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backup.cpp
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backup.cpp
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/* This file is part of the KDE project
Copyright (C) 2008 Omat Holding B.V. <info@omat.nl>
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.
*/
#include
"backup.h"
#include
"global.h"
#include
<KDebug>
#include
<KIO/NetAccess>
#include
<KProcess>
#include
<KStandardDirs>
#include
<KTempDir>
#include
<KUrl>
#include
<QDir>
#include
<akonadi/private/xdgbasedirs_p.h>
#include
<akonadi/agentmanager.h>
using
namespace
Akonadi
;
/**
* Use this class to create a backup. possible() will tell you if all
* apps needed for the backup are available. Don't proceed without them.
* After that call create() to get it running. Please make sure the parameter
* has the tar.bz2 extension.
*/
Backup
::
Backup
(
QWidget
*
parent
)
:
QWidget
(
parent
)
{
}
bool
Backup
::
possible
()
{
Tray
::
Global
global
;
QString
dbDumpAppName
;
if
(
global
.
dbdriver
()
==
QLatin1String
(
"QPSQL"
)
)
dbDumpAppName
=
QLatin1String
(
"pg_dump"
);
else
if
(
global
.
dbdriver
()
==
QLatin1String
(
"QMYSQL"
)
)
dbDumpAppName
=
QLatin1String
(
"mysqldump"
);
else
{
kError
()
<<
"Could not find an application to dump the database."
;
}
m_dbDumpApp
=
KStandardDirs
::
findExe
(
dbDumpAppName
);
const
QString
bzip2
=
KStandardDirs
::
findExe
(
QLatin1String
(
"bzip2"
)
);
const
QString
tar
=
KStandardDirs
::
findExe
(
QLatin1String
(
"tar"
)
);
kDebug
()
<<
"m_dbDumpApp:"
<<
m_dbDumpApp
<<
"bzip2:"
<<
bzip2
<<
"tar:"
<<
tar
;
return
!
m_dbDumpApp
.
isEmpty
()
&&
!
bzip2
.
isEmpty
()
&&
!
tar
.
isEmpty
();
}
void
Backup
::
create
(
const
KUrl
&
filename
)
{
if
(
filename
.
isEmpty
()
)
{
emit
completed
(
false
);
return
;
}
const
QString
sep
(
QDir
::
separator
()
);
/* first create the temp folder. */
KTempDir
*
tempDir
=
new
KTempDir
(
KStandardDirs
::
locateLocal
(
"tmp"
,
QLatin1String
(
"akonadi"
)
)
);
tempDir
->
setAutoRemove
(
false
);
KIO
::
NetAccess
::
mkdir
(
QString
(
tempDir
->
name
()
+
QLatin1String
(
"kdeconfig"
)),
this
);
KIO
::
NetAccess
::
mkdir
(
QString
(
tempDir
->
name
()
+
QLatin1String
(
"akonadiconfig"
)),
this
);
KIO
::
NetAccess
::
mkdir
(
QString
(
tempDir
->
name
()
+
QLatin1String
(
"db"
)),
this
);
QStringList
filesToBackup
;
/* Copy over the KDE config files. */
AgentManager
*
manager
=
AgentManager
::
self
();
const
AgentInstance
::
List
list
=
manager
->
instances
();
foreach
(
const
AgentInstance
&
agent
,
list
)
{
const
QString
agentFileName
=
agent
.
identifier
()
+
QLatin1String
(
"rc"
);
const
QString
configFileName
=
KStandardDirs
::
locateLocal
(
"config"
,
agentFileName
);
bool
exists
=
KIO
::
NetAccess
::
exists
(
configFileName
,
KIO
::
NetAccess
::
DestinationSide
,
this
);
if
(
exists
)
{
KIO
::
NetAccess
::
file_copy
(
configFileName
,
QString
(
tempDir
->
name
()
+
QLatin1String
(
"kdeconfig"
)
+
sep
+
agentFileName
),
this
);
filesToBackup
<<
QLatin1String
(
"kdeconfig"
)
+
sep
+
agentFileName
;
}
}
/* Copy over the Akonadi config files */
const
QString
config
=
XdgBaseDirs
::
findResourceDir
(
"config"
,
QLatin1String
(
"akonadi"
)
);
QDir
dir
(
config
);
const
QStringList
configlist
=
dir
.
entryList
(
QDir
::
Files
);
foreach
(
const
QString
&
item
,
configlist
)
{
KIO
::
NetAccess
::
file_copy
(
QString
(
config
+
sep
+
item
),
QString
(
tempDir
->
name
()
+
QLatin1String
(
"akonadiconfig"
)
+
sep
+
item
),
this
);
filesToBackup
<<
QLatin1String
(
"akonadiconfig/"
)
+
item
;
}
/* Dump the database */
Tray
::
Global
global
;
KProcess
*
proc
=
new
KProcess
(
this
);
QStringList
params
;
if
(
global
.
dbdriver
()
==
QLatin1String
(
"QMYSQL"
)
)
{
params
<<
QLatin1String
(
"--single-transaction"
)
<<
QLatin1String
(
"--flush-logs"
)
<<
QLatin1String
(
"--triggers"
)
<<
QLatin1String
(
"--result-file="
)
+
tempDir
->
name
()
+
QLatin1String
(
"db"
)
+
sep
+
QLatin1String
(
"database.sql"
)
<<
global
.
dboptions
()
<<
global
.
dbname
();
}
else
if
(
global
.
dbdriver
()
==
QLatin1String
(
"QPSQL"
)
)
{
params
<<
QLatin1String
(
"--format=custom"
)
<<
QLatin1String
(
"--blobs"
)
<<
QLatin1String
(
"--file="
)
+
tempDir
->
name
()
+
QLatin1String
(
"db"
)
+
sep
+
QLatin1String
(
"database.sql"
)
<<
global
.
dboptions
()
<<
global
.
dbname
();
}
kDebug
()
<<
"Executing: "
<<
m_dbDumpApp
<<
params
;
proc
->
setProgram
(
m_dbDumpApp
,
params
);
int
result
=
proc
->
execute
();
delete
proc
;
if
(
result
!=
0
)
{
kWarning
()
<<
"Executed: "
<<
m_dbDumpApp
<<
params
<<
"Result: "
<<
result
;
tempDir
->
unlink
();
delete
tempDir
;
emit
completed
(
false
);
return
;
}
filesToBackup
<<
QLatin1String
(
"db"
)
+
sep
+
QLatin1String
(
"database.sql"
);
/* Make a nice tar file. */
proc
=
new
KProcess
(
this
);
params
.
clear
();
params
<<
QLatin1String
(
"-C"
)
<<
tempDir
->
name
();
params
<<
QLatin1String
(
"-cjf"
);
params
<<
filename
.
toLocalFile
()
<<
filesToBackup
;
proc
->
setWorkingDirectory
(
tempDir
->
name
()
);
proc
->
setProgram
(
KStandardDirs
::
findExe
(
QLatin1String
(
"tar"
)
),
params
);
result
=
proc
->
execute
();
delete
proc
;
if
(
result
!=
0
)
{
kWarning
()
<<
"Executed: "
<<
KStandardDirs
::
findExe
(
QLatin1String
(
"tar"
)
)
<<
params
<<
QLatin1String
(
"Result: "
)
<<
result
;
tempDir
->
unlink
();
delete
tempDir
;
emit
completed
(
false
);
return
;
}
tempDir
->
unlink
();
delete
tempDir
;
emit
completed
(
true
);
}
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