Initial commit

Add .gitignore to exclude VSCode workspace files and build artifacts

main.cpp

@@ -0,0 +1,63 @@
+
+
+#include <iostream>
+
+#include <boost/asio/co_spawn.hpp>
+#include <boost/asio/deferred.hpp>
+#include <boost/asio/detached.hpp>
+#include <boost/asio/io_context.hpp>
+#include <boost/asio/ip/tcp.hpp>
+#include <boost/asio/signal_set.hpp>
+#include <boost/asio/write.hpp>
+#include <cstdio>
+
+#include "handler.hpp"
+
+using boost::asio::awaitable;
+using boost::asio::co_spawn;
+using boost::asio::deferred;
+using boost::asio::detached;
+using boost::asio::ip::tcp;
+namespace this_coro = boost::asio::this_coro;
+
+awaitable<std::string> dofinger(const std::string &username) {
+  co_return process(username);
+  //co_return std::string("this is some finger information for ") + username + std::string("\r\n");
+}
+
+awaitable<void> echo(tcp::socket socket) {
+  try {
+    char data[1024];
+    co_await socket.async_read_some(boost::asio::buffer(data), deferred);
+    auto response = co_await dofinger(std::string(data));
+    co_await async_write(socket, boost::asio::buffer(response), deferred);
+    co_return;
+  }
+  catch (std::exception &e) {
+    std::printf("echo Exception: %s\n", e.what());
+  }
+}
+
+awaitable<void> listener() {
+  auto executor = co_await this_coro::executor;
+  tcp::acceptor acceptor(executor, {tcp::v4(), 79});
+  for (;;) {
+    tcp::socket socket = co_await acceptor.async_accept(deferred);
+    co_spawn(executor, echo(std::move(socket)), detached);
+  }
+}
+
+int main() {
+  try {
+    boost::asio::io_context io_context(1);
+
+    boost::asio::signal_set signals(io_context, SIGINT, SIGTERM);
+    signals.async_wait([&](auto, auto) { io_context.stop(); });
+
+    co_spawn(io_context, listener(), detached);
+
+    io_context.run();
+  } catch (std::exception &e) {
+    std::printf("Exception: %s\n", e.what());
+  }
+}