diff options
Diffstat (limited to 'app/nginx/src/http/ngx_http_upstream.h')
-rw-r--r-- | app/nginx/src/http/ngx_http_upstream.h | 430 |
1 files changed, 0 insertions, 430 deletions
diff --git a/app/nginx/src/http/ngx_http_upstream.h b/app/nginx/src/http/ngx_http_upstream.h deleted file mode 100644 index c552ac0..0000000 --- a/app/nginx/src/http/ngx_http_upstream.h +++ /dev/null @@ -1,430 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_HTTP_UPSTREAM_H_INCLUDED_ -#define _NGX_HTTP_UPSTREAM_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> -#include <ngx_event_connect.h> -#include <ngx_event_pipe.h> -#include <ngx_http.h> - - -#define NGX_HTTP_UPSTREAM_FT_ERROR 0x00000002 -#define NGX_HTTP_UPSTREAM_FT_TIMEOUT 0x00000004 -#define NGX_HTTP_UPSTREAM_FT_INVALID_HEADER 0x00000008 -#define NGX_HTTP_UPSTREAM_FT_HTTP_500 0x00000010 -#define NGX_HTTP_UPSTREAM_FT_HTTP_502 0x00000020 -#define NGX_HTTP_UPSTREAM_FT_HTTP_503 0x00000040 -#define NGX_HTTP_UPSTREAM_FT_HTTP_504 0x00000080 -#define NGX_HTTP_UPSTREAM_FT_HTTP_403 0x00000100 -#define NGX_HTTP_UPSTREAM_FT_HTTP_404 0x00000200 -#define NGX_HTTP_UPSTREAM_FT_HTTP_429 0x00000400 -#define NGX_HTTP_UPSTREAM_FT_UPDATING 0x00000800 -#define NGX_HTTP_UPSTREAM_FT_BUSY_LOCK 0x00001000 -#define NGX_HTTP_UPSTREAM_FT_MAX_WAITING 0x00002000 -#define NGX_HTTP_UPSTREAM_FT_NON_IDEMPOTENT 0x00004000 -#define NGX_HTTP_UPSTREAM_FT_NOLIVE 0x40000000 -#define NGX_HTTP_UPSTREAM_FT_OFF 0x80000000 - -#define NGX_HTTP_UPSTREAM_FT_STATUS (NGX_HTTP_UPSTREAM_FT_HTTP_500 \ - |NGX_HTTP_UPSTREAM_FT_HTTP_502 \ - |NGX_HTTP_UPSTREAM_FT_HTTP_503 \ - |NGX_HTTP_UPSTREAM_FT_HTTP_504 \ - |NGX_HTTP_UPSTREAM_FT_HTTP_403 \ - |NGX_HTTP_UPSTREAM_FT_HTTP_404 \ - |NGX_HTTP_UPSTREAM_FT_HTTP_429) - -#define NGX_HTTP_UPSTREAM_INVALID_HEADER 40 - - -#define NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT 0x00000002 -#define NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES 0x00000004 -#define NGX_HTTP_UPSTREAM_IGN_EXPIRES 0x00000008 -#define NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL 0x00000010 -#define NGX_HTTP_UPSTREAM_IGN_SET_COOKIE 0x00000020 -#define NGX_HTTP_UPSTREAM_IGN_XA_LIMIT_RATE 0x00000040 -#define NGX_HTTP_UPSTREAM_IGN_XA_BUFFERING 0x00000080 -#define NGX_HTTP_UPSTREAM_IGN_XA_CHARSET 0x00000100 -#define NGX_HTTP_UPSTREAM_IGN_VARY 0x00000200 - - -typedef struct { - ngx_uint_t status; - ngx_msec_t response_time; - ngx_msec_t connect_time; - ngx_msec_t header_time; - off_t response_length; - off_t bytes_received; - - ngx_str_t *peer; -} ngx_http_upstream_state_t; - - -typedef struct { - ngx_hash_t headers_in_hash; - ngx_array_t upstreams; - /* ngx_http_upstream_srv_conf_t */ -} ngx_http_upstream_main_conf_t; - -typedef struct ngx_http_upstream_srv_conf_s ngx_http_upstream_srv_conf_t; - -typedef ngx_int_t (*ngx_http_upstream_init_pt)(ngx_conf_t *cf, - ngx_http_upstream_srv_conf_t *us); -typedef ngx_int_t (*ngx_http_upstream_init_peer_pt)(ngx_http_request_t *r, - ngx_http_upstream_srv_conf_t *us); - - -typedef struct { - ngx_http_upstream_init_pt init_upstream; - ngx_http_upstream_init_peer_pt init; - void *data; -} ngx_http_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; - - unsigned down:1; - unsigned backup:1; - - NGX_COMPAT_BEGIN(6) - NGX_COMPAT_END -} ngx_http_upstream_server_t; - - -#define NGX_HTTP_UPSTREAM_CREATE 0x0001 -#define NGX_HTTP_UPSTREAM_WEIGHT 0x0002 -#define NGX_HTTP_UPSTREAM_MAX_FAILS 0x0004 -#define NGX_HTTP_UPSTREAM_FAIL_TIMEOUT 