Style nits

Signed-off-by: Michael Beardsworth <[email protected]>

include/gz/transport/NodeShared.hh

@@ -284,7 +284,17 @@ namespace gz
       public: std::optional<TopicStatistics> TopicStats(
                   const std::string &_topic) const;
 
-      public: void AddGlobalRelay(const std::string& relay_address);
+      /// \brief Adds a unicast relay IP. All nodes in this process will send
+      /// UDP unicast traffic to the address to connect networks when UDP
+      /// multicast traffic is not forwarded.
+      /// It's also possible to use the environment variable GZ_RELAY to add
+      /// relays.
+      /// \param[in] _relayAddress IPv4 address of the relay to add.
+      public: void AddGlobalRelay(const std::string& _relayAddress);
+
+      /// \brief Gets the relay addresses configured for all nodes in this
+      /// process.
+      /// \return The relay addresses.
       public: std::vector<std::string> GlobalRelays() const;
 
       /// \brief Constructor.

src/Node.cc

@@ -1140,10 +1140,12 @@ bool Node::RequestRaw(const std::string &_topic,
   return executed && res->SerializeToString(&_response);
 }
 
+/////////////////////////////////////////////////
 void Node::AddGlobalRelay(const std::string& _relayAddress) {
   Shared()->AddGlobalRelay(_relayAddress);
 }
 
+/////////////////////////////////////////////////
 std::vector<std::string> Node::GlobalRelays() const {
   return Shared()->GlobalRelays();
 }

src/NodeShared.cc

@@ -1943,9 +1943,9 @@ int NodeSharedPrivate::NonNegativeEnvVar(const std::string &_envVar,
   return numVal;
 }
 
-void NodeShared::AddGlobalRelay(const std::string& relay_address) {
-  dataPtr->msgDiscovery->AddRelayAddress(relay_address);
-  dataPtr->srvDiscovery->AddRelayAddress(relay_address);
+void NodeShared::AddGlobalRelay(const std::string& _relayAddress) {
+  dataPtr->msgDiscovery->AddRelayAddress(_relayAddress);
+  dataPtr->srvDiscovery->AddRelayAddress(_relayAddress);
 }
 
 std::vector<std::string> NodeShared::GlobalRelays() const {