On 05/03/2008, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> Author: rwinston
>  Date: Wed Mar  5 01:25:48 2008
>  New Revision: 633798
>
>  URL: http://svn.apache.org/viewvc?rev=633798&view=rev
>  Log:
>  Add missing patch (NET-73)
>
>  Modified:
>     
> commons/proper/net/branches/NET_2_0/src/main/java/org/apache/commons/net/telnet/TelnetInputStream.java
>
>  Modified: 
> commons/proper/net/branches/NET_2_0/src/main/java/org/apache/commons/net/telnet/TelnetInputStream.java
>  URL: 
> http://svn.apache.org/viewvc/commons/proper/net/branches/NET_2_0/src/main/java/org/apache/commons/net/telnet/TelnetInputStream.java?rev=633798&r1=633797&r2=633798&view=diff
>  
> ==============================================================================
>  --- 
> commons/proper/net/branches/NET_2_0/src/main/java/org/apache/commons/net/telnet/TelnetInputStream.java
>  (original)
>  +++ 
> commons/proper/net/branches/NET_2_0/src/main/java/org/apache/commons/net/telnet/TelnetInputStream.java
>  Wed Mar  5 01:25:48 2008
>  @@ -106,14 +106,19 @@
>      // TelnetOutputStream writing through the telnet client at same time
>      // as a processDo/Will/etc. command invoked from TelnetInputStream
>      // tries to write.
>  -    private int __read() throws IOException
>  +    private int __read(boolean mayBlock) throws IOException
>      {
>          int ch;
>
>   _loop:

BTW, the _loop: label is not used (in either version of the class).

>          while (true)
>          {
>  -            // Exit only when we reach end of stream.
>  +
>  +            // If there is no more data AND we were told not to block, just 
> return -2. (More efficient than exception.)
>  +            if(!mayBlock && super.available() == 0)
>  +                return -2;
>  +
>  +            // Otherwise, exit only when we reach end of stream.
>              if ((ch = super.read()) < 0)
>                  return -1;
>
>  @@ -360,12 +365,13 @@
>                          //__alreadyread = false;
>                          __readIsWaiting = true;
>                          int ch;
>  -
>  +                        boolean mayBlock = true;       // block on the 
> first read only
>  +
>                          do
>                          {
>                              try
>                              {
>  -                                if ((ch = __read()) < 0)
>  +                                if ((ch = __read(mayBlock)) < 0)
>                                      if(ch != -2)
>                                          return (ch);
>                              }
>  @@ -399,6 +405,11 @@
>                                  if (__isClosed)
>                                      return (-1);
>                              }
>  +
>  +                            // Reads should not block on subsequent 
> iterations. Potentially, this could happen if the
>  +                            // remaining buffered socket data consists 
> entirely of Telnet command sequence and no "user" data.
>  +                            mayBlock = false;
>  +
>                          }
>                          // Continue reading as long as there is data 
> available and the queue is not full.
>                          while (super.available() > 0 && __bytesAvailable < 
> __queue.length - 1);
>  @@ -544,7 +555,7 @@
>              {
>                  try
>                  {
>  -                    if ((ch = __read()) < 0)
>  +                    if ((ch = __read(true)) < 0)
>                          break;
>                  }
>                  catch (InterruptedIOException e)
>
>
>

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