@ -4,6 +4,8 @@
// (C) by Detlef Reichl; detlef!reichl()gmx!org
// (C) by Detlef Reichl; detlef!reichl()gmx!org
// Pforzheim, Germany, 2008
// Pforzheim, Germany, 2008
//
//
// [MC] made many changes to remove side-effect-based routines towards a more functional programming style
//
// This program is free software; you can redistribute it and/or modify
// 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
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// the Free Software Foundation; either version 2 of the License, or
@ -17,25 +19,6 @@
// You should have received a copy of the GNU General Public License
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Using this software in any meaning (reading, learning, copying, compiling,
// running) means that you agree that the Author(s) is (are) not responsible
// for cost, loss of data or any harm that may be caused directly or indirectly
// by usage of this softare or this documentation. The usage of this software
// is on your own risk. The installation and usage (starting/running) of this
// software may allow other people or application to access your computer and
// any attached devices and is highly dependent on the configuration of the
// software which must be done by the user of the software; the author(s) is
// (are) also not responsible for proper configuration and usage of the
// software, even if provoked by documentation provided together with
// the software.
//
// Any changes to this file according to the GPL as documented in the file
// gpl.txt aside this file in the shipment you received can be done to the
// lines that follows this copyright notice here, but changes must not be
// done inside the copyright notive above. A re-distribution must contain
// the intact and unchanged copyright notice.
// Contributions and changes to the program code must be marked as such.
// The HashMap contains the following values:
// The HashMap contains the following values:
@ -66,10 +49,8 @@ public class diskUsage {
private static final List < String > yacyUsedMountPoints = new ArrayList < String > ( ) ;
private static final List < String > yacyUsedMountPoints = new ArrayList < String > ( ) ;
private static int usedOS = - 1 ;
private static int usedOS = - 1 ;
private static boolean usable = false ;
private static String usageError = null ;
private static String windowsCommand = null ;
private static String windowsCommand = null ;
private static String errorMessage = "" ;
private static boolean consoleError = false ;
// Unix-like
// Unix-like
@ -113,13 +94,12 @@ public class diskUsage {
//////////////////
//////////////////
public static void init ( ArrayList < String > pathsToCheck ) {
public static void init ( ArrayList < String > pathsToCheck ) {
errorMessage = null ;
if ( usedOS > = 0 ) return ; // prevent double initialization
if ( usedOS > = 0 ) return ; // prevent double initialization
usedOS = getOS ( ) ;
usedOS = getOS ( ) ;
if ( usedOS = = - 1 ) {
if ( usedOS = = - 1 ) {
usable = false ;
return ;
} else {
} else {
usa ble = true ;
usa geError = null ;
if ( usedOS < = UNIX_END ) {
if ( usedOS < = UNIX_END ) {
// some kind of *nix
// some kind of *nix
@ -142,13 +122,12 @@ public class diskUsage {
checkMappedSubDirs ( pathsToCheck ) ;
checkMappedSubDirs ( pathsToCheck ) ;
}
}
if ( yacyUsedVolumes . size ( ) < 1 )
if ( yacyUsedVolumes . size ( ) < 1 )
usa ble = false ;
usa geError = "found no volumes" ;
}
}
}
}
public static HashMap < String , long [ ] > getDiskUsage ( ) {
public static HashMap < String , long [ ] > getDiskUsage ( ) {
if ( ! usable )
if ( usageError ! = null ) return null ;
return null ;
if ( usedOS < = UNIX_END )
if ( usedOS < = UNIX_END )
return dfUnix ( ) ;
return dfUnix ( ) ;
@ -156,34 +135,26 @@ public class diskUsage {
return dfWindows ( ) ;
return dfWindows ( ) ;
}
}
public static boolean isUsable ( ) {
public static boolean isUsable ( ) {
return usable ;
return usageError = = null ;
}
public static String getErrorMessage ( ) {
return errorMessage ;
}
}
public static int getNumUsedVolumes ( ) {
public static int getNumUsedVolumes ( ) {
return yacyUsedVolumes . size ( ) ;
return yacyUsedVolumes . size ( ) ;
}
}
public static String getErrorMessage ( ) {
return usageError ;
}
////////////
////////////
// Unix //
// Unix //
////////////
////////////
private static HashMap < String , long [ ] > dfUnix ( ) {
private static HashMap < String , long [ ] > dfUnix ( ) {
HashMap < String , long [ ] > diskUsages = new HashMap < String , long [ ] > ( ) ;
HashMap < String , long [ ] > diskUsages = new HashMap < String , long [ ] > ( ) ;
try {
final List < String > lines = dfUnixExec ( ) ;
final List < String > lines = dfUnixExec ( ) ;
if ( consoleError ) {
errorMessage = "df:" ;
for ( final String line : lines ) {
errorMessage + = "\n" + line ;
}
usable = false ;
return diskUsages ;
}
nextLine : for ( final String line : lines ) {
nextLine : for ( final String line : lines ) {
if ( line . charAt ( 0 ) ! = '/' ) continue ;
if ( line . charAt ( 0 ) ! = '/' ) continue ;
final String [ ] tokens = line . split ( " +" , 6 ) ;
final String [ ] tokens = line . split ( " +" , 6 ) ;
@ -200,9 +171,14 @@ public class diskUsage {
}
}
}
}
return diskUsages ;
return diskUsages ;
} catch ( IOException e ) {
usageError = "dfUnix: " + e . getMessage ( ) ;
return diskUsages ;
}
}
}
private static void dfUnixGetVolumes ( ) {
private static void dfUnixGetVolumes ( ) {
try {
final List < String > lines = dfUnixExec ( ) ;
final List < String > lines = dfUnixExec ( ) ;
nextLine : for ( final String line : lines ) {
nextLine : for ( final String line : lines ) {
@ -219,9 +195,12 @@ public class diskUsage {
allMountPoints . add ( allMountPoints . size ( ) , tokens [ 5 ] ) ;
allMountPoints . add ( allMountPoints . size ( ) , tokens [ 5 ] ) ;
allVolumes . add ( allVolumes . size ( ) , tokens [ 0 ] ) ;
allVolumes . add ( allVolumes . size ( ) , tokens [ 0 ] ) ;
}
}
} catch ( IOException e ) {
usageError = "error during dfUnixGetVolumes: " + e . getMessage ( ) ;
}
}
}
private static List < String > dfUnixExec ( ) {
private static List < String > dfUnixExec ( ) throws IOException {
// -k set blocksize to 1024
// -k set blocksize to 1024
// confirmed with tests:
// confirmed with tests:
@ -251,15 +230,6 @@ public class diskUsage {
processArgs . add ( "-l" ) ;
processArgs . add ( "-l" ) ;
final List < String > lines = getConsoleOutput ( processArgs ) ;
final List < String > lines = getConsoleOutput ( processArgs ) ;
if ( consoleError ) {
errorMessage = "df:" ;
for ( final String line : lines ) {
errorMessage + = "\n" + line ;
}
usable = false ;
lines . clear ( ) ;
}
return lines ;
return lines ;
}
}
@ -274,7 +244,7 @@ public class diskUsage {
try {
try {
dir = element . getCanonicalPath ( ) ;
dir = element . getCanonicalPath ( ) ;
} catch ( final IOException e ) {
} catch ( final IOException e ) {
usa ble = false ;
usa geError = "checkVolumesInUseUnix(1): " + e . getMessage ( ) ;
break ;
break ;
}
}
if ( dir . endsWith ( "HTCACHE" )
if ( dir . endsWith ( "HTCACHE" )
@ -291,7 +261,7 @@ public class diskUsage {
try {
try {
base = element . getCanonicalPath ( ) ;
base = element . getCanonicalPath ( ) ;
} catch ( final IOException e ) {
} catch ( final IOException e ) {
usa ble = false ;
usa geError = "checkVolumesInUseUnix(2): " + e . getMessage ( ) ;
break ;
break ;
}
}
checkPathUsageUnix ( base ) ;
checkPathUsageUnix ( base ) ;
@ -323,8 +293,7 @@ public class diskUsage {
String path = null ;
String path = null ;
try { path = file . getCanonicalPath ( ) . toString ( ) ; } catch ( final IOException e ) {
try { path = file . getCanonicalPath ( ) . toString ( ) ; } catch ( final IOException e ) {
errorMessage = "Cant get DATA directory" ;
usageError = "Cant get DATA directory" ;
usable = false ;
return ;
return ;
}
}
if ( path . length ( ) < 6 )
if ( path . length ( ) < 6 )
@ -341,25 +310,16 @@ public class diskUsage {
processArgs . add ( "dir" ) ;
processArgs . add ( "dir" ) ;
processArgs . add ( yacyUsedVolumes . get ( i ) + ":\\" ) ;
processArgs . add ( yacyUsedVolumes . get ( i ) + ":\\" ) ;
try {
final List < String > lines = getConsoleOutput ( processArgs ) ;
final List < String > lines = getConsoleOutput ( processArgs ) ;
if ( consoleError ) {
errorMessage = "df:" ;
for ( final String line : lines ) {
errorMessage + = "\n" + line ;
}
usable = false ;
return diskUsages ;
}
String line = "" ;
String line = "" ;
for ( int l = lines . size ( ) - 1 ; l > = 0 ; l - - ) {
for ( int l = lines . size ( ) - 1 ; l > = 0 ; l - - ) {
line = lines . get ( l ) . trim ( ) ;
line = lines . get ( l ) . trim ( ) ;
if ( line . length ( ) > 0 )
if ( line . length ( ) > 0 ) break ;
break ;
}
}
if ( line . length ( ) = = 0 ) {
if ( line . length ( ) = = 0 ) {
