litespeed-quic/tests/test_some_packets.c

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/* Copyright (c) 2017 - 2022 LiteSpeed Technologies Inc. See LICENSE. */
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/* Tests in this file have been migrated out of maintest.c */
/* TODO: fix warnings */
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <sys/queue.h>
#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"
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#include "lsquic_stream.h"
Latest changes - [API Change] lsquic_engine_connect() returns pointer to the connection object. - [API Change] Add lsquic_conn_get_engine() to get engine object from connection object. - [API Change] Add lsquic_conn_status() to query connection status. - [API Change] Add add lsquic_conn_set_ctx(). - [API Change] Add new timestamp format, e.g. 2017-03-21 13:43:46.671345 - [OPTIMIZATION] Process handshake STREAM frames as soon as packet arrives. - [OPTIMIZATION] Do not compile expensive send controller sanity check by default. - [OPTIMIZATION] Add fast path to gquic_be_gen_reg_pkt_header. - [OPTIMIZATION] Only make squeeze function call if necessary. - [OPTIMIZATION] Speed up Q039 ACK frame parsing. - [OPTIMIZATION] Fit most used elements of packet_out into first 64 bytes. - [OPTIMIZATION] Keep track of scheduled bytes instead of calculating. - [OPTIMIZATION] Prefetch next unacked packet when processing ACK. - [OPTIMIZATION] Leverage fact that ACK ranges and unacked list are. ordered. - [OPTIMIZATION] Reduce function pointer use for STREAM frame generation - Fix: reset incoming streams that arrive after we send GOAWAY. - Fix: delay client on_new_conn() call until connection is fully set up. - Fixes to buffered packets logic: splitting, STREAM frame elision. - Fix: do not dispatch on_write callback if no packets are available. - Fix WINDOW_UPDATE send and resend logic. - Fix STREAM frame extension code. - Fix: Drop unflushed data when stream is reset. - Switch to tracking CWND using bytes rather than packets. - Fix TCP friendly adjustment in cubic. - Fix: do not generate invalid STOP_WAITING frames during high packet loss. - Pacer fixes.
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#include "lsquic_packet_common.h"
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#include "lsquic_packet_in.h"
struct lsquic_stream_if;
static const struct parse_funcs *const pf = select_pf_by_ver(LSQVER_035);
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lsquic_stream_t *
lsquic_stream_new_ext (uint32_t id,
struct lsquic_conn_public *conn_pub,
const struct lsquic_stream_if *stream_if,
void *stream_if_ctx, unsigned initial_sfcw,
unsigned initial_send_off, enum stream_ctor_flags ctor_flags)
{
lsquic_stream_t *stream = calloc(1, sizeof(*stream));
stream->id = id;
return stream;
}
uint64_t
lsquic_stream_tosend_offset (const lsquic_stream_t *stream)
{
return 1000;
}
int
lsquic_stream_tosend_fin (const lsquic_stream_t *stream)
{
return 0;
}
size_t
lsquic_stream_tosend_read (lsquic_stream_t *stream, void *buf, size_t len,
int *reached_fin)
{
memcpy(buf, "123456789012345678901234567890", 30);
*reached_fin = lsquic_stream_tosend_fin(stream);
return 30;
}
size_t
lsquic_stream_tosend_sz (const lsquic_stream_t *stream)
{
return 30;
}
static int make_complex_packet(unsigned char *pkt_buf, int max_buf_len)
{
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#if 0 /* What is this function testing? Seems useless. */
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unsigned char *p = pkt_buf;
unsigned char *const pend = p + 1500;
lsquic_stream_t *stream = lsquic_stream_new(12345, NULL, NULL, NULL, 0, 0);
uint32_t stream_id = 13989;
uint64_t offset = 10000;
uint64_t conn_id = 123579;
const char nonce[] = "1234567890ABCDEF1234567890abcdef"; /*32 bytes*/
uint64_t packet_num = 1356789;
int buf_len = pf->pf_gen_reg_pkt_header(p, 100, &conn_id, NULL, (const unsigned char *) nonce, packet_num,
calc_packno_bits(packet_num, 0, 0));
assert(buf_len > 0);
p += buf_len;
buf_len = pf->pf_gen_stream_frame(p, pend - p,
stream->id, lsquic_stream_tosend_offset(stream),
Latest changes - [API Change] lsquic_engine_connect() returns pointer to the connection object. - [API Change] Add lsquic_conn_get_engine() to get engine object from connection object. - [API Change] Add lsquic_conn_status() to query connection status. - [API Change] Add add lsquic_conn_set_ctx(). - [API Change] Add new timestamp format, e.g. 2017-03-21 13:43:46.671345 - [OPTIMIZATION] Process handshake STREAM frames as soon as packet arrives. - [OPTIMIZATION] Do not compile expensive send controller sanity check by default. - [OPTIMIZATION] Add fast path to gquic_be_gen_reg_pkt_header. - [OPTIMIZATION] Only make squeeze function call if necessary. - [OPTIMIZATION] Speed up Q039 ACK frame parsing. - [OPTIMIZATION] Fit most used elements of packet_out into first 64 bytes. - [OPTIMIZATION] Keep track of scheduled bytes instead of calculating. - [OPTIMIZATION] Prefetch next unacked packet when processing ACK. - [OPTIMIZATION] Leverage fact that ACK ranges and unacked list are. ordered. - [OPTIMIZATION] Reduce function pointer use for STREAM frame generation - Fix: reset incoming streams that arrive after we send GOAWAY. - Fix: delay client on_new_conn() call until connection is fully set up. - Fixes to buffered packets logic: splitting, STREAM frame elision. - Fix: do not dispatch on_write callback if no packets are available. - Fix WINDOW_UPDATE send and resend logic. - Fix STREAM frame extension code. - Fix: Drop unflushed data when stream is reset. - Switch to tracking CWND using bytes rather than packets. - Fix TCP friendly adjustment in cubic. - Fix: do not generate invalid STOP_WAITING frames during high packet loss. - Pacer fixes.
