Mercurial > hg > nginx-quic
view src/http/ngx_http_upstream.h @ 1136:68f30ab68bb7
Many changes:
*) rename imap to mail, sort pop3/imap functions
*) smtp auth support
*) pop3 starttls only
*) fix segfault if cram-md5 was used without apop
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 19 Mar 2007 13:36:56 +0000 |
parents | a0310ac2814f |
children | f59d15404269 |
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/* * Copyright (C) Igor Sysoev */ #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_503 0x00000020 #define NGX_HTTP_UPSTREAM_FT_HTTP_404 0x00000040 #define NGX_HTTP_UPSTREAM_FT_BUSY_LOCK 0x00000080 #define NGX_HTTP_UPSTREAM_FT_MAX_WAITING 0x00000100 #define NGX_HTTP_UPSTREAM_FT_OFF 0x80000000 #define NGX_HTTP_UPSTREAM_INVALID_HEADER 40 typedef struct { ngx_msec_t bl_time; ngx_uint_t bl_state; ngx_uint_t status; time_t response_sec; ngx_uint_t response_msec; 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_peer_addr_t *addrs; ngx_uint_t naddrs; ngx_uint_t weight; ngx_uint_t max_fails; time_t fail_timeout; unsigned down:1; unsigned backup:1; } 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 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; ngx_str_t file_name; ngx_uint_t line; in_port_t port; in_port_t default_port; }; 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 timeout; size_t send_lowat; size_t buffer_size; 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_uint_t next_upstream; ngx_bufs_t bufs; ngx_flag_t 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_path_t *temp_path; ngx_hash_t hide_headers_hash; ngx_array_t *hide_headers; ngx_array_t *pass_headers; ngx_str_t schema; ngx_str_t uri; ngx_str_t location; ngx_str_t url; /* used in proxy_rewrite_location */ unsigned intercept_404:1; unsigned change_buffering:1; #if (NGX_HTTP_SSL) ngx_ssl_t *ssl; #endif } 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; #if (NGX_HTTP_GZIP) ngx_table_elt_t *content_encoding; #endif ngx_array_t cache_control; } ngx_http_upstream_headers_in_t; struct ngx_http_upstream_s { 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_headers_in_t headers_in; ngx_buf_t buffer; size_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; 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_msec_t timeout; ngx_str_t method; ngx_http_upstream_state_t *state; ngx_array_t states; /* of ngx_http_upstream_state_t */ ngx_str_t uri; ngx_http_cleanup_pt *cleanup; unsigned cachable:1; unsigned accel:1; unsigned buffering:1; unsigned request_sent:1; unsigned header_sent:1; }; 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); #define ngx_http_conf_upstream_srv_conf(uscf, module) \ uscf->srv_conf[module.ctx_index] extern ngx_module_t ngx_http_upstream_module; #endif /* _NGX_HTTP_UPSTREAM_H_INCLUDED_ */