一、源码分析 #

 1// ngx_http.h
 2typedef struct ngx_http_request_s     ngx_http_request_t;
 3// ngx_http_request.h
 4struct ngx_http_request_s {
 5    ...
 6    ngx_connection_t                 *connection;
 7    ...
 8    ngx_http_upstream_t              *upstream;
 9    ...
10    ngx_pool_t                       *pool;
11    ...
12    ngx_http_connection_t            *http_connection;
13    ...
14};

 1// ngx_http_request.c
 2static void
 3ngx_http_wait_request_handler(ngx_event_t *rev)
 4{
 5    ...
 6    c->log->action = "reading client request line";
 7
 8    ngx_reusable_connection(c, 0);
 9
10    c->data = ngx_http_create_request(c);
11    ...
12}