wanda: restructure directory hierarchy

1 files changed, 96 insertions, 0 deletions

diff --git a/include/wanda/control_interface.hpp b/include/wanda/control_interface.hpp
new file mode 100644
index 0000000..73ef2cf
--- /dev/null
+++ b/include/wanda/control_interface.hpp
@@ -0,0 +1,96 @@
+/**
+ * @file   environment.hpp
+ * @author Felix Morgner (felix.morgner@gmail.com)
+ * @since  1.0.0
+ */
+
+#ifndef WANDA_CONTROL_INTERFACE_HPP
+#define WANDA_CONTROL_INTERFACE_HPP
+
+#include <wanda/command.hpp>
+#include <wanda/control_connection.hpp>
+#include <wanda/keyed.hpp>
+
+#include <asio.hpp>
+#include <spdlog/spdlog.h>
+
+#include <cstddef>
+#include <filesystem>
+#include <istream>
+#include <map>
+#include <memory>
+#include <set>
+#include <string>
+#include <type_traits>
+
+namespace wanda
+{
+  /**
+   * @brief An RAII type to delete a socket file upon destruction
+   */
+  struct socket_deleter
+  {
+    ~socket_deleter();
+
+    std::filesystem::path path;
+  };
+
+  /**
+   * @brief The daemon control interface
+   */
+  struct control_interface : control_connection::listener, keyed<control_interface>, std::enable_shared_from_this<control_interface>
+  {
+    using protocol = asio::local::stream_protocol;
+    using pointer = std::shared_ptr<control_interface>;
+
+    /**
+     * @brief The interface to be implemented by the control interface listener
+     */
+    struct listener
+    {
+      virtual void on_received(control_interface & interface, command command){};
+    };
+
+    /**
+     * @internal
+     * @brief Construct a new control interface object
+     * 
+     * @note This constructor is keyed on a private key type so it can only be constructed using the #wanda::make_interface factory
+     */
+    control_interface(key, asio::io_service & service, protocol::endpoint endpoint, listener & listener);
+
+    /**
+     * @brief Start handling of controller connections
+     */
+    std::error_code start();
+
+    /**
+     * @brief Stop the control interface
+     */
+    std::error_code shutdown();
+
+    void on_close(control_connection::pointer connection) override;
+    void on_received(control_connection::pointer connection, message message) override;
+
+  private:
+    void perform_accept();
+
+    friend pointer make_interface(asio::io_service & service, std::filesystem::path file, control_interface::listener & listener);
+
+    asio::io_service & m_service;
+    protocol::endpoint m_endpoint;
+    protocol::socket m_socket;
+    protocol::acceptor m_acceptor;
+    listener & m_listener;
+    socket_deleter m_deleter{m_endpoint.path()};
+    std::set<control_connection::pointer> m_connections;
+  };
+
+  /**
+   * @brief A factory to create new #control_interface instances
+   */
+  control_interface::pointer make_interface(asio::io_service & service, std::filesystem::path socket, control_interface::listener & listener);
+
+}  // namespace wanda
+
+#endif
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