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-rw-r--r--lib/rainbows/event_machine/response_pipe.rb28
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/rainbows/event_machine/response_pipe.rb b/lib/rainbows/event_machine/response_pipe.rb
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+++ b/lib/rainbows/event_machine/response_pipe.rb
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+# -*- encoding: binary -*-
+# :enddoc:
+module Rainbows::EventMachine::ResponsePipe
+  # garbage avoidance, EM always uses this in a single thread,
+  # so a single buffer for all clients will work safely
+  BUF = ''
+
+  def initialize(client, alive)
+    @client, @alive = client, alive
+  end
+
+  def notify_readable
+    begin
+      @client.write(@io.read_nonblock(16384, BUF))
+    rescue Errno::EINTR
+    rescue Errno::EAGAIN
+      return
+    rescue EOFError
+      detach
+      return
+    end while true
+  end
+
+  def unbind
+    @client.quit unless @alive
+    @io.close
+  end
+end