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Cleanup section filter code.

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This commit is contained in:
Rolf Ahrenberg 2017-10-01 19:29:39 +03:00
parent ae403212f7
commit b004793ef3
1 changed files with 28 additions and 23 deletions
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51
sectionfilter.c
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@ -129,7 +129,7 @@ int cSatipSectionFilter::CopyDump(const uint8_t *bufP, uint8_t lenP)
if (tsFeedpM + lenP > eDmxMaxSectionFeedSize)
lenP = (uint8_t)(eDmxMaxSectionFeedSize - tsFeedpM);
if (lenP <= 0)
if (lenP == 0)
return 0;
memcpy(secBufBaseM + tsFeedpM, bufP, lenP);
@ -144,7 +144,7 @@ int cSatipSectionFilter::CopyDump(const uint8_t *bufP, uint8_t lenP)
for (n = 0; secBufpM + 2 < limit; ++n) {
uint16_t seclen = GetLength(secBufM);
if ((seclen <= 0) || (seclen > eDmxMaxSectionSize) || ((seclen + secBufpM) > limit))
if ((seclen > eDmxMaxSectionSize) || ((seclen + secBufpM) > limit))
return 0;
secLenM = seclen;
if (pusiSeenM)
@ -273,36 +273,43 @@ cSatipSectionFilterHandler::~cSatipSectionFilterHandler()
void cSatipSectionFilterHandler::SendAll(void)
{
while (true) {
// zero polling structures
memset(pollFdsM, 0, sizeof(pollFdsM));
cMutexLock MutexLock(&mutexM);
bool retry;
do {
retry = false;
// assemble all handlers to poll
for (unsigned int i = 0; i < eMaxSecFilterCount; ++i) {
if (filtersM[i] && filtersM[i]->Available() != 0) {
pollFdsM[i].fd = filtersM[i]->GetFd();
pollFdsM[i].events = POLLOUT;
}
// zero polling structures
memset(pollFdsM, 0, sizeof(pollFdsM));
// assemble all handlers to poll
for (unsigned int i = 0; i < eMaxSecFilterCount; ++i) {
if (filtersM[i] && filtersM[i]->Available() != 0) {
pollFdsM[i].fd = filtersM[i]->GetFd();
pollFdsM[i].events = POLLOUT;
}
}
// anyone ready for writing
if (poll(pollFdsM, eMaxSecFilterCount, eSecFilterSendTimeoutMs) <= 0)
return;
// anyone ready for writing
if (poll(pollFdsM, eMaxSecFilterCount, eSecFilterSendTimeoutMs) <= 0)
return;
// send data
for (unsigned int i = 0; i < eMaxSecFilterCount; ++i) {
if (pollFdsM[i].revents & POLLOUT)
filtersM[i]->Send();
}
}
// send data
for (unsigned int i = 0; i < eMaxSecFilterCount; ++i) {
if (pollFdsM[i].revents & POLLOUT)
filtersM[i]->Send();
if (!retry && filtersM[i] && filtersM[i]->Available() != 0)
retry = true;
}
} while (retry);
}
void cSatipSectionFilterHandler::Action(void)
{
debug1("%s Entering [device %d]", __PRETTY_FUNCTION__, deviceIndexM);
// Do the thread loop
uchar *p = NULL;
while (Running()) {
uchar *p = NULL;
int len = 0;
// Process all pending TS packets
while ((p = ringBufferM->Get(len)) != NULL) {
@ -330,9 +337,7 @@ void cSatipSectionFilterHandler::Action(void)
}
// Send demuxed section packets through all filters
mutexM.Lock();
SendAll();
mutexM.Unlock();
}
debug1("%s Exiting [device %d]", __PRETTY_FUNCTION__, deviceIndexM);
}