hydrar/mistserver
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Change VoD data page logic to use wallclock seconds rather than loop iterations for timeouts

Browse source
This commit is contained in:
Thulinma 2022-08-18 15:45:46 +02:00
parent 44c2809733
commit 747438746c
2 changed files with 24 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

32
src/input/input.cpp
View file

@ -1022,28 +1022,42 @@ namespace Mist{
} }
void Input::removeUnused(){ void Input::removeUnused(){
uint64_t cTime = Util::bootSecs();
std::set<size_t> validTracks = M.getValidTracks(); std::set<size_t> validTracks = M.getValidTracks();
std::map<size_t, std::set<uint32_t> > checkedPages;
for (std::set<size_t>::iterator it = validTracks.begin(); it != validTracks.end(); ++it){ for (std::set<size_t>::iterator it = validTracks.begin(); it != validTracks.end(); ++it){
Util::RelAccX &tPages = meta.pages(*it); Util::RelAccX &tPages = meta.pages(*it);
for (size_t i = tPages.getDeleted(); i < tPages.getEndPos(); i++){ for (size_t i = tPages.getDeleted(); i < tPages.getEndPos(); i++){
uint64_t pageNum = tPages.getInt("firstkey", i); uint64_t pageNum = tPages.getInt("firstkey", i);
checkedPages[*it].insert(pageNum);
if (pageCounter[*it].count(pageNum)){ if (pageCounter[*it].count(pageNum)){
// If the page is still being written to, reset the counter rather than potentially unloading it // If the page is still being written to, reset the counter rather than potentially unloading it
if (isCurrentLivePage(*it, pageNum)){ if (isCurrentLivePage(*it, pageNum)){
pageCounter[*it][pageNum] = DEFAULT_PAGE_TIMEOUT; pageCounter[*it][pageNum] = cTime;
continue; continue;
} }
--pageCounter[*it][pageNum]; if (cTime > pageCounter[*it][pageNum] + DEFAULT_PAGE_TIMEOUT){
if (!pageCounter[*it][pageNum]){
pageCounter[*it].erase(pageNum); pageCounter[*it].erase(pageNum);
bufferRemove(*it, pageNum); bufferRemove(*it, pageNum);
} }
} }else{
else{ pageCounter[*it][pageNum] = cTime;
pageCounter[*it][pageNum] = DEFAULT_PAGE_TIMEOUT;
} }
} }
} }
//Check pages we buffered but forgot about
for (std::map<size_t, std::map<uint32_t, size_t> >::iterator it = pageCounter.begin();
it != pageCounter.end(); it++){
for (std::map<uint32_t, size_t>::iterator it2 = it->second.begin(); it2 != it->second.end(); it2++){
if (!checkedPages.count(it->first) || !checkedPages[it->first].count(it2->first)){
INFO_MSG("Deleting forgotten page %zu:%" PRIu32, it->first, it2->first);
bufferRemove(it->first, it2->first);
it->second.erase(it2);
it2 = it->second.begin();
}
}
}
} }
std::string formatGUID(const std::string &val){ std::string formatGUID(const std::string &val){
@ -1290,8 +1304,8 @@ namespace Mist{
} }
uint32_t pageNumber = tPages.getInt("firstkey", pageIdx); uint32_t pageNumber = tPages.getInt("firstkey", pageIdx);
if (isBuffered(idx, pageNumber, meta)){ if (isBuffered(idx, pageNumber, meta)){
// Mark the page for removal after 15 seconds of no one watching it // Mark the page as still actively requested
pageCounter[idx][pageNumber] = DEFAULT_PAGE_TIMEOUT; pageCounter[idx][pageNumber] = Util::bootSecs();
DONTEVEN_MSG("Track %zu, key %" PRIu32 " is already buffered in page %" PRIu32 DONTEVEN_MSG("Track %zu, key %" PRIu32 " is already buffered in page %" PRIu32
". Cancelling bufferFrame", ". Cancelling bufferFrame",
idx, keyNum, pageNumber); idx, keyNum, pageNumber);
@ -1432,7 +1446,7 @@ namespace Mist{
idx, pageNumber, tPages.getInt("firsttime", pageIdx), thisTime, bufferTimer); idx, pageNumber, tPages.getInt("firsttime", pageIdx), thisTime, bufferTimer);
INFO_MSG(" (%" PRIu32 "/%" PRIu64 " parts, %" PRIu64 " bytes)", packCounter, INFO_MSG(" (%" PRIu32 "/%" PRIu64 " parts, %" PRIu64 " bytes)", packCounter,
tPages.getInt("parts", pageIdx), byteCounter); tPages.getInt("parts", pageIdx), byteCounter);
pageCounter[idx][pageNumber] = DEFAULT_PAGE_TIMEOUT; pageCounter[idx][pageNumber] = Util::bootSecs();
return true; return true;
} }

2
src/input/input.h
View file

@ -87,7 +87,7 @@ namespace Mist{
IPC::sharedPage streamStatus; IPC::sharedPage streamStatus;
std::map<size_t, std::map<uint32_t, size_t> > pageCounter; std::map<size_t, std::map<uint32_t, uint64_t> > pageCounter;
static Input *singleton; static Input *singleton;