Add some Http3 skeleton

Makefile

@@ -1,4 +1,4 @@
-EXAMPLE_FILES := Broadcast HelloWorld ServerName EchoServer BroadcastingEchoServer UpgradeSync UpgradeAsync
+EXAMPLE_FILES := Http3Server Broadcast HelloWorld ServerName EchoServer BroadcastingEchoServer UpgradeSync UpgradeAsync
 THREADED_EXAMPLE_FILES := HelloWorldThreaded EchoServerThreaded
 override CXXFLAGS += -lpthread -Wpedantic -Wall -Wextra -Wsign-conversion -Wconversion -std=c++2a -Isrc -IuSockets/src
 override LDFLAGS += uSockets/*.o -lz

examples/Http3Server.cpp

@@ -0,0 +1,20 @@
+/* Do not rely on this API, it will change */
+#include "Http3App.h"
+#include <iostream>
+
+/* Tentative example of simple Http3 server */
+int main() {
+	uWS::QuicApp({
+	  .key_file_name = "../misc/key.pem",
+	  .cert_file_name = "../misc/cert.pem",
+	  .passphrase = "1234"
+	}).get("/*", [](auto *res, auto */*req*/) {
+	    res->end("Hello quic!");
+	}).listen(3000, [](auto *listen_socket) {
+	    if (listen_socket) {
+			std::cout << "Listening on port " << 3000 << std::endl;
+	    }
+	}).run();
+
+	std::cout << "Failed to listen on port 3000" << std::endl;
+}

src/Http3App.h

@@ -0,0 +1,33 @@
+#include "App.h"
+
+#include "Http3Response.h"
+#include "Http3Request.h"
+#include "Http3Context.h"
+
+namespace uWS {
+
+    struct QuicApp {
+        Http3Context *http3Context;
+
+        QuicApp(SocketContextOptions options = {}) {
+            /* Create the http3 context */
+            http3Context = Http3Context::create((us_loop_t *)Loop::get(), options);
+        }
+
+        QuicApp &listen(int port, std::function<void(void *)> cb) {
+            return *this;
+        }
+
+        QuicApp &get(std::string path, std::function<void(Http3Response *, Http3Request *)> cb) {
+            // http3Context->onHttp, internally using httprouter
+
+            return *this;
+        }
+
+        void run() {
+
+        }
+    };
+
+
+}

src/Http3Context.h

@@ -0,0 +1,17 @@
+namespace uWS {
+    struct Http3Context {
+        static Http3Context *create(us_loop_t *loop, us_socket_context_options_t options) {
+            return nullptr;
+
+            // call init here after setting the ext to Http3ContextData
+        }
+
+        void init() {
+            // set all callbacks here
+        }
+
+        void onHttp() {
+            // modifies the router we own as part of Http3ContextData, used in callbacks set in init
+        }
+    };
+}

src/Http3Request.h

@@ -0,0 +1,6 @@
+namespace uWS {
+
+    struct Http3Request {
+        // really the same thing as HttpRequest with same rules
+    };
+}

src/Http3Response.h

@@ -0,0 +1,11 @@
+namespace uWS {
+
+    struct Http3Response {
+        // has a quic stream
+
+        void end(std::string_view data) {
+            
+        }
+    };
+
+}