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Fix nondeterministic conflicting page processing on startup

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This commit is contained in:
Adam Johnson
2022-04-06 19:18:05 -05:00
committed by ZarothYe
parent b2521e0777
commit fd0c2a205e
2 changed files with 44 additions and 28 deletions
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64
Sources/Plasma/PubUtilLib/plResMgr/plResManager.cpp
View File

@ -1299,7 +1299,7 @@ void plResManager::PageInAge(const char *age)
hsBool plResManager::VerifyPages()
{
hsTArray<plRegistryPageNode*> invalidPages, newerPages;
PageSet invalidPages, newerPages;
// Step 1: verify major/minor version changes
if (plResMgrSettings::Get().GetFilterNewerPageVersions() ||
@ -1313,7 +1313,7 @@ hsBool plResManager::VerifyPages()
if (page->GetPageCondition() == kPageTooNew && plResMgrSettings::Get().GetFilterNewerPageVersions())
{
newerPages.Append(page);
newerPages.insert(page);
fAllPages.erase(page);
}
else if (
@ -1321,21 +1321,21 @@ hsBool plResManager::VerifyPages()
page->GetPageCondition() == kPageOutOfDate)
&& plResMgrSettings::Get().GetFilterOlderPageVersions())
{
invalidPages.Append(page);
invalidPages.insert(page);
fAllPages.erase(page);
}
}
}
// Handle all our invalid pages now
if (invalidPages.GetCount() > 0)
if (!invalidPages.empty())
{
if (!IDeleteBadPages(invalidPages, false))
return false;
}
// Warn about newer pages
if (newerPages.GetCount() > 0)
if (!newerPages.empty())
{
if (!IWarnNewerPages(newerPages))
return false;
@ -1343,22 +1343,35 @@ hsBool plResManager::VerifyPages()
// Step 2 of verification: make sure no sequence numbers conflict
PageSet::iterator it = fAllPages.begin();
for (; it != fAllPages.end(); it++)
for (; it != fAllPages.end();)
{
plRegistryPageNode* page = *it;
PageSet::iterator itUp = it;
itUp++;
for (; itUp != fAllPages.end(); itUp++)
bool amValid = true;
for (; itUp != fAllPages.end();)
{
plRegistryPageNode* upPage = *itUp;
if (page->GetPageInfo().GetLocation() == upPage->GetPageInfo().GetLocation())
{
invalidPages.Append(upPage);
fAllPages.erase(itUp);
break;
if (page->GetPageInfo().GetLocation() == upPage->GetPageInfo().GetLocation()) {
invalidPages.insert(upPage);
itUp = fAllPages.erase(itUp);
amValid = false;
} else {
itUp++;
}
}
// Delete *all* conflicting pages, not just conflicting - 1.
// If we leave in a single conflicting page, a new conflict can trivially
// be introduced if the page we leave behind is defunct and a new version
// is later downloaded from the FileSrv.
if (!amValid) {
invalidPages.insert(page);
it = fAllPages.erase(it);
} else {
it++;
}
}
// Redo our loaded pages list, since Verify() might force the page's keys to load or unload
@ -1374,7 +1387,7 @@ hsBool plResManager::VerifyPages()
}
// Handle all our conflicting pages now
if (invalidPages.GetCount() > 0)
if (!invalidPages.empty() > 0)
return IDeleteBadPages(invalidPages, true);
return true;
@ -1384,9 +1397,10 @@ hsBool plResManager::VerifyPages()
// Given an array of pages that are invalid (major version out-of-date or
// whatnot), asks the user what we should do about them.
static void ICatPageNames(hsTArray<plRegistryPageNode*>& pages, char* buf, int bufSize)
static void ICatPageNames(const std::set<plRegistryPageNode*>& pages, char* buf, int bufSize)
{
for (int i = 0; i < pages.GetCount(); i++)
int i = 0;
for (auto it = pages.cbegin(); it != pages.cend(); ++it, ++i)
{
if (i >= 25)
{
@ -1394,7 +1408,7 @@ static void ICatPageNames(hsTArray<plRegistryPageNode*>& pages, char* buf, int b
break;
}
const char* pagePath = pages[i]->GetPagePath();
const char* pagePath = (*it)->GetPagePath();
const char* pageFile = plFileUtils::GetFileName(pagePath);
if (strlen(buf) + strlen(pageFile) > bufSize - 5)
@ -1408,7 +1422,7 @@ static void ICatPageNames(hsTArray<plRegistryPageNode*>& pages, char* buf, int b
}
}
hsBool plResManager::IDeleteBadPages(hsTArray<plRegistryPageNode*>& invalidPages, hsBool conflictingSeqNums)
hsBool plResManager::IDeleteBadPages(PageSet& invalidPages, hsBool conflictingSeqNums)
{
#ifndef PLASMA_EXTERNAL_RELEASE
if (!hsMessageBox_SuppressPrompts)
@ -1430,12 +1444,12 @@ hsBool plResManager::IDeleteBadPages(hsTArray<plRegistryPageNode*>& invalidPages
#endif // PLASMA_EXTERNAL_RELEASE
// Delete 'em
for (int i = 0; i < invalidPages.GetCount(); i++)
for (PageSet::iterator it = invalidPages.begin(); it != invalidPages.end(); ++it)
{
invalidPages[i]->DeleteSource();
delete invalidPages[i];
(*it)->DeleteSource();
delete *it;
}
invalidPages.Reset();
invalidPages.clear();
fLastFoundPage = nil;
@ -1447,7 +1461,7 @@ hsBool plResManager::IDeleteBadPages(hsTArray<plRegistryPageNode*>& invalidPages
// than the "current" one), warns the user about them but does nothing to
// them.
hsBool plResManager::IWarnNewerPages(hsTArray<plRegistryPageNode*> &newerPages)
hsBool plResManager::IWarnNewerPages(PageSet &newerPages)
{
#ifndef PLASMA_EXTERNAL_RELEASE
if (!hsMessageBox_SuppressPrompts)
@ -1465,9 +1479,9 @@ hsBool plResManager::IWarnNewerPages(hsTArray<plRegistryPageNode*> &newerPages)
// Not deleting the files, just delete them from memory
for (int i = 0; i < newerPages.GetCount(); i++)
delete newerPages[i];
newerPages.Reset();
for (PageSet::iterator it = newerPages.begin(); it != newerPages.end(); ++it)
delete *it;
newerPages.clear();
fLastFoundPage = nil;

8
Sources/Plasma/PubUtilLib/plResMgr/plResManager.h
View File

@ -61,6 +61,9 @@ typedef void(*plProgressProc)(plKey key);
class plResManager : public hsResMgr
{
protected:
typedef std::set<plRegistryPageNode*> PageSet;
public:
plResManager();
virtual ~plResManager();
@ -194,8 +197,8 @@ protected:
void IUnloadPageKeys(plRegistryPageNode* pageNode, hsBool dontClear = false);
hsBool IDeleteBadPages(hsTArray<plRegistryPageNode*>& invalidPages, hsBool conflictingSeqNums);
hsBool IWarnNewerPages(hsTArray<plRegistryPageNode*>& newerPages);
hsBool IDeleteBadPages(PageSet& invalidPages, hsBool conflictingSeqNums);
hsBool IWarnNewerPages(PageSet& newerPages);
void ILockPages();
void IUnlockPages();
@ -233,7 +236,6 @@ protected:
UInt8 fPageListLock; // Number of locks on the page lists. If it's greater than zero, they can't be modified
hsBool fPagesNeedCleanup; // True if something modified the page lists while they were locked.
typedef std::set<plRegistryPageNode*> PageSet;
PageSet fAllPages; // All the pages, loaded or not
PageSet fLoadedPages; // Just the loaded pages