3 files changed, 102 insertions, 0 deletions
diff --git a/source/apps/src/wandac/cli.cpp b/source/apps/src/wandac/cli.cpp
new file mode 100644
index 0000000..6be1e18
--- /dev/null
+++ b/source/apps/src/wandac/cli.cpp
@@ -0,0 +1,30 @@
+#include "wanda/wandac/cli.hpp"
+
+#include <lyra/arg.hpp>
+#include <lyra/help.hpp>
+
+#include <ostream>
+
+namespace wandac
+{
+
+  auto cli::parse(lyra::args arguments, std::ostream & error_stream) -> bool
+  {
+    parser |=  //
+        lyra::help(help) |  //
+        lyra::arg{command, "command"}("The command to send to the deamon").required();
+
+    auto result = parser.parse(arguments);
+
+    if (!result)
+    {
+      error_stream << "Error while processing command line arguments: " << result.message() << '\n' << parser << '\n';
+      return false;
+    }
+
+    return true;
+  }
+
+  auto cli::print_usage(std::ostream & output_stream) -> void { output_stream << parser << '\n'; }
+
+}  // namespace wandac
diff --git a/source/apps/src/wandac/listener.cpp b/source/apps/src/wandac/listener.cpp
new file mode 100644
index 0000000..29ccace
--- /dev/null
+++ b/source/apps/src/wandac/listener.cpp
@@ -0,0 +1,29 @@
+#include "wanda/wandac/listener.hpp"
+
+#include "wanda/wandac/cli.hpp"
+
+#include <wanda/control/commander.hpp>
+#include <wanda/proto/command.hpp>
+
+#include <boost/asio/io_context.hpp>
+
+namespace wandac
+{
+
+  listener::listener(wandac::cli const & cli, boost::asio::io_context & service)
+      : m_cli{cli}
+      , m_service{service}
+  {
+  }
+
+  auto listener::on_connected(wanda::control::commander & commander) -> void
+  {
+    if (m_cli.command == "change")
+    {
+      commander.send(wanda::proto::make_change_command());
+
+      post(m_service, [&] { commander.stop(); });
+    }
+  }
+
+}  // namespace wandac
diff --git a/source/apps/src/wandac/main.cpp b/source/apps/src/wandac/main.cpp
new file mode 100644
index 0000000..1533a62
--- /dev/null
+++ b/source/apps/src/wandac/main.cpp
@@ -0,0 +1,43 @@
+#include "wanda/wandac/cli.hpp"
+#include "wanda/wandac/listener.hpp"
+
+#include <wanda/control/commander.hpp>
+#include <wanda/system/environment.hpp>
+#include <wanda/system/logging.hpp>
+#include <wanda/system/xdg.hpp>
+
+#include <boost/asio/io_context.hpp>
+#include <spdlog/sinks/stdout_color_sinks.h>
+
+#include <cstdlib>
+#include <filesystem>
+#include <iostream>
+
+int main(int argc, char const * const * argv)
+{
+  auto cli = wandac::cli{};
+  if (!cli.parse({argc, argv}, std::cerr))
+  {
+    return EXIT_FAILURE;
+  }
+  else if (cli.help)
+  {
+    cli.print_usage(std::cout);
+    return EXIT_SUCCESS;
+  }
+
+  wanda::system::initialize_logger(std::make_shared<spdlog::sinks::stderr_color_sink_st>());
+
+  auto environment = wanda::system::environment{};
+  auto runtime_dir = wanda::system::xdg_path_for(wanda::system::xdg_directory::runtime_dir, environment);
+  auto interface = runtime_dir / ".wanda_interface";
+  auto service = boost::asio::io_context{};
+  auto listener = wandac::listener{cli, service};
+
+  auto commander = wanda::control::commander{service, interface, listener};
+
+  wanda::system::get_logger()->info("trying to connect to wanda control interface on '{}'", interface.native());
+  commander.start();
+
+  service.run();
+}