Mercurial > hg > nginx
view src/stream/ngx_stream_upstream.h @ 7941:65946a191197
SSL: SSL_sendfile() support with kernel TLS.
Requires OpenSSL 3.0 compiled with "enable-ktls" option. Further, KTLS
needs to be enabled in kernel, and in OpenSSL, either via OpenSSL
configuration file or with "ssl_conf_command Options KTLS;" in nginx
configuration.
On FreeBSD, kernel TLS is available starting with FreeBSD 13.0, and
can be enabled with "sysctl kern.ipc.tls.enable=1" and "kldload ktls_ocf"
to load a software backend, see man ktls(4) for details.
On Linux, kernel TLS is available starting with kernel 4.13 (at least 5.2
is recommended), and needs kernel compiled with CONFIG_TLS=y (with
CONFIG_TLS=m, which is used at least on Ubuntu 21.04 by default,
the tls module needs to be loaded with "modprobe tls").
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Thu, 21 Oct 2021 18:44:07 +0300 |
parents | bfad703459b4 |
children |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #ifndef _NGX_STREAM_UPSTREAM_H_INCLUDED_ #define _NGX_STREAM_UPSTREAM_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_stream.h> #include <ngx_event_connect.h> #define NGX_STREAM_UPSTREAM_CREATE 0x0001 #define NGX_STREAM_UPSTREAM_WEIGHT 0x0002 #define NGX_STREAM_UPSTREAM_MAX_FAILS 0x0004 #define NGX_STREAM_UPSTREAM_FAIL_TIMEOUT 0x0008 #define NGX_STREAM_UPSTREAM_DOWN 0x0010 #define NGX_STREAM_UPSTREAM_BACKUP 0x0020 #define NGX_STREAM_UPSTREAM_MAX_CONNS 0x0100 #define NGX_STREAM_UPSTREAM_NOTIFY_CONNECT 0x1 typedef struct { ngx_array_t upstreams; /* ngx_stream_upstream_srv_conf_t */ } ngx_stream_upstream_main_conf_t; typedef struct ngx_stream_upstream_srv_conf_s ngx_stream_upstream_srv_conf_t; typedef ngx_int_t (*ngx_stream_upstream_init_pt)(ngx_conf_t *cf, ngx_stream_upstream_srv_conf_t *us); typedef ngx_int_t (*ngx_stream_upstream_init_peer_pt)(ngx_stream_session_t *s, ngx_stream_upstream_srv_conf_t *us); typedef struct { ngx_stream_upstream_init_pt init_upstream; ngx_stream_upstream_init_peer_pt init; void *data; } ngx_stream_upstream_peer_t; typedef struct { ngx_str_t name; ngx_addr_t *addrs; ngx_uint_t naddrs; ngx_uint_t weight; ngx_uint_t max_conns; ngx_uint_t max_fails; time_t fail_timeout; ngx_msec_t slow_start; ngx_uint_t down; unsigned backup:1; NGX_COMPAT_BEGIN(4) NGX_COMPAT_END } ngx_stream_upstream_server_t; struct ngx_stream_upstream_srv_conf_s { ngx_stream_upstream_peer_t peer; void **srv_conf; ngx_array_t *servers; /* ngx_stream_upstream_server_t */ ngx_uint_t flags; ngx_str_t host; u_char *file_name; ngx_uint_t line; in_port_t port; ngx_uint_t no_port; /* unsigned no_port:1 */ #if (NGX_STREAM_UPSTREAM_ZONE) ngx_shm_zone_t *shm_zone; #endif }; typedef struct { ngx_msec_t response_time; ngx_msec_t connect_time; ngx_msec_t first_byte_time; off_t bytes_sent; off_t bytes_received; ngx_str_t *peer; } ngx_stream_upstream_state_t; typedef struct { ngx_str_t host; in_port_t port; ngx_uint_t no_port; /* unsigned no_port:1 */ ngx_uint_t naddrs; ngx_resolver_addr_t *addrs; struct sockaddr *sockaddr; socklen_t socklen; ngx_str_t name; ngx_resolver_ctx_t *ctx; } ngx_stream_upstream_resolved_t; typedef struct { ngx_peer_connection_t peer; ngx_buf_t downstream_buf; ngx_buf_t upstream_buf; ngx_chain_t *free; ngx_chain_t *upstream_out; ngx_chain_t *upstream_busy; ngx_chain_t *downstream_out; ngx_chain_t *downstream_busy; off_t received; time_t start_sec; ngx_uint_t requests; ngx_uint_t responses; ngx_msec_t start_time; size_t upload_rate; size_t download_rate; ngx_str_t ssl_name; ngx_stream_upstream_srv_conf_t *upstream; ngx_stream_upstream_resolved_t *resolved; ngx_stream_upstream_state_t *state; unsigned connected:1; unsigned proxy_protocol:1; unsigned half_closed:1; } ngx_stream_upstream_t; ngx_stream_upstream_srv_conf_t *ngx_stream_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags); #define ngx_stream_conf_upstream_srv_conf(uscf, module) \ uscf->srv_conf[module.ctx_index] extern ngx_module_t ngx_stream_upstream_module; #endif /* _NGX_STREAM_UPSTREAM_H_INCLUDED_ */