James Turner
27a3ee3bce
When we trip the max-error count for a session, back off for a period of time and then retry (selecting a new TerraSync server).
130 lines
3.8 KiB
C++
130 lines
3.8 KiB
C++
// terrasync.hxx -- scenery fetcher
|
|
//
|
|
// Copyright (C) 2011 Thorsten Brehm <brehmt@gmail.com>
|
|
//
|
|
// 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, write to the Free Software
|
|
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
//
|
|
// $Id$
|
|
|
|
#ifndef TERRASYNC_HXX_
|
|
#define TERRASYNC_HXX_
|
|
|
|
#include <set>
|
|
|
|
#include <simgear/props/props.hxx>
|
|
#include <simgear/structure/subsystem_mgr.hxx>
|
|
#include <simgear/props/tiedpropertylist.hxx>
|
|
|
|
class SGPath;
|
|
class SGBucket;
|
|
|
|
namespace simgear
|
|
{
|
|
const int NOWHERE = -9999;
|
|
|
|
class BufferedLogCallback;
|
|
|
|
class SGTerraSync : public SGSubsystem
|
|
{
|
|
public:
|
|
SGTerraSync();
|
|
virtual ~SGTerraSync();
|
|
|
|
// Subsystem API.
|
|
void bind() override;
|
|
void init() override;
|
|
void reinit() override;
|
|
void shutdown() override;
|
|
void unbind() override;
|
|
void update(double) override;
|
|
|
|
// Subsystem identification.
|
|
static const char* staticSubsystemClassId() { return "terrasync"; }
|
|
|
|
/// notify terrasync that the sim was repositioned, as opposed to
|
|
/// us travelling in a direction. Avoid last_lat / last_lon blocking
|
|
/// certain tiles when we reposition.
|
|
void reposition();
|
|
|
|
bool isIdle();
|
|
|
|
bool scheduleTile(const SGBucket& bucket);
|
|
|
|
void syncAreaByPath(const std::string& aPath);
|
|
|
|
void setRoot(SGPropertyNode_ptr root);
|
|
|
|
/// retrive the associated log object, for displaying log
|
|
/// output somewhere (a UI, presumably)
|
|
BufferedLogCallback* log() const
|
|
{ return _log; }
|
|
|
|
/**
|
|
* Test if a scenery directory is queued or actively syncing.
|
|
* File path is the tile name, eg 'e001n52' or 'w003n56'. Will return true
|
|
* if either the Terrain or Objects variant is being synced.
|
|
*
|
|
*/
|
|
bool isTileDirPending(const std::string& sceneryDir) const;
|
|
|
|
|
|
void scheduleDataDir(const std::string& dataDir);
|
|
|
|
bool isDataDirPending(const std::string& dataDir) const;
|
|
|
|
protected:
|
|
void syncAirportsModels();
|
|
string_list getSceneryPathSuffixes() const;
|
|
|
|
class WorkerThread;
|
|
|
|
private:
|
|
WorkerThread* _workerThread;
|
|
SGPropertyNode_ptr _terraRoot;
|
|
SGPropertyNode_ptr _renderingRoot;
|
|
SGPropertyNode_ptr _stalledNode;
|
|
SGPropertyNode_ptr _cacheHits;
|
|
SGPropertyNode_ptr _busyNode;
|
|
SGPropertyNode_ptr _activeNode;
|
|
SGPropertyNode_ptr _enabledNode;
|
|
SGPropertyNode_ptr _availableNode;
|
|
SGPropertyNode_ptr _updateCountNode;
|
|
SGPropertyNode_ptr _errorCountNode;
|
|
SGPropertyNode_ptr _tileCountNode;
|
|
SGPropertyNode_ptr _cacheHitsNode;
|
|
SGPropertyNode_ptr _transferRateBytesSecNode;
|
|
SGPropertyNode_ptr _pendingKbytesNode;
|
|
SGPropertyNode_ptr _downloadedKBtesNode;
|
|
SGPropertyNode_ptr _maxErrorsNode;
|
|
|
|
// we manually bind+init TerraSync during early startup
|
|
// to get better overlap of slow operations (Shared Models sync
|
|
// and nav-cache rebuild). As a result we need to track the bind/init
|
|
// state explicitly to avoid duplicate calls.
|
|
bool _bound, _inited;
|
|
|
|
simgear::TiedPropertyList _tiedProperties;
|
|
BufferedLogCallback* _log;
|
|
|
|
/// if we disabled TerraSync due to errors, this is the time at which we will restart it
|
|
/// automatically.
|
|
SGTimeStamp _retryTime;
|
|
unsigned int _retryBackOffSeconds = 0;
|
|
};
|
|
|
|
}
|
|
|
|
#endif /* TERRASYNC_HXX_ */
|