diff options
Diffstat (limited to 'src/http/v3/ngx_http_v3.h')
| -rw-r--r-- | src/http/v3/ngx_http_v3.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/http/v3/ngx_http_v3.h b/src/http/v3/ngx_http_v3.h new file mode 100644 index 000000000..94b0d3e78 --- /dev/null +++ b/src/http/v3/ngx_http_v3.h @@ -0,0 +1,157 @@ + +/* + * Copyright (C) Roman Arutyunyan + * Copyright (C) Nginx, Inc. + */ + + +#ifndef _NGX_HTTP_V3_H_INCLUDED_ +#define _NGX_HTTP_V3_H_INCLUDED_ + + +#include <ngx_config.h> +#include <ngx_core.h> +#include <ngx_http.h> + +#include <ngx_http_v3_parse.h> +#include <ngx_http_v3_encode.h> +#include <ngx_http_v3_uni.h> +#include <ngx_http_v3_table.h> + + +#define NGX_HTTP_V3_ALPN_PROTO "\x02h3" +#define NGX_HTTP_V3_HQ_ALPN_PROTO "\x0Ahq-interop" +#define NGX_HTTP_V3_HQ_PROTO "hq-interop" + +#define NGX_HTTP_V3_VARLEN_INT_LEN 4 +#define NGX_HTTP_V3_PREFIX_INT_LEN 11 + +#define NGX_HTTP_V3_STREAM_CONTROL 0x00 +#define NGX_HTTP_V3_STREAM_PUSH 0x01 +#define NGX_HTTP_V3_STREAM_ENCODER 0x02 +#define NGX_HTTP_V3_STREAM_DECODER 0x03 + +#define NGX_HTTP_V3_FRAME_DATA 0x00 +#define NGX_HTTP_V3_FRAME_HEADERS 0x01 +#define NGX_HTTP_V3_FRAME_CANCEL_PUSH 0x03 +#define NGX_HTTP_V3_FRAME_SETTINGS 0x04 +#define NGX_HTTP_V3_FRAME_PUSH_PROMISE 0x05 +#define NGX_HTTP_V3_FRAME_GOAWAY 0x07 +#define NGX_HTTP_V3_FRAME_MAX_PUSH_ID 0x0d + +#define NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY 0x01 +#define NGX_HTTP_V3_PARAM_MAX_FIELD_SECTION_SIZE 0x06 +#define NGX_HTTP_V3_PARAM_BLOCKED_STREAMS 0x07 + +#define NGX_HTTP_V3_MAX_TABLE_CAPACITY 4096 + +#define NGX_HTTP_V3_STREAM_CLIENT_CONTROL 0 +#define NGX_HTTP_V3_STREAM_SERVER_CONTROL 1 +#define NGX_HTTP_V3_STREAM_CLIENT_ENCODER 2 +#define NGX_HTTP_V3_STREAM_SERVER_ENCODER 3 +#define NGX_HTTP_V3_STREAM_CLIENT_DECODER 4 +#define NGX_HTTP_V3_STREAM_SERVER_DECODER 5 +#define NGX_HTTP_V3_MAX_KNOWN_STREAM 6 +#define NGX_HTTP_V3_MAX_UNI_STREAMS 3 + +/* HTTP/3 errors */ +#define NGX_HTTP_V3_ERR_NO_ERROR 0x100 +#define NGX_HTTP_V3_ERR_GENERAL_PROTOCOL_ERROR 0x101 +#define NGX_HTTP_V3_ERR_INTERNAL_ERROR 0x102 +#define NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR 0x103 +#define NGX_HTTP_V3_ERR_CLOSED_CRITICAL_STREAM 0x104 +#define NGX_HTTP_V3_ERR_FRAME_UNEXPECTED 0x105 +#define NGX_HTTP_V3_ERR_FRAME_ERROR 0x106 +#define NGX_HTTP_V3_ERR_EXCESSIVE_LOAD 0x107 +#define NGX_HTTP_V3_ERR_ID_ERROR 0x108 +#define NGX_HTTP_V3_ERR_SETTINGS_ERROR 0x109 +#define NGX_HTTP_V3_ERR_MISSING_SETTINGS 0x10a +#define