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annotate src/event/quic/ngx_event_quic.h @ 8407:c8bda5e1e662 quic

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QUIC: headers cleanup. The "ngx_event_quic.h" header file now contains only public definitions, used by modules. All internal definitions are moved into the "ngx_event_quic_connection.h" header file.
author Vladimir Homutov <vl@nginx.com>
date Wed, 14 Apr 2021 14:47:37 +0300
parents 9ce6d80df113
children 915c2f7092ed
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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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10
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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14
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15 #ifndef NGX_QUIC_DRAFT_VERSION
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16 #define NGX_QUIC_DRAFT_VERSION 29
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17 #endif
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18
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19 #define NGX_QUIC_MAX_UDP_PAYLOAD_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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23 #define NGX_QUIC_DEFAULT_HOST_KEY_LEN 32
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24 #define NGX_QUIC_SR_KEY_LEN 32
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25 #define NGX_QUIC_AV_KEY_LEN 32
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27 #define NGX_QUIC_SR_TOKEN_LEN 16
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28
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29 #define NGX_QUIC_MIN_INITIAL_SIZE 1200
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30
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31 #define NGX_QUIC_STREAM_SERVER_INITIATED 0x01
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32 #define NGX_QUIC_STREAM_UNIDIRECTIONAL 0x02
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33
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34 #define NGX_QUIC_STREAM_BUFSIZE 65536
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35
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36
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37 typedef struct {
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38 /* configurable */
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39 ngx_msec_t max_idle_timeout;
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40 ngx_msec_t max_ack_delay;
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41
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42 size_t max_udp_payload_size;
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43 size_t initial_max_data;
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44 size_t initial_max_stream_data_bidi_local;
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45 size_t initial_max_stream_data_bidi_remote;
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46 size_t initial_max_stream_data_uni;
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47 ngx_uint_t initial_max_streams_bidi;
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48 ngx_uint_t initial_max_streams_uni;
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49 ngx_uint_t ack_delay_exponent;
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50 ngx_uint_t active_connection_id_limit;
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51 ngx_flag_t disable_active_migration;
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52 ngx_str_t original_dcid;
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53 ngx_str_t initial_scid;
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54 ngx_str_t retry_scid;
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55 u_char sr_token[NGX_QUIC_SR_TOKEN_LEN];
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56
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57 /* TODO */
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58 void *preferred_address;
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59 } ngx_quic_tp_t;
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60
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61
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62 typedef struct {
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63 ngx_ssl_t *ssl;
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64 ngx_quic_tp_t tp;
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65 ngx_flag_t retry;
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66 ngx_flag_t require_alpn;
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67 ngx_str_t host_key;
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68 u_char av_token_key[NGX_QUIC_AV_KEY_LEN];
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69 u_char sr_token_key[NGX_QUIC_SR_KEY_LEN];
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70 } ngx_quic_conf_t;
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73 typedef struct {
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74 uint64_t sent;
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75 uint64_t received;
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76 ngx_queue_t frames; /* reorder queue */
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77 size_t total; /* size of buffered data */
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78 } ngx_quic_frames_stream_t;
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79
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80
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81 struct ngx_quic_stream_s {
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82 ngx_rbtree_node_t node;
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83 ngx_connection_t *parent;
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84 ngx_connection_t *c;
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85 uint64_t id;
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86 uint64_t acked;
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87 uint64_t send_max_data;
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88 ngx_buf_t *b;
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89 ngx_quic_frames_stream_t fs;
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90 ngx_uint_t cancelable; /* unsigned cancelable:1; */
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91 };
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92
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94 typedef struct ngx_quic_keys_s ngx_quic_keys_t;
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96
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97 void ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf);
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98 ngx_connection_t *ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi);
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99 void ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err,
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100 const char *reason);
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101 void ngx_quic_shutdown_connection(ngx_connection_t *c, ngx_uint_t err,
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102 const char *reason);
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103 ngx_int_t ngx_quic_reset_stream(ngx_connection_t *c, ngx_uint_t err);
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104 uint32_t ngx_quic_version(ngx_connection_t *c);
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105 ngx_int_t ngx_quic_get_packet_dcid(ngx_log_t *log, u_char *data, size_t len,
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106 ngx_str_t *dcid);
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108 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */