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annotate src/event/quic/ngx_event_quic.h @ 8895:4b2d259bdadd quic

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QUIC: connections with wrong ALPN protocols are now rejected. Previously, it was not enforced in the stream module. Now, since b9e02e9b2f1d it is possible to specify protocols. Since ALPN is always required, the 'require_alpn' setting is now obsolete.
author Vladimir Homutov <vl@nginx.com>
date Wed, 03 Nov 2021 13:36:21 +0300
parents b4c7853b0488
children 41caf5410110
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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14
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15 #define NGX_QUIC_MAX_UDP_PAYLOAD_SIZE 65527
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391d06a51bc0 Limited max udp payload size for outgoing packets.
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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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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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22
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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 #define NGX_QUIC_STREAM_BUFSIZE 65536
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4cf00c14f11a Safe QUIC stream creation.
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31
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32
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33 typedef struct {
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34 /* configurable */
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35 ngx_msec_t max_idle_timeout;
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36 ngx_msec_t max_ack_delay;
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37
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38 size_t max_udp_payload_size;
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39 size_t initial_max_data;
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40 size_t initial_max_stream_data_bidi_local;
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41 size_t initial_max_stream_data_bidi_remote;
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42 size_t initial_max_stream_data_uni;
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43 ngx_uint_t initial_max_streams_bidi;
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44 ngx_uint_t initial_max_streams_uni;
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45 ngx_uint_t ack_delay_exponent;
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46 ngx_uint_t active_connection_id_limit;
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47 ngx_flag_t disable_active_migration;
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48 ngx_str_t original_dcid;
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49 ngx_str_t initial_scid;
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50 ngx_str_t retry_scid;
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b31c02454539 QUIC: added stateless reset support.
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51 u_char sr_token[NGX_QUIC_SR_TOKEN_LEN];
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52
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53 /* TODO */
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54 void *preferred_address;
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55 } ngx_quic_tp_t;
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56
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57
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58 typedef struct {
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59 ngx_ssl_t *ssl;
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60 ngx_quic_tp_t tp;
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61 ngx_flag_t retry;
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62 ngx_flag_t gso_enabled;
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63 ngx_str_t host_key;
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64 u_char av_token_key[NGX_QUIC_AV_KEY_LEN];
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65 u_char sr_token_key[NGX_QUIC_SR_KEY_LEN];
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66 } ngx_quic_conf_t;
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67
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68
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69 struct ngx_quic_stream_s {
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70 ngx_rbtree_node_t node;
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71 ngx_queue_t queue;
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72 ngx_connection_t *parent;
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73 ngx_connection_t *connection;
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74 uint64_t id;
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75 uint64_t acked;
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76 uint64_t send_max_data;
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77 uint64_t recv_max_data;
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78 uint64_t recv_offset;
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79 uint64_t recv_window;
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80 uint64_t recv_last;
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81 uint64_t final_size;
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82 ngx_chain_t *in;
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83 ngx_uint_t cancelable; /* unsigned cancelable:1; */
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84 };
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85
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b507592c15a7 Server Initial Keys.
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86
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87 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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88 ngx_connection_t *ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi);
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e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
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89 void ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err,
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90 const char *reason);
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91 void ngx_quic_shutdown_connection(ngx_connection_t *c, ngx_uint_t err,
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92 const char *reason);
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d710c457171c QUIC: added ability to reset a stream.
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93 ngx_int_t ngx_quic_reset_stream(ngx_connection_t *c, ngx_uint_t err);
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b4c7853b0488 QUIC: added shutdown support in stream proxy.
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94 ngx_int_t ngx_quic_shutdown_stream(ngx_connection_t *c, int how);
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e0947c952d43 QUIC: multiple versions support in ALPN.
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95 uint32_t ngx_quic_version(ngx_connection_t *c);
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9ae239d2547d QUIC: separate event handling functions.
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96 ngx_int_t ngx_quic_handle_read_event(ngx_event_t *rev, ngx_uint_t flags);
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97 ngx_int_t ngx_quic_handle_write_event(ngx_event_t *wev, size_t lowat);
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98 ngx_int_t ngx_quic_get_packet_dcid(ngx_log_t *log, u_char *data, size_t len,
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99 ngx_str_t *dcid);
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100 ngx_int_t ngx_quic_derive_key(ngx_log_t *log, const char *label,
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101 ngx_str_t *secret, ngx_str_t *salt, u_char *out, size_t len);
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102
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103 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */