mirrors/bitcoinj
1
0
Fork 0
mirror of https://github.com/bitcoinj/bitcoinj.git synced 2025-02-22 14:22:45 +01:00
Code Issues Projects Releases Packages Wiki Activity

BlockFileLoader: buffer reading of block files

Browse source 
For now, use 16MB of buffer. That's enough to hold 16 "full" 1MB blocks.
This commit is contained in:
Sean Gilligan 2023-08-14 14:53:55 -07:00 • committed by Andreas Schildbach
parent c5cbff1e47
commit 47129b91e5
1 changed files with 5 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
core/src/main/java/org/bitcoinj/utils/BlockFileLoader.java
View file

@ -23,6 +23,7 @@ import org.bitcoinj.core.MessageSerializer;
import org.bitcoinj.core.NetworkParameters;
import org.bitcoinj.core.ProtocolException;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
@ -58,6 +59,8 @@ import static org.bitcoinj.base.internal.Preconditions.checkArgument;
* }</p>
*/
public class BlockFileLoader implements Iterable<Block> {
private static final int BLOCKFILE_BUFFER_SIZE = 16 * 1024 * 1024;
/**
* Gets the list of files which contain blocks from Bitcoin Core.
*/
@ -118,12 +121,12 @@ public class BlockFileLoader implements Iterable<Block> {
*/
public class BlockFileIterator implements Iterator<Block> {
private final File file;
private final FileInputStream currentFileStream;
private final BufferedInputStream currentFileStream;
private org.bitcoinj.core.Block nextBlock = null;
public BlockFileIterator(File blockFile) throws FileNotFoundException {
this.file = blockFile;
currentFileStream = new FileInputStream(blockFile);
currentFileStream = new BufferedInputStream(new FileInputStream(blockFile), BLOCKFILE_BUFFER_SIZE);
}
@Override