Mercurial > hg > nginx
diff src/event/quic/ngx_event_quic_migration.h @ 8763:4117aa7fa38e quic
QUIC: connection migration.
The patch adds proper transitions between multiple networking addresses that
can be used by a single quic connection. New networking paths are validated
using PATH_CHALLENGE/PATH_RESPONSE frames.
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Thu, 29 Apr 2021 15:35:02 +0300 |
parents | c8bda5e1e662 |
children | 5186ee5a94b9 |
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--- a/src/event/quic/ngx_event_quic_migration.h +++ b/src/event/quic/ngx_event_quic_migration.h @@ -11,10 +11,34 @@ #include <ngx_config.h> #include <ngx_core.h> +#define NGX_QUIC_PATH_RETRIES 3 + +#define NGX_QUIC_PATH_NEW 0 +#define NGX_QUIC_PATH_VALIDATING 1 +#define NGX_QUIC_PATH_VALIDATED 2 + +#define NGX_QUIC_PATH_VALID_TIME 600 /* seconds */ + + +#define ngx_quic_path_state_str(p) \ + ((p)->state == NGX_QUIC_PATH_NEW) ? "new" : \ + (((p)->state == NGX_QUIC_PATH_VALIDATED) ? "validated" : "validating") + ngx_int_t ngx_quic_handle_path_challenge_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, ngx_quic_path_challenge_frame_t *f); ngx_int_t ngx_quic_handle_path_response_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, ngx_quic_path_challenge_frame_t *f); +ngx_quic_path_t *ngx_quic_add_path(ngx_connection_t *c, + struct sockaddr *sockaddr, socklen_t socklen); + +ngx_int_t ngx_quic_check_migration(ngx_connection_t *c, + ngx_quic_header_t *pkt); +ngx_int_t ngx_quic_update_paths(ngx_connection_t *c, ngx_quic_header_t *pkt); +ngx_int_t ngx_quic_handle_migration(ngx_connection_t *c, + ngx_quic_header_t *pkt); + +void ngx_quic_path_validation_handler(ngx_event_t *ev); + #endif /* _NGX_EVENT_QUIC_MIGRATION_H_INCLUDED_ */