Merge commit 'c992cb4e42cc223f67ede0e48d7ff3f4947af0c6' as 'test/compatibility/C/uWebSockets'

test/compatibility/C/uWebSockets/examples/BroadcastingEchoServer.cpp

@@ -0,0 +1,52 @@
+#include "App.h"
+
+struct us_listen_socket_t *listen_socket;
+
+int main() {
+    /* ws->getUserData returns one of these */
+    struct PerSocketData {
+
+    };
+
+    /* Very simple WebSocket broadcasting echo server */
+    uWS::App().ws<PerSocketData>("/*", {
+        /* Settings */
+        .compression = uWS::SHARED_COMPRESSOR,
+        .maxPayloadLength = 16 * 1024 * 1024,
+        .idleTimeout = 10,
+        .maxBackpressure = 1 * 1024 * 1204,
+        /* Handlers */
+        .open = [](auto *ws, auto *req) {
+            /* Let's make every connection subscribe to the "broadcast" topic */
+            ws->subscribe("broadcast");
+        },
+        .message = [](auto *ws, std::string_view message, uWS::OpCode opCode) {
+            /* Exit gracefully if we get a closedown message (ASAN debug) */
+            if (message == "closedown") {
+               /* Bye bye */
+               us_listen_socket_close(0, listen_socket);
+               ws->close();
+            }
+
+            /* Simply broadcast every single message we get */
+            ws->publish("broadcast", message, opCode);
+        },
+        .drain = [](auto *ws) {
+            /* Check getBufferedAmount here */
+        },
+        .ping = [](auto *ws) {
+
+        },
+        .pong = [](auto *ws) {
+
+        },
+        .close = [](auto *ws, int code, std::string_view message) {
+            /* We automatically unsubscribe from any topic here */
+        }
+    }).listen(9001, [](auto *token) {
+        listen_socket = token;
+        if (token) {
+            std::cout << "Listening on port " << 9001 << std::endl;
+        }
+    }).run();
+}