mirror of https://github.com/F-Stack/f-stack.git
155 lines
4.6 KiB
C
155 lines
4.6 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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* Copyright (C) Nginx, Inc.
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*/
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#ifndef _NGX_STREAM_UPSTREAM_H_INCLUDED_
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#define _NGX_STREAM_UPSTREAM_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_stream.h>
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#include <ngx_event_connect.h>
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#define NGX_STREAM_UPSTREAM_CREATE 0x0001
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#define NGX_STREAM_UPSTREAM_WEIGHT 0x0002
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#define NGX_STREAM_UPSTREAM_MAX_FAILS 0x0004
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#define NGX_STREAM_UPSTREAM_FAIL_TIMEOUT 0x0008
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#define NGX_STREAM_UPSTREAM_DOWN 0x0010
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#define NGX_STREAM_UPSTREAM_BACKUP 0x0020
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#define NGX_STREAM_UPSTREAM_MAX_CONNS 0x0100
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#define NGX_STREAM_UPSTREAM_NOTIFY_CONNECT 0x1
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typedef struct {
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ngx_array_t upstreams;
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/* ngx_stream_upstream_srv_conf_t */
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} ngx_stream_upstream_main_conf_t;
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typedef struct ngx_stream_upstream_srv_conf_s ngx_stream_upstream_srv_conf_t;
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typedef ngx_int_t (*ngx_stream_upstream_init_pt)(ngx_conf_t *cf,
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ngx_stream_upstream_srv_conf_t *us);
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typedef ngx_int_t (*ngx_stream_upstream_init_peer_pt)(ngx_stream_session_t *s,
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ngx_stream_upstream_srv_conf_t *us);
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typedef struct {
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ngx_stream_upstream_init_pt init_upstream;
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ngx_stream_upstream_init_peer_pt init;
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void *data;
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} ngx_stream_upstream_peer_t;
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typedef struct {
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ngx_str_t name;
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ngx_addr_t *addrs;
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ngx_uint_t naddrs;
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ngx_uint_t weight;
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ngx_uint_t max_conns;
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ngx_uint_t max_fails;
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time_t fail_timeout;
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ngx_msec_t slow_start;
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unsigned down:1;
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unsigned backup:1;
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NGX_COMPAT_BEGIN(4)
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NGX_COMPAT_END
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} ngx_stream_upstream_server_t;
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struct ngx_stream_upstream_srv_conf_s {
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ngx_stream_upstream_peer_t peer;
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void **srv_conf;
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ngx_array_t *servers;
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/* ngx_stream_upstream_server_t */
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ngx_uint_t flags;
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ngx_str_t host;
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u_char *file_name;
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ngx_uint_t line;
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in_port_t port;
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ngx_uint_t no_port; /* unsigned no_port:1 */
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#if (NGX_STREAM_UPSTREAM_ZONE)
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ngx_shm_zone_t *shm_zone;
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#endif
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};
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typedef struct {
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ngx_msec_t response_time;
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ngx_msec_t connect_time;
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ngx_msec_t first_byte_time;
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off_t bytes_sent;
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off_t bytes_received;
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ngx_str_t *peer;
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} ngx_stream_upstream_state_t;
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typedef struct {
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ngx_str_t host;
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in_port_t port;
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ngx_uint_t no_port; /* unsigned no_port:1 */
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ngx_uint_t naddrs;
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ngx_resolver_addr_t *addrs;
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struct sockaddr *sockaddr;
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socklen_t socklen;
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ngx_str_t name;
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ngx_resolver_ctx_t *ctx;
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} ngx_stream_upstream_resolved_t;
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typedef struct {
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ngx_peer_connection_t peer;
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ngx_buf_t downstream_buf;
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ngx_buf_t upstream_buf;
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ngx_chain_t *free;
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ngx_chain_t *upstream_out;
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ngx_chain_t *upstream_busy;
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ngx_chain_t *downstream_out;
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ngx_chain_t *downstream_busy;
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off_t received;
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time_t start_sec;
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ngx_uint_t responses;
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ngx_str_t ssl_name;
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ngx_stream_upstream_srv_conf_t *upstream;
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ngx_stream_upstream_resolved_t *resolved;
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ngx_stream_upstream_state_t *state;
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unsigned connected:1;
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unsigned proxy_protocol:1;
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} ngx_stream_upstream_t;
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ngx_stream_upstream_srv_conf_t *ngx_stream_upstream_add(ngx_conf_t *cf,
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ngx_url_t *u, ngx_uint_t flags);
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#define ngx_stream_conf_upstream_srv_conf(uscf, module) \
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uscf->srv_conf[module.ctx_index]
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extern ngx_module_t ngx_stream_upstream_module;
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#endif /* _NGX_STREAM_UPSTREAM_H_INCLUDED_ */
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