wanda: restructure source layoutHEADdevelop

1 files changed, 97 insertions, 0 deletions

diff --git a/source/lib/include/wanda/control/interface.hpp b/source/lib/include/wanda/control/interface.hpp
new file mode 100644
index 0000000..e895b68
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+++ b/source/lib/include/wanda/control/interface.hpp
@@ -0,0 +1,97 @@
+/**
+ * @file   interface.hpp
+ * @author Felix Morgner (felix.morgner@gmail.com)
+ * @since  1.0.0
+ */
+
+#ifndef WANDA_CONTROL_INTERFACE_HPP
+#define WANDA_CONTROL_INTERFACE_HPP
+
+#include "wanda/control/connection.hpp"
+#include "wanda/meta/keyed.hpp"
+#include "wanda/proto/command.hpp"
+
+#include <boost/asio/local/stream_protocol.hpp>
+#include <boost/asio/io_context.hpp>
+#include <spdlog/spdlog.h>
+
+#include <cstddef>
+#include <filesystem>
+#include <istream>
+#include <map>
+#include <memory>
+#include <set>
+#include <string>
+#include <type_traits>
+
+namespace wanda::control
+{
+  /**
+   * @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 interface : connection::listener, meta::keyed<interface>, std::enable_shared_from_this<interface>
+  {
+    using protocol = boost::asio::local::stream_protocol;
+    using pointer = std::shared_ptr<interface>;
+
+    /**
+     * @brief The interface to be implemented by the control interface listener
+     */
+    struct listener
+    {
+      virtual void on_received(interface & interface, proto::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
+     */
+    interface(key, boost::asio::io_context & 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(connection::pointer connection) override;
+    void on_received(connection::pointer connection, proto::message message) override;
+
+  private:
+    void perform_accept();
+
+    friend pointer make_interface(boost::asio::io_context & service, std::filesystem::path file, interface::listener & listener);
+
+    boost::asio::io_context & 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<connection::pointer> m_connections;
+  };
+
+  /**
+   * @brief A factory to create new #interface instances
+   */
+  interface::pointer make_interface(boost::asio::io_context & service, std::filesystem::path socket, interface::listener & listener);
+
+}  // namespace wanda::control
+
+#endif
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