cleanup: consolidate write_nonblock error handling

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/rainbows/error.rb b/lib/rainbows/error.rb
index 2d8cd94..1e25626 100644
--- a/lib/rainbows/error.rb
+++ b/lib/rainbows/error.rb
@@ -4,6 +4,15 @@ module Rainbows
   class Error
     class << self
 
+      # if we get any error, try to write something back to the client
+      # assuming we haven't closed the socket, but don't get hung up
+      # if the socket is already closed or broken.  We'll always ensure
+      # the socket is closed at the end of this function
+      def write(io, e)
+        msg = Error.response(e) and io.write_nonblock(msg)
+        rescue
+      end
+
       def app(e)
         G.server.logger.error "app error: #{e.inspect}"
         G.server.logger.error e.backtrace.join("\n")