BIND 10 #2784: perfdhcp cores when given command line "-6" and v4 server address

[BIND 10 Development]

#2784: perfdhcp cores when given command line "-6" and v4 server address
-------------------------------------+-------------------------------------
                   Reporter:  tmark  |                 Owner:
                       Type:         |                Status:  new
  defect                             |             Milestone:  DHCP
                   Priority:         |  Outstanding Tasks
  medium                             |              Keywords:
                  Component:         |             Sensitive:  0
  perfdhcp                           |           Sub-Project:  DNS
               CVSS Scoring:         |  Estimated Difficulty:  0
            Defect Severity:  N/A    |           Total Hours:  0
Feature Depending on Ticket:         |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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 If you give perfdhcp mismatched protocol (-6) and server address v4 it
 core dumps as shown in the stdout capture below:

 --------------------------------------------------------------------------------
 Running: perfdhcp -6 -l eth1 -n 5 -r 1 -x aeistT 172.16.1.1
 IPv6
 :
 terminate called after throwing an instance of
 'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<std::bad_cast>
 >'
   what():  std::bad_cast
 Aborted (core dumped)
 retval is 134
 --------------------------------------------------------------------------------

 If you give it -4 with v6 address it gracefully handles the error:

 --------------------------------------------------------------------------------
 Running: perfdhcp -4 -l eth1 -n 5 -r 1 -x aeistT fe80::20c:29ff:fea5:954a
 IPv4
 :
 Error running perfdhcp: Can't convert fe80::20c:29ff:fea5:954a address to
 IPv4.
 retval is 1
 --------------------------------------------------------------------------------

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Ticket URL: <http://bind10.isc.org/ticket/2784>
BIND 10 Development <http://bind10.isc.org>
BIND 10 Development