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ChunkWriter sync trying to improve chunk join speed
This commit is contained in:
tonikelope 2021-01-12 23:15:15 +01:00
parent 5847ff5cca
commit 1b8467c7a6
4 changed files with 51 additions and 46 deletions
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2
pom.xml
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@ -3,7 +3,7 @@
<modelVersion>4.0.0</modelVersion>
<groupId>com.tonikelope</groupId>
<artifactId>MegaBasterd</artifactId>
<version>7.38</version>
<version>7.39</version>
<packaging>jar</packaging>
<dependencies>
<dependency>

93
src/main/java/com/tonikelope/megabasterd/ChunkWriterManager.java
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@ -159,62 +159,66 @@ public class ChunkWriterManager implements Runnable, SecureSingleThreadNotifiabl
if (_file_size > 0) {
while (!_exit && (!_download.isStopped() || !_download.getChunkworkers().isEmpty()) && _bytes_written < _file_size) {
boolean chunk_io_error;
synchronized (ChunkWriterManager.class) {
do {
boolean chunk_io_error;
chunk_io_error = false;
do {
try {
chunk_io_error = false;
File chunk_file = new File(getChunks_dir() + "/" + new File(_download.getFile_name()).getName() + ".chunk" + String.valueOf(_last_chunk_id_written + 1));
try {
while (chunk_file.exists() && chunk_file.canRead() && chunk_file.length() > 0) {
File chunk_file = new File(getChunks_dir() + "/" + new File(_download.getFile_name()).getName() + ".chunk" + String.valueOf(_last_chunk_id_written + 1));
if (!download_finished && _download.getProgress() == _file_size) {
while (chunk_file.exists() && chunk_file.canRead() && chunk_file.length() > 0) {
_download.getMain_panel().getDownload_manager().getTransference_running_list().remove(_download);
_download.getMain_panel().getDownload_manager().secureNotify();
if (!download_finished && _download.getProgress() == _file_size) {
_download.getView().printStatusNormal("Download finished. Joining file chunks, please wait...");
_download.getView().getPause_button().setVisible(false);
_download.getMain_panel().getGlobal_dl_speed().detachTransference(_download);
_download.getView().getSpeed_label().setVisible(false);
_download.getView().getSlots_label().setVisible(false);
_download.getView().getSlot_status_label().setVisible(false);
_download.getView().getSlots_spinner().setVisible(false);
download_finished = true;
}
_download.getMain_panel().getDownload_manager().getTransference_running_list().remove(_download);
_download.getMain_panel().getDownload_manager().secureNotify();
byte[] buffer = new byte[MainPanel.DEFAULT_BYTE_BUFFER_SIZE];
int reads;
try (CipherInputStream cis = new CipherInputStream(new BufferedInputStream(new FileInputStream(chunk_file)), genDecrypter("AES", "AES/CTR/NoPadding", _byte_file_key, forwardMEGALinkKeyIV(_byte_iv, _bytes_written)))) {
while ((reads = cis.read(buffer)) != -1) {
_download.getOutput_stream().write(buffer, 0, reads);
_download.getView().printStatusNormal("Download finished. Joining file chunks, please wait...");
_download.getView().getPause_button().setVisible(false);
_download.getMain_panel().getGlobal_dl_speed().detachTransference(_download);
_download.getView().getSpeed_label().setVisible(false);
_download.getView().getSlots_label().setVisible(false);
_download.getView().getSlot_status_label().setVisible(false);
_download.getView().getSlots_spinner().setVisible(false);
download_finished = true;
}
} catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException | InvalidAlgorithmParameterException ex) {
LOG.log(Level.SEVERE, ex.getMessage());
byte[] buffer = new byte[MainPanel.DEFAULT_BYTE_BUFFER_SIZE];
int reads;
try (CipherInputStream cis = new CipherInputStream(new BufferedInputStream(new FileInputStream(chunk_file)), genDecrypter("AES", "AES/CTR/NoPadding", _byte_file_key, forwardMEGALinkKeyIV(_byte_iv, _bytes_written)))) {
while ((reads = cis.read(buffer)) != -1) {
_download.getOutput_stream().write(buffer, 0, reads);
}
} catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException | InvalidAlgorithmParameterException ex) {
LOG.log(Level.SEVERE, ex.getMessage());
}
_bytes_written += chunk_file.length();
_last_chunk_id_written++;
LOG.log(Level.INFO, "{0} ChunkWriterManager has written to disk chunk [{1}] {2} {3} {4}...", new Object[]{Thread.currentThread().getName(), _last_chunk_id_written, _bytes_written, _download.calculateLastWrittenChunk(_bytes_written), _download.getFile_name()});
chunk_file.delete();
chunk_file = new File(getChunks_dir() + "/" + new File(_download.getFile_name()).getName() + ".chunk" + String.valueOf(_last_chunk_id_written + 1));
}
_bytes_written += chunk_file.length();
_last_chunk_id_written++;
LOG.log(Level.INFO, "{0} ChunkWriterManