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From andr...@welchlin.de
Subject Re: C++ messaging API: SASL mechanism not set correctly
Date Thu, 27 Aug 2015 13:00:45 GMT
Hi Gordon,
thank you for your answer. I am using gcc 4.4.7 on a CentOs system. 

Regards,
Andreas

Am 27. August 2015 11:50:06 MESZ, schrieb Gordon Sim <gsim@redhat.com>:
>On 08/26/2015 01:40 PM, Andreas Welchlin wrote:
>> Hello,
>>
>> I tried to connect to a AMQP Broker via SSL using AMQP 0.10.
>>
>> I used C++ and the Qpid Messaging API version 0.28.
>>
>> It seems like I set the SASL mechanism in a wrong way.
>>
>> I tried the following:
>>
>> const char* QPID_OPTION_TRANSPORT = "transport";
>> const char* QPID_OPTION_SASL_MECHANISMS = "sasl_mechanisms";
>>
>> mConnection = new Connection("amqp:ssl:<ipaddress>");
>> mConnection->setOption(QPID_OPTION_SASL_MECHANISMS, "EXTERNAL");
>> mConnection->setOption(QPID_OPTION_TRANSPORT, "ssl");
>> mConnection->open();
>>
>>
>> The logfile says:
>>
>> Starting connection, urls=[amqp:ssl:<ipaddress>]
>> Trying to connect to amqp:ssl:<ipaddress>...
>> Created IO thread: 0
>> SslConnector created for 0-10
>> Connecting: 90.162.253.101:10170
>> RECV [[172.17.97.139:46893-<ipaddress>]]: INIT(0-10)
>> Exception constructed: Desired mechanism(s) not valid: True
>(supported:
>> EXTERNAL) (qpid/client/ConnectionHandler.cpp:260)
>
>The problem here seems to be that the desired mechanism is somehow
>being 
>treated as a boolean, which is converted to "True" when converting to a
>
>string.
>
>I can't seem to reproduce this using the code you have above, even 
>against 0.28. What compiler are you using?
>
>(One unrelated point is that you don't need to use new and explicitly 
>have a pointer to the connection. The Connection class is a handle that
>
>allows you to pass it around and internally it maintains the necessary 
>reference counting).
>
>> Closing connection due to Desired mechanism(s) not valid: True
>> (supported: EXTERNAL) (qpid/client/ConnectionHandler.cpp:260)
>> Exception constructed: Desired mechanism(s) not valid: True
>(supported:
>> EXTERNAL) (qpid/client/ConnectionHandler.cpp:260)
>> Exception constructed: Desired mechanism(s) not valid: True
>(supported:
>> EXTERNAL) (qpid/client/ConnectionHandler.cpp:260)
>>
>>
>> What am I doing wrong? Would it help if I set the SASL mechanism like
>this:
>>
>> mConnection = new Connection(brokerUrl,
>> "{transport:ssl,sasl-mechanism:EXTERNAL}");
>
>
>
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