Trying but failing to use Register

SiteServer.cpp

@@ -0,0 +1,74 @@
+#include "SiteServer.h"
+
+#include "Sensors/TemperatureSensor.h"
+
+#include <functional>
+#include <unordered_map>
+#include <memory>
+
+namespace Passer {
+namespace Control {
+
+SiteServer::SiteServer(int port) {
+  this->name = "Site Server";
+
+  this->ipAddress = "0.0.0.0";
+  this->port = port;
+
+  this->participants.push_back(this);
+
+  SetupUDP(port, ipAddress, 0);
+
+  Register<TemperatureSensor>((unsigned char)Thing::Type::TemperatureSensor);
+}
+
+void SiteServer::Update(unsigned long currentTimeMs) {
+  this->ReceiveUDP();
+  Thing::UpdateAll(currentTimeMs);
+}
+
+void SiteServer::Process(Participant *sender, ClientMsg *msg) {
+  if (msg->networkId == 0) {
+    std::cout << this->name << " received New Client -> " << sender->ipAddress
+              << "  " << (int)sender->networkId << "\n";
+    NetworkIdMsg *msg = new NetworkIdMsg(sender->networkId);
+    sender->Send(msg);
+    delete msg;
+  }
+}
+
+void SiteServer::Process(Participant *sender, NetworkIdMsg *msg) {}
+
+using ThingConstructor = std::function<std::unique_ptr<Thing>(
+    unsigned char networkId, unsigned char thingId)>;
+std::unordered_map<unsigned char, ThingConstructor> thingMsgProcessors;
+
+template <typename ThingClass>
+void SiteServer::Register(unsigned char thingType) {
+  thingMsgProcessors[thingType] = [](unsigned char networkId,
+                                     unsigned char thingId) {
+    return std::make_unique<ThingClass>(networkId, thingId);
+  };
+}
+
+// template <typename ThingClass>
+// void SiteServer::Register(Thing::Type thingType)
+// {
+//   Register<ThingClass>((unsigned char)thingType);
+// }
+
+void SiteServer::Process(ThingMsg *msg) {
+
+  Thing *thing = Thing::Get(msg->networkId, msg->thingId);
+  if (thing == nullptr) {
+    auto thingMsgProcessor = thingMsgProcessors.find(msg->thingType);
+    if (thingMsgProcessor != thingMsgProcessors.end()) // found item
+      thingMsgProcessor->second(msg->networkId, msg->thingId);
+    else
+      new Thing(this, msg->networkId, msg->thingId,
+                (Thing::Type)msg->thingType);
+  }
+}
+
+} // namespace Control
+} // namespace Passer

SiteServer.h

@@ -13,6 +13,7 @@ public:
   virtual void Update(unsigned long currentTimeMs) override;
 
   template <typename ThingClass> void Register(unsigned char thingType);
+  // template <typename ThingClass> void Register(Thing::Type thingType);
 
 protected:
   unsigned long nextPublishMe = 0;