diff options
Diffstat (limited to 'src/event/quic/ngx_event_quic.h')
| -rw-r--r-- | src/event/quic/ngx_event_quic.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/event/quic/ngx_event_quic.h b/src/event/quic/ngx_event_quic.h new file mode 100644 index 000000000..af6b6838f --- /dev/null +++ b/src/event/quic/ngx_event_quic.h @@ -0,0 +1,110 @@ + +/* + * 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_MAX_UDP_PAYLOAD_SIZE 65527 + +#define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3 +#define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25 +#define NGX_QUIC_DEFAULT_HOST_KEY_LEN 32 +#define NGX_QUIC_SR_KEY_LEN 32 +#define NGX_QUIC_AV_KEY_LEN 32 + +#define NGX_QUIC_SR_TOKEN_LEN 16 + +#define NGX_QUIC_MIN_INITIAL_SIZE 1200 + +#define NGX_QUIC_STREAM_SERVER_INITIATED 0x01 +#define NGX_QUIC_STREAM_UNIDIRECTIONAL 0x02 + + +typedef enum { + NGX_QUIC_STREAM_SEND_READY = 0, + NGX_QUIC_STREAM_SEND_SEND, + NGX_QUIC_STREAM_SEND_DATA_SENT, + NGX_QUIC_STREAM_SEND_DATA_RECVD, + NGX_QUIC_STREAM_SEND_RESET_SENT, + NGX_QUIC_STREAM_SEND_RESET_RECVD +} ngx_quic_stream_send_state_e; + + +typedef enum { + NGX_QUIC_STREAM_RECV_RECV = 0, + NGX_QUIC_STREAM_RECV_SIZE_KNOWN, + NGX_QUIC_STREAM_RECV_DATA_RECVD, + NGX_QUIC_STREAM_RECV_DATA_READ, + NGX_QUIC_STREAM_RECV_RESET_RECVD, + NGX_QUIC_STREAM_RECV_RESET_READ +} ngx_quic_stream_recv_state_e; + + +typedef struct { + ngx_ssl_t *ssl; + + ngx_flag_t retry; + ngx_flag_t gso_enabled; + ngx_flag_t disable_active_migration; + ngx_msec_t timeout; + ngx_str_t host_key; + size_t mtu; + size_t stream_buffer_size; + ngx_uint_t max_concurrent_streams_bidi; + ngx_uint_t max_concurrent_streams_uni; + ngx_uint_t active_connection_id_limit; + ngx_int_t stream_close_code; + ngx_int_t stream_reject_code_uni; + ngx_int_t stream_reject_code_bidi; + + u_char av_token_key[NGX_QUIC_AV_KEY_LEN]; + u_char sr_token_key[NGX_QUIC_SR_KEY_LEN]; +} ngx_quic_conf_t; + + +struct ngx_quic_stream_s { + ngx_rbtree_node_t node; + ngx_queue_t queue; + ngx_connection_t *parent; + ngx_connection_t *connection; + uint64_t id; + uint64_t acked; + uint64_t send_max_data; + uint64_t recv_max_data; + uint64_t recv_offset; + uint64_t recv_window; + uint64_t recv_last; + uint64_t recv_size; + uint64_t final_size; + ngx_chain_t *in; + ngx_chain_t *out; + ngx_uint_t cancelable; /* unsigned cancelable:1; */ + ngx_quic_stream_send_state_e send_state; + ngx_quic_stream_recv_state_e recv_state; +}; + + +void ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf); +ngx_connection_t *ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi); +void ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err, + const char *reason); +void ngx_quic_shutdown_connection(ngx_connection_t *c, ngx_uint_t err, + const char *reason); +ngx_int_t ngx_quic_reset_stream(ngx_connection_t *c, ngx_uint_t err); +ngx_int_t ngx_quic_shutdown_stream(ngx_connection_t *c, int how); +ngx_int_t ngx_quic_handle_read_event(ngx_event_t *rev, ngx_uint_t flags); +ngx_int_t ngx_quic_handle_write_event(ngx_event_t *wev, size_t lowat); +ngx_int_t ngx_quic_get_packet_dcid(ngx_log_t *log, u_char *data, size_t len, + ngx_str_t *dcid); +ngx_int_t ngx_quic_derive_key(ngx_log_t *log, const char *label, + ngx_str_t *secret, ngx_str_t *salt, u_char *out, size_t len); + +#endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */ |