Finds the plan file and returns its contents

main.cpp

@@ -22,18 +22,33 @@ 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");
+  // 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));
+    auto bytes_read =
+        co_await socket.async_read_some(boost::asio::buffer(data), deferred);
+    // strip \r\n from data
+    std::string username(data, bytes_read);
+    // Remove trailing \r\n characters
+    while (!username.empty() &&
+           (username.back() == '\r' || username.back() == '\n')) {
+      username.pop_back();
+    }
+    auto response = co_await dofinger(username);
+    if (response.compare(std::string(username)) == 0) {
+      // No plan found
+      co_await async_write(
+          socket, boost::asio::buffer(std::string("No plan found\r\n")),
+          deferred);
+      co_return;
+    }
     co_await async_write(socket, boost::asio::buffer(response), deferred);
     co_return;
-  }
-  catch (std::exception &e) {
+  } catch (std::exception &e) {
     std::printf("echo Exception: %s\n", e.what());
   }
 }