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Fixed SSL write failures not being handled properly.

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This commit is contained in:
Markus Makela
2015-09-10 18:36:59 +03:00
parent 7d00a3670d
commit 96fdb5eb8d
1 changed files with 23 additions and 18 deletions
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23
server/core/dcb.c
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@ -108,7 +108,7 @@ static inline void dcb_write_fake_code(DCB *dcb);
static inline void dcb_write_when_already_queued(DCB *dcb, GWBUF *queue);
static void dcb_log_write_failure(DCB *dcb, GWBUF *queue, int eno);
static inline void dcb_write_tidy_up(DCB *dcb, bool below_water);
static int dcb_write_SSL_error_report (DCB *dcb, int ret);
static void dcb_write_SSL_error_report (DCB *dcb, int ret, int ssl_errno);
size_t dcb_get_session_id(
DCB *dcb)
@ -1460,7 +1460,8 @@ dcb_write_SSL(DCB *dcb, GWBUF *queue)
if (w <= 0)
{
int ssl_errno = dcb_write_SSL_error_report (dcb, w);
int ssl_errno = SSL_get_error (dcb->ssl, w);
dcb_write_SSL_error_report (dcb, w, ssl_errno);
if (ssl_errno != SSL_ERROR_WANT_WRITE)
{
atomic_add (&dcb->writeqlen, gwbuf_length (queue));
@ -1468,8 +1469,15 @@ dcb_write_SSL(DCB *dcb, GWBUF *queue)
dcb_write_tidy_up (dcb, below_water);
return 1;
}
#ifdef SS_DEBUG
else
{
skygw_log_write (LD, "SSL error: SSL_ERROR_WANT_WRITE, retrying SSL_write...");
}
} while(w <= 0);
#endif
}
}
while(w <= 0);
/** Remove written bytes from the queue */
queue = gwbuf_consume(queue, w);
@ -1501,14 +1509,12 @@ dcb_write_SSL(DCB *dcb, GWBUF *queue)
*
* @param dcb The DCB of the client
* @param ret The SSL operation return code
* @return The final SSL error number
* @param ssl_errno The SSL error code
*/
static int
dcb_write_SSL_error_report (DCB *dcb, int ret)
static void
dcb_write_SSL_error_report (DCB *dcb, int ret, int ssl_errno)
{
int ssl_errno;
char errbuf[STRERROR_BUFLEN];
ssl_errno = SSL_get_error(dcb->ssl,ret);
if (LOG_IS_ENABLED(LOGFILE_DEBUG))
{
@ -1587,7 +1593,6 @@ dcb_write_SSL_error_report (DCB *dcb, int ret)
} while((ssl_errno = ERR_get_error()) != 0);
}
}
return SSL_ERROR_NONE;
}
/**