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2003-03-20 Michael Koch <konqueror@gmx.de>

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* gnu/java/nio/FileChannelImpl.java
	(address): Removed.
	(map_address): New member variable.
	(length): Make it package private.
	(fd): Make it package private.
	(buf): Make it package private.
	(file_obj): Make it package private.
	(FileChannelImpl): New constructor.
	(nio_mmap_file): Use RawData instead of long.
	(nio_munmap_file): Use RawData instead of long.
	(nio_msync): Use RawData instead of long.
	(implCloseChannel): New implementation using map_address.
	(read): Reformated.
	(map): Implemented.
	(create_direct_mapped_buffer): Implemented, use RawData, throws
	IOException.
	(force): Use map_address instead of address.
	* gnu/java/nio/MappedByteFileBuffer.java
	(address): Removed.
	(map_address): New member variable.
	(MappedByteFileBuffer): Use map_address instead of address, reformated.
	(several methods): Use map_address instead of address, replaced long
	with RawData where appropriate.
	* gnu/java/nio/natFileChannelImpl.cc
	(nio_mmap_file): Replaced long with RawData.
	(nio_munmap_file): Replaced long with RawData.
	(nio_msync): Replaced long with RawData.
	* gnu/java/nio/natMappedByteFileBuffer.cc
	(several methods): Replaced long with RawData where appropriate.

From-SVN: r64612
This commit is contained in:
Michael Koch 2003-03-20 11:14:35 +00:00 committed by Michael Koch
parent 111a007d96
commit 54c99af155
5 changed files with 170 additions and 108 deletions
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32
libjava/ChangeLog
View File

@ -1,3 +1,35 @@
2003-03-20 Michael Koch <konqueror@gmx.de>
* gnu/java/nio/FileChannelImpl.java
(address): Removed.
(map_address): New member variable.
(length): Make it package private.
(fd): Make it package private.
(buf): Make it package private.
(file_obj): Make it package private.
(FileChannelImpl): New constructor.
(nio_mmap_file): Use RawData instead of long.
(nio_munmap_file): Use RawData instead of long.
(nio_msync): Use RawData instead of long.
(implCloseChannel): New implementation using map_address.
(read): Reformated.
(map): Implemented.
(create_direct_mapped_buffer): Implemented, use RawData, throws
IOException.
(force): Use map_address instead of address.
* gnu/java/nio/MappedByteFileBuffer.java
(address): Removed.
(map_address): New member variable.
(MappedByteFileBuffer): Use map_address instead of address, reformated.
(several methods): Use map_address instead of address, replaced long
with RawData where appropriate.
* gnu/java/nio/natFileChannelImpl.cc
(nio_mmap_file): Replaced long with RawData.
(nio_munmap_file): Replaced long with RawData.
(nio_msync): Replaced long with RawData.
* gnu/java/nio/natMappedByteFileBuffer.cc
(several methods): Replaced long with RawData where appropriate.
2003-03-20 Michael Koch <konqueror@gmx.de>
* java/net/InetAddress.java,

70
libjava/gnu/java/nio/FileChannelImpl.java
View File

@ -52,6 +52,7 @@ import java.nio.channels.NonReadableChannelException;
import java.nio.channels.NonWritableChannelException;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.WritableByteChannel;
import gnu.gcj.RawData;
/**
* This file is not user visible !
@ -63,11 +64,14 @@ import java.nio.channels.WritableByteChannel;
public class FileChannelImpl extends FileChannel
{
public long address;
public int length;
public FileDescriptor fd;
public MappedByteBuffer buf;
public Object file_obj; // just to keep it live...
// GCJ LOCAL: This variable stores a pointer to the memory
// where the file is mapped.
RawData map_address;
int length;
FileDescriptor fd;
MappedByteBuffer buf;
Object file_obj; // just to keep it live...
public FileChannelImpl (FileDescriptor fd, boolean write, Object obj)
{
@ -80,24 +84,27 @@ public class FileChannelImpl extends FileChannel
this.file_obj = obj;
}
public FileChannelImpl ()
{
this (new FileDescriptor (-1), true, null);
}
private native long implPosition ();
private native FileChannel implPosition (long newPosition);
private native FileChannel implTruncate (long size);
private native long nio_mmap_file (long pos, long size, int mode);
private native void nio_unmmap_file (long address, int size);
private native void nio_msync (long address, int length);
private native RawData nio_mmap_file (long pos, long size, int mode);
private native void nio_unmmap_file (RawData map_address, int size);
private native void nio_msync (RawData map_address, int length);
public native long size () throws IOException;
protected void implCloseChannel() throws IOException
{
// FIXME
if (address != 0)
if (map_address != null)
{
//nio_unmmap_file (fd, address, (int) length);
address = 0;
nio_unmmap_file (map_address, (int) length);
map_address = null;
}
if (file_obj instanceof RandomAccessFile)
@ -126,9 +133,9 @@ public class FileChannelImpl extends FileChannel
throw new EOFException("file not mapped");
}
for (int i=0; i<s; i++)
for (int i = 0; i < s; i++)
{
dst.put( buf.get() );
dst.put (buf.get());
}
return s;
@ -154,9 +161,9 @@ public class FileChannelImpl extends FileChannel
long result = 0;
for (int i = offset; i < offset + length; i++)
{
result += write (dsts[i]);
}
{
result += write (dsts [i]);
}
return result;
}
@ -218,23 +225,22 @@ public class FileChannelImpl extends FileChannel
|| size > Integer.MAX_VALUE)
throw new IllegalArgumentException ();
// int cmode = mode.m;
// address = nio_mmap_file (fd, position, size, cmode);
// length = size;
// buf = new MappedByteFileBuffer (this);
// return buf;
return null;
int cmode = mode.m;
map_address = nio_mmap_file (position, size, cmode);
length = (int) size;
buf = new MappedByteFileBuffer (this);
return buf;
}
static MappedByteBuffer create_direct_mapped_buffer (long address,
static MappedByteBuffer create_direct_mapped_buffer (RawData map_address,
long length)
throws IOException
{
// FileChannelImpl ch = new FileChannelImpl (-1, null);
// ch.address = address;
// ch.length = (int) length;
// ch.buf = new MappedByteFileBuffer (ch);
// return ch.buf;
return null;
FileChannelImpl ch = new FileChannelImpl ();
ch.map_address = map_address;
ch.length = (int) length;
ch.buf = new MappedByteFileBuffer (ch);
return ch.buf;
}
public long write (ByteBuffer[] srcs)
@ -253,7 +259,7 @@ public class FileChannelImpl extends FileChannel
// FIXME: What to do with metaData ?
nio_msync (address, length);
nio_msync (map_address, length);
}
public long transferTo (long position, long count, WritableByteChannel target)

