From 676586f2034ff112b309dccc430893d73e919191 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@gmail.com>
Date: Tue, 22 Sep 2026 18:06:51 +0200
Subject: apps: extract applications

---
 apps/echo.cpp | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 apps/echo.cpp

(limited to 'apps')

diff --git a/apps/echo.cpp b/apps/echo.cpp
new file mode 100644
index 0000000..ab635a7
--- /dev/null
+++ b/apps/echo.cpp
@@ -0,0 +1,36 @@
+#include <asio.hpp>
+#include <asio/experimental/awaitable_operators.hpp>
+
+#include <stdio.h>
+
+import ttwhy.io;
+import ttwhy.routers;
+
+auto app(int in, int out, int error) -> asio::awaitable<void>
+{
+  using namespace asio::experimental::awaitable_operators;
+
+  auto terminal_attributes = ttwhy::io::scoped_attributes{fileno(stdin)}  //
+                                 .canonical_mode(false)
+                                 .echo(false);
+
+  auto executor = co_await asio::this_coro::executor;
+
+  auto input_stream = asio::posix::stream_descriptor{executor, in};
+  auto output_stream = asio::posix::stream_descriptor{executor, out};
+  auto error_stream = asio::posix::stream_descriptor{executor, error};
+
+  auto router = ttwhy::routers::echo{output_stream};
+
+  co_await (ttwhy::io::handle_signals(error_stream, terminal_attributes) ||
+            ttwhy::io::read_events(input_stream, router));
+}
+
+auto main() -> int
+{
+  auto context = asio::io_context{};
+
+  asio::co_spawn(context, app(::fileno(::stdin), ::fileno(::stdout), ::fileno(::stderr)), asio::detached);
+
+  context.run();
+}
-- 
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