Mercurial > hg > nginx-quic

annotate src/event/quic/ngx_event_quic.h @ 8796:7106a918a277 quic

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QUIC: the "quic_active_connection_id_limit" directive. The directive sets corresponding transport parameter and limits number of created client ids.
author Vladimir Homutov <vl@nginx.com>
date Tue, 18 Jan 2022 12:49:55 +0300
parents 56dec0d4e5b1
children 3d0fc72d409e
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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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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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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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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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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 struct {
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32 ngx_ssl_t *ssl;
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33
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34 ngx_flag_t retry;
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35 ngx_flag_t gso_enabled;
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36 ngx_flag_t disable_active_migration;
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37 ngx_msec_t timeout;
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38 ngx_str_t host_key;
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39 size_t mtu;
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40 size_t stream_buffer_size;
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41 ngx_uint_t max_concurrent_streams_bidi;
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42 ngx_uint_t max_concurrent_streams_uni;
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43 ngx_uint_t active_connection_id_limit;
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44 ngx_int_t stream_close_code;
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45 ngx_int_t stream_reject_code_uni;
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46 ngx_int_t stream_reject_code_bidi;
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47
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48 u_char av_token_key[NGX_QUIC_AV_KEY_LEN];
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49 u_char sr_token_key[NGX_QUIC_SR_KEY_LEN];
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50 } ngx_quic_conf_t;
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52
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53 struct ngx_quic_stream_s {
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54 ngx_rbtree_node_t node;
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55 ngx_queue_t queue;
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56 ngx_connection_t *parent;
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57 ngx_connection_t *connection;
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58 uint64_t id;
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eee307399229 QUIC basic congestion control.
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59 uint64_t acked;
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fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
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60 uint64_t send_max_data;
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61 uint64_t recv_max_data;
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62 uint64_t recv_offset;
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63 uint64_t recv_window;
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64 uint64_t recv_last;
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65 uint64_t final_size;
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66 ngx_chain_t *in;
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67 ngx_chain_t *out;
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68 ngx_uint_t cancelable; /* unsigned cancelable:1; */
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69 };
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70
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71
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72 void ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf);
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73 ngx_connection_t *ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi);
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74 void ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err,
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75 const char *reason);
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76 void ngx_quic_shutdown_connection(ngx_connection_t *c, ngx_uint_t err,
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77 const char *reason);
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78 ngx_int_t ngx_quic_reset_stream(ngx_connection_t *c, ngx_uint_t err);
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79 ngx_int_t ngx_quic_shutdown_stream(ngx_connection_t *c, int how);
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80 uint32_t ngx_quic_version(ngx_connection_t *c);
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81 ngx_int_t ngx_quic_handle_read_event(ngx_event_t *rev, ngx_uint_t flags);
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82 ngx_int_t ngx_quic_handle_write_event(ngx_event_t *wev, size_t lowat);
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83 ngx_int_t ngx_quic_get_packet_dcid(ngx_log_t *log, u_char *data, size_t len,
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84 ngx_str_t *dcid);
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85 ngx_int_t ngx_quic_derive_key(ngx_log_t *log, const char *label,
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86 ngx_str_t *secret, ngx_str_t *salt, u_char *out, size_t len);
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87
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88 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */