/**
* @interface_method_impl{RTVFSIOSTREAMOPS,pfnPollOne}
*/
static DECLCALLBACK(int) rtZipGzip_PollOne(void *pvThis, uint32_t fEvents, RTMSINTERVAL cMillies, bool fIntr,
uint32_t *pfRetEvents)
{
PRTZIPGZIPSTREAM pThis = (PRTZIPGZIPSTREAM)pvThis;
/*
* Collect our own events first and see if that satisfies the request. If
* not forward the call to the compressed stream.
*/
uint32_t fRetEvents = 0;
if (pThis->fFatalError)
fRetEvents |= RTPOLL_EVT_ERROR;
if (pThis->fDecompress)
{
fEvents &= ~RTPOLL_EVT_WRITE;
if (pThis->Zlib.avail_in > 0)
fRetEvents = RTPOLL_EVT_READ;
}
else
{
fEvents &= ~RTPOLL_EVT_READ;
if (pThis->Zlib.avail_out > 0)
fRetEvents = RTPOLL_EVT_WRITE;
}
int rc = VINF_SUCCESS;
fRetEvents &= fEvents;
if (!fRetEvents)
rc = RTVfsIoStrmPoll(pThis->hVfsIos, fEvents, cMillies, fIntr, pfRetEvents);
return rc;
}
/**
* @interface_method_impl{RTVFSIOSTREAMOPS,pfnPollOne}
*/
static DECLCALLBACK(int) rtZipTarFssIos_PollOne(void *pvThis, uint32_t fEvents, RTMSINTERVAL cMillies, bool fIntr,
uint32_t *pfRetEvents)
{
PRTZIPTARIOSTREAM pThis = (PRTZIPTARIOSTREAM)pvThis;
/* When we've reached the end, read will be set to indicate it. */
if ( (fEvents & RTPOLL_EVT_READ)
&& pThis->fEndOfStream)
{
int rc = RTVfsIoStrmPoll(pThis->hVfsIos, fEvents, 0, fIntr, pfRetEvents);
if (RT_SUCCESS(rc))
*pfRetEvents |= RTPOLL_EVT_READ;
else
*pfRetEvents = RTPOLL_EVT_READ;
return VINF_SUCCESS;
}
return RTVfsIoStrmPoll(pThis->hVfsIos, fEvents, cMillies, fIntr, pfRetEvents);
}
/**
* @interface_method_impl{RTVFSIOSTREAMOPS,pfnPollOne}
*/
static DECLCALLBACK(int) rtManifestPtIos_PollOne(void *pvThis, uint32_t fEvents, RTMSINTERVAL cMillies, bool fIntr,
uint32_t *pfRetEvents)
{
PRTMANIFESTPTIOS pThis = (PRTMANIFESTPTIOS)pvThis;
return RTVfsIoStrmPoll(pThis->hVfsIos, fEvents, cMillies, fIntr, pfRetEvents);
}