NGX_HTTP_V3_ERR_REQUEST_REJECTED 0x10b +#define NGX_HTTP_V3_ERR_REQUEST_CANCELLED 0x10c +#define NGX_HTTP_V3_ERR_REQUEST_INCOMPLETE 0x10d +#define NGX_HTTP_V3_ERR_CONNECT_ERROR 0x10f +#define NGX_HTTP_V3_ERR_VERSION_FALLBACK 0x110 + +/* QPACK errors */ +#define NGX_HTTP_V3_ERR_DECOMPRESSION_FAILED 0x200 +#define NGX_HTTP_V3_ERR_ENCODER_STREAM_ERROR 0x201 +#define NGX_HTTP_V3_ERR_DECODER_STREAM_ERROR 0x202 + + +#define ngx_http_quic_get_connection(c) \ + ((ngx_http_connection_t *) ((c)->quic ? (c)->quic->parent->data \ + : (c)->data)) + +#define ngx_http_v3_get_session(c) ngx_http_quic_get_connection(c)->v3_session + +#define ngx_http_v3_get_module_loc_conf(c, module) \ + ngx_http_get_module_loc_conf(ngx_http_quic_get_connection(c)->conf_ctx, \ + module) + +#define ngx_http_v3_get_module_srv_conf(c, module) \ + ngx_http_get_module_srv_conf(ngx_http_quic_get_connection(c)->conf_ctx, \ + module) + +#define ngx_http_v3_finalize_connection(c, code, reason) \ + ngx_quic_finalize_connection((c)->quic ? (c)->quic->parent : (c), \ + code, reason) + +#define ngx_http_v3_shutdown_connection(c, code, reason) \ + ngx_quic_shutdown_connection((c)->quic ? (c)->quic->parent : (c), \ + code, reason) + + +typedef struct { + ngx_flag_t enable; + ngx_flag_t enable_hq; + size_t max_table_capacity; + ngx_uint_t max_blocked_streams; + ngx_uint_t max_concurrent_streams; + ngx_quic_conf_t quic; +} ngx_http_v3_srv_conf_t; + + +struct ngx_http_v3_parse_s { + size_t header_limit; + ngx_http_v3_parse_headers_t headers; + ngx_http_v3_parse_data_t body; + ngx_array_t *cookies; +}; + + +struct ngx_http_v3_session_s { + ngx_http_v3_dynamic_table_t table; + + ngx_event_t keepalive; + ngx_uint_t nrequests; + + ngx_queue_t blocked; + ngx_uint_t nblocked; + + uint64_t next_request_id; + + off_t total_bytes; + off_t payload_bytes; + + unsigned goaway:1; + unsigned hq:1; + + ngx_connection_t *known_streams[NGX_HTTP_V3_MAX_KNOWN_STREAM]; +}; + + +void ngx_http_v3_init_stream(ngx_connection_t *c); +void ngx_http_v3_reset_stream(ngx_connection_t *c); +ngx_int_t ngx_http_v3_init_session(ngx_connection_t *c); +ngx_int_t ngx_http_v3_check_flood(ngx_connection_t *c); +ngx_int_t ngx_http_v3_init(ngx_connection_t *c); +void ngx_http_v3_shutdown(ngx_connection_t *c); + +ngx_int_t ngx_http_v3_read_request_body(ngx_http_request_t *r); +ngx_int_t ngx_http_v3_read_unbuffered_request_body(ngx_http_request_t *r); + + +extern ngx_module_t ngx_http_v3_module; + + +#endif /* _NGX_HTTP_V3_H_INCLUDED_ */ |