Add echo server and hook into acceptorv0.2.0

1 files changed, 23 insertions, 0 deletions

diff --git a/lib/octochat/servers/echo.ex b/lib/octochat/servers/echo.ex
new file mode 100644
index 0000000..fe25079
--- /dev/null
+++ b/lib/octochat/servers/echo.ex
@@ -0,0 +1,23 @@
+defmodule Octochat.Echo do
+  @moduledoc """
+  Octochat Echo server
+  """
+
+  def serve(socket) do
+    socket
+      |> read_line!()
+      |> write_line!(socket)
+
+    serve(socket)
+  end
+
+  defp read_line!(socket) do
+    {:ok, line} = :gen_tcp.recv(socket, 0)
+    line
+  end
+
+  defp write_line!(line, socket) do
+    :gen_tcp.send(socket, line)
+  end
+
+end