Simplify connection registry

src/server.cpp

@@ -30,14 +30,32 @@ Server::Server(const weaseldb::Config &config, ConnectionHandler &handler)
     : config_(config), handler_(handler), connection_registry_() {}
 
 Server::~Server() {
-  // CRITICAL: All I/O threads are guaranteed to be joined before the destructor
-  // is called because they are owned by the run() method's call frame.
-  // This eliminates any possibility of race conditions during connection
-  // cleanup.
+  if (shutdown_pipe_[0] != -1) {
+    close(shutdown_pipe_[0]);
+    shutdown_pipe_[0] = -1;
+  }
+  if (shutdown_pipe_[1] != -1) {
+    close(shutdown_pipe_[1]);
+    shutdown_pipe_[1] = -1;
+  }
 
-  // Clean up any remaining connections using proper ordering
-  connection_registry_.shutdown_cleanup();
-  cleanup_resources();
+  // Close all epoll instances
+  for (int epollfd : epoll_fds_) {
+    if (epollfd != -1) {
+      close(epollfd);
+    }
+  }
+  epoll_fds_.clear();
+
+  if (listen_sockfd_ != -1) {
+    close(listen_sockfd_);
+    listen_sockfd_ = -1;
+  }
+
+  // Clean up unix socket file if it exists
+  if (!config_.server.unix_socket_path.empty()) {
+    unlink(config_.server.unix_socket_path.c_str());
+  }
 }
 
 void Server::run() {
@@ -525,32 +543,3 @@ void Server::process_connection_batch(
     }
   }
 }
-
-void Server::cleanup_resources() {
-  if (shutdown_pipe_[0] != -1) {
-    close(shutdown_pipe_[0]);
-    shutdown_pipe_[0] = -1;
-  }
-  if (shutdown_pipe_[1] != -1) {
-    close(shutdown_pipe_[1]);
-    shutdown_pipe_[1] = -1;
-  }
-
-  // Close all epoll instances
-  for (int epollfd : epoll_fds_) {
-    if (epollfd != -1) {
-      close(epollfd);
-    }
-  }
-  epoll_fds_.clear();
-
-  if (listen_sockfd_ != -1) {
-    close(listen_sockfd_);
-    listen_sockfd_ = -1;
-  }
-
-  // Clean up unix socket file if it exists
-  if (!config_.server.unix_socket_path.empty()) {
-    unlink(config_.server.unix_socket_path.c_str());
-  }
-}