGFIX] ignore old ACK frames in mini conns. - [BUGFIX] Mark initial server path as initialized. - [BUGFIX] Do not merge ACK if ECN counts do not match. - Turn incoming packet number history in mini conn back on. - Record mini conn event history again when compiled in debug mode. - IETF mini conn: log when ACK is queued. - Clean up and refactor code in several places.
240 lines
9.1 KiB
C
240 lines
9.1 KiB
C
/* Copyright (c) 2017 - 2020 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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#ifndef WIN32
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#include <sys/time.h>
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#endif
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#include <sys/queue.h>
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#include "lsquic_types.h"
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#include "lsquic.h"
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#include "lsquic_int_types.h"
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#include "lsquic_packet_common.h"
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#include "lsquic_packet_out.h"
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#include "lsquic_hash.h"
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#include "lsquic_conn.h"
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#include "lsquic_parse.h"
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struct test {
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/* Inputs. */
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const struct parse_funcs
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*pf;
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size_t bufsz;
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uint64_t cid; /* Zero means connection ID is not specified */
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const char *nonce;
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lsquic_packno_t packno;
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enum packno_bits
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bits; /* The test has been retrofitted by adding bits parameter. The test can
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* be made more complicated by calculating packet number length based on
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* some other inputs. However, this is tested elsewhere.
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*/
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union {
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unsigned char buf[4];
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lsquic_ver_tag_t val;
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} ver;
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/* Outputs */
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int len; /* Retval */
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char out[0x100]; /* Contents */
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};
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static const struct test tests[] = {
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0x0102030405060708UL,
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.nonce = NULL,
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.packno = 0x01020304,
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.bits = GQUIC_PACKNO_LEN_4,
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.len = 1 + 8 + 0 + 4,
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.out = { (0 << 2) /* Nonce present */
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| 0x08 /* Connection ID present */
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| 0x20 /* Packet number length */
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,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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0x01, 0x02, 0x03, 0x04, /* Packet number */
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},
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},
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0x0102030405060708UL,
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.nonce = NULL,
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.packno = 0x00,
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.bits = GQUIC_PACKNO_LEN_1,
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.len = 1 + 8 + 0 + 1,
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.out = { (0 << 2) /* Nonce present */
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| 0x08 /* Connection ID present */
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| 0x00 /* Packet number length */
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,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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0x00, /* Packet number */
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},
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},
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0x0102030405060708UL,
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.nonce = NULL,
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.packno = 0x09,
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.bits = GQUIC_PACKNO_LEN_1,
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.ver.buf= { 'Q', '0', '4', '3', },
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.len = 1 + 8 + 4 + 0 + 1,
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.out = { (0 << 2) /* Nonce present */
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| 0x01 /* Version present */
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| 0x08 /* Connection ID present */
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| 0x00 /* Packet number length */
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,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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'Q', '0', '4', '3',
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0x09, /* Packet number */
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},
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},
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#define NONCENSE "0123456789abcdefghijklmnopqrstuv"
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#define NONCENSE_BYTES '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v'
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0x0102030405060708UL,
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.nonce = NONCENSE,
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.packno = 0x00,
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.bits = GQUIC_PACKNO_LEN_1,
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.len = 1 + 8 + 32 + 1,
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.out = { (1 << 2) /* Nonce present */
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| 0x08 /* Connection ID present */
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| 0x00 /* Packet number length */
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,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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NONCENSE_BYTES,
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0x00, /* Packet number */
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},
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},
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0, /* Do not set connection ID */
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.nonce = NONCENSE,
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.packno = 0x00,
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.bits = GQUIC_PACKNO_LEN_1,
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.len = 1 + 0 + 32 + 1,
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.out = { (1 << 2) /* Nonce present */
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| 0x00 /* Packet number length */
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,
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NONCENSE_BYTES,
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0x00, /* Packet number */
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},
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},
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0x0102030405060708UL,
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.nonce = NONCENSE,
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.packno = 0x00,
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.bits = GQUIC_PACKNO_LEN_1,
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.ver.buf= { 'Q', '0', '4', '3', },
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.len = 1 + 8 + 4 + 32 + 1,
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.out = { (1 << 2) /* Nonce present */
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| 0x01 /* Version present */
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| 0x08 /* Connection ID present */
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| 0x00 /* Packet number length */
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,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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'Q', '0', '4', '3',
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NONCENSE_BYTES,
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0x00, /* Packet number */
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},
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},
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0x0102030405060708UL,
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.nonce = NONCENSE,
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.packno = 0xA0A1A2A3A4A5A6A7UL,
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.bits = GQUIC_PACKNO_LEN_6,
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.len = 1 + 8 + 32 + 6,
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.out = { (1 << 2) /* Nonce present */
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| 0x08 /* Connection ID present */
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| 0x30 /* Packet number length */
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,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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NONCENSE_BYTES,
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0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7,
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},
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},
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{
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.pf = select_pf_by_ver(LSQVER_043),
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.bufsz = GQUIC_MAX_PUBHDR_SZ,
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.cid = 0x0102030405060708UL,
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.nonce = NONCENSE,
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.packno = 0xA0A1A2A3A4A5A6A7UL,
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.bits = GQUIC_PACKNO_LEN_6,
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.len = 1 + 8 + 32 + 6,
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.out = { (1 << 2) /* Nonce present */
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| 0x08 /* Connection ID present */
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| 0x30 /* Packet number length */
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,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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NONCENSE_BYTES,
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0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7,
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},
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},
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};
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static void
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run_test (int i)
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{
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const struct test *const test = &tests[i];
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struct lsquic_packet_out packet_out =
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{
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.po_flags = (test->cid ? PO_CONN_ID : 0)
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| (test->ver.val ? PO_VERSION : 0)
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| (test->nonce ? PO_NONCE: 0)
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,
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.po_nonce = (unsigned char *) test->nonce,
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.po_ver_tag = test->ver.val,
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.po_packno = test->packno,
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};
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lsquic_packet_out_set_packno_bits(&packet_out, test->bits);
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lsquic_cid_t cid;
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memset(&cid, 0, sizeof(cid));
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cid.len = sizeof(test->cid);
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memcpy(cid.idbuf, &test->cid, sizeof(test->cid));
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struct lsquic_conn lconn = LSCONN_INITIALIZER_CID(lconn, cid);
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unsigned char out[GQUIC_MAX_PUBHDR_SZ];
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int len = test->pf->pf_gen_reg_pkt_header(&lconn, &packet_out, out,
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sizeof(out), NULL, NULL);
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assert(("Packet length is correct", len == test->len));
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if (test->len > 0)
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assert(("Packet contents are correct",
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0 == memcmp(out, test->out, len)));
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}
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int
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main (void)
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{
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unsigned i;
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for (i = 0; i < sizeof(tests) / sizeof(tests[0]); ++i)
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run_test(i);
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return 0;
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}
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