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lsquic_stream_tosend_fin(stream),
lsquic_stream_tosend_sz(stream),
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(gsf_read_f) lsquic_stream_tosend_read,
stream);
p += buf_len;
buf_len = pf->pf_gen_window_update_frame(p, pend - p, stream_id, offset);
p += buf_len;
free(stream);
return p - pkt_buf;
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#endif
return 0;
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}
void test_stream_frame()
{
const uint8_t data[] = "123456789012345678901234567890";
lsquic_stream_t *stream = lsquic_stream_new(12345, NULL, NULL, NULL, 0, 0);
uint8_t buf[1500];
int buf_len = pf->pf_gen_stream_frame(buf, 1500,
stream->id, lsquic_stream_tosend_offset(stream),
Latest changes - [API Change] lsquic_engine_connect() returns pointer to the connection object. - [API Change] Add lsquic_conn_get_engine() to get engine object from connection object. - [API Change] Add lsquic_conn_status() to query connection status. - [API Change] Add add lsquic_conn_set_ctx(). - [API Change] Add new timestamp format, e.g. 2017-03-21 13:43:46.671345 - [OPTIMIZATION] Process handshake STREAM frames as soon as packet arrives. - [OPTIMIZATION] Do not compile expensive send controller sanity check by default. - [OPTIMIZATION] Add fast path to gquic_be_gen_reg_pkt_header. - [OPTIMIZATION] Only make squeeze function call if necessary. - [OPTIMIZATION] Speed up Q039 ACK frame parsing. - [OPTIMIZATION] Fit most used elements of packet_out into first 64 bytes. - [OPTIMIZATION] Keep track of scheduled bytes instead of calculating. - [OPTIMIZATION] Prefetch next unacked packet when processing ACK. - [OPTIMIZATION] Leverage fact that ACK ranges and unacked list are. ordered. - [OPTIMIZATION] Reduce function pointer use for STREAM frame generation - Fix: reset incoming streams that arrive after we send GOAWAY. - Fix: delay client on_new_conn() call until connection is fully set up. - Fixes to buffered packets logic: splitting, STREAM frame elision. - Fix: do not dispatch on_write callback if no packets are available. - Fix WINDOW_UPDATE send and resend logic. - Fix STREAM frame extension code. - Fix: Drop unflushed data when stream is reset. - Switch to tracking CWND using bytes rather than packets. - Fix TCP friendly adjustment in cubic. - Fix: do not generate invalid STOP_WAITING frames during high packet loss. - Pacer fixes.
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lsquic_stream_tosend_fin(stream),
lsquic_stream_tosend_sz(stream),
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(gsf_read_f) lsquic_stream_tosend_read,
stream);
stream_frame_t stream_frame2;
pf->pf_parse_stream_frame(buf, buf_len, &stream_frame2);
assert(0 == stream_frame2.data_frame.df_fin );
assert(30 == stream_frame2.data_frame.df_size );
assert(1000 == stream_frame2.data_frame.df_offset );
assert(12345 == stream_frame2.stream_id);
assert(memcmp(data,stream_frame2.data_frame.df_data, stream_frame2.data_frame.df_size) == 0);
printf("test_stream_frame passed.\n");
free(stream);
}
int
main (void)
{
uint8_t pkt_buf[1500];
size_t buf_len;
buf_len = make_complex_packet(pkt_buf, 1500);
(void) buf_len;
test_stream_frame();
return 0;
}