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wininet: Unlock urlcache entries that were locked for over a day.

This commit is contained in:
Piotr Caban 2012-09-18 14:43:44 +02:00 committed by Alexandre Julliard
parent 359ed33824
commit 6935b7c73b
1 changed files with 37 additions and 6 deletions
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43
dlls/wininet/urlcache.c
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@ -1552,6 +1552,38 @@ static BOOL URLCache_DeleteCacheDirectory(LPCWSTR lpszPath)
return !(ret || shfos.fAnyOperationsAborted);
}
/***********************************************************************
* URLCache_IsLocked (Internal)
*
* Checks if entry is locked. Unlocks it if possible.
*/
static BOOL URLCache_IsLocked(struct _HASH_ENTRY *hash_entry, URL_CACHEFILE_ENTRY *url_entry)
{
FILETIME cur_time;
ULARGE_INTEGER acc_time, time;
if ((hash_entry->dwHashKey & ((1<<HASHTABLE_FLAG_BITS)-1)) != HASHTABLE_LOCK)
return FALSE;
GetSystemTimeAsFileTime(&cur_time);
time.u.LowPart = cur_time.dwLowDateTime;
time.u.HighPart = cur_time.dwHighDateTime;
acc_time.u.LowPart = url_entry->LastAccessTime.dwLowDateTime;
acc_time.u.HighPart = url_entry->LastAccessTime.dwHighDateTime;
time.QuadPart -= acc_time.QuadPart;
/* check if entry was locked for at least a day */
if(time.QuadPart > (ULONGLONG)24*60*60*10000000) {
URLCache_HashEntrySetFlags(hash_entry, HASHTABLE_URL);
url_entry->dwUseCount = 0;
return FALSE;
}
return TRUE;
}
/***********************************************************************
* FreeUrlCacheSpaceW (WININET.@)
*
@ -2193,9 +2225,8 @@ static BOOL DeleteUrlCacheEntryInternal(const URLCACHECONTAINER * pContainer,
}
pUrlEntry = (URL_CACHEFILE_ENTRY *)pEntry;
if ((pHashEntry->dwHashKey & ((1<<HASHTABLE_FLAG_BITS)-1)) == HASHTABLE_LOCK)
if(URLCache_IsLocked(pHashEntry, pUrlEntry))
{
/* FIXME: implement timeout object unlocking */
TRACE("Trying to delete locked entry\n");
pUrlEntry->CacheEntryType |= PENDING_DELETE_CACHE_ENTRY;
SetLastError(ERROR_SHARING_VIOLATION);
@ -2736,11 +2767,11 @@ static BOOL CommitUrlCacheEntryInternal(
if (URLCache_FindHash(pHeader, lpszUrlNameA, &pHashEntry))
{
if ((pHashEntry->dwHashKey & ((1<<HASHTABLE_FLAG_BITS)-1)) == HASHTABLE_LOCK)
URL_CACHEFILE_ENTRY *pUrlEntry = (URL_CACHEFILE_ENTRY*)((LPBYTE)pHeader + pHashEntry->dwOffsetEntry);
if (URLCache_IsLocked(pHashEntry, pUrlEntry))
{
/* FIXME: implement timeout object unlocking */
FIXME("Trying to overwrite locked entry\n");
SetLastError(ERROR_SHARING_VIOLATION);
TRACE("Trying to overwrite locked entry\n");
error = ERROR_SHARING_VIOLATION;
goto cleanup;
}