/**
* Remove old files from the list of monitored files.
* Normally these files are deleted from the list when they are processed.
* However if a file was detected by function "CanProcessFile" once but wasn't
* processed later (for example if the user deleted it), it will stay in the list,
* until we remove it here.
*/
void Scanner::DropOldFiles()
{
time_t tCurrent = time(NULL);
int i = 0;
for (FileList::iterator it = m_FileList.begin(); it != m_FileList.end(); )
{
FileData* pFileData = *it;
if ((tCurrent - pFileData->GetLastChange() >=
(g_pOptions->GetNzbDirInterval() + g_pOptions->GetNzbDirFileAge()) * 2) ||
// can occur if the system clock was adjusted
tCurrent < pFileData->GetLastChange())
{
debug("Removing file %s from scan file list", pFileData->GetFilename());
delete pFileData;
m_FileList.erase(it);
it = m_FileList.begin() + i;
}
else
{
it++;
i++;
}
}
}
/**
* Only files which were not changed during last g_pOptions->GetNzbDirFileAge() seconds
* can be processed. That prevents the processing of files, which are currently being
* copied into nzb-directory (eg. being downloaded in web-browser).
*/
bool Scanner::CanProcessFile(const char* szFullFilename, bool bCheckStat)
{
const char* szExtension = strrchr(szFullFilename, '.');
if (!szExtension ||
!strcasecmp(szExtension, ".queued") ||
!strcasecmp(szExtension, ".error") ||
!strcasecmp(szExtension, ".processed"))
{
return false;
}
if (!bCheckStat)
{
return true;
}
long long lSize = Util::FileSize(szFullFilename);
time_t tCurrent = time(NULL);
bool bCanProcess = false;
bool bInList = false;
for (FileList::iterator it = m_FileList.begin(); it != m_FileList.end(); it++)
{
FileData* pFileData = *it;
if (!strcmp(pFileData->GetFilename(), szFullFilename))
{
bInList = true;
if (pFileData->GetSize() == lSize &&
tCurrent - pFileData->GetLastChange() >= g_pOptions->GetNzbDirFileAge())
{
bCanProcess = true;
delete pFileData;
m_FileList.erase(it);
}
else
{
pFileData->SetSize(lSize);
if (pFileData->GetSize() != lSize)
{
pFileData->SetLastChange(tCurrent);
}
}
break;
}
}
if (!bInList)
{
FileData* pFileData = new FileData(szFullFilename);
pFileData->SetSize(lSize);
pFileData->SetLastChange(tCurrent);
m_FileList.push_back(pFileData);
}
return bCanProcess;
}