HTTP: stored matched action in nxt_http_request_t.

No functional changes.

src/nxt_http.h

@@ -173,6 +173,7 @@ struct nxt_http_request_s {
     nxt_tstr_query_t                *tstr_query;
     nxt_tstr_cache_t                tstr_cache;
 
+    nxt_http_action_t               *action;
     void                            *req_rpc_data;
 
 #if (NXT_HAVE_REGEX)
@@ -382,8 +383,7 @@ nxt_int_t nxt_upstreams_joint_create(nxt_router_temp_conf_t *tmcf,
 
 nxt_int_t nxt_http_rewrite_init(nxt_router_conf_t *rtcf,
     nxt_http_action_t *action, nxt_http_action_conf_t *acf);
-nxt_int_t nxt_http_rewrite(nxt_task_t *task, nxt_http_request_t *r,
+nxt_int_t nxt_http_rewrite(nxt_task_t *task, nxt_http_request_t *r);
-    nxt_http_action_t *action);
 
 nxt_int_t nxt_http_return_init(nxt_router_conf_t *rtcf,
     nxt_http_action_t *action, nxt_http_action_conf_t *acf);

src/nxt_http_request.c

@@ -560,12 +560,10 @@ nxt_http_request_action(nxt_task_t *task, nxt_http_request_t *r,
     if (nxt_fast_path(action != NULL)) {
 
         do {
-            if (action->rewrite != NULL) {
+            ret = nxt_http_rewrite(task, r);
-                ret = nxt_http_rewrite(task, r, action);
             if (nxt_slow_path(ret != NXT_OK)) {
                 break;
             }
-            }
 
             action = action->handler(task, r, action);
 

src/nxt_http_rewrite.c

@@ -26,15 +26,21 @@ nxt_http_rewrite_init(nxt_router_conf_t *rtcf, nxt_http_action_t *action,
 
 
 nxt_int_t
-nxt_http_rewrite(nxt_task_t *task, nxt_http_request_t *r,
+nxt_http_rewrite(nxt_task_t *task, nxt_http_request_t *r)
-    nxt_http_action_t *action)
 {
     u_char                    *p;
     nxt_int_t                 ret;
     nxt_str_t                 str, encoded_path, target;
     nxt_router_conf_t         *rtcf;
+    nxt_http_action_t         *action;
     nxt_http_request_parse_t  rp;
 
+    action = r->action;
+
+    if (action == NULL || action->rewrite == NULL) {
+        return NXT_OK;
+    }
+
     if (nxt_tstr_is_const(action->rewrite)) {
         nxt_tstr_str(action->rewrite, &str);
 

src/nxt_http_route.c

@@ -1573,6 +1573,11 @@ nxt_http_route_handler(nxt_task_t *task, nxt_http_request_t *r,
         }
 
         if (action != NULL) {
+
+            if (action != NXT_HTTP_ACTION_ERROR) {
+                r->action = action;
+            }
+
             return action;
         }
     }

src/nxt_http_static.c

@@ -696,6 +696,8 @@ nxt_http_static_next(nxt_task_t *task, nxt_http_request_t *r,
         if (nxt_slow_path(r->log_route)) {
             nxt_log(task, NXT_LOG_NOTICE, "\"fallback\" taken");
         }
+
+        r->action = action->fallback;
         nxt_http_request_action(task, r, action->fallback);
         return;
     }