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annotate src/event/quic/ngx_event_quic.h @ 9011:f9c788f3f5cc quic

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QUIC: ngx_quic_buffer_t object. The object is used instead of ngx_chain_t pointer for buffer operations like ngx_quic_write_chain() and ngx_quic_read_chain(). These functions are renamed to ngx_quic_write_buffer() and ngx_quic_read_buffer().
author Roman Arutyunyan <arut@nginx.com>
date Mon, 14 Feb 2022 15:27:59 +0300
parents a5aebd51e4c7
children 8d11e2171697
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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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13
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69345a26ba69 Split transport and crypto parts into separate files.
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14
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15 #define NGX_QUIC_MAX_UDP_PAYLOAD_SIZE 65527
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16
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17 #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3
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18 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25
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cef042935003 QUIC: the "quic_host_key" directive.
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19 #define NGX_QUIC_DEFAULT_HOST_KEY_LEN 32
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20 #define NGX_QUIC_SR_KEY_LEN 32
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21 #define NGX_QUIC_AV_KEY_LEN 32
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c8bda5e1e662 QUIC: headers cleanup.
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23 #define NGX_QUIC_SR_TOKEN_LEN 16
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24
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25 #define NGX_QUIC_MIN_INITIAL_SIZE 1200
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26
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27 #define NGX_QUIC_STREAM_SERVER_INITIATED 0x01
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28 #define NGX_QUIC_STREAM_UNIDIRECTIONAL 0x02
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29
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30
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31 typedef enum {
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32 NGX_QUIC_STREAM_SEND_READY = 0,
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33 NGX_QUIC_STREAM_SEND_SEND,
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34 NGX_QUIC_STREAM_SEND_DATA_SENT,
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35 NGX_QUIC_STREAM_SEND_DATA_RECVD,
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36 NGX_QUIC_STREAM_SEND_RESET_SENT,
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37 NGX_QUIC_STREAM_SEND_RESET_RECVD
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38 } ngx_quic_stream_send_state_e;
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39
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40
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41 typedef enum {
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42 NGX_QUIC_STREAM_RECV_RECV = 0,
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43 NGX_QUIC_STREAM_RECV_SIZE_KNOWN,
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44 NGX_QUIC_STREAM_RECV_DATA_RECVD,
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45 NGX_QUIC_STREAM_RECV_DATA_READ,
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46 NGX_QUIC_STREAM_RECV_RESET_RECVD,
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47 NGX_QUIC_STREAM_RECV_RESET_READ
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48 } ngx_quic_stream_recv_state_e;
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49
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50
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51 typedef struct {
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52 uint64_t size;
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53 uint64_t offset;
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54 ngx_chain_t *chain;
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55 } ngx_quic_buffer_t;
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56
f9c788f3f5cc QUIC: ngx_quic_buffer_t object.
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57
f9c788f3f5cc QUIC: ngx_quic_buffer_t object.
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58 typedef struct {
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59 ngx_ssl_t *ssl;
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60
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61 ngx_flag_t retry;
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62 ngx_flag_t gso_enabled;
cba58cb06b3a QUIC: style.
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63 ngx_flag_t disable_active_migration;
cba58cb06b3a QUIC: style.
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64 ngx_msec_t timeout;
cba58cb06b3a QUIC: style.
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65 ngx_str_t host_key;
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66 size_t mtu;
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67 size_t stream_buffer_size;
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68 ngx_uint_t max_concurrent_streams_bidi;
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69 ngx_uint_t max_concurrent_streams_uni;
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70 ngx_uint_t active_connection_id_limit;
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71 ngx_int_t stream_close_code;
cba58cb06b3a QUIC: style.
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72 ngx_int_t stream_reject_code_uni;
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73 ngx_int_t stream_reject_code_bidi;
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74
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75 u_char av_token_key[NGX_QUIC_AV_KEY_LEN];
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76 u_char sr_token_key[NGX_QUIC_SR_KEY_LEN];
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77 } ngx_quic_conf_t;
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78
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79
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80 struct ngx_quic_stream_s {
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81 ngx_rbtree_node_t node;
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82 ngx_queue_t queue;
cba58cb06b3a QUIC: style.
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83 ngx_connection_t *parent;
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84 ngx_connection_t *connection;
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85 uint64_t id;
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86 uint64_t acked;
cba58cb06b3a QUIC: style.
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parents: 8990
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87 uint64_t send_max_data;
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parents: 9003
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88 uint64_t send_offset;
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parents: 9003
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89 uint64_t send_final_size;
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parents: 8990
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90 uint64_t recv_max_data;
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91 uint64_t recv_offset;
cba58cb06b3a QUIC: style.
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92 uint64_t recv_window;
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93 uint64_t recv_last;
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94 uint64_t recv_final_size;
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95 ngx_quic_buffer_t send;
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96 ngx_quic_buffer_t recv;
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97 ngx_quic_stream_send_state_e send_state;
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98 ngx_quic_stream_recv_state_e recv_state;
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99 ngx_uint_t cancelable; /* unsigned cancelable:1; */
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parents: 8182
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100 };
4ae9ac69ab93 HTTP/QUIC interface reworked.
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parents: 8182
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101
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b507592c15a7 Server Initial Keys.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8167
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102
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bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
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103 void ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf);
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455a8536eaa7 QUIC: limited the number of server-initiated streams.
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parents: 8483
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104 ngx_connection_t *ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi);
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parents: 8438
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105 void ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err,
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
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106 const char *reason);
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107 void ngx_quic_shutdown_connection(ngx_connection_t *c, ngx_uint_t err,
fc64ab301bad QUIC: connection shutdown.
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108 const char *reason);
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d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
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109 ngx_int_t ngx_quic_reset_stream(ngx_connection_t *c, ngx_uint_t err);
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Vladimir Homutov <vl@nginx.com>
parents: 8855
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110 ngx_int_t ngx_quic_shutdown_stream(ngx_connection_t *c, int how);
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parents: 8827
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111 ngx_int_t ngx_quic_handle_read_event(ngx_event_t *rev, ngx_uint_t flags);
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parents: 8827
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112 ngx_int_t ngx_quic_handle_write_event(ngx_event_t *wev, size_t lowat);
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Roman Arutyunyan <arut@nginx.com>
parents: 8626
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113 ngx_int_t ngx_quic_get_packet_dcid(ngx_log_t *log, u_char *data, size_t len,
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8626
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114 ngx_str_t *dcid);
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Sergey Kandaurov <pluknet@nginx.com>
parents: 8754
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115 ngx_int_t ngx_quic_derive_key(ngx_log_t *log, const char *label,
b4e6b7049984 QUIC: normalize header inclusion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8754
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116 ngx_str_t *secret, ngx_str_t *salt, u_char *out, size_t len);
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parents:
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117
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118 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */