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annotate src/event/ngx_event_quic.h @ 8265:d45325e90221 quic

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Limit output QUIC packets with client max_packet_size. Additionally, receive larger packets than 512 bytes.
author Roman Arutyunyan <arut@nginx.com>
date Mon, 23 Mar 2020 18:47:17 +0300
parents 1295b293d09a
children c9c3a73df6e8
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1
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2 /*
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3 * Copyright (C) Nginx, Inc.
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4 */
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7 #ifndef _NGX_EVENT_QUIC_H_INCLUDED_
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8 #define _NGX_EVENT_QUIC_H_INCLUDED_
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9
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10
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11 #include <ngx_event_openssl.h>
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14 #define quic_version 0xff000018 /* draft-24 (ngtcp2) */
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15 //#define quic_version 0xff00001b /* draft-27 (FFN 76) */
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17 #define NGX_QUIC_MAX_SHORT_HEADER 25
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18 #define NGX_QUIC_MAX_LONG_HEADER 346
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19
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20 #define NGX_QUIC_DEFAULT_MAX_PACKET_SIZE 65527
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21 #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3
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22 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25
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24
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25 typedef struct {
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26 /* configurable */
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27 ngx_msec_t max_idle_timeout;
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28 ngx_msec_t max_ack_delay;
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29
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30 ngx_uint_t max_packet_size;
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31 ngx_uint_t initial_max_data;
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32 ngx_uint_t initial_max_stream_data_bidi_local;
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33 ngx_uint_t initial_max_stream_data_bidi_remote;
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34 ngx_uint_t initial_max_stream_data_uni;
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35 ngx_uint_t initial_max_streams_bidi;
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36 ngx_uint_t initial_max_streams_uni;
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37 ngx_uint_t ack_delay_exponent;
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38 ngx_uint_t disable_active_migration;
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39 ngx_uint_t active_connection_id_limit;
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40
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41 /* TODO */
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42 ngx_uint_t original_connection_id;
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43 u_char stateless_reset_token[16];
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44 void *preferred_address;
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45 } ngx_quic_tp_t;
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46
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47
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48 struct ngx_quic_stream_s {
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49 uint64_t id;
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50 ngx_uint_t unidirectional:1;
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51 ngx_connection_t *parent;
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52 void *data;
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53 };
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54
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55
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56 void ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_tp_t *tp,
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57 ngx_msec_t timeout, ngx_connection_handler_pt handler);
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58 ngx_connection_t *ngx_quic_create_uni_stream(ngx_connection_t *c);
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60
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61 /********************************* DEBUG *************************************/
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62
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63 #if (NGX_DEBUG)
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64
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65 #define ngx_quic_hexdump(log, fmt, data, len, ...) \
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66 do { \
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67 ngx_int_t m; \
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68 u_char buf[2048]; \
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69 \
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70 if (log->log_level & NGX_LOG_DEBUG_EVENT) { \
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71 m = ngx_hex_dump(buf, (u_char *) data, ngx_min(len, 1024)) - buf; \
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72 ngx_log_debug(NGX_LOG_DEBUG_EVENT, log, 0, \
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73 "%s: " fmt " %*s%s, len: %uz", \
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74 __FUNCTION__, __VA_ARGS__, m, buf, \
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75 len < 2048 ? "" : "...", len); \
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76 } \
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77 } while (0)
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78
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79 #else
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80
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81 #define ngx_quic_hexdump(log, fmt, data, len, ...)
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82
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83 #endif
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84
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85 #define ngx_quic_hexdump0(log, fmt, data, len) \
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86 ngx_quic_hexdump(log, fmt "%s", data, len, "") \
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87
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88
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89 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */