feature: added the "exptime" argument to the pure C function of the

shdict:incr() API.

Author: thibaultcha

src/ngx_http_lua_shdict.c

@@ -2623,11 +2623,12 @@ ngx_http_lua_ffi_shdict_get(ngx_shm_zone_t *zone, u_char *key,
 int
 ngx_http_lua_ffi_shdict_incr(ngx_shm_zone_t *zone, u_char *key,
     size_t key_len, double *value, char **err, int has_init, double init,
-    int *forcible)
+    int exptime, int *forcible)
 {
     int                          i, n;
     uint32_t                     hash;
     ngx_int_t                    rc;
+    ngx_time_t                  *tp = NULL;
     ngx_http_lua_shdict_ctx_t   *ctx;
     ngx_http_lua_shdict_node_t  *sd;
     double                       num;
@@ -2639,6 +2640,10 @@ ngx_http_lua_ffi_shdict_incr(ngx_shm_zone_t *zone, u_char *key,
         return NGX_ERROR;
     }
 
+    if (exptime > 0) {
+        tp = ngx_timeofday();
+    }
+
     ctx = zone->data;
 
     *forcible = 0;
@@ -2802,7 +2807,13 @@ ngx_http_lua_ffi_shdict_incr(ngx_shm_zone_t *zone, u_char *key,
 
     sd->user_flags = 0;
 
-    sd->expires = 0;
+    if (exptime > 0) {
+        sd->expires = (uint64_t) tp->sec * 1000 + tp->msec
+                      + (uint64_t) exptime;
+
+    } else {
+        sd->expires = 0;
+    }
 
     dd("setting value type to %d", LUA_TNUMBER);