improve some debug messages

src/MqttConnection.cpp

@@ -11,7 +11,7 @@ bool MqttConnection::ensureConnection() {
     constexpr int N_ATTEMPT = 30;
 
     if (!client.is_connected()) {
-        ROS_WARN_STREAM_NAMED("MqttConnection", client.get_client_id() << ": Lost connection. Reconnecting.");
+        ROS_WARN_STREAM("[MqttConnection] Client '" << client.get_client_id() << "' lost connection. Reconnecting.");
         for (int i = 0; i < N_ATTEMPT && !client.is_connected(); ++i) {
             try {
                 auto rsp = client.reconnect();
@@ -20,12 +20,11 @@ bool MqttConnection::ensureConnection() {
                 }
                 return true;
             } catch (const mqtt::exception &exception) {
-                ROS_ERROR_STREAM_NAMED("MqttConnection",
-                                       "Problem during reconnection. Retrying in 1s. " << exception.to_string());
+                ROS_ERROR_STREAM("[MqttConnection] Problem during reconnection. Retrying in 1s. Exception: " << exception.to_string());
                 std::this_thread::sleep_for(std::chrono::seconds(1));
             }
         }
-        ROS_ERROR_STREAM_NAMED("MqttConnection", client.get_client_id() << ": Reconnection failed!");
+        ROS_ERROR_STREAM("[MqttConnection] Reconnection failed for client '" << client.get_client_id() << "'.");
         return false;
     }
     return true;
@@ -33,6 +32,8 @@ bool MqttConnection::ensureConnection() {
 
 bool MqttConnection::send(const std::string &channel, const std::string &message) {
 
+    ROS_INFO_STREAM(
+            "[MqttConnection] Sending message to channel " << channel << " with a length of " << message.size() << ".");
     if (ensureConnection()) {
         try {
             int length = message.size();
@@ -41,13 +42,14 @@ bool MqttConnection::send(const std::string &channel, const std::string &message
             auto pub_msg = mqtt::make_message(channel, data, length);
             pub_msg->set_qos(QOS);
             getClient().publish(pub_msg);
+            ROS_INFO_STREAM("[MqttConnection] Message has been sent successfully.");
         }
         catch (const mqtt::exception &exc) {
-            ROS_ERROR_STREAM("MqttUtil: Unable to publish  message. " << exc.what());
+            ROS_ERROR_STREAM("[MqttConnection] Unable to publish  message. " << exc.what());
             return false;
         }
     } else {
-        ROS_ERROR_STREAM("MqttUtil: Not connected! Unable to listen to messages.");
+        ROS_ERROR_STREAM("[MqttConnection] Not connected! Unable to listen to messages.");
         return false;
     }
     return true;

src/NngConnection.cpp

@@ -82,7 +82,7 @@ bool NngConnection::send(const std::string &channel, const std::string &message)
         ROS_ERROR_STREAM("[NngConnection] nng_send returned: " << nng_strerror(rv));
         return false;
     } else {
-        ROS_INFO_STREAM("[NngConnection] Scene has been sent successfully.");
+        ROS_INFO_STREAM("[NngConnection] Message has been sent successfully.");
         return true;
     }
 }