diff options
Diffstat (limited to 'runtime/nsdsel_gtls.c')
| -rw-r--r-- | runtime/nsdsel_gtls.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/runtime/nsdsel_gtls.c b/runtime/nsdsel_gtls.c index c3a93bee..1a389a00 100644 --- a/runtime/nsdsel_gtls.c +++ b/runtime/nsdsel_gtls.c @@ -76,6 +76,9 @@ Add(nsdsel_t *pNsdsel, nsd_t *pNsd, nsdsel_waitOp_t waitOp) if(pNsdGTLS->iMode == 1) { if(waitOp == NSDSEL_RD && gtlsHasRcvInBuffer(pNsdGTLS)) { ++pThis->iBufferRcvReady; + dbgprintf("nsdsel_gtls: data already present in buffer, initiating " + "dummy select %p->iBufferRcvReady=%d\n", + pThis, pThis->iBufferRcvReady); FINALIZE; } if(pNsdGTLS->rtryCall != gtlsRtry_None) { @@ -109,6 +112,7 @@ Select(nsdsel_t *pNsdsel, int *piNumReady) if(pThis->iBufferRcvReady > 0) { /* we still have data ready! */ *piNumReady = pThis->iBufferRcvReady; + dbgprintf("nsdsel_gtls: doing dummy select, data present\n"); } else { iRet = nsdsel_ptcp.Select(pThis->pTcp, piNumReady); } @@ -190,6 +194,9 @@ IsReady(nsdsel_t *pNsdsel, nsd_t *pNsd, nsdsel_waitOp_t waitOp, int *pbIsReady) if(pNsdGTLS->iMode == 1) { if(waitOp == NSDSEL_RD && gtlsHasRcvInBuffer(pNsdGTLS)) { *pbIsReady = 1; + --pThis->iBufferRcvReady; /* one "pseudo-read" less */ + dbgprintf("nsdl_gtls: dummy read, decermenting %p->iBufRcvReady, now %d\n", + pThis, pThis->iBufferRcvReady); FINALIZE; } if(pNsdGTLS->rtryCall != gtlsRtry_None) { @@ -200,6 +207,16 @@ IsReady(nsdsel_t *pNsdsel, nsd_t *pNsd, nsdsel_waitOp_t waitOp, int *pbIsReady) *pbIsReady = 0; FINALIZE; } + /* now we must ensure that we do not fall back to PTCP if we have + * done a "dummy" select. In that case, we know when the predicate + * is not matched here, we do not have data available for this + * socket. -- rgerhards, 2010-11-20 + */ + if(pThis->iBufferRcvReady) { + dbgprintf("nsd_gtls: dummy read, buffer not available for this FD\n"); + *pbIsReady = 0; + FINALIZE; + } } CHKiRet(nsdsel_ptcp.IsReady(pThis->pTcp, pNsdGTLS->pTcp, waitOp, pbIsReady)); |