/usr/share/doc/libjcifs-java/examples/ThreadedSmbCrawler.java is in libjcifs-java-doc 1.3.19-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 | /* examples for the jcifs smb client library in Java
* Copyright (C) 2000 "Michael B. Allen" <jcifs at samba dot org>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
import jcifs.smb.SmbFile;
import java.util.LinkedList;
import java.util.ListIterator;
import java.net.MalformedURLException;
import java.io.IOException;
public class ThreadedSmbCrawler {
static int workingThreads = 0;
class DirEntry {
SmbFile dir;
int depth;
DirEntry( SmbFile dir, int depth ) {
this.dir = dir;
this.depth = depth;
}
}
class SmbCrawlerThread extends Thread {
StringBuffer sb = new StringBuffer();
public void run() {
while( true ) {
try {
DirEntry e;
synchronized( dirList ) {
while( dirList.isEmpty() ) {
//System.err.println( "workingThreads=" + workingThreads );
if( workingThreads == 0 ) {
return; // done
}
dirList.wait( 2000 );
}
e = (DirEntry)dirList.remove( 0 );
if( e.depth == 0 ) {
continue;
}
workingThreads++;
}
SmbFile[] l = e.dir.listFiles();
int n = maxDepth - e.depth;
for(int i = 0; l != null && i < l.length; i++ ) {
try {
sb.setLength( 0 );
for( int k = 0; k < n; k++ ) {
sb.append( " " );
}
SmbFile d = l[i];
System.err.println( sb.append( d ));
if( d.isDirectory() ) {
synchronized( dirList ) {
dirList.add( new DirEntry( d, e.depth - 1 ));
dirList.notify();
}
}
} catch( IOException ioe ) {
ioe.printStackTrace();
}
}
synchronized( dirList ) {
workingThreads--;
}
} catch( Exception x ) {
synchronized( dirList ) {
workingThreads--;
}
x.printStackTrace();
}
}
}
}
LinkedList dirList;
int maxDepth, numThreads;
Thread[] threads;
ThreadedSmbCrawler( String dir, int maxDepth, int numThreads ) throws Exception {
this.maxDepth = maxDepth;
this.numThreads = numThreads;
threads = new Thread[numThreads];
dirList = new LinkedList();
dirList.add( new DirEntry( new SmbFile( dir ), maxDepth ));
}
long go() throws Exception {
int i;
long start = System.currentTimeMillis();
for( i = 0; i < numThreads; i++ ) {
threads[i] = new SmbCrawlerThread();
threads[i].start();
}
for( i = 0; i < numThreads; i++ ) {
threads[i].join();
}
return System.currentTimeMillis() - start;
}
public static void main(String[] argv) throws Exception {
ThreadedSmbCrawler tsc;
if( argv.length < 3 ) {
System.err.println( "usage: ThreadedSmbCrawler dir depth numThreads" );
System.exit( 1 );
}
tsc = new ThreadedSmbCrawler( argv[0], Integer.parseInt( argv[1] ), Integer.parseInt( argv[2] ));
System.err.println( "Crawling Complete: " + (tsc.go() / 1000) + "sec" );
}
}
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