WebKernel has a terminate handler that is called after dispatching and sending a response

src/WebKernel.cpp

@@ -67,4 +67,6 @@ void WebKernel::dispatchRequest()
     response.setHttpVersion(_request.getHttpVersion());
     _dispatcher.handle(_request, response);
     response.send(_client);
+    if (_terminateHandler != nullptr)
+        _terminateHandler(_request, response);
 }

src/WebKernel.h

@@ -41,6 +41,11 @@ class WebKernel
             _dispatcher.methodNotAllowedHandler = handler;
         }
 
+        void setTerminateHandler(void (*handler)(const HttpRequest&, const HttpResponse&))
+        {
+            _terminateHandler = handler;
+        }
+
 #ifdef _TEST_
         void mock_nextClient(const char * next) { _server._next = next; }
         WiFiClient& mock_currentClient() { return _client; }
@@ -59,4 +64,6 @@ class WebKernel
 
         void dispatchRequest();
 
+        void (*_terminateHandler)(const HttpRequest&, const HttpResponse&);
+
 };

test/test_WebKernel.cpp

@@ -9,6 +9,7 @@ char error_message[24] = {};
 
 char response_buffer[100] = {};
 Buffer message((uint8_t*)response_buffer, 100);
+bool term = false;
 
 void do_foo(HttpRequest& request, HttpResponse& response)
 {
@@ -40,6 +41,11 @@ void handle_methodNotAllowed(HttpRequest& request, HttpResponse& response)
     strcpy(error_message, "Method Not Allowed");
 }
 
+void handle_terminate(const HttpRequest& request, const HttpResponse& response)
+{
+    term = true;
+}
+
 TEST_CASE("Test WebKernel", "[WebKernel]")
 {
     Route routes[] = {
@@ -120,3 +126,20 @@ TEST_CASE("Test WebKernel error handling", "[WebKernel]")
 {
 
 }
+
+TEST_CASE("WebKernel terminate handler", "[WebKernel]")
+{
+    Route routes[] = {
+        { GET, "/foo", do_foo },
+        { GET, "/bar", do_bar }
+    };
+    WebKernel kernel(80, routes, 2);
+    foo = bar = 0;
+    term = false;
+
+    kernel.mock_nextClient("GET /foo HTTP/1.1\r\nHost: localhost\r\n\r\n");
+    kernel.setTerminateHandler(handle_terminate);
+
+    kernel.handleClients();
+    CHECK(term == true);
+}