wanda: restructure source directory

1 files changed, 77 insertions, 0 deletions

diff --git a/source/src/wanda/commander.cpp b/source/src/wanda/commander.cpp
new file mode 100644
index 0000000..85fc68a
--- /dev/null
+++ b/source/src/wanda/commander.cpp
@@ -0,0 +1,77 @@
+#include <wanda/commander.hpp>
+#include <wanda/logging.hpp>
+#include <wanda/message.hpp>
+#include <wanda/optional.hpp>
+
+#include <spdlog/fmt/ostr.h>
+
+namespace wanda
+{
+  commander::commander(asio::io_service & service, std::filesystem::path socket, listener & listener)
+      : m_service{service}
+      , m_endpoint{socket.string()}
+      , m_socket{service}
+      , m_listener{listener}
+  {
+  }
+
+  void commander::start()
+  {
+    m_socket.async_connect(m_endpoint, [&](auto const & error) {
+      if (error)
+      {
+        get_logger()->error("error while connecting to control interface: '{}'", error.message());
+      }
+      else
+      {
+        get_logger()->info("establishing connection to wanda deamon");
+        m_connection = wanda::make_control_connection(std::move(m_socket));
+        m_connection->add(this);
+        m_connection->start();
+        m_connection->send({message_source_controller, message_command_hello, message_argument_hello});
+      }
+    });
+  }
+
+  void commander::stop()
+  {
+    get_logger()->info("closing control connection");
+    m_connection->close();
+  }
+
+  void commander::send(command command)
+  {
+    using namespace wanda::std_ext;
+
+    if (!m_connection || m_connection->current_state() != control_connection::state::established)
+    {
+      get_logger()->error("tried to send command without an established connection");
+      m_listener.on_error(*this, "tried to send command without an established connection");
+      return;
+    }
+
+    with(command.message(), [&](auto const & message) { m_connection->send(message); }) ||
+        [&] { get_logger()->error("unknown command"); };
+  }
+
+  void commander::on_error(control_connection::pointer connection, std::error_code error)
+  {
+    get_logger()->error("control interface communication error: '{}'", error.message());
+  }
+
+  void commander::on_received(wanda::control_connection::pointer connection, message message)
+  {
+    if (auto state = connection->current_state(); message.command == "HELLO" && state == control_connection::state::fresh)
+    {
+      get_logger()->info("connection to wanda deamon successfully established");
+      connection->update(control_connection::state::established);
+      m_listener.on_connected(*this);
+    }
+    else
+    {
+      get_logger()->error("unexpected message: '{}'", message);
+      m_listener.on_error(*this, "unexpected message '" + static_cast<std::string>(message) + '\'');
+    }
+  }
+
+}  // namespace wanda
\ No newline at end of file