errorMessage = "unable to get free size of volume " + yacyUsedVolumes . get ( i ) ;
usageError = "unable to get free size of volume " + yacyUsedVolumes . get ( i ) ;
usable = false ;
return diskUsages ;
return diskUsages ;
}
}
@ -368,6 +328,11 @@ public class diskUsage {
vals [ 0 ] = - 1 ;
vals [ 0 ] = - 1 ;
try { vals [ 1 ] = new Long ( tokens [ 2 ] . replaceAll ( "[.,]" , "" ) ) ; } catch ( final NumberFormatException e ) { continue ; }
try { vals [ 1 ] = new Long ( tokens [ 2 ] . replaceAll ( "[.,]" , "" ) ) ; } catch ( final NumberFormatException e ) { continue ; }
diskUsages . put ( yacyUsedVolumes . get ( i ) , vals ) ;
diskUsages . put ( yacyUsedVolumes . get ( i ) , vals ) ;
} catch ( IOException e ) {
usageError = "dfWindows: " + e . getMessage ( ) ;
return diskUsages ;
}
}
}
return diskUsages ;
return diskUsages ;
}
}
@ -376,14 +341,14 @@ public class diskUsage {
// common //
// common //
/////////////
/////////////
private static int getOS ( ) {
private static int getOS ( ) {
final String os = System . getProperty ( "os.name" ) . toLowerCase ( ) ;
final String os = System . getProperty ( "os.name" ) . toLowerCase ( ) ;
for ( int i = 0 ; i < OSname . length ; i + + )
for ( int i = 0 ; i < OSname . length ; i + + )
{
{
if ( os . indexOf ( OSname [ i ] ) > = 0 )
if ( os . indexOf ( OSname [ i ] ) > = 0 )
return i ;
return i ;
}
}
Message = "unknown operating system (" + System . getProperty ( "os.name" ) + ")" ;
usag eE rror = "unknown operating system (" + System . getProperty ( "os.name" ) + ")" ;
return - 1 ;
return - 1 ;
}
}
@ -405,24 +370,24 @@ public class diskUsage {
}
}
}
}
private static void checkPathUsageWindows ( final String path ) {
private static void checkPathUsageWindows ( final String path ) {
int index = - 1 ;
int index = - 1 ;
String sub = path . substring ( 0 , 1 ) ; // ?? nur ein character?
String sub = path . substring ( 0 , 1 ) ; // ?? nur ein character?
try { index = yacyUsedVolumes . indexOf ( sub ) ; } catch ( IndexOutOfBoundsException e ) {
try {
errorMessage = "internal error while checking used windows volumes" ;
index = yacyUsedVolumes . indexOf ( sub ) ;
usable = false ;
} catch ( IndexOutOfBoundsException e ) {
usageError = "internal error while checking used windows volumes" ;
return ;
return ;
}
}
if ( index < 0 )
if ( index < 0 )
yacyUsedVolumes . add ( sub ) ;
yacyUsedVolumes . add ( sub ) ;
}
}
private static List < String > getConsoleOutput ( final List < String > processArgs ) {
private static List < String > getConsoleOutput ( final List < String > processArgs ) throws IOException {
final ProcessBuilder processBuilder = new ProcessBuilder ( processArgs ) ;
final ProcessBuilder processBuilder = new ProcessBuilder ( processArgs ) ;
Process process = null ;
Process process = null ;
consoleInterface inputStream = null ;
consoleInterface inputStream = null ;
consoleInterface errorStream = null ;
consoleInterface errorStream = null ;
consoleError = false ;
try {
try {
process = processBuilder . start ( ) ;
process = processBuilder . start ( ) ;
@ -435,24 +400,18 @@ public class diskUsage {
/*int retval =*/ process . waitFor ( ) ;
/*int retval =*/ process . waitFor ( ) ;
} catch ( final IOException iox ) {
} catch ( final IOException iox ) {
consoleError = true ;
log . logWarning ( "logpoint 0 " + iox . getMessage ( ) ) ;
log . logWarning ( "logpoint 0 " + iox . getMessage ( ) ) ;
List < String > list = new ArrayList < String > ( ) ;
throw new IOException ( iox . getMessage ( ) ) ;
list . add ( iox . getMessage ( ) ) ;
} catch ( final InterruptedException ix ) {
return list ;
} catch ( final InterruptedException ix ) {
consoleError = true ;
log . logWarning ( "logpoint 1 " + ix . getMessage ( ) ) ;
log . logWarning ( "logpoint 1 " + ix . getMessage ( ) ) ;
List < String > list = new ArrayList < String > ( ) ;
throw new IOException ( ix . getMessage ( ) ) ;
list . add ( ix . getMessage ( ) ) ;
return list ;
}
}
List < String > list = inputStream . getOutput ( ) ;
List < String > list = inputStream . getOutput ( ) ;
if ( list . isEmpty ( ) ) {
if ( list . isEmpty ( ) ) {
consoleError = true ;
String error = errorStream . getOutput ( ) . toString ( ) ;
log . logWarning ( "logpoint 2 ") ;
log . logWarning ( "logpoint 2 : "+ error ) ;
return errorStream . getOutput ( ) ;
throw new IOException ( "empty list: " + error ) ;
} else
} else
return list ;
return list ;
}
}
orbiter
17 years ago