litespeed-quic/tests/test_hcsi_reader.c

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/* Copyright (c) 2017 - 2021 LiteSpeed Technologies Inc. See LICENSE. */
#include <assert.h>
#include <inttypes.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <sys/queue.h>
#include "lsquic.h"
#include "lsquic_int_types.h"
#include "lsquic_varint.h"
#include "lsquic_hq.h"
#include "lsquic_hcsi_reader.h"
#include "lsquic_hash.h"
#include "lsquic_conn.h"
struct test
{
int lineno;
enum {
TEST_NO_FLAGS = 0,
TEST_NUL_OUT_LEST_FULL = 1 << 0,
} flags;
unsigned char input[0x100];
size_t input_sz;
int retval;
char output[0x1000];
};
static const struct test tests[] =
{
{
__LINE__,
TEST_NO_FLAGS,
{
0x03,
0x04,
0x80, 0x12, 0x34, 0x45,
},
6,
0,
"on_cancel_push: 1193029\n",
},
{
__LINE__,
TEST_NO_FLAGS,
{
HQFT_MAX_PUSH_ID,
0x02,
0x41, 0x23,
},
4,
0,
"on_max_push_id: 291\n",
},
{
__LINE__,
TEST_NO_FLAGS,
{
HQFT_SETTINGS,
0x00,
},
2,
0,
"have SETTINGS frame\n",
},
{ /* Frame contents do not match frame length */
__LINE__,
TEST_NO_FLAGS,
{
HQFT_MAX_PUSH_ID,
0x03,
0x41, 0x23,
},
4,
-1,
"",
},
{
__LINE__,
TEST_NO_FLAGS,
{
HQFT_SETTINGS,
13,
0x52, 0x34,
0xC0, 0x12, 0x23, 0x34, 0x45, 0x56, 0x67, 0x78,
0x52, 0x35,
0x00,
},
15,
0,
"on_setting: 0x1234=0x12233445566778\n"
"on_setting: 0x1235=0x0\n"
"have SETTINGS frame\n"
,
},
{
__LINE__,
TEST_NO_FLAGS,
{
0x80, 0x0F, 0x07, 0x00, /* HQFT_PRIORITY_UPDATE_STREAM */
7,
0x52, 0x34,
0x41, 0x42, 0x43, 0x44, 0x45, /* ABCDE */
HQFT_MAX_PUSH_ID,
0x02,
0x41, 0x23,
},
16,
0,
"on_priority_update: stream=0x1234, [ABCDE]\n"
"on_max_push_id: 291\n"
,
},
{
__LINE__,
TEST_NO_FLAGS,
{
0x80, 0x0F, 0x07, 0x01, /* HQFT_PRIORITY_UPDATE_PUSH */
6,
0x08,
0x50, 0x51, 0x52, 0x53, 0x54, /* PQRST */
},
11,
0,
"on_priority_update: push=0x8, [PQRST]\n"
,
},
{
__LINE__,
TEST_NUL_OUT_LEST_FULL,
{
0x80, 0x0F, 0x07, 0x01, /* HQFT_PRIORITY_UPDATE_PUSH */
21,
0x08,
0x50, 0x51, 0x52, 0x53, 0x54, /* PQRST */
0x50, 0x51, 0x52, 0x53, 0x54, /* PQRST */
0x50, 0x51, 0x52, 0x53, 0x54, /* PQRST */
0x50, 0x51, 0x52, 0x53, 0x54, /* PQRST */
},
26,
0,
"on_priority_update: push=0x8, [PQRSTPQRSTPQRSTPQRST]\n"
,
},
};
static void
on_cancel_push (void *ctx, uint64_t push_id)
{
fprintf(ctx, "%s: %"PRIu64"\n", __func__, push_id);
}
static void
on_max_push_id (void *ctx, uint64_t push_id)
{
fprintf(ctx, "%s: %"PRIu64"\n", __func__, push_id);
}
static void
on_settings_frame (void *ctx)
{
fprintf(ctx, "have SETTINGS frame\n");
}
static void
on_setting (void *ctx, uint64_t setting_id, uint64_t value)
{
fprintf(ctx, "%s: 0x%"PRIX64"=0x%"PRIX64"\n", __func__, setting_id, value);
}
static void
on_goaway (void *ctx, uint64_t stream_id)
{
fprintf(ctx, "%s: %"PRIu64"\n", __func__, stream_id);
}
static void
on_unexpected_frame (void *ctx, uint64_t frame_type)
{
fprintf(ctx, "%s: %"PRIu64"\n", __func__, frame_type);
}
static void
on_priority_update (void *ctx, enum hq_frame_type frame_type,
/* PFV: Priority Field Value */
uint64_t id, const char *pfv, size_t pfv_sz)
{
const char *type;
switch (frame_type)
{
case HQFT_PRIORITY_UPDATE_STREAM: type = "stream"; break;
case HQFT_PRIORITY_UPDATE_PUSH: type = "push"; break;
default: assert(0); return;
}
fprintf(ctx, "%s: %s=0x%"PRIX64", [%.*s]\n", __func__, type, id,
(int) pfv_sz, pfv);
}
static const struct hcsi_callbacks callbacks =
{
.on_cancel_push = on_cancel_push,
.on_max_push_id = on_max_push_id,
.on_settings_frame = on_settings_frame,
.on_setting = on_setting,
.on_goaway = on_goaway,
.on_unexpected_frame = on_unexpected_frame,
.on_priority_update = on_priority_update,
};
static void
abort_error (struct lsquic_conn *conn, int is_app, unsigned error_code,
const char *format, ...)
{
}
static const struct conn_iface conn_iface = {
.ci_abort_error = abort_error,
};
static void
run_test (const struct test *test)
{
struct hcsi_reader reader;
size_t read_sz, out_sz, toread;
FILE *out_f;
char *output;
const unsigned char *p;
int s;
struct lsquic_conn lconn = LSCONN_INITIALIZER_CIDLEN(lconn, 0);
lconn.cn_if = &conn_iface;
for (read_sz = 1; read_sz <= test->input_sz; ++read_sz)
{
out_f = open_memstream(&output, &out_sz);
lsquic_hcsi_reader_init(&reader, &lconn, &callbacks, out_f);
p = test->input;
do
{
toread = test->input + test->input_sz - p;
if (toread > read_sz)
toread = read_sz;
s = lsquic_hcsi_reader_feed(&reader, p, toread);
if (s != 0)
break;
p += toread;
}
while (p < test->input + test->input_sz);
assert(s == test->retval);
fclose(out_f);
if (test->retval == 0 && read_sz < test->input_sz
&& (test->flags & TEST_NUL_OUT_LEST_FULL))
assert(0 == strcmp(output, ""));
else
assert(0 == strcmp(test->output, output));
free(output);
}
}
int
main (void)
{
const struct test *test;
struct test coalesced_test;
for (test = tests; test < tests + sizeof(tests) / sizeof(tests[0]); ++test)
run_test(test);
memset(&coalesced_test, 0, sizeof(coalesced_test));
for (test = tests; test < tests + sizeof(tests) / sizeof(tests[0]); ++test)
if (test->retval == 0 && !(test->flags & TEST_NUL_OUT_LEST_FULL))
{
memcpy(coalesced_test.input + coalesced_test.input_sz,
test->input, test->input_sz);
coalesced_test.input_sz += test->input_sz;
strcat(coalesced_test.output, test->output);
}
run_test(&coalesced_test);
return 0;
}