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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (AMQCPP-444) Exception too general
Date Sat, 05 Jan 2013 19:16:13 GMT

     [ https://issues.apache.org/jira/browse/AMQCPP-444?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Timothy Bish closed AMQCPP-444.
-------------------------------

    Resolution: Incomplete

Patch writes to std err which we don't do, and also we already try to get error data from
OpenSSL.  If the current mechanism isn't getting the right errors strings a patch for that
would make more sense. 
                
> Exception too general
> ---------------------
>
>                 Key: AMQCPP-444
>                 URL: https://issues.apache.org/jira/browse/AMQCPP-444
>             Project: ActiveMQ C++ Client
>          Issue Type: Improvement
>          Components: Decaf
>    Affects Versions: 3.4.5
>         Environment: HPUX 11.31 but all
>            Reporter: Jeffrey B
>            Assignee: Timothy Bish
>            Priority: Minor
>              Labels: exception-reporting, ssl
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> In decaf/internal/net/ssl/openssl/OpenSSLSocket.cpp the function OpenSSLSocket::write
after the call to SSL_write, the switch statement goes across possible errors and throws exceptions
if necessary, but there are many more errors that what is checked for.  My program was getting
SSL_ERROR_SYSCALL, but was just being thrown as the default.
> I added some code, its not the best messages, but you can change that
> {noformat}
> switch( SSL_get_error( this->parameters->getSSL(), written ) ) {
>                 case SSL_ERROR_NONE:
>                     offset += written;
>                     remaining -= written;
>                     break;
>                 case SSL_ERROR_ZERO_RETURN:
>                     throw SocketException(
>                         __FILE__, __LINE__,
>                         "The connection was broken unexpectedly." );
>                 case SSL_ERROR_WANT_WRITE:
>                     fprintf(stderr, "Err_get_error()=%d\n", ERR_get_error());
>                     throw SocketException(
>                         __FILE__, __LINE__,
>                         "The exception was WANT_WRITE." );
>                     break;
>                 case SSL_ERROR_WANT_READ:
>                     fprintf(stderr, "Err_get_error()=%d\n", ERR_get_error());
>                     throw SocketException(
>                         __FILE__, __LINE__,
>                         "The exception was WANT_READ." );
>                     break;
>                 case SSL_ERROR_WANT_X509_LOOKUP:
>                     fprintf(stderr, "Err_get_error()=%d\n", ERR_get_error());
>                     throw SocketException(
>                         __FILE__, __LINE__,
>                         "The Exception was WANT_X509_LOOKUP." );
>                     break;
>                 case SSL_ERROR_SYSCALL:
>                     fprintf(stderr, "Err_get_error()=%d\n", ERR_get_error());
>                     fprintf(stderr, "errno=%d", errno);
>                     throw SocketException(
>                         __FILE__, __LINE__,
>                         "The Exception was ERROR_SYSCALL. ret=%d", written ); 
>                     break;
>                 case SSL_ERROR_SSL:
>                     fprintf(stderr, "Err_get_error()=%d\n", ERR_get_error());
>                     throw SocketException(
>                         __FILE__, __LINE__,
>                         "The Exception was general ERROR_SSL" );
>                     break;
>                 default:
>                     fprintf(stderr, "Err_get_error()=%d\n", ERR_get_error());
>                     throw OpenSSLSocketException( __FILE__, __LINE__, "Default case,
I cannot happen now" );
>                     break;
>             }
> {noformat}
> You also need to include errno.h and openssl/err.h for some for some of the messages
I was printing.
> Thanks and please add something similar to the trunk if no objection.

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