init

include/SessionManager.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include "Session.h"
+#include <memory>
+#include <mutex>
+#include <set>
+#include <span>
+
+class SessionManager {
+public:
+  static SessionManager &GetInstance();
+
+  void Join(std::shared_ptr<Session> session);
+  void Leave(std::shared_ptr<Session> session);
+  void Broadcast(PacketHeader header, std::span<const uint8_t> body);
+
+private:
+  std::mutex mutex_;
+  std::set<std::shared_ptr<Session>> sessions_;
+};