Mercurial > hg > nginx
view src/event/ngx_event_quic.h @ 8399:ffd362e87eb2 quic
Added more context to CONNECTION CLOSE frames.
Now it is possible to specify frame type that caused an error
and a human-readable reason phrase.
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Fri, 22 May 2020 18:08:02 +0300 |
parents | 7ea34e13937f |
children | 125cbfa77013 |
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/* * Copyright (C) Nginx, Inc. */ #ifndef _NGX_EVENT_QUIC_H_INCLUDED_ #define _NGX_EVENT_QUIC_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> #define NGX_QUIC_DRAFT_VERSION 27 #define NGX_QUIC_VERSION (0xff000000 + NGX_QUIC_DRAFT_VERSION) #define NGX_QUIC_MAX_SHORT_HEADER 25 /* 1 flags + 20 dcid + 4 pn */ #define NGX_QUIC_MAX_LONG_HEADER 56 /* 1 flags + 4 version + 2 x (1 + 20) s/dcid + 4 pn + 4 len + token len */ #define NGX_QUIC_DEFAULT_MAX_PACKET_SIZE 65527 #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25 #define NGX_QUIC_RETRY_TIMEOUT 3000 #define NGX_QUIC_RETRY_LIFETIME 30000 #define NGX_QUIC_RETRY_BUFFER_SIZE 128 /* 1 flags + 4 version + 3 x (1 + 20) s/o/dcid + itag + token(44) */ #define NGX_QUIC_MAX_TOKEN_SIZE 32 /* sizeof(struct in6_addr) + sizeof(ngx_msec_t) up to AES-256 block size */ #define NGX_QUIC_HARDCODED_PTO 1000 /* 1s, TODO: collect */ #define NGX_QUIC_CC_MIN_INTERVAL 1000 /* 1s */ #define NGX_QUIC_MIN_INITIAL_SIZE 1200 #define NGX_QUIC_STREAM_SERVER_INITIATED 0x01 #define NGX_QUIC_STREAM_UNIDIRECTIONAL 0x02 #define NGX_QUIC_STREAM_BUFSIZE 65536 typedef struct { /* configurable */ ngx_msec_t max_idle_timeout; ngx_msec_t max_ack_delay; size_t max_packet_size; size_t initial_max_data; size_t initial_max_stream_data_bidi_local; size_t initial_max_stream_data_bidi_remote; size_t initial_max_stream_data_uni; ngx_uint_t initial_max_streams_bidi; ngx_uint_t initial_max_streams_uni; ngx_uint_t ack_delay_exponent; ngx_uint_t disable_active_migration; ngx_uint_t active_connection_id_limit; ngx_str_t original_connection_id; ngx_flag_t retry; u_char token_key[32]; /* AES 256 */ /* TODO */ u_char stateless_reset_token[16]; void *preferred_address; } ngx_quic_tp_t; typedef struct { uint64_t sent; uint64_t received; ngx_queue_t frames; /* reorder queue */ size_t total; /* size of buffered data */ } ngx_quic_frames_stream_t; struct ngx_quic_stream_s { ngx_rbtree_node_t node; ngx_connection_t *parent; ngx_connection_t *c; uint64_t id; uint64_t acked; uint64_t send_max_data; ngx_buf_t *b; ngx_quic_frames_stream_t fs; }; void ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_tp_t *tp, ngx_connection_handler_pt handler); ngx_connection_t *ngx_quic_create_uni_stream(ngx_connection_t *c); /********************************* DEBUG *************************************/ /* #define NGX_QUIC_DEBUG_PACKETS */ /* dump packet contents */ /* #define NGX_QUIC_DEBUG_FRAMES */ /* dump frames contents */ /* #define NGX_QUIC_DEBUG_FRAMES_ALLOC */ /* log frames alloc/reuse/free */ /* #define NGX_QUIC_DEBUG_CRYPTO */ #if (NGX_DEBUG) #define ngx_quic_hexdump(log, label, data, len) \ do { \ ngx_int_t m; \ u_char buf[2048]; \ \ if (log->log_level & NGX_LOG_DEBUG_EVENT) { \ m = ngx_hex_dump(buf, (u_char *) data, ngx_min(len, 1024)) - buf; \ ngx_log_debug4(NGX_LOG_DEBUG_EVENT, log, 0, \ label " len:%uz data:%*s%s", \ len, m, buf, len < 2048 ? "" : "..."); \ } \ } while (0) #else #define ngx_quic_hexdump(log, fmt, data, len) #endif #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */