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view src/event/quic/ngx_event_quic_connid.h @ 8811:bb5152ed045b quic

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QUIC: added support for segmentation offloading. To improve output performance, UDP segmentation offloading is used if available. If there is a significant amount of data in an output queue and path is verified, QUIC packets are not sent one-by-one, but instead are collected in a buffer, which is then passed to kernel in a single sendmsg call, using UDP GSO. Such method greatly decreases number of system calls and thus system load.
author Vladimir Homutov <vl@nginx.com>
date Thu, 15 Jul 2021 14:22:00 +0300
parents 5186ee5a94b9
children 1e2f4e9c8195
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/*
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_EVENT_QUIC_CONNID_H_INCLUDED_
#define _NGX_EVENT_QUIC_CONNID_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>


ngx_int_t ngx_quic_handle_retire_connection_id_frame(ngx_connection_t *c,
    ngx_quic_retire_cid_frame_t *f);
ngx_int_t ngx_quic_handle_new_connection_id_frame(ngx_connection_t *c,
    ngx_quic_new_conn_id_frame_t *f);

ngx_int_t ngx_quic_create_sockets(ngx_connection_t *c);
ngx_int_t ngx_quic_create_server_id(ngx_connection_t *c, u_char *id);

ngx_quic_client_id_t *ngx_quic_create_client_id(ngx_connection_t *c,
    ngx_str_t *id, uint64_t seqnum, u_char *token);
ngx_quic_client_id_t *ngx_quic_next_client_id(ngx_connection_t *c);
ngx_quic_client_id_t *ngx_quic_used_client_id(ngx_connection_t *c,
    ngx_quic_path_t *path);
void ngx_quic_unref_client_id(ngx_connection_t *c, ngx_quic_client_id_t *cid);

#endif /* _NGX_EVENT_QUIC_CONNID_H_INCLUDED_ */