131
libjava/gnu/java/nio/MappedByteFileBuffer.java
View File

@ -46,11 +46,12 @@ import java.nio.LongBuffer;
import java.nio.ShortBuffer;
import java.nio.MappedByteBuffer;
import java.io.IOException;
import gnu.gcj.RawData;
final public class MappedByteFileBuffer
extends MappedByteBuffer
{
public long address;
RawData map_address;
boolean readOnly;
boolean direct;
public FileChannelImpl ch;
@ -60,13 +61,17 @@ final public class MappedByteFileBuffer
super ((int) ch.size (), (int) ch.size (), 0, -1);
this.ch = ch;
address = ch.address;
try {
long si = ch.size() / 1;
limit((int)si);
} catch (IOException e) {
System.err.println("failed to get size of file-channel's file");
}
map_address = ch.map_address;
try
{
long si = ch.size () / 1;
limit ((int) si);
}
catch (IOException e)
{
System.err.println ("failed to get size of file-channel's file");
}
}
public MappedByteFileBuffer (MappedByteFileBuffer b)
@ -76,7 +81,7 @@ final public class MappedByteFileBuffer
this.readOnly = b.isReadOnly ();
this.ch = b.ch;
address = b.address;
map_address = b.map_address;
limit (b.limit ());
}
@ -87,57 +92,59 @@ final public class MappedByteFileBuffer
public static native byte nio_read_Byte_file_channel (FileChannelImpl ch,
int index, int limit,
long address);
RawData map_address);
public static native void nio_write_Byte_file_channel (FileChannelImpl ch,
int index, int limit,
byte value,
long address);
RawData map_address);
public static native short nio_read_Short_file_channel (FileChannelImpl ch,
int index, int limit,
long address);
RawData map_address);
public static native void nio_write_Short_file_channel (FileChannelImpl ch,
int index, int limit,
short value,
long address);
RawData map_address);
public static native char nio_read_Char_file_channel (FileChannelImpl ch,
int index, int limit,
long address);
RawData map_address);
public static native void nio_write_Char_file_channel (FileChannelImpl ch,
int index, int limit,
char value,
long address);
RawData map_address);
public static native int nio_read_Int_file_channel (FileChannelImpl ch,
int index, int limit,
long address);
RawData map_address);
public static native void nio_write_Int_file_channel (FileChannelImpl ch,
int index, int limit,
int value, long address);
int value,
RawData map_address);
public static native long nio_read_Long_file_channel (FileChannelImpl ch,
int index, int limit,
long address);
RawData map_address);
public static native void nio_write_Long_file_channel (FileChannelImpl ch,
int index, int limit,
long value,
long address);
RawData map_address);
public static native float nio_read_Float_file_channel (FileChannelImpl ch,
int index, int limit,
long address);
RawData map_address);
public static native void nio_write_Float_file_channel (FileChannelImpl ch,
int index, int limit,
float value,
long address);
public static native double nio_read_Double_file_channel (FileChannelImpl ch,
int index, int limit,
long address);
RawData map_address);
public static native double
nio_read_Double_file_channel (FileChannelImpl ch, int index, int limit,
RawData map_address);
public static native void nio_write_Double_file_channel (FileChannelImpl ch,
int index, int limit,
double value,
long address);
RawData map_address);
final public byte get ()
{
byte a = MappedByteFileBuffer.nio_read_Byte_file_channel (ch, position (),
limit (), address);
limit (),
map_address);
position (position () + 1);
return a;
}
@ -145,7 +152,7 @@ final public class MappedByteFileBuffer
final public ByteBuffer put (byte b)
{
MappedByteFileBuffer.nio_write_Byte_file_channel (ch, position (), limit (),
b, address);
b, map_address);
position (position () + 1);
return this;
}
@ -154,14 +161,14 @@ final public class MappedByteFileBuffer
{
byte a = MappedByteFileBuffer.nio_read_Byte_file_channel (ch, index,
limit (),
address);
map_address);
return a;
}
final public ByteBuffer put (int index, byte b)
{
MappedByteFileBuffer.nio_write_Byte_file_channel (ch, index, limit (), b,
address);
map_address);
return this;
}
@ -203,27 +210,28 @@ final public class MappedByteFileBuffer
final public byte getByte ()
{
byte a = nio_read_Byte_file_channel (ch, position (), limit (), address);
byte a = nio_read_Byte_file_channel (ch, position (), limit (),
map_address);
position (position () + 1);
return a;
}
final public ByteBuffer putByte (byte value)
{
nio_write_Byte_file_channel (ch, position (), limit (), value, address);
nio_write_Byte_file_channel (ch, position (), limit (), value, map_address);
position (position () + 1);
return this;
}
final public byte getByte (int index)
{
byte a = nio_read_Byte_file_channel (ch, index, limit(), address);
byte a = nio_read_Byte_file_channel (ch, index, limit(), map_address);
return a;
}
final public ByteBuffer putByte (int index, byte value)
{
nio_write_Byte_file_channel (ch, index, limit (), value, address);
nio_write_Byte_file_channel (ch, index, limit (), value, map_address);
return this;
};
@ -237,27 +245,28 @@ final public class MappedByteFileBuffer
final public char getChar ()
{
char a = nio_read_Char_file_channel (ch, position (), limit (), address);
char a = nio_read_Char_file_channel (ch, position (), limit (),
map_address);
position (position () + 1);
return a;
}
final public ByteBuffer putChar (char value)
{
nio_write_Char_file_channel (ch, position (), limit (), value, address);
nio_write_Char_file_channel (ch, position (), limit (), value, map_address);
position (position () + 1);
return this;
}
final public char getChar (int index)
{
char a = nio_read_Char_file_channel (ch, index, limit (), address);
char a = nio_read_Char_file_channel (ch, index, limit (), map_address);
return a;
}
final public ByteBuffer putChar (int index, char value)
{
nio_write_Char_file_channel (ch, index, limit (), value, address);
nio_write_Char_file_channel (ch, index, limit (), value, map_address);
return this;
};
@ -271,27 +280,29 @@ final public class MappedByteFileBuffer
final public short getShort ()
{
short a = nio_read_Short_file_channel (ch, position (), limit (), address);
short a = nio_read_Short_file_channel (ch, position (), limit (),
map_address);
position (position () + 1);
return a;
}
final public ByteBuffer putShort (short value)
{
nio_write_Short_file_channel (ch, position (), limit (), value, address);
nio_write_Short_file_channel (ch, position (), limit (), value,
map_address);
position (position () + 1);
return this;
}
final public short getShort (int index)
{
short a = nio_read_Short_file_channel (ch, index, limit (), address);
short a = nio_read_Short_file_channel (ch, index, limit (), map_address);
return a;
}
final public ByteBuffer putShort (int index, short value)
{
nio_write_Short_file_channel (ch, index, limit (), value, address);
nio_write_Short_file_channel (ch, index, limit (), value, map_address);
return this;
}
@ -305,28 +316,27 @@ final public class MappedByteFileBuffer
final public int getInt ()
{
int a = nio_read_Int_file_channel (ch, position (), limit (), address);
int a = nio_read_Int_file_channel (ch, position (), limit (), map_address);
position (position () + 1);
return a;
}
final public ByteBuffer putInt (int value)
{
nio_write_Int_file_channel (ch, position (), limit (), value, address);
nio_write_Int_file_channel (ch, position (), limit (), value, map_address);
position (position () + 1);
return this;
}
final public int getInt (int index)
{
int a = nio_read_Int_file_channel (ch, index, limit (),
address);
int a = nio_read_Int_file_channel (ch, index, limit (), map_address);
return a;
}
final public ByteBuffer putInt (int index, int value)
{
nio_write_Int_file_channel (ch, index, limit (), value, address);
nio_write_Int_file_channel (ch, index, limit (), value, map_address);
return this;
}
@ -340,27 +350,28 @@ final public class MappedByteFileBuffer
final public long getLong ()
{
long a = nio_read_Long_file_channel (ch, position (), limit (), address);
long a = nio_read_Long_file_channel (ch, position (), limit (),
map_address);
position (position () + 1);
return a;
}
final public ByteBuffer putLong (long value)
{
nio_write_Long_file_channel (ch, position (), limit (), value, address);
nio_write_Long_file_channel (ch, position (), limit (), value, map_address);
position (position () + 1);
return this;
}
final public long getLong (int index)
{
long a = nio_read_Long_file_channel (ch, index, limit (), address);
long a = nio_read_Long_file_channel (ch, index, limit (), map_address);
return a;
}
final public ByteBuffer putLong (int index, long value)
{
nio_write_Long_file_channel (ch, index, limit (), value, address);
nio_write_Long_file_channel (ch, index, limit (), value, map_address);
return this;
}
@ -374,27 +385,29 @@ final public class MappedByteFileBuffer
final public float getFloat ()
{
float a = nio_read_Float_file_channel (ch, position (), limit (), address);
float a = nio_read_Float_file_channel (ch, position (), limit (),
map_address);
position (position () + 1);
return a;
}
final public ByteBuffer putFloat (float value)
{
nio_write_Float_file_channel (ch, position (), limit (), value, address);
nio_write_Float_file_channel (ch, position (), limit (), value,
map_address);
position (position () + 1);
return this;
}
final public float getFloat (int index)
{
float a = nio_read_Float_file_channel (ch, index, limit (), address);
float a = nio_read_Float_file_channel (ch, index, limit (), map_address);
return a;
}
final public ByteBuffer putFloat (int index, float value)
{
nio_write_Float_file_channel (ch, index, limit (), value, address);
nio_write_Float_file_channel (ch, index, limit (), value, map_address);
return this;
}
@ -408,27 +421,29 @@ final public class MappedByteFileBuffer
final public double getDouble ()
{
double a = nio_read_Double_file_channel (ch, position (), limit (), address);
double a = nio_read_Double_file_channel (ch, position (), limit (),
map_address);
position (position () + 1);
return a;
}
final public ByteBuffer putDouble (double value)
{
nio_write_Double_file_channel (ch, position (), limit (), value, address);
nio_write_Double_file_channel (ch, position (), limit (), value,
map_address);
position (position () + 1);
return this;
}
final public double getDouble (int index)
{
double a = nio_read_Double_file_channel (ch, index, limit (), address);
double a = nio_read_Double_file_channel (ch, index, limit (), map_address);
return a;
}
final public ByteBuffer putDouble (int index, double value)
{
nio_write_Double_file_channel (ch, index, limit (), value, address);
nio_write_Double_file_channel (ch, index, limit (), value, map_address);
return this;
}
}

9
libjava/gnu/java/nio/natFileChannelImpl.cc
View File

@ -24,6 +24,7 @@ details. */
#include <fcntl.h>
#endif
#include <gnu/gcj/RawData.h>
#include <gnu/java/nio/FileChannelImpl.h>
#include <java/io/FileDescriptor.h>
#include <java/io/IOException.h>
@ -55,20 +56,20 @@ gnu::java::nio::FileChannelImpl::implTruncate (jlong size)
return this;
}
jlong
gnu::java::nio::FileChannelImpl::nio_mmap_file (jlong, jlong, jint)
gnu::gcj::RawData*
gnu::java::nio::FileChannelImpl::nio_mmap_file (jlong pos, jlong size, jint /*mode*/)
{
throw new ::java::io::IOException (JvNewStringUTF ("mmap not implemented"));
}
void
gnu::java::nio::FileChannelImpl::nio_unmmap_file (jlong, jint)
gnu::java::nio::FileChannelImpl::nio_unmmap_file (gnu::gcj::RawData* map_address, jint size)
{
throw new ::java::io::IOException (JvNewStringUTF ("munmap not implemented"));
}
void
gnu::java::nio::FileChannelImpl::nio_msync (jlong, jint)
gnu::java::nio::FileChannelImpl::nio_msync (gnu::gcj::RawData* map_address, jint length)
{
throw new ::java::io::IOException (JvNewStringUTF ("msync not implemented"));
}

