void
CCachedDirectory::AddEntry(const CTSVNPath& path, const svn_client_status_t* pSVNStatus, bool needsLock, bool forceNormal)
{
svn_wc_status_kind nodestatus = forceNormal ? svn_wc_status_normal : (pSVNStatus ? pSVNStatus->node_status : svn_wc_status_none);
if(path.IsDirectory())
{
// no lock here:
// AutoLocker lock(m_critSec);
// because GetDirectoryCacheEntry() can try to obtain a write lock
CCachedDirectory * childDir = CSVNStatusCache::Instance().GetDirectoryCacheEntry(path);
if (childDir)
{
if ((childDir->GetCurrentFullStatus() != svn_wc_status_ignored)||(pSVNStatus==NULL)||(nodestatus != svn_wc_status_unversioned))
childDir->m_ownStatus.SetStatus(pSVNStatus, needsLock, forceNormal);
childDir->m_ownStatus.SetKind(svn_node_dir);
}
}
else
{
AutoLocker lock(m_critSec);
CStringA cachekey = GetCacheKey(path);
CacheEntryMap::iterator entry_it = m_entryCache.lower_bound(cachekey);
if (entry_it != m_entryCache.end() && entry_it->first == cachekey)
{
if (pSVNStatus)
{
if (entry_it->second.GetEffectiveStatus() > svn_wc_status_none &&
entry_it->second.GetEffectiveStatus() != nodestatus)
{
CSVNStatusCache::Instance().UpdateShell(path);
CTraceToOutputDebugString::Instance()(_T(__FUNCTION__) _T(": shell update for %s\n"), path.GetWinPath());
}
}
}
else
{
entry_it = m_entryCache.insert(entry_it, std::make_pair(cachekey, CStatusCacheEntry()));
}
entry_it->second = CStatusCacheEntry(pSVNStatus, needsLock, path.GetLastWriteTime(), forceNormal);
}
}
CStatusCacheEntry CCachedDirectory::GetStatusForMember(const CTSVNPath& path, bool bRecursive, bool bFetch /* = true */)
{
CStringA strCacheKey;
bool bThisDirectoryIsUnversioned = false;
bool bRequestForSelf = false;
if(path.IsEquivalentToWithoutCase(m_directoryPath))
{
bRequestForSelf = true;
}
// In all most circumstances, we ask for the status of a member of this directory.
ATLASSERT(m_directoryPath.IsEquivalentToWithoutCase(path.GetContainingDirectory()) || bRequestForSelf);
long long dbFileTime = CSVNStatusCache::Instance().WCRoots()->GetDBFileTime(m_directoryPath);
bool wcDbFileTimeChanged = (m_wcDbFileTime != dbFileTime);
if ( !wcDbFileTimeChanged )
{
if(m_wcDbFileTime == 0)
{
// We are a folder which is not in a working copy
bThisDirectoryIsUnversioned = true;
m_ownStatus.SetStatus(NULL, false, false);
// If a user removes the .svn directory, we get here with m_entryCache
// not being empty, but still us being unversioned
if (!m_entryCache.empty())
{
m_entryCache.clear();
}
ATLASSERT(m_entryCache.empty());
// However, a member *DIRECTORY* might be the top of WC
// so we need to ask them to get their own status
if(!path.IsDirectory())
{
if ((PathFileExists(path.GetWinPath()))||(bRequestForSelf))
return CStatusCacheEntry();
// the entry doesn't exist anymore!
// but we can't remove it from the cache here:
// the GetStatusForMember() method is called only with a read
// lock and not a write lock!
// So mark it for crawling, and let the crawler remove it
// later
CSVNStatusCache::Instance().AddFolderForCrawling(path.GetContainingDirectory());
return CStatusCacheEntry();
}
else
{
// If we're in the special case of a directory being asked for its own status
// and this directory is unversioned, then we should just return that here
if(bRequestForSelf)
{
return CStatusCacheEntry();
}
}
}
if (CSVNStatusCache::Instance().GetDirectoryCacheEntryNoCreate(path) != NULL)
{
// We don't have directory status in our cache
// Ask the directory if it knows its own status
CCachedDirectory * dirEntry = CSVNStatusCache::Instance().GetDirectoryCacheEntry(path);
if ((dirEntry)&&(dirEntry->IsOwnStatusValid()))
{
// To keep recursive status up to date, we'll request that children are all crawled again
// We have to do this because the directory watcher isn't very reliable (especially under heavy load)
// and also has problems with SUBSTed drives.
// If nothing has changed in those directories, this crawling is fast and only
// accesses two files for each directory.
if (bRecursive)
{
AutoLocker lock(dirEntry->m_critSec);
ChildDirStatus::const_iterator it;
for(it = dirEntry->m_childDirectories.begin(); it != dirEntry->m_childDirectories.end(); ++it)
{
CTSVNPath newpath;
CString winPath = CUnicodeUtils::GetUnicode (it->first);
newpath.SetFromWin(winPath, true);
CSVNStatusCache::Instance().AddFolderForCrawling(newpath);
}
}
return dirEntry->GetOwnStatus(bRecursive);
}
}
else
{
{
// if we currently are fetching the status of the directory
// we want the status for, we just return an empty entry here
// and don't wait for that fetching to finish.
