Separate phases for processing existing and new connections

src/server.hpp

@@ -4,6 +4,7 @@
 #include "connection_handler.hpp"
 #include <atomic>
 #include <memory>
+#include <span>
 #include <thread>
 #include <vector>
 
@@ -117,7 +118,11 @@ private:
   void cleanup_resources();
 
   // Helper for processing connection I/O
-  bool process_connection_io(std::unique_ptr<Connection> &conn, int events);
+  void process_connection_io(std::unique_ptr<Connection> &conn, int events);
+
+  // Helper for processing a batch of connections with their events
+  void process_connection_batch(std::span<std::unique_ptr<Connection>> batch,
+                                std::span<const int> events, bool is_new);
 
   /**
    * Called internally to return ownership to the server.
@@ -134,4 +139,4 @@ private:
   Server &operator=(const Server &) = delete;
   Server(Server &&) = delete;
   Server &operator=(Server &&) = delete;
-};
+};