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/*
* This file is part of nzbget. See <http://nzbget.net>.
*
* Copyright (C) 2015-2019 Andrey Prygunkov <hugbug@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "nzbget.h"
#include "DiskService.h"
#include "Options.h"
#include "WorkState.h"
#include "StatMeter.h"
#include "Log.h"
#include "Util.h"
#include "FileSystem.h"
DiskService::DiskService()
{
g_WorkState->Attach(this);
}
void DiskService::Update(Subject* caller, void* aspect)
{
WakeUp();
}
int DiskService::ServiceInterval()
{
return m_waitingRequiredDir ? 1 :
g_Options->GetDiskSpace() <= 0 ? Service::Sleep :
// notifications from 'WorkState' are not 100% reliable due to race conditions
!g_WorkState->GetDownloading() ? 10 :
1;
}
void DiskService::ServiceWork()
{
debug("Disk service work");
if (g_Options->GetDiskSpace() > 0 && g_WorkState->GetDownloading())
{
// check free disk space every 1 second
CheckDiskSpace();
}
if (m_waitingRequiredDir)
{
CheckRequiredDir();
}
}
void DiskService::CheckDiskSpace()
{
debug("Disk service work: check disk space");
int64 freeSpace = FileSystem::FreeDiskSize(g_Options->GetDestDir());
if (freeSpace > -1 && freeSpace / 1024 / 1024 < g_Options->GetDiskSpace())
{
warn("Low disk space on %s. Pausing download", g_Options->GetDestDir());
g_WorkState->SetPauseDownload(true);
}
if (!Util::EmptyStr(g_Options->GetInterDir()))
{
freeSpace = FileSystem::FreeDiskSize(g_Options->GetInterDir());
if (freeSpace > -1 && freeSpace / 1024 / 1024 < g_Options->GetDiskSpace())
{
warn("Low disk space on %s. Pausing download", g_Options->GetInterDir());
g_WorkState->SetPauseDownload(true);
}
}
}
void DiskService::CheckRequiredDir()
{
debug("Disk service work: check required dir");
if (!Util::EmptyStr(g_Options->GetRequiredDir()))
{
bool allExist = true;
bool wasWaitingReported = m_waitingReported;
// split RequiredDir into tokens
Tokenizer tok(g_Options->GetRequiredDir(), ",;");
while (const char* dir = tok.Next())
{
if (!FileSystem::FileExists(dir) && !FileSystem::DirectoryExists(dir))
{
if (!wasWaitingReported)
{
info("Waiting for required directory %s", dir);
m_waitingReported = true;
}
allExist = false;
}
}
if (!allExist)
{
return;
}
}
if (m_waitingReported)
{
info("All required directories available");
}
g_WorkState->SetTempPauseDownload(false);
g_WorkState->SetTempPausePostprocess(false);
m_waitingRequiredDir = false;
}
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