Merge branch 'master' into fix_macos

include/crow/app.h

@@ -168,6 +168,21 @@ namespace crow
             return *this;
         }
 
+        /// Set a response body size (in bytes) beyond which Crow automatically streams responses (Default is 1MiB)
+
+        ///
+        /// Any streamed response is unaffected by Crow's timer, and therefore won't timeout before a response is fully sent.
+        self_t& stream_threshold(size_t threshold)
+        {
+            res_stream_threshold_ = threshold;
+            return *this;
+        }
+
+        size_t& stream_threshold()
+        {
+            return res_stream_threshold_;
+        }
+
         self_t& register_blueprint(Blueprint& blueprint)
         {
             router_.register_blueprint(blueprint);
@@ -400,6 +415,7 @@ namespace crow
         bool validated_ = false;
         std::string server_name_ = std::string("Crow/") + VERSION;
         std::string bindaddr_ = "0.0.0.0";
+        size_t res_stream_threshold_ = 1048576;
         Router router_;
 
 #ifdef CROW_ENABLE_COMPRESSION

include/crow/http_connection.h

@@ -202,7 +202,8 @@ namespace crow
             server_name_(server_name),
             middlewares_(middlewares),
             get_cached_date_str(get_cached_date_str_f),
-            timer_queue(timer_queue)
+            timer_queue(timer_queue),
+            res_stream_threshold_(handler->stream_threshold())
         {
 #ifdef CROW_ENABLE_DEBUG
             connectionCount ++;
@@ -678,8 +679,6 @@ namespace crow
 
         boost::array<char, 4096> buffer_;
 
-        const unsigned res_stream_threshold_ = 1048576;
-
         HTTPParser<Connection> parser_;
         request req_;
         response res;
@@ -707,6 +706,8 @@ namespace crow
 
         std::function<std::string()>& get_cached_date_str;
         detail::dumb_timer_queue& timer_queue;
+
+        size_t res_stream_threshold_;
     };
 
 }