nginx 全局变量
2012-05-23 11:07
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经常需要配置Nginx ,其中有许多以 $ 开头的变量,经常需要查阅nginx 所支持的变量。
可能是对 Ngixn资源不熟悉,干脆就直接读源码,分析出支持的变量。
Nginx支持的http变量实现在 ngx_http_variables.c 的 ngx_http_core_variables存储实现:
ngx_http_core_variables
把这些变量提取下,总结如下:
可能是对 Ngixn资源不熟悉,干脆就直接读源码,分析出支持的变量。
Nginx支持的http变量实现在 ngx_http_variables.c 的 ngx_http_core_variables存储实现:
ngx_http_core_variables
static ngx_http_variable_t ngx_http_core_variables[] = { { ngx_string("http_host"), NULL, ngx_http_variable_header, offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, { ngx_string("http_referer"), NULL, ngx_http_variable_header, offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, #if (NGX_HTTP_GZIP) { ngx_string("http_via"), NULL, ngx_http_variable_header, offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, #endif #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP) { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header, offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, #endif { ngx_string("http_cookie"), NULL, ngx_http_variable_headers, offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, { ngx_string("content_length"), NULL, ngx_http_variable_header, offsetof(ngx_http_request_t, headers_in.content_length), 0, 0 }, { ngx_string("content_type"), NULL, ngx_http_variable_header, offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, { ngx_string("binary_remote_addr"), NULL, ngx_http_variable_binary_remote_addr, 0, 0, 0 }, { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, { ngx_string("server_protocol"), NULL, ngx_http_variable_request, offsetof(ngx_http_request_t, http_protocol), 0, 0 }, { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, { ngx_string("request_uri"), NULL, ngx_http_variable_request, offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, { ngx_string("uri"), NULL, ngx_http_variable_request, offsetof(ngx_http_request_t, uri), NGX_HTTP_VAR_NOCACHEABLE, 0 }, { ngx_string("document_uri"), NULL, ngx_http_variable_request, offsetof(ngx_http_request_t, uri), NGX_HTTP_VAR_NOCACHEABLE, 0 }, { ngx_string("request"), NULL, ngx_http_variable_request_line, 0, 0, 0 }, { ngx_string("document_root"), NULL, ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, { ngx_string("realpath_root"), NULL, ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, { ngx_string("query_string"), NULL, ngx_http_variable_request, offsetof(ngx_http_request_t, args), NGX_HTTP_VAR_NOCACHEABLE, 0 }, { ngx_string("args"), ngx_http_variable_request_set, ngx_http_variable_request, offsetof(ngx_http_request_t, args), NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, { ngx_string("is_args"), NULL, ngx_http_variable_is_args, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, { ngx_string("request_filename"), NULL, ngx_http_variable_request_filename, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, { ngx_string("request_method"), NULL, ngx_http_variable_request_method, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, 0, 0, 0 }, { ngx_string("request_completion"), NULL, ngx_http_variable_request_completion, 0, 0, 0 }, { ngx_string("request_body"), NULL, ngx_http_variable_request_body, 0, 0, 0 }, { ngx_string("request_body_file"), NULL, ngx_http_variable_request_body_file, 0, 0, 0 }, { ngx_string("sent_http_content_type"), NULL, ngx_http_variable_sent_content_type, 0, 0, 0 }, { ngx_string("sent_http_content_length"), NULL, ngx_http_variable_sent_content_length, 0, 0, 0 }, { ngx_string("sent_http_location"), NULL, ngx_http_variable_sent_location, 0, 0, 0 }, { ngx_string("sent_http_last_modified"), NULL, ngx_http_variable_sent_last_modified, 0, 0, 0 }, { ngx_string("sent_http_connection"), NULL, ngx_http_variable_sent_connection, 0, 0, 0 }, { ngx_string("sent_http_keep_alive"), NULL, ngx_http_variable_sent_keep_alive, 0, 0, 0 }, { ngx_string("sent_http_transfer_encoding"), NULL, ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, { ngx_string("limit_rate"), ngx_http_variable_request_set_size, ngx_http_variable_request_get_size, offsetof(ngx_http_request_t, limit_rate), NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, 0, 0, 0 }, { ngx_string("hostname"), NULL, ngx_http_variable_hostname, 0, 0, 0 }, { ngx_string("pid"), NULL, ngx_http_variable_pid, 0, 0, 0 }, { ngx_null_string, NULL, NULL, 0, 0, 0 } };
把这些变量提取下,总结如下:
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