36
libjava/gnu/java/nio/natMappedByteFileBuffer.cc
View File

@ -24,13 +24,14 @@ details. */
#include <fcntl.h>
#endif
#include <gnu/gcj/RawData.h>
#include <gnu/java/nio/MappedByteFileBuffer.h>
#include <java/lang/Error.h>
jbyte
gnu::java::nio::MappedByteFileBuffer::nio_read_Byte_file_channel
(gnu::java::nio::FileChannelImpl*,
jint, jint, jlong)
jint, jint, gnu::gcj::RawData*)
{
throw new ::java::lang::Error (_Jv_NewStringUTF ("not implemented"));
}
@ -38,7 +39,7 @@ gnu::java::nio::MappedByteFileBuffer::nio_read_Byte_file_channel
jchar
gnu::java::nio::MappedByteFileBuffer::nio_read_Char_file_channel
(gnu::java::nio::FileChannelImpl*,
jint, jint, jlong)
jint, jint, gnu::gcj::RawData*)
{
throw new ::java::lang::Error (_Jv_NewStringUTF ("not implemented"));
}
@ -46,7 +47,7 @@ gnu::java::nio::MappedByteFileBuffer::nio_read_Char_file_channel
jdouble
gnu::java::nio::MappedByteFileBuffer::nio_read_Double_file_channel
(gnu::java::nio::FileChannelImpl*,
jint, jint, jlong)
jint, jint, gnu::gcj::RawData*)
{
throw new ::java::lang::Error (_Jv_NewStringUTF ("not implemented"));
}
@ -54,7 +55,7 @@ gnu::java::nio::MappedByteFileBuffer::nio_read_Double_file_channel
jfloat
gnu::java::nio::MappedByteFileBuffer::nio_read_Float_file_channel
(gnu::java::nio::FileChannelImpl*,
jint, jint, jlong)
jint, jint, gnu::gcj::RawData*)
{
throw new ::java::lang::Error (_Jv_NewStringUTF ("not implemented"));
}
@ -62,7 +63,7 @@ gnu::java::nio::MappedByteFileBuffer::nio_read_Float_file_channel
jint
gnu::java::nio::MappedByteFileBuffer::nio_read_Int_file_channel
(gnu::java::nio::FileChannelImpl*,
jint, jint, jlong)
jint, jint, gnu::gcj::RawData*)
{
throw new ::java::lang::Error (_Jv_NewStringUTF ("not implemented"));
}
@ -70,7 +71,7 @@ gnu::java::nio::MappedByteFileBuffer::nio_read_Int_file_channel
jlong
gnu::java::nio::MappedByteFileBuffer::nio_read_Long_file_channel
(gnu::java::nio::FileChannelImpl*,
jint, jint, jlong)
jint, jint, gnu::gcj::RawData*)
{
throw new ::java::lang::Error (_Jv_NewStringUTF ("not implemented"));
}
@ -78,7 +79,7 @@ gnu::java::nio::MappedByteFileBuffer::nio_read_Long_file_channel
jshort
gnu::java::nio::MappedByteFileBuffer::nio_read_Short_file_channel
(gnu::java::nio::FileChannelImpl*,
jint, jint, jlong)
jint, jint, gnu::gcj::RawData*)
{
throw new ::java::lang::Error (_Jv_NewStringUTF ("not implemented"));
}
@ -86,7 +87,8 @@ gnu::java::nio::MappedByteFileBuffer::nio_read_Short_file_channel
void
gnu::java::nio::MappedByteFileBuffer::nio_write_Byte_file_channel
(gnu::java::nio::FileChannelImpl*,
jint, jint, jbyte, jlong)
jint, jint, jbyte,
gnu::gcj::RawData*)
{
throw new ::java::lang::Error (_Jv_NewStringUTF ("not implemented"));
}
@ -94,7 +96,8 @@ gnu::java::nio::MappedByteFileBuffer::nio_write_Byte_file_channel
void
gnu::java::nio::MappedByteFileBuffer::nio_write_Char_file_channel
(gnu::java::nio::FileChannelImpl*,
jint, jint, jchar, jlong)
jint, jint, jchar,
gnu::gcj::RawData*)
{
throw new ::java::lang::Error (_Jv_NewStringUTF ("not implemented"));
}
@ -102,7 +105,8 @@ gnu::java::nio::MappedByteFileBuffer::nio_write_Char_file_channel
void
gnu::java::nio::MappedByteFileBuffer::nio_write_Double_file_channel
(gnu::java::nio::FileChannelImpl*,
jint, jint, jdouble, jlong)
jint, jint, jdouble,
gnu::gcj::RawData*)
{
throw new ::java::lang::Error (_Jv_NewStringUTF ("not implemented"));
}
@ -110,7 +114,8 @@ gnu::java::nio::MappedByteFileBuffer::nio_write_Double_file_channel
void
gnu::java::nio::MappedByteFileBuffer::nio_write_Float_file_channel
(gnu::java::nio::FileChannelImpl*,
jint, jint, jfloat, jlong)
jint, jint, jfloat,
gnu::gcj::RawData*)
{
throw new ::java::lang::Error (_Jv_NewStringUTF ("not implemented"));
}
@ -118,7 +123,8 @@ gnu::java::nio::MappedByteFileBuffer::nio_write_Float_file_channel
void
gnu::java::nio::MappedByteFileBuffer::nio_write_Int_file_channel
(gnu::java::nio::FileChannelImpl*,
jint, jint, jint, jlong)
jint, jint, jint,
gnu::gcj::RawData*)
{
throw new ::java::lang::Error (_Jv_NewStringUTF ("not implemented"));
}
@ -126,7 +132,8 @@ gnu::java::nio::MappedByteFileBuffer::nio_write_Int_file_channel
void
gnu::java::nio::MappedByteFileBuffer::nio_write_Long_file_channel
(gnu::java::nio::FileChannelImpl*,
jint, jint, jlong, jlong)
jint, jint, jlong,
gnu::gcj::RawData*)
{
throw new ::java::lang::Error (_Jv_NewStringUTF ("not implemented"));
}
@ -134,7 +141,8 @@ gnu::java::nio::MappedByteFileBuffer::nio_write_Long_file_channel
void
gnu::java::nio::MappedByteFileBuffer::nio_write_Short_file_channel
(gnu::java::nio::FileChannelImpl*,
jint, jint, jshort, jlong)
jint, jint, jshort,
gnu::gcj::RawData*)
{
throw new ::java::lang::Error (_Jv_NewStringUTF ("not implemented"));
}