Broadacst unix time in 8ms intervals, example

examples/Broadcast.cpp

@@ -1,5 +1,7 @@
 /* We simply call the root header file "App.h", giving you uWS::App and uWS::SSLApp */
 #include "App.h"
+#include <time.h>
+#include <iostream>
 
 /* This is a simple WebSocket echo server example.
  * You may compile it with "WITH_OPENSSL=1 make" or with "make" */
@@ -34,7 +36,7 @@ int main() {
             /* Open event here, you may access ws->getUserData() which points to a PerSocketData struct */
             ws->subscribe("broadcast");
         },
-        .message = [](auto *ws, std::string_view message, uWS::OpCode opCode) {
+        .message = [](auto */*ws*/, std::string_view /*message*/, uWS::OpCode /*opCode*/) {
 
         },
         .drain = [](auto */*ws*/) {
@@ -58,11 +60,19 @@ int main() {
     struct us_loop_t *loop = (struct us_loop_t *) uWS::Loop::get();
     struct us_timer_t *delayTimer = us_create_timer(loop, 0, 0);
 
-    us_timer_set(delayTimer, [](struct us_timer_t *t) {
+    // broadcast the unix time as millis every 8 millis
+    us_timer_set(delayTimer, [](struct us_timer_t */*t*/) {
 
-        globalApp->publish("broadcast", "1234567891234", uWS::OpCode::TEXT, false);
+        struct timespec ts;
+        timespec_get(&ts, TIME_UTC);
 
-    }, 75, 75);
+        int64_t millis = ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
+
+        //std::cout << "Broadcasting timestamp: " << millis << std::endl;
+
+        globalApp->publish("broadcast", std::string_view((char *) &millis, sizeof(millis)), uWS::OpCode::BINARY, false);
+
+    }, 8, 8);
 
     globalApp = &app;