On Tue October 25 2011, Akanksha Shukla wrote:
> Hi Stephen,
>
>
>
> I added debug code as:
>
>
>
> int retryCounter = 0;
>
> while(retryCounter < CONNECT_MAX_TRY)
>
> {
>
> int retVal = BIO_do_connect(conn);
>
> if(retVal <= 0)
>
> {
>
> if(BIO_should_retry(conn))
>
> {
>
> retryCounter++;
>
> sleep(CONNECT_SLEEP_INTERVAL);
>
> FILE * pFile;
>
> pFile = fopen ("result_retry.txt","a");
>
> if (pFile!=NULL)
>
> {
>
> ERR_print_errors_fp(pFile);
>
> }
>
> continue;
>
> }
>
> else
>
> {
>
>
>
> FILE * pFile1;
>
> pFile1 = fopen ("result.txt","a");
>
> if (pFile1!=NULL)
>
> {
>
> ERR_print_errors_fp(pFile1);
>
> }
>
> cout << " The Bio_do_connect failed" << endl;
>
>
>
> }
>
> }
>
> }
>
>
>
> After execution of program, I saw that only "result.txt" file is getting
> created and not the "result_retry.txt" file which clarifies that the retry
> logic is working fine. Problem comes when retry counter reaches its max
> value and Bio_do_connect() gets failed. Though my understanding might be
> wrong here.
>
>
>
> But the main problem which I encountered today is that nothing is being
> written in the file "result.txt" and I am also hoping that I am using the
> ERR_print_errors_fp() function in correct way. The file is blank. Then just
> to make sure that pFile1 handle returned as Not NULL and we are entering
> inside the if check, I added statement
>
> If(pfile1! = NULL)
>
> {
>
> fputs ("fopen example",pFile);
>
> //ERR_print_errors_fp(pFile1);
>
> }
>
>
>
> And this time, I could see that "fopen example" is being written to
> result.txt file successfully.
>
>
>
> So, could you please suggest what mistake I am doing here that SSL errors
> are not being getting written in file and also any other suggestions to try
> out.
>
Q? How many times do you intend to open that file inside of the
while loop without ever flushing or closing it?
Mike
>
>
> Thanks
>
> Akanksha Shukla.
>
>
>
> -----Original Message-----
> From: owner-openssl-us...@openssl.org
> [mailto:owner-openssl-us...@openssl.org] On Behalf Of Dr. Stephen Henson
> Sent: Tuesday, October 25, 2011 4:34 AM
> To: openssl-users@openssl.org
> Subject: Re: Open SSL API's Support For IPv6.
>
>
>
> On Sun, Oct 23, 2011, Akanksha Shukla wrote:
>
>
>
> > Hi Stephen,
>
> >
>
> >
>
> >
>
> > I tried with retry logic as well (though earlier it was also same), but
> same
>
> > result.
>
> >
>
> >
>
> >
>
> > int retryCounter = 0;
>
> >
>
> > while(retryCounter < CONNECT_MAX_TRY)
>
> >
>
> > {
>
> >
>
> > int retVal = BIO_do_connect(conn);
>
> >
>
> > if(retVal <= 0)
>
> >
>
> > {
>
> >
>
> > if(BIO_should_retry(conn))
>
> >
>
> > {
>
> >
>
> > retryCounter++;
>
> >
>
> > sleep(CONNECT_SLEEP_INTERVAL);
>
> >
>
> > continue;
>
> >
>
> > }
>
> >
>
> > else
>
> >
>
> > {
>
> >
>
> > cout << " The Bio_do_connect failed" << endl;
>
> >
>
> >
>
> >
>
> > }
>
> >
>
> > }
>
> >
>
> > }
>
> >
>
> >
>
> >
>
> > Just wanted to let you know that this piece of code is same at time when I
>
> > used BIO_new_connect() followed by BIO_set_nbio() and Bio_do_connect()
> with
>
> > similar code mentioned above, then things were working fine. This time
>
> > rather than using Bio_new_connect(), I used socket(), connect() and
>
> > Bio_new_socket() API call followed by bio_set_nbio() and Bio_do_connect()
>
> > (as suggested by you), then things started failing.
>
> >
>
> >
>
> >
>
> > Please let me know if you have any suggestions or help me in pointing out
>
> > the issue.
>
> >
>
> >
>
>
>
> Try adding some more debugging code to see if it actually does retry and
> also
>
> if it fails call the OpenSSL ERR library to print out any useful message.
> For
>
> example ERR_print_errors_fp(stderr);
>
>
>
> Steve.
>
> --
>
> Dr Stephen N. Henson. OpenSSL project core developer.
>
> Commercial tech support now available see: http://www.openssl.org
>
> ______________________________________________________________________
>
> OpenSSL Project http://www.openssl.org
>
> User Support Mailing List openssl-users@openssl.org
>
> Automated List Manager majord...@openssl.org
>
>
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