nginx_request_conf_finding

Overview

each request is served by a virtual server, then based on uri, select the right location, hence each request has related main_conf, srv_conf, loc_conf that hold config, based on config select proper parameters to process the request.

request conf ctx

Data Structure

struct ngx_http_request_s {
    ngx_connection_t                 *connection;
    void                            **main_conf;
    void                            **srv_conf;
    void                            **loc_conf;
    ...
}

typedef struct {
    void        **main_conf;
    void        **srv_conf;
    void        **loc_conf;
} ngx_http_conf_ctx_t;

typedef struct {
    /* conf ctx like main/srv/loc conf, comes from default virtual server */
    ngx_http_conf_ctx_t              *conf_ctx;
} ngx_http_connection_t;

typedef struct {
    /* server ctx */
    ngx_http_conf_ctx_t        *ctx;
    ...
} ngx_http_core_srv_conf_t;