(cobra client) send a websocket ping every 30s to keep the connection opened

ws/ws_cobra_publish.cpp

@@ -91,6 +91,10 @@ namespace ix
                 spdlog::info("Published message id {} acked", msgId);
                 messageAcked = true;
             }
+            else if (eventType == ix::CobraConnection_EventType_Pong)
+            {
+                spdlog::info("Received websocket pong");
+            }
         });
 
         conn.connect();

ws/ws_cobra_subscribe.cpp

@@ -100,6 +100,10 @@ namespace ix
                 {
                     spdlog::error("Published message hacked: {}", msgId);
                 }
+                else if (eventType == ix::CobraConnection_EventType_Pong)
+                {
+                    spdlog::info("Received websocket pong");
+                }
             });
 
         while (true)

ws/ws_cobra_to_sentry.cpp

@@ -245,6 +245,10 @@ namespace ix
             {
                 spdlog::error("Published message hacked: {}", msgId);
             }
+            else if (eventType == ix::CobraConnection_EventType_Pong)
+            {
+                spdlog::info("Received websocket pong");
+            }
         });
 
         while (true)

ws/ws_cobra_to_statsd.cpp

@@ -160,6 +160,10 @@ namespace ix
             {
                 spdlog::error("Published message hacked: {}", msgId);
             }
+            else if (eventType == ix::CobraConnection_EventType_Pong)
+            {
+                spdlog::info("Received websocket pong");
+            }
         });
 
         while (true)