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/*
* Copyright (C) Roman Arutyunyan
* Copyright (C) Nginx, Inc.
*/
#ifndef _NGX_STREAM_H_INCLUDED_
#define _NGX_STREAM_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
#if (NGX_STREAM_SSL)
#include <ngx_stream_ssl_module.h>
#endif
typedef struct ngx_stream_session_s ngx_stream_session_t;
#include <ngx_stream_upstream.h>
#include <ngx_stream_upstream_round_robin.h>
typedef struct {
void **main_conf;
void **srv_conf;
} ngx_stream_conf_ctx_t;
typedef struct {
u_char sockaddr[NGX_SOCKADDRLEN];
socklen_t socklen;
/* server ctx */
ngx_stream_conf_ctx_t *ctx;
unsigned bind:1;
unsigned wildcard:1;
#if (NGX_STREAM_SSL)
unsigned ssl:1;
#endif
#if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
unsigned ipv6only:1;
#endif
#if (NGX_HAVE_REUSEPORT)
unsigned reuseport:1;
#endif
unsigned so_keepalive:2;
#if (NGX_HAVE_KEEPALIVE_TUNABLE)
int tcp_keepidle;
int tcp_keepintvl;
int tcp_keepcnt;
#endif
} ngx_stream_listen_t;
typedef struct {
ngx_stream_conf_ctx_t *ctx;
ngx_str_t addr_text;
#if (NGX_STREAM_SSL)
ngx_uint_t ssl; /* unsigned ssl:1; */
#endif
} ngx_stream_addr_conf_t;
typedef struct {
in_addr_t addr;
ngx_stream_addr_conf_t conf;
} ngx_stream_in_addr_t;
#if (NGX_HAVE_INET6)
typedef struct {
struct in6_addr addr6;
ngx_stream_addr_conf_t conf;
} ngx_stream_in6_addr_t;
#endif
typedef struct {
/* ngx_stream_in_addr_t or ngx_stream_in6_addr_t */
void *addrs;
ngx_uint_t naddrs;
} ngx_stream_port_t;
typedef struct {
int family;
in_port_t port;
ngx_array_t addrs; /* array of ngx_stream_conf_addr_t */
} ngx_stream_conf_port_t;
typedef struct {
struct sockaddr *sockaddr;
socklen_t socklen;
ngx_stream_conf_ctx_t *ctx;
unsigned bind:1;
unsigned wildcard:1;
#if (NGX_STREAM_SSL)
unsigned ssl:1;
#endif
#if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
unsigned ipv6only:1;
#endif
unsigned so_keepalive:2;
#if (NGX_HAVE_KEEPALIVE_TUNABLE)
int tcp_keepidle;
int tcp_keepintvl;
int tcp_keepcnt;
#endif
} ngx_stream_conf_addr_t;
typedef struct {
ngx_array_t servers; /* ngx_stream_core_srv_conf_t */
ngx_array_t listen; /* ngx_stream_listen_t */
} ngx_stream_core_main_conf_t;
typedef void (*ngx_stream_handler_pt)(ngx_stream_session_t *s);
typedef struct {
ngx_stream_handler_pt handler;
ngx_stream_conf_ctx_t *ctx;
u_char *file_name;
ngx_int_t line;
ngx_log_t *error_log;
} ngx_stream_core_srv_conf_t;
struct ngx_stream_session_s {
uint32_t signature; /* "STRM" */
ngx_connection_t *connection;
off_t received;
ngx_log_handler_pt log_handler;
void **ctx;
void **main_conf;
void **srv_conf;
ngx_stream_upstream_t *upstream;
};
typedef struct {
void *(*create_main_conf)(ngx_conf_t *cf);
char *(*init_main_conf)(ngx_conf_t *cf, void *conf);
void *(*create_srv_conf)(ngx_conf_t *cf);
char *(*merge_srv_conf)(ngx_conf_t *cf, void *prev,
void *conf);
} ngx_stream_module_t;
#define NGX_STREAM_MODULE 0x4d525453 /* "STRM" */
#define NGX_STREAM_MAIN_CONF 0x02000000
#define NGX_STREAM_SRV_CONF 0x04000000
#define NGX_STREAM_UPS_CONF 0x08000000
#define NGX_STREAM_MAIN_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, main_conf)
#define NGX_STREAM_SRV_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, srv_conf)
#define ngx_stream_get_module_ctx(s, module) (s)->ctx[module.ctx_index]
#define ngx_stream_set_ctx(s, c, module) s->ctx[module.ctx_index] = c;
#define ngx_stream_delete_ctx(s, module) s->ctx[module.ctx_index] = NULL;
#define ngx_stream_get_module_main_conf(s, module) \
(s)->main_conf[module.ctx_index]
#define ngx_stream_get_module_srv_conf(s, module) \
(s)->srv_conf[module.ctx_index]
#define ngx_stream_conf_get_module_main_conf(cf, module) \
((ngx_stream_conf_ctx_t *) cf->ctx)->main_conf[module.ctx_index]
#define ngx_stream_conf_get_module_srv_conf(cf, module) \
((ngx_stream_conf_ctx_t *) cf->ctx)->srv_conf[module.ctx_index]
#define ngx_stream_cycle_get_module_main_conf(cycle, module) \
(cycle->conf_ctx[ngx_stream_module.index] ? \
((ngx_stream_conf_ctx_t *) cycle->conf_ctx[ngx_stream_module.index]) \
->main_conf[module.ctx_index]: \
NULL)
void ngx_stream_init_connection(ngx_connection_t *c);
void ngx_stream_close_connection(ngx_connection_t *c);
extern ngx_module_t ngx_stream_module;
extern ngx_uint_t ngx_stream_max_module;
extern ngx_module_t ngx_stream_core_module;
#endif /* _NGX_STREAM_H_INCLUDED_ */
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