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// distribution boxbackup-0.10 (svn version: 494)
//
// Copyright (c) 2003 - 2006
// Ben Summers and contributors. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. All use of this software and associated advertising materials must
// display the following acknowledgment:
// This product includes software developed by Ben Summers.
// 4. The names of the Authors may not be used to endorse or promote
// products derived from this software without specific prior written
// permission.
//
// [Where legally impermissible the Authors do not disclaim liability for
// direct physical injury or death caused solely by defects in the software
// unless it is modified by a third party.]
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
//
//
// --------------------------------------------------------------------------
//
// File
// Name: BackupDaemon.h
// Purpose: Backup daemon
// Created: 2003/10/08
//
// --------------------------------------------------------------------------
#ifndef BACKUPDAEMON__H
#define BACKUPDAEMON__H
#include <vector>
#include <string>
#include <memory>
#include "BoxTime.h"
#include "Daemon.h"
#include "Socket.h"
#include "SocketListen.h"
#include "SocketStream.h"
#ifdef WIN32
#include "WinNamedPipeStream.h"
#endif
class BackupClientDirectoryRecord;
class BackupClientContext;
class Configuration;
class BackupClientInodeToIDMap;
class ExcludeList;
class IOStreamGetLine;
class Archive;
// --------------------------------------------------------------------------
//
// Class
// Name: BackupDaemon
// Purpose: Backup daemon
// Created: 2003/10/08
//
// --------------------------------------------------------------------------
class BackupDaemon : public Daemon
{
public:
BackupDaemon();
~BackupDaemon();
private:
// methods below do partial (specialized) serialization of client state only
void SerializeStoreObjectInfo(int64_t aClientStoreMarker, box_time_t theLastSyncTime, box_time_t theNextSyncTime) const;
bool DeserializeStoreObjectInfo(int64_t & aClientStoreMarker, box_time_t & theLastSyncTime, box_time_t & theNextSyncTime);
bool DeleteStoreObjectInfo() const;
BackupDaemon(const BackupDaemon &);
public:
void Run();
virtual const char *DaemonName() const;
virtual const char *DaemonBanner() const;
const ConfigurationVerify *GetConfigVerify() const;
bool FindLocationPathName(const std::string &rLocationName, std::string &rPathOut) const;
enum
{
// Add stuff to this, make sure the textual equivalents in SetState() are changed too.
State_Initialising = -1,
State_Idle = 0,
State_Connected = 1,
State_Error = 2,
State_StorageLimitExceeded = 3
};
int GetState() {return mState;}
// Allow other classes to call this too
enum
{
NotifyEvent_StoreFull = 0,
NotifyEvent_ReadError = 1,
NotifyEvent__MAX = 1
// When adding notifications, remember to add strings to NotifySysadmin()
};
void NotifySysadmin(int Event);
private:
void Run2();
void DeleteAllLocations();
void SetupLocations(BackupClientContext &rClientContext, const Configuration &rLocationsConf);
void DeleteIDMapVector(std::vector<BackupClientInodeToIDMap *> &rVector);
void DeleteAllIDMaps()
{
DeleteIDMapVector(mCurrentIDMaps);
DeleteIDMapVector(mNewIDMaps);
}
void FillIDMapVector(std::vector<BackupClientInodeToIDMap *> &rVector, bool NewMaps);
void SetupIDMapsForSync();
void CommitIDMapsAfterSync();
void DeleteCorruptBerkelyDbFiles();
void MakeMapBaseName(unsigned int MountNumber, std::string &rNameOut) const;
void SetState(int State);
void WaitOnCommandSocket(box_time_t RequiredDelay, bool &DoSyncFlagOut, bool &SyncIsForcedOut);
void CloseCommandConnection();
void SendSyncStartOrFinish(bool SendStart);
void TouchFileInWorkingDir(const char *Filename);
void DeleteUnusedRootDirEntries(BackupClientContext &rContext);
#ifdef PLATFORM_CANNOT_FIND_PEER_UID_OF_UNIX_SOCKET
// For warning user about potential security hole
virtual void SetupInInitialProcess();
#endif
int UseScriptToSeeIfSyncAllowed();
private:
class Location
{
public:
Location();
~Location();
void Deserialize(Archive & rArchive);
void Serialize(Archive & rArchive) const;
private:
Location(const Location &); // copy not allowed
Location &operator=(const Location &);
public:
std::string mName;
std::string mPath;
std::auto_ptr<BackupClientDirectoryRecord> mpDirectoryRecord;
int mIDMapIndex;
ExcludeList *mpExcludeFiles;
ExcludeList *mpExcludeDirs;
};
int mState; // what the daemon is currently doing
std::vector<Location *> mLocations;
std::vector<std::string> mIDMapMounts;
std::vector<BackupClientInodeToIDMap *> mCurrentIDMaps;
std::vector<BackupClientInodeToIDMap *> mNewIDMaps;
// For the command socket
class CommandSocketInfo
{
public:
CommandSocketInfo();
~CommandSocketInfo();
private:
CommandSocketInfo(const CommandSocketInfo &); // no copying
CommandSocketInfo &operator=(const CommandSocketInfo &);
public:
#ifdef WIN32
WinNamedPipeStream mListeningSocket;
#else
SocketListen<SocketStream, 1 /* listen backlog */> mListeningSocket;
std::auto_ptr<SocketStream> mpConnectedSocket;
#endif
IOStreamGetLine *mpGetLine;
};
// Using a socket?
CommandSocketInfo *mpCommandSocketInfo;
// Stop notifications being repeated.
bool mNotificationsSent[NotifyEvent__MAX + 1];
// Unused entries in the root directory wait a while before being deleted
box_time_t mDeleteUnusedRootDirEntriesAfter; // time to delete them
std::vector<std::pair<int64_t,std::string> > mUnusedRootDirEntries;
#ifdef WIN32
public:
void RunHelperThread(void);
private:
bool mDoSyncFlagOut, mSyncIsForcedOut, mReceivedCommandConn;
#endif
};
#endif // BACKUPDAEMON__H
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