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litespeed-quic/tests/test_streamgen.c
Dmitri Tikhonov 06b2a2363e Release 2.27.1 
- [API] New knob to set outgoing packet batch size.
- Aborted connection now become tickable immediately.
- Abort connection when HTTP/3 frame cannot be opened (can only happen
  when malloc fails).
2021-01-06 09:00:05 -05:00

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/* Copyright (c) 2017 - 2021 LiteSpeed Technologies Inc. See LICENSE. */
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/queue.h>
#ifndef WIN32
#include <sys/time.h>
#endif
#include "lsquic.h"
#include "lsquic_types.h"
#include "lsquic_parse.h"
#include "lsquic_sfcw.h"
#include "lsquic_varint.h"
#include "lsquic_hq.h"
#include "lsquic_hash.h"
#include "lsquic_stream.h"
struct test {
int lineno;
const struct parse_funcs *
pf;
/* Inputs. These are returned by lsquic_stream_tosend_fin(),
* lsquic_stream_tosend_read(), and lsquic_stream_tosend_offset().
*/
int fin[2]; /* There may be two calls to lsquic_stream_tosend_fin() */
uint64_t offset;
uint32_t stream_id;
size_t avail; /* Space to write stream frame to */
size_t min_sz; /* Minimum size needed to generate stream frame. Any
* sizes smaller than this should fail.
*/
size_t data_sz;
char data[0x100];
/* Output. This is how we expect the resulting frame to look.
*/
int len; /* Return value of gen_stream_frame() */
char out[0x100];
};
static const struct test tests[] = {
/*
* Big-endian:
*/
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_043),
.fin = { 0, 1, },
.offset = 0x0807060504030201UL,
.stream_id = 0x210,
.data_sz = 10,
.data = "0123456789",
.avail = 0x100,
.out =
/* 1 f d ooo ss 1fdoooss */
/* TYPE FIN DLEN OLEN SLEN */
{ 0x80 | 0x40 | 0x20 | 0x1C | 0x01,
0x02, 0x10, /* Stream ID */
0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Offset */
0x00, 0x0A, /* Data length */
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
},
.len = 1 + 2 + 8 + 2 + 10,
.min_sz = 1 + 2 + 8 + 0 + 1,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_043),
.fin = { 0, 0, },
.offset = 0x0807060504030201UL,
.stream_id = 0x210,
.data_sz = 10,
.data = "0123456789",
.avail = 0x100,
.out =
/* 1 f d ooo ss 1fdoooss */
/* TYPE FIN DLEN OLEN SLEN */
{ 0x80 | 0x00 | 0x20 | 0x1C | 0x01,
0x02, 0x10, /* Stream ID */
0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Offset */
0x00, 0x0A, /* Data length */
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
},
.len = 1 + 2 + 8 + 2 + 10,
.min_sz = 1 + 2 + 8 + 0 + 1,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_043),
.fin = { 1, 0, },
.offset = 0x0807060504030201UL,
.stream_id = 0x210,
.data_sz = 10,
.data = "0123456789",
.avail = 0x100,
.out =
/* 1 f d ooo ss 1fdoooss */
/* TYPE FIN DLEN OLEN SLEN */
{ 0x80 | 0x40 | 0x20 | 0x1C | 0x01,
0x02, 0x10, /* Stream ID */
0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Offset */
0x00, 0x00, /* Data length */
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
},
.len = 1 + 2 + 8 + 2,
.min_sz = 1 + 2 + 8 + 2,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_043),
.fin = { 1, 0, },
.offset = 0x0807060504030201UL,
.stream_id = 0x21,
.data_sz = 10,
.data = "0123456789",
.avail = 0x100,
.out =
/* 1 f d ooo ss 1fdoooss */
/* TYPE FIN DLEN OLEN SLEN */
{ 0x80 | 0x40 | 0x20 | 0x1C | 0x00,
0x21, /* Stream ID */
0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Offset */
0x00, 0x00, /* Data length */
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
},
.len = 1 + 1 + 8 + 2,
.min_sz = 1 + 1 + 8 + 2,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_043),
.fin = { 0, 0, },
.offset = 0x77,
.stream_id = 0x210,
.data_sz = 10,
.data = "0123456789",
.avail = 0x100,
.out =
/* 1 f d ooo ss 1fdoooss */