0x0008 -#define NGX_HTTP_UPSTREAM_DOWN 0x0010 -#define NGX_HTTP_UPSTREAM_BACKUP 0x0020 -#define NGX_HTTP_UPSTREAM_MAX_CONNS 0x0100 - - -struct ngx_http_upstream_srv_conf_s { - ngx_http_upstream_peer_t peer; - void **srv_conf; - - ngx_array_t *servers; /* ngx_http_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_HTTP_UPSTREAM_ZONE) - ngx_shm_zone_t *shm_zone; -#endif -}; - - -typedef struct { - ngx_addr_t *addr; - ngx_http_complex_value_t *value; -#if (NGX_HAVE_TRANSPARENT_PROXY) - ngx_uint_t transparent; /* unsigned transparent:1; */ -#endif -} ngx_http_upstream_local_t; - - -typedef struct { - ngx_http_upstream_srv_conf_t *upstream; - - ngx_msec_t connect_timeout; - ngx_msec_t send_timeout; - ngx_msec_t read_timeout; - ngx_msec_t next_upstream_timeout; - - size_t send_lowat; - size_t buffer_size; - size_t limit_rate; - - size_t busy_buffers_size; - size_t max_temp_file_size; - size_t temp_file_write_size; - - size_t busy_buffers_size_conf; - size_t max_temp_file_size_conf; - size_t temp_file_write_size_conf; - - ngx_bufs_t bufs; - - ngx_uint_t ignore_headers; - ngx_uint_t next_upstream; - ngx_uint_t store_access; - ngx_uint_t next_upstream_tries; - ngx_flag_t buffering; - ngx_flag_t request_buffering; - ngx_flag_t pass_request_headers; - ngx_flag_t pass_request_body; - - ngx_flag_t ignore_client_abort; - ngx_flag_t intercept_errors; - ngx_flag_t cyclic_temp_file; - ngx_flag_t force_ranges; - - ngx_path_t *temp_path; - - ngx_hash_t hide_headers_hash; - ngx_array_t *hide_headers; - ngx_array_t *pass_headers; - - ngx_http_upstream_local_t *local; - -#if (NGX_HTTP_CACHE) - ngx_shm_zone_t *cache_zone; - ngx_http_complex_value_t *cache_value; - - ngx_uint_t cache_min_uses; - ngx_uint_t cache_use_stale; - ngx_uint_t cache_methods; - - off_t cache_max_range_offset; - - ngx_flag_t cache_lock; - ngx_msec_t cache_lock_timeout; - ngx_msec_t cache_lock_age; - - ngx_flag_t cache_revalidate; - ngx_flag_t cache_convert_head; - ngx_flag_t cache_background_update; - - ngx_array_t *cache_valid; - ngx_array_t *cache_bypass; - ngx_array_t *cache_purge; - ngx_array_t *no_cache; -#endif - - ngx_array_t *store_lengths; - ngx_array_t *store_values; - -#if (NGX_HTTP_CACHE) - signed cache:2; -#endif - signed store:2; - unsigned intercept_404:1; - unsigned change_buffering:1; - -#if (NGX_HTTP_SSL || NGX_COMPAT) - ngx_ssl_t *ssl; - ngx_flag_t ssl_session_reuse; - - ngx_http_complex_value_t *ssl_name; - ngx_flag_t ssl_server_name; - ngx_flag_t ssl_verify; -#endif - - ngx_str_t module; - - NGX_COMPAT_BEGIN(2) - NGX_COMPAT_END -} ngx_http_upstream_conf_t; - - -typedef struct { - ngx_str_t name; - ngx_http_header_handler_pt handler; - ngx_uint_t offset; - ngx_http_header_handler_pt copy_handler; - ngx_uint_t conf; - ngx_uint_t redirect; /* unsigned redirect:1; */ -} ngx_http_upstream_header_t; - - -typedef struct { - ngx_list_t headers; - - ngx_uint_t status_n; - ngx_str_t status_line; - - ngx_table_elt_t *status; - ngx_table_elt_t *date; - ngx_table_elt_t *server; - ngx_table_elt_t *connection; - - ngx_table_elt_t *expires; - ngx_table_elt_t *etag; - ngx_table_elt_t *x_accel_expires; - ngx_table_elt_t *x_accel_redirect; - ngx_table_elt_t *x_accel_limit_rate; - - ngx_table_elt_t *content_type; - ngx_table_elt_t *content_length; - - ngx_table_elt_t *last_modified; - ngx_table_elt_t *location; - ngx_table_elt_t *accept_ranges; - ngx_table_elt_t *www_authenticate; - ngx_table_elt_t *transfer_encoding; - ngx_table_elt_t *vary; - -#if (NGX_HTTP_GZIP) - ngx_table_elt_t *content_encoding; -#endif - - ngx_array_t cache_control; - ngx_array_t cookies; - - off_t content_length_n; - time_t last_modified_time; - - unsigned connection_close:1; - unsigned chunked:1; -} ngx_http_upstream_headers_in_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_http_upstream_resolved_t; - - -typedef void (*ngx_http_upstream_handler_pt)(ngx_http_request_t *r, - ngx_http_upstream_t *u); - - -struct ngx_http_upstream_s { - ngx_http_upstream_handler_pt read_event_handler; - ngx_http_upstream_handler_pt write_event_handler; - - ngx_peer_connection_t peer; - - ngx_event_pipe_t *pipe; - - ngx_chain_t *request_bufs; - - ngx_output_chain_ctx_t output; - ngx_chain_writer_ctx_t writer; - - ngx_http_upstream_conf_t *conf; - ngx_http_upstream_srv_conf_t *upstream; -#if (NGX_HTTP_CACHE) - ngx_array_t *caches; -#endif - - ngx_http_upstream_headers_in_t headers_in; - - ngx_http_upstream_resolved_t *resolved; - - ngx_buf_t from_client; - - ngx_buf_t buffer; - off_t length; - - ngx_chain_t *out_bufs; - ngx_chain_t *busy_bufs; - ngx_chain_t *free_bufs; - - ngx_int_t (*input_filter_init)(void *data); - ngx_int_t (*input_filter)(void *data, ssize_t bytes); - void *input_filter_ctx; - -#if (NGX_HTTP_CACHE) - ngx_int_t (*create_key)(ngx_http_request_t *r); -#endif - ngx_int_t (*create_request)(ngx_http_request_t *r); - ngx_int_t (*reinit_request)(ngx_http_request_t *r); - ngx_int_t (*process_header)(ngx_http_request_t *r); - void (*abort_request)(ngx_http_request_t *r); - void (*finalize_request)(ngx_http_request_t *r, - ngx_int_t rc); - ngx_int_t (*rewrite_redirect)(ngx_http_request_t *r, - ngx_table_elt_t *h, size_t prefix); - ngx_int_t (*rewrite_cookie)(ngx_http_request_t *r, - ngx_table_elt_t *h); - - ngx_msec_t timeout; - - ngx_http_upstream_state_t *state; - - ngx_str_t method; - ngx_str_t schema; - ngx_str_t uri; - -#if (NGX_HTTP_SSL || NGX_COMPAT) - ngx_str_t ssl_name; -#endif - - ngx_http_cleanup_pt *cleanup; - - unsigned store:1; - unsigned cacheable:1; - unsigned accel:1; - unsigned ssl:1; -#if (NGX_HTTP_CACHE) - unsigned cache_status:3; -#endif - - unsigned buffering:1; - unsigned keepalive:1; - unsigned upgrade:1; - - unsigned request_sent:1; - unsigned request_body_sent:1; - unsigned header_sent:1; -}; - - -typedef struct { - ngx_uint_t status; - ngx_uint_t mask; -} ngx_http_upstream_next_t; - - -typedef struct { - ngx_str_t key; - ngx_str_t value; - ngx_uint_t skip_empty; -} ngx_http_upstream_param_t; - - -ngx_int_t ngx_http_upstream_create(ngx_http_request_t *r); -void ngx_http_upstream_init(ngx_http_request_t *r); -ngx_http_upstream_srv_conf_t *ngx_http_upstream_add(ngx_conf_t *cf, - ngx_url_t *u, ngx_uint_t flags); -char *ngx_http_upstream_bind_set_slot(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -char *ngx_http_upstream_param_set_slot(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -ngx_int_t ngx_http_upstream_hide_headers_hash(ngx_conf_t *cf, - ngx_http_upstream_conf_t *conf, ngx_http_upstream_conf_t *prev, - ngx_str_t *default_hide_headers, ngx_hash_init_t *hash); - - -#define ngx_http_conf_upstream_srv_conf(uscf, module) \ - uscf->srv_conf[module.ctx_index] - - -extern ngx_module_t ngx_http_upstream_module; -extern ngx_conf_bitmask_t ngx_http_upstream_cache_method_mask[]; -extern ngx_conf_bitmask_t ngx_http_upstream_ignore_headers_masks[]; - - -#endif /* _NGX_HTTP_UPSTREAM_H_INCLUDED_ */ |