// That's because fetching the status can take a *really* long
// time (e.g. if a commit is also in progress on that same
// directory), and we don't want to make the explorer appear
// to hang.
if ((!bFetch)&&(m_FetchingStatus))
{
if (m_directoryPath.IsAncestorOf(path))
{
m_currentFullStatus = m_mostImportantFileStatus = svn_wc_status_none;
return GetCacheStatusForMember(path);
}
}
}
// Look up a file in our own cache
AutoLocker lock(m_critSec);
strCacheKey = GetCacheKey(path);
CacheEntryMap::iterator itMap = m_entryCache.find(strCacheKey);
if(itMap != m_entryCache.end())
{
// We've hit the cache - check for timeout
if(!itMap->second.HasExpired((long)GetTickCount()))
{
if(itMap->second.DoesFileTimeMatch(path.GetLastWriteTime()))
{
if ((itMap->second.GetEffectiveStatus()!=svn_wc_status_missing)||(!PathFileExists(path.GetWinPath())))
{
// Note: the filetime matches after a modified has been committed too.
// So in that case, we would return a wrong status (e.g. 'modified' instead
// of 'normal') here.
return itMap->second;
}
}
}
}
}
}
else
{
if ((!bFetch)&&(m_FetchingStatus))
{
if (m_directoryPath.IsAncestorOf(path))
{
// returning empty status (status fetch in progress)
// also set the status to 'none' to have the status change and
// the shell updater invoked in the crawler
m_currentFullStatus = m_mostImportantFileStatus = svn_wc_status_none;
CSVNStatusCache::Instance().AddFolderForCrawling(m_directoryPath.GetDirectory());
return GetCacheStatusForMember(path);
}
}
// if we're fetching the status for the explorer,
// we don't refresh the status but use the one
// we already have (to save time and make the explorer
// more responsive in stress conditions).
// We leave the refreshing to the crawler.
if ((!bFetch)&&(m_wcDbFileTime))
{
CSVNStatusCache::Instance().AddFolderForCrawling(m_directoryPath.GetDirectory());
return GetCacheStatusForMember(path);
}
AutoLocker lock(m_critSec);
m_entryCache.clear();
strCacheKey = GetCacheKey(path);
}
// We've not got this item in the cache - let's add it
// We never bother asking SVN for the status of just one file, always for its containing directory
if (g_SVNAdminDir.IsAdminDirPath(path.GetWinPathString()))
{
// We're being asked for the status of an .SVN directory
// It's not worth asking for this
return CStatusCacheEntry();
}
{
if ((!bFetch)&&(m_FetchingStatus))
{
if (m_directoryPath.IsAncestorOf(path))
{
m_currentFullStatus = m_mostImportantFileStatus = svn_wc_status_none;
return GetCacheStatusForMember(path);
}
}
}
{
AutoLocker lock(m_critSec);
m_mostImportantFileStatus = svn_wc_status_none;
m_childDirectories.clear();
m_entryCache.clear();
m_ownStatus.SetStatus(NULL, false, false);
}
if(!bThisDirectoryIsUnversioned)
{
if (!SvnUpdateMembersStatus())
{
m_wcDbFileTime = 0;
return CStatusCacheEntry();
}
}
// Now that we've refreshed our SVN status, we can see if it's
// changed the 'most important' status value for this directory.
// If it has, then we should tell our parent
UpdateCurrentStatus();
m_wcDbFileTime = dbFileTime;
if (path.IsDirectory())
{
CCachedDirectory * dirEntry = CSVNStatusCache::Instance().GetDirectoryCacheEntry(path);
if ((dirEntry)&&(dirEntry->IsOwnStatusValid()))
{
//CSVNStatusCache::Instance().AddFolderForCrawling(path);
return dirEntry->GetOwnStatus(bRecursive);
}
// If the status *still* isn't valid here, it means that
// the current directory is unversioned, and we shall need to ask its children for info about themselves
if ((dirEntry)&&(dirEntry != this))
return dirEntry->GetStatusForMember(path,bRecursive);
// add the path for crawling: if it's really unversioned, the crawler will
// only check for the admin dir and do nothing more. But if it is
// versioned (could happen in a nested layout) the crawler will update its
// status correctly
CSVNStatusCache::Instance().AddFolderForCrawling(path);
return CStatusCacheEntry();
}
else
{
CacheEntryMap::iterator itMap = m_entryCache.find(strCacheKey);
if(itMap != m_entryCache.end())
{
return itMap->second;
}
}
AddEntry(path, NULL, false, false);
return CStatusCacheEntry();
}
