From 5f25e92a2da4f53dfa5aeca04db57b5ceaf1820f Mon Sep 17 00:00:00 2001
From: Brian Warner <warner@lothar.com>
Date: Wed, 20 Apr 2016 12:02:07 -0700
Subject: [PATCH] cmd_send.py: add note about future speedup opportunity

---
 src/wormhole_cli/cmd_send.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/wormhole_cli/cmd_send.py b/src/wormhole_cli/cmd_send.py
index 99791cb..633c9aa 100644
--- a/src/wormhole_cli/cmd_send.py
+++ b/src/wormhole_cli/cmd_send.py
@@ -99,6 +99,8 @@ def build_phase1_data(args):
 def send_twisted(args, reactor=reactor):
     assert isinstance(args.relay_url, type(u""))
     handle_zero(args)
+    # TODO: parallelize the roundtrip that allocates the channel with the
+    # (blocking) local IO (file os.stat, zipfile generation)
     phase1, fd_to_send = build_phase1_data(args)
     other_cmd = build_other_command(args)
     print(u"On the other computer, please run: %s" % other_cmd,