(ws cobra to statsd and sentry sender) exit if no messages are received for one minute, which is a sign that something goes wrong on the server side. That should be changed to be configurable in the future

ws/ws_cobra_to_statsd.cpp

@@ -153,6 +153,31 @@ namespace ix
 
         std::thread t1(timer);
 
+        auto heartbeat = [&sentCount, &receivedCount] {
+            std::string state("na");
+
+            while (true)
+            {
+                std::stringstream ss;
+                ss << "messages received " << receivedCount;
+                ss << "messages sent " << sentCount;
+
+                std::string currentState = ss.str();
+
+                if (currentState == state)
+                {
+                    spdlog::error("no messages received or sent for 1 minute, exiting");
+                    exit(1);
+                }
+                state = currentState;
+
+                auto duration = std::chrono::minutes(1);
+                std::this_thread::sleep_for(duration);
+            }
+        };
+
+        std::thread t2(heartbeat);
+
         auto statsdSender = [&queueManager, &host, &port, &sentCount, &tokens, &prefix, &stop] {
             // statsd client
             // test with netcat as a server: `nc -ul 8125`
@@ -184,7 +209,7 @@ namespace ix
             }
         };
 
-        std::thread t2(statsdSender);
+        std::thread t3(statsdSender);
 
         conn.setEventCallback(
             [&conn, &channel, &filter, &jsonWriter, verbose, &queueManager, &receivedCount](