Mercurial > hg > nginx
annotate src/event/ngx_event_quic.h @ 8365:fab75acb1f72 quic
Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Tue, 28 Apr 2020 16:37:32 +0300 |
parents | eee307399229 |
children | 9d9531431c8c |
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Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
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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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5 |
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Initial QUIC support in http.
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6 |
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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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Fixed includes in quic headers.
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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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Implemented sending HANDSHAKE_DONE frame after handshake.
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15 #define NGX_QUIC_DRAFT_VERSION 27 |
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16 #define NGX_QUIC_VERSION (0xff000000 + NGX_QUIC_DRAFT_VERSION) |
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17 |
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18 #define NGX_QUIC_MAX_SHORT_HEADER 25 /* 1 flags + 20 dcid + 4 pn */ |
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19 #define NGX_QUIC_MAX_LONG_HEADER 56 |
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20 /* 1 flags + 4 version + 2 x (1 + 20) s/dcid + 4 pn + 4 len + token len */ |
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21 |
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22 #define NGX_QUIC_DEFAULT_MAX_PACKET_SIZE 65527 |
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23 #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3 |
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24 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25 |
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25 |
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26 #define NGX_QUIC_HARDCODED_PTO 1000 /* 1s, TODO: collect */ |
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27 #define NGX_QUIC_CC_MIN_INTERVAL 1000 /* 1s */ |
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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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Removed ngx_quic_stream_node_t.
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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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Safe QUIC stream creation.
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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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HTTP/3: bytes holding directives changed to ngx_conf_set_size_slot.
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42 size_t max_packet_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 disable_active_migration; |
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51 ngx_uint_t active_connection_id_limit; |
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52 |
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53 /* TODO */ |
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54 ngx_uint_t original_connection_id; |
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55 u_char stateless_reset_token[16]; |
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56 void *preferred_address; |
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57 } ngx_quic_tp_t; |
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58 |
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59 |
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60 typedef struct { |
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61 uint64_t sent; |
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62 uint64_t received; |
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63 ngx_queue_t frames; /* reorder queue */ |
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64 size_t total; /* size of buffered data */ |
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65 } ngx_quic_frames_stream_t; |
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66 |
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67 |
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68 struct ngx_quic_stream_s { |
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69 ngx_rbtree_node_t node; |
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70 ngx_connection_t *parent; |
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71 ngx_connection_t *c; |
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72 uint64_t id; |
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73 uint64_t acked; |
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74 uint64_t send_max_data; |
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75 ngx_buf_t *b; |
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76 ngx_quic_frames_stream_t fs; |
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77 }; |
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78 |
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80 void ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_tp_t *tp, |
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81 ngx_connection_handler_pt handler); |
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82 ngx_connection_t *ngx_quic_create_uni_stream(ngx_connection_t *c); |
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83 |
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84 |
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85 /********************************* DEBUG *************************************/ |
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86 |
8359 | 87 //#define NGX_QUIC_DEBUG_PACKETS /* dump packet contents */ |
88 //#define NGX_QUIC_DEBUG_FRAMES /* dump frames contents */ | |
89 //#define NGX_QUIC_DEBUG_FRAMES_ALLOC /* log frames alloc/reuse/free */ | |
90 //#define NGX_QUIC_DEBUG_CRYPTO | |
91 | |
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92 #if (NGX_DEBUG) |
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93 |
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94 #define ngx_quic_hexdump(log, label, data, len) \ |
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95 do { \ |
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96 ngx_int_t m; \ |
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97 u_char buf[2048]; \ |
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98 \ |
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99 if (log->log_level & NGX_LOG_DEBUG_EVENT) { \ |
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100 m = ngx_hex_dump(buf, (u_char *) data, ngx_min(len, 1024)) - buf; \ |
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101 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, log, 0, \ |
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102 label " len:%uz data:%*s%s", \ |
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103 len, m, buf, len < 2048 ? "" : "..."); \ |
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104 } \ |
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105 } while (0) |
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106 |
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107 #else |
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108 |
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109 #define ngx_quic_hexdump(log, fmt, data, len) |
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110 |
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111 #endif |
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112 |
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113 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */ |