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1.0 preparations

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This commit is contained in:
Arndt 2014-06-19 09:15:51 +02:00
parent 55717c6e71
commit 8fa82633d4
34 changed files with 742 additions and 462 deletions
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75
brouter-mapaccess/src/main/java/btools/mapaccess/ByteDataReader.java
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@ -1,75 +0,0 @@
/**
* fast data-reading from a byte-array
*
* @author ab
*/
package btools.mapaccess;
final class ByteDataReader
{
private byte[] ab;
private int aboffset;
public ByteDataReader( byte[] byteArray )
{
ab = byteArray;
}
public int readInt()
{
int i3 = ab[aboffset++]& 0xff;
int i2 = ab[aboffset++]& 0xff;
int i1 = ab[aboffset++]& 0xff;
int i0 = ab[aboffset++]& 0xff;
return (i3 << 24) + (i2 << 16) + (i1 << 8) + i0;
}
public long readLong()
{
long i7 = ab[aboffset++]& 0xff;
long i6 = ab[aboffset++]& 0xff;
long i5 = ab[aboffset++]& 0xff;
long i4 = ab[aboffset++]& 0xff;
long i3 = ab[aboffset++]& 0xff;
long i2 = ab[aboffset++]& 0xff;
long i1 = ab[aboffset++]& 0xff;
long i0 = ab[aboffset++]& 0xff;
return (i7 << 56) + (i6 << 48) + (i5 << 40) + (i4 << 32) + (i3 << 24) + (i2 << 16) + (i1 << 8) + i0;
}
public boolean readBoolean()
{
int i0 = ab[aboffset++]& 0xff;
return i0 != 0;
}
public byte readByte()
{
int i0 = ab[aboffset++] & 0xff;
return (byte)(i0);
}
public short readShort()
{
int i1 = ab[aboffset++] & 0xff;
int i0 = ab[aboffset++] & 0xff;
return (short)( (i1 << 8) | i0);
}
public void readFully( byte[] ta )
{
System.arraycopy( ab, aboffset, ta, 0, ta.length );
aboffset += ta.length;
}
@Override
public String toString()
{
StringBuilder sb = new StringBuilder( "[" );
for( int i=0; i<ab.length; i++ ) sb.append( i == 0 ? " " : ", " ).append( Integer.toString( ab[i] ) );
sb.append( " ]" );
return sb.toString();
}
}

69
brouter-mapaccess/src/main/java/btools/mapaccess/ByteDataWriter.java
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@ -1,69 +0,0 @@
/**
* fast data-reading from a byte-array
*
* @author ab
*/
package btools.mapaccess;
final class ByteDataWriter
{
private byte[] ab;
private int aboffset;
public ByteDataWriter( byte[] byteArray )
{
ab = byteArray;
}
public void writeInt( int v )
{
ab[aboffset++] = (byte)( (v >> 24) & 0xff );
ab[aboffset++] = (byte)( (v >> 16) & 0xff );
ab[aboffset++] = (byte)( (v >> 8) & 0xff );
ab[aboffset++] = (byte)( (v ) & 0xff );
}
public void writeLong( long v )
{
ab[aboffset++] = (byte)( (v >> 56) & 0xff );
ab[aboffset++] = (byte)( (v >> 48) & 0xff );
ab[aboffset++] = (byte)( (v >> 40) & 0xff );
ab[aboffset++] = (byte)( (v >> 32) & 0xff );
ab[aboffset++] = (byte)( (v >> 24) & 0xff );
ab[aboffset++] = (byte)( (v >> 16) & 0xff );
ab[aboffset++] = (byte)( (v >> 8) & 0xff );
ab[aboffset++] = (byte)( (v ) & 0xff );
}
public void writeBoolean( boolean v)
{
ab[aboffset++] = (byte)( v ? 1 : 0 );
}
public void writeByte( int v )
{
ab[aboffset++] = (byte)( (v ) & 0xff );
}
public void writeShort( int v )
{
ab[aboffset++] = (byte)( (v >> 8) & 0xff );
ab[aboffset++] = (byte)( (v ) & 0xff );
}
public void write( byte[] sa )
{
System.arraycopy( sa, 0, ab, aboffset, sa.length );
aboffset += sa.length;
}
@Override
public String toString()
{
StringBuilder sb = new StringBuilder( "[" );
for( int i=0; i<ab.length; i++ ) sb.append( i == 0 ? " " : ", " ).append( Integer.toString( ab[i] ) );
sb.append( " ]" );
return sb.toString();
}
}

89
brouter-mapaccess/src/main/java/btools/mapaccess/MicroCache.java
View file

@ -5,12 +5,14 @@
*/
package btools.mapaccess;
import java.util.*;
import java.io.*;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import btools.util.ByteDataReader;
import btools.util.Crc32;
final class MicroCache
final class MicroCache extends ByteDataReader
{
private long[] faid;
private int[] fapos;
@ -18,10 +20,10 @@ final class MicroCache
private int delcount = 0;
private int delbytes = 0;
private int p2size; // next power of 2 of size
private boolean readVarLength;
// the object parsing position and length
private byte[] ab;
private int aboffset;
private int aboffsetEnd;
// cache control: a virgin cache can be
@ -29,8 +31,11 @@ final class MicroCache
boolean virgin = true;
boolean ghost = false;
public MicroCache( OsmFile segfile, int lonIdx80, int latIdx80, byte[] iobuffer ) throws Exception
public MicroCache( OsmFile segfile, int lonIdx80, int latIdx80, byte[] iobuffer, boolean readVarLength ) throws Exception
{
super( null );
this.readVarLength = readVarLength;
int lonDegree = lonIdx80/80;
int latDegree = latIdx80/80;
@ -55,20 +60,22 @@ final class MicroCache
}
aboffset = 0;
size = readInt();
// get net size
int nbytes = 0;
for(int i = 0; i<size; i++)
{
int ilon = readShort();
int ilat = readShort();
int bodySize = readInt();
if ( ilon == Short.MAX_VALUE && ilat == Short.MAX_VALUE )
int bodySize = readVarLength ? readVarLengthUnsigned() : readInt();
// kack for the old format crc
if ( !readVarLength && ilon == Short.MAX_VALUE && ilat == Short.MAX_VALUE )
{
int crc = Crc32.crc( ab, 0, aboffset-8 );
int crc = Crc32.crc( ab, 0, aboffset-8 ); // old format crc
if ( crc != readInt() )
{
throw new IOException( "checkum error" );
throw new IOException( "checkum-error" );
}
size = i;
break;
@ -77,6 +84,15 @@ final class MicroCache
nbytes += bodySize;
}
if ( readVarLength ) // new format crc
{
int crc = Crc32.crc( ab, 0, aboffset );
if ( crc != readInt() )
{
throw new IOException( "checkum error" );
}
}
// new array with only net data
byte[] nab = new byte[nbytes];
aboffset = 4;
@ -95,7 +111,7 @@ final class MicroCache
long nodeId = ((long)ilon)<<32 | ilat;
faid[i] = nodeId;
int bodySize = readInt();
int bodySize = readVarLength ? readVarLengthUnsigned() : readInt();
fapos[i] = noffset;
System.arraycopy( ab, aboffset, nab, noffset, bodySize );
aboffset += bodySize;
@ -173,7 +189,7 @@ final class MicroCache
long id = node.getIdFromPos();
if ( getAndClear( id ) )
{
node.parseNodeBody( this, nodesMap, dc );
node.parseNodeBody( this, nodesMap, dc, readVarLength );
}
if ( doCollect && delcount > size / 2 ) // garbage collection
@ -252,53 +268,6 @@ final class MicroCache
return positions;
}
public int readInt()
{
int i3 = ab[aboffset++]& 0xff;
int i2 = ab[aboffset++]& 0xff;
int i1 = ab[aboffset++]& 0xff;
int i0 = ab[aboffset++]& 0xff;
return (i3 << 24) + (i2 << 16) + (i1 << 8) + i0;
}
public long readLong()
{
long i7 = ab[aboffset++]& 0xff;
long i6 = ab[aboffset++]& 0xff;
long i5 = ab[aboffset++]& 0xff;
long i4 = ab[aboffset++]& 0xff;
long i3 = ab[aboffset++]& 0xff;
long i2 = ab[aboffset++]& 0xff;
long i1 = ab[aboffset++]& 0xff;
long i0 = ab[aboffset++]& 0xff;
return (i7 << 56) + (i6 << 48) + (i5 << 40) + (i4 << 32) + (i3 << 24) + (i2 << 16) + (i1 << 8) + i0;
}
public boolean readBoolean()
{
int i0 = ab[aboffset++]& 0xff;
return i0 != 0;
}
public byte readByte()
{
int i0 = ab[aboffset++] & 0xff;
return (byte)(i0);
}
public short readShort()
{
int i1 = ab[aboffset++] & 0xff;
int i0 = ab[aboffset++] & 0xff;
return (short)( (i1 << 8) | i0);
}
public void readFully( byte[] ta )
{
System.arraycopy( ab, aboffset, ta, 0, ta.length );
aboffset += ta.length;
}
public boolean hasMoreData()
{
return aboffset < aboffsetEnd;

8
brouter-mapaccess/src/main/java/btools/mapaccess/NodesCache.java
View file

@ -17,6 +17,7 @@ public final class NodesCache
private OsmNodesMap nodesMap;
private int lookupVersion;
private int lookupMinorVersion;
private boolean readVarLength;
private boolean carMode;
private String currentFileName;
@ -33,12 +34,13 @@ public final class NodesCache
private long cacheSum = 0;
private boolean garbageCollectionEnabled = false;
public NodesCache( String segmentDir, OsmNodesMap nodesMap, int lookupVersion, int lookupMinorVersion, boolean carMode, NodesCache oldCache )
public NodesCache( String segmentDir, OsmNodesMap nodesMap, int lookupVersion, int minorVersion, boolean varLen, boolean carMode, NodesCache oldCache )
{
this.segmentDir = segmentDir;
this.nodesMap = nodesMap;
this.lookupVersion = lookupVersion;
this.lookupMinorVersion = lookupMinorVersion;
this.lookupMinorVersion = minorVersion;
this.readVarLength = varLen;
this.carMode = carMode;
if ( oldCache != null )
@ -145,7 +147,7 @@ public final class NodesCache
checkEnableCacheCleaning();
segment = new MicroCache( osmf, lonIdx80, latIdx80, iobuffer );
segment = new MicroCache( osmf, lonIdx80, latIdx80, iobuffer, readVarLength );
cacheSum += segment.getDataSize();
osmf.microCaches[subIdx] = segment;
segmentList.add( segment );

2
brouter-mapaccess/src/main/java/btools/mapaccess/OsmFile.java
View file

@ -7,6 +7,8 @@ package btools.mapaccess;
import java.io.IOException;
import java.io.RandomAccessFile;
import btools.util.ByteDataReader;
import btools.util.Crc32;
final class OsmFile

52
brouter-mapaccess/src/main/java/btools/mapaccess/OsmNode.java
View file

@ -11,8 +11,9 @@ import btools.util.ByteArrayUnifier;
public class OsmNode implements OsmPos
{
public static final int EXTERNAL_BITMASK = 0x80;
public static final int VARIABLEDESC_BITMASK = 0x40;
public static final int EXTERNAL_BITMASK = 0x80; // old semantic
public static final int SIGNLON_BITMASK = 0x80;
public static final int SIGNLAT_BITMASK = 0x40;
public static final int TRANSFERNODE_BITMASK = 0x20;
public static final int WRITEDESC_BITMASK = 0x10;
public static final int SKIPDETAILS_BITMASK = 0x08;
@ -111,10 +112,10 @@ public class OsmNode implements OsmPos
}
public void parseNodeBody( MicroCache is, OsmNodesMap hollowNodes, DistanceChecker dc )
public void parseNodeBody( MicroCache is, OsmNodesMap hollowNodes, DistanceChecker dc, boolean readVarLength )
{
ByteArrayUnifier abUnifier = hollowNodes.getByteArrayUnifier();
selev = is.readShort();
OsmLink lastlink = null;
@ -124,6 +125,9 @@ public class OsmNode implements OsmPos
while( is.hasMoreData() )
{
int ilonref = ilon;
int ilatref = ilat;
OsmLink link = new OsmLink();
OsmTransferNode firstTransferNode = null;
OsmTransferNode lastTransferNode = null;
@ -133,31 +137,45 @@ public class OsmNode implements OsmPos
for(;;)
{
int bitField = is.readByte();
if ( (bitField & EXTERNAL_BITMASK) != 0 )
// System.out.println( "parseNodeBody: var=" + readVarLength + " bitField=" + bitField );
if ( readVarLength )
{
// full position for external target
linklon = is.readInt();
linklat = is.readInt();
int dlon = is.readVarLengthUnsigned();
int dlat = is.readVarLengthUnsigned();
if ( (bitField & SIGNLON_BITMASK) != 0 ) { dlon = -dlon;}
if ( (bitField & SIGNLAT_BITMASK) != 0 ) { dlat = -dlat;}
linklon = ilonref + dlon;
linklat = ilatref + dlat;
ilonref = linklon;
ilatref = linklat;
}
else
{
// reduced position for internal target
linklon = is.readShort();
linklat = is.readShort();
linklon += lonIdx*62500 + 31250;
linklat += latIdx*62500 + 31250;
if ( (bitField & EXTERNAL_BITMASK) != 0 )
{
// full position for external target
linklon = is.readInt();
linklat = is.readInt();
}
else
{
// reduced position for internal target
linklon = is.readShort();
linklat = is.readShort();
linklon += lonIdx*62500 + 31250;
linklat += latIdx*62500 + 31250;
}
}
// read variable length or old 8 byte fixed, and ensure that 8 bytes is only fixed
boolean readFix8 = (bitField & VARIABLEDESC_BITMASK ) == 0; // old, fix length format
if ( (bitField & WRITEDESC_BITMASK ) != 0 )
{
byte[] ab = new byte[readFix8 ? 8 : is.readByte()];
byte[] ab = new byte[readVarLength ? is.readByte() : 8 ];
is.readFully( ab );
description = abUnifier.unify( ab );
}
if ( (bitField & NODEDESC_BITMASK ) != 0 )
{
byte[] ab = new byte[readFix8 ? 8 : is.readByte()];
byte[] ab = new byte[readVarLength ? is.readByte() : 8 ];
is.readFully( ab );
nodeDescription = abUnifier.unify( ab );
}
@ -185,7 +203,7 @@ public class OsmNode implements OsmPos
trans.ilon = linklon;
trans.ilat = linklat;
trans.descriptionBitmap = description;
trans.selev = is.readShort();
trans.selev = readVarLength ? (short)(selev + is.readVarLengthSigned()) : is.readShort();
if ( lastTransferNode == null )
{
firstTransferNode = trans;

3
brouter-mapaccess/src/main/java/btools/mapaccess/OsmTransferNode.java
View file

@ -5,6 +5,9 @@
*/
package btools.mapaccess;
import btools.util.ByteDataReader;
import btools.util.ByteDataWriter;
public final class OsmTransferNode

4
brouter-mapaccess/src/main/java/btools/mapaccess/PhysicalFile.java
View file

@ -6,6 +6,8 @@
package btools.mapaccess;
import java.io.*;
import btools.util.ByteDataReader;
import btools.util.Crc32;
final public class PhysicalFile
@ -37,7 +39,7 @@ final public class PhysicalFile
if ( osmf.microCaches != null )
for( int lonIdx80=0; lonIdx80<80; lonIdx80++ )
for( int latIdx80=0; latIdx80<80; latIdx80++ )
new MicroCache( osmf, lonIdx80, latIdx80, iobuffer );
new MicroCache( osmf, lonIdx80, latIdx80, iobuffer, true ); // TODO: readVarLength ?
}
}
catch( IllegalArgumentException iae )