silence connection errors

1 files changed, 6 insertions, 3 deletions

diff --git a/shard/lib/net/tcpconn.ex b/shard/lib/net/tcpconn.ex
index 7025ffe..21d25df 100644
--- a/shard/lib/net/tcpconn.ex
+++ b/shard/lib/net/tcpconn.ex
@@ -47,7 +47,10 @@ defmodule SNet.TCPConn do
 
   def handle_cast(:client_handshake, state) do
     {:inet, ip, port} = state.connect_to
-    {:ok, socket} = :gen_tcp.connect(ip, port, [:binary, packet: 2, active: false])
+    socket = case :gen_tcp.connect(ip, port, [:binary, packet: 2, active: false]) do
+      {:ok, socket} -> socket
+      _ -> exit(:normal) # ignore connection errors
+    end
 
     net_key = Application.get_env(:shard, :network_key)
     %{public: cli_eph_pk, secret: cli_eph_sk} = :enacl.box_keypair
@@ -152,7 +155,7 @@ defmodule SNet.TCPConn do
         Logger.info "New peer: #{print_id state} at #{inspect addr}:#{port}"
         {:noreply, state}
       :redundant ->
-        exit :redundant
+        exit(:normal)
     end
   end
 
@@ -280,7 +283,7 @@ defmodule SNet.TCPConn do
         Logger.info "New peer: #{print_id state} at #{inspect state.peer_info} (#{port})"
         {:noreply, state}
       :redundant ->
-        exit(:redundant)
+        exit(:normal)
     end
   end