jeg2	2008-05-01 23:57:40 +0900 (Thu, 01 May 2008)

  New Revision: 16257

  Modified files:
    trunk/lib/net/telnet.rb

  Log:
    * lib/net/telnet.rb:  This patch from Brian Candler adds a FailEOF mode which
      can be activated to have net/telnet raise EOFError exceptions when the 
      remote connection is closed.  The default behavior remains unchanged though.
    


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/lib/net/telnet.rb?r1=16257&r2=16256&diff_format=u

Index: lib/net/telnet.rb
===================================================================
--- lib/net/telnet.rb	(revision 16256)
+++ lib/net/telnet.rb	(revision 16257)
@@ -523,10 +523,15 @@
     #            value specified when this instance was created will be
     #            used, or, failing that, the default value of 0 seconds,
     #            which means not to wait for more input.
+    # FailEOF:: if true, when the remote end closes the connection then an
+    #           EOFError will be raised. Otherwise, defaults to the old
+    #           behaviour that the function will return whatever data
+    #           has been received already, or nil if nothing was received.
     #           
     def waitfor(options) # :yield: recvdata
       time_out = @options["Timeout"]
       waittime = @options["Waittime"]
+      fail_eof = @options["FailEOF"]
 
       if options.kind_of?(Hash)
         prompt   = if options.has_key?("Match")
@@ -538,6 +543,7 @@
                    end
         time_out = options["Timeout"]  if options.has_key?("Timeout")
         waittime = options["Waittime"] if options.has_key?("Waittime")
+        fail_eof = options["FailEOF"]  if options.has_key?("FailEOF")
       else
         prompt = options
       end
@@ -589,6 +595,7 @@
           line += buf
           yield buf if block_given?
         rescue EOFError # End of file reached
+          raise if fail_eof
           if line == ''
             line = nil
             yield nil if block_given?

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