/* TYPE FIN DLEN OLEN SLEN */
{ 0x80 | 0x00 | 0x20 | 0x04 | 0x01,
0x02, 0x10, /* Stream ID */
0x00, 0x77, /* Offset */
0x00, 0x0A, /* Data length */
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
},
.len = 1 + 2 + 2 + 2 + 10,
.min_sz = 1 + 2 + 2 + 0 + 1,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_043),
.fin = { 0, 0, },
.offset = 0x0,
.stream_id = 0x210,
.data_sz = 10,
.data = "0123456789",
.avail = 0x100,
.out =
/* 1 f d ooo ss 1fdoooss */
/* TYPE FIN DLEN OLEN SLEN */
{ 0x80 | 0x00 | 0x20 | 0x00 | 0x01,
0x02, 0x10, /* Stream ID */
/* Offset */
0x00, 0x0A, /* Data length */
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
},
.len = 1 + 2 + 0 + 2 + 10,
.min_sz = 1 + 2 + 0 + 0 + 1,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_043),
.fin = { 0, 1, },
.offset = 0x0,
.stream_id = 0x210,
.data_sz = 1,
.data = "0123456789",
.avail = 0x100,
.out =
/* 1 f d ooo ss 1fdoooss */
/* TYPE FIN DLEN OLEN SLEN */
{ 0x80 | 0x40 | 0x20 | 0x00 | 0x01,
0x02, 0x10, /* Stream ID */
/* Offset */
0x00, 0x01, /* Data length */
'0',
},
.len = 1 + 2 + 0 + 2 + 1,
.min_sz = 1 + 2 + 0 + 0 + 1,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_043),
.fin = { 0, 0, },
.offset = 0xFFFFFF,
.stream_id = 0x210,
.data_sz = 10,
.data = "0123456789",
.avail = 0x100,
.out =
/* 1 f d ooo ss 1fdoooss */
/* TYPE FIN DLEN OLEN SLEN */
{ 0x80 | 0x00 | 0x20 | 0x08 | 0x01,
0x02, 0x10, /* Stream ID */
0xFF, 0xFF, 0xFF, /* Offset */
0x00, 0x0A, /* Data length */
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
},
.len = 1 + 2 + 3 + 2 + 10,
.min_sz = 1 + 2 + 3 + 0 + 1,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_043),
.fin = { 0, 0, },
.offset = 0xFFFFFF + 1,
.stream_id = 0x210,
.data_sz = 10,
.data = "0123456789",
.avail = 0x100,
.out =
/* 1 f d ooo ss 1fdoooss */
/* TYPE FIN DLEN OLEN SLEN */
{ 0x80 | 0x00 | 0x20 | 0x0C | 0x01,
0x02, 0x10, /* Stream ID */
0x01, 0x00, 0x00, 0x00, /* Offset */
0x00, 0x0A, /* Data length */
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
},
.len = 1 + 2 + 4 + 2 + 10,
.min_sz = 1 + 2 + 4 + 0 + 1,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_043),
.fin = { 0, 0, },
.offset = 0xFFFFFF + 1,
.stream_id = 0x210,
.data_sz = 10,
.data = "0123456789",
.avail = 10,
.out =
/* 1 f d ooo ss 1fdoooss */
/* TYPE FIN DLEN OLEN SLEN */
{ 0x80 | 0x00 | 0x00 | 0x0C | 0x01,
0x02, 0x10, /* Stream ID */
0x01, 0x00, 0x00, 0x00, /* Offset */
'0', '1', '2',
},
.len = 1 + 2 + 4 + 0 + 3,
.min_sz = 1 + 2 + 4 + 0 + 1,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_043),
.fin = { 1, 0, },
.offset = 0xB4,
.stream_id = 0x01,
.data_sz = 0,
.data = "0123456789",
.avail = 0x100,
.out =
/* 1 f d ooo ss 1fdoooss */
/* TYPE FIN DLEN OLEN SLEN */
{ 0x80 | 0x40 | 0x20 | 0x04 | 0x00,
0x01, /* Stream ID */
0x00, 0xB4, /* Offset */
0x00, 0x00, /* Data length */
},
.len = 6,
.min_sz = 6,
},
/*
* IETF QUIC Internet-Draft 17:
*/
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_ID27),
.fin = { 0, 1, },
.offset = 0x0807060504030201UL,
.stream_id = 0x210,
.data_sz = 10,
.data = "0123456789",
.avail = 0x100,
.out =
/* TYPE OFF DLEN FIN */
{ 0x08 | 1<<2 | 1<<1 | 1<<0,
0x42, 0x10, /* Stream ID */
0xC8, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Offset */
0x0A, /* Data length */
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
},
.len = 1 + 2 + 8 + 1 + 10,
.min_sz = 1 + 2 + 8 + 0 + 1,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_ID27),
.fin = { 0, 0, },
.offset = 0,
.stream_id = 0x210,
.data_sz = 10,
.data = "0123456789",
.avail = 0x100,
.out =
/* TYPE OFF DLEN FIN */
{ 0x08 | 0<<2 | 1<<1 | 0<<0,
0x42, 0x10, /* Stream ID */
0x0A, /* Data length */
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
},
.len = 1 + 2 + 0 + 1 + 10,
