BIND 10 trac2617, created. fe0db0adf0796432ace4794c157efc2bfb79e008 [2617] make sure error info isn't lost on socket.error in getbytes()

[BIND 10 source code commits]

The branch, trac2617 has been created
        at  fe0db0adf0796432ace4794c157efc2bfb79e008 (commit)

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commit fe0db0adf0796432ace4794c157efc2bfb79e008
Author: JINMEI Tatuya <jinmei at isc.org>
Date:   Wed Jan 30 13:46:17 2013 -0800

    [2617] make sure error info isn't lost on socket.error in getbytes()
    
    the previous code (probably unintentionally) converted it to an empty
    socket.error, resulting in useless debug message.

commit 269cd1867284c4ebf44ebabacadc99c6413bcacb
Author: JINMEI Tatuya <jinmei at isc.org>
Date:   Wed Jan 30 13:45:04 2013 -0800

    [2617] added a debug message on session establishment with lname. debug aid.

commit ed8243603f26e46d8ae48f0fb4bac7545c5ff4c9
Author: JINMEI Tatuya <jinmei at isc.org>
Date:   Wed Jan 30 13:31:10 2013 -0800

    [2617] log lname after establishing cc session; for debug aid

commit 583de5551d162a5feb89bf5759e573b32d80f142
Author: JINMEI Tatuya <jinmei at isc.org>
Date:   Wed Jan 30 13:29:20 2013 -0800

    [2617] extend python cc module so it logs some events, and log local lname
    
    this is for debugging the issue of this task, but will be useful in general.

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