runtime/main.cpp : fix command name for state_update

Author: ManifoldFR

src/candlewick/runtime/main.cpp

@@ -23,7 +23,7 @@ using cdw::multibody::Visualizer;
   constexpr std::string_view CMD_##name = #name
 
 CANDLEWICK_RUNTIME_DEFINE_COMMAND(send_models);
-CANDLEWICK_RUNTIME_DEFINE_COMMAND(send_state);
+CANDLEWICK_RUNTIME_DEFINE_COMMAND(state_update);
 CANDLEWICK_RUNTIME_DEFINE_COMMAND(send_cam_pose);
 CANDLEWICK_RUNTIME_DEFINE_COMMAND(clean);
 
@@ -74,13 +74,15 @@ void run_main_loop(Visualizer &viz, ApplicationContext &app_ctx) {
 
   while (!viz.shouldExit()) {
     std::array<zmq::message_t, 2> msgs;
+
+    // route subscriber socket
     auto rec = zmq::recv_multipart_n(app_ctx.state_sock, msgs.begin(), 2,
                                      zmq::recv_flags::dontwait);
 
     if (rec) {
       // route through message headers
       auto header = msgs[0].to_string_view();
-      if (header == CMD_send_state) {
+      if (header == CMD_state_update) {
         auto oh = get_handle_from_zmq_msg(std::move(msgs[1]));
         msgpack::object obj = oh.get();
         std::tuple<ArrayMessage, std::optional<ArrayMessage>> arrays;
@@ -96,6 +98,7 @@ void run_main_loop(Visualizer &viz, ApplicationContext &app_ctx) {
       }
     }
 
+    // route synchronous socket
     rec = zmq::recv_multipart_n(app_ctx.sync_sock, msgs.begin(), 2,
                                 zmq::recv_flags::dontwait);
     if (rec) {
@@ -138,7 +141,7 @@ int main(int argc, char **argv) {
   zmq::socket_t &state_sock = app_ctx.state_sock;
   sync_sock.bind(std::format("tcp://{:s}:{:d}", hostname, port));
   state_sock.bind(std::format("tcp://{:s}:{:d}", hostname, port + 2));
-  state_sock.set(zmq::sockopt::subscribe, CMD_send_state);
+  state_sock.set(zmq::sockopt::subscribe, CMD_state_update);
 
   std::string endpoint;
   endpoint = sync_sock.get(zmq::sockopt::last_endpoint);