.min_sz = 1 + 2 + 0 + 0 + 1,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_ID27),
.fin = { 0, 0, },
.offset = 0,
.stream_id = 0x21,
.data_sz = 10,
.data = "0123456789",
.avail = 12,
.out =
/* TYPE OFF DLEN FIN */
{ 0x08 | 0<<2 | 0<<1 | 0<<0,
0x21, /* Stream ID */
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
},
.len = 1 + 1 + 0 + 0 + 10,
.min_sz = 1 + 1 + 0 + 0 + 1,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_ID27),
.fin = { 0, 0, },
.offset = 0x0807060504030201UL,
.stream_id = 0x210,
.data_sz = 10,
.data = "0123456789",
.avail = 0x100,
.out =
/* TYPE OFF DLEN FIN */
{ 0x08 | 1<<2 | 1<<1 | 0<<0,
0x42, 0x10, /* Stream ID */
0xC8, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Offset */
0x0A, /* Data length */
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
},
.len = 1 + 2 + 8 + 1 + 10,
.min_sz = 1 + 2 + 8 + 0 + 1,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_ID27),
.fin = { 1, 0, },
.offset = 0x0807060504030201UL,
.stream_id = 0x210,
.data_sz = 0,
.data = "0123456789",
.avail = 11,
.out =
/* TYPE OFF DLEN FIN */
{ 0x08 | 1<<2 | 0<<1 | 1<<0,
0x42, 0x10, /* Stream ID */
0xC8, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Offset */
},
.len = 1 + 2 + 8,
.min_sz = 1 + 2 + 8,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_ID27),
.fin = { 1, 0, },
.offset = 0x0807060504030201UL,
.stream_id = 0x210,
.data_sz = 0,
.data = "0123456789",
.avail = 0x100,
.out =
/* TYPE OFF DLEN FIN */
{ 0x08 | 1<<2 | 1<<1 | 1<<0,
0x42, 0x10, /* Stream ID */
0xC8, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Offset */
0x00, /* Data length */
},
.len = 1 + 2 + 8 + 1,
.min_sz = 1 + 2 + 8,
},
};
static struct test_ctx {
const struct test *test;
int next_fin;
lsquic_stream_t stream;
} test_ctx;
static int
stream_tosend_fin (void *stream)
{
struct test_ctx *test_ctx2 = stream;
return test_ctx2->test->fin[ test_ctx2->next_fin++ ];
}
static size_t
stream_tosend_read (void *stream, void *buf, size_t len, int *reached_fin)
{
struct test_ctx *test_ctx2 = stream;
if (test_ctx2->test->data_sz < len)
len = test_ctx2->test->data_sz;
memcpy(buf, test_ctx2->test->data, len);
*reached_fin = stream_tosend_fin(stream);
return len;
}
static size_t
stream_tosend_size (void *stream)
{
struct test_ctx *test_ctx2 = stream;
return test_ctx2->test->data_sz;
}
static void
reset_ctx (const struct test *test)
{
test_ctx.test = test;
test_ctx.next_fin = 0;
test_ctx.stream.id = test->stream_id;
}
static void
run_test (int i)
{
const struct test *const test = &tests[i];
unsigned char out[0x100];
int len;
size_t min;
if (test->len > 0)
{
/* Test that all sizes under specified min fail to produce a frame */
for (min = 0; min < test->min_sz; ++min)
{
reset_ctx(test);
len = test->pf->pf_gen_stream_frame(out, min, test->stream_id,
test_ctx.test->offset, stream_tosend_fin(&test_ctx),
stream_tosend_size(&test_ctx), stream_tosend_read, &test_ctx);
assert(len < 0);
}
/* Test that it succeeds now: */
reset_ctx(test);
len = test->pf->pf_gen_stream_frame(out, min, test->stream_id,
test_ctx.test->offset, stream_tosend_fin(&test_ctx),
stream_tosend_size(&test_ctx), stream_tosend_read, &test_ctx);
assert(len == (int) min);
}
reset_ctx(test);
len = test->pf->pf_gen_stream_frame(out, test->avail, test->stream_id,
test_ctx.test->offset, stream_tosend_fin(&test_ctx),
stream_tosend_size(&test_ctx), stream_tosend_read, &test_ctx);
if (test->len > 0) {
/* Check parser operation */
assert(test->len == len);
assert(("Generated frame is correct", 0 == memcmp(test->out, out, test->len)));
}
else
{
assert(("This test should fail", len < 0));
}
}
int
main (void)
{
unsigned i;
for (i = 0; i < sizeof(tests) / sizeof(tests[0]); ++i)
run_test(i);
return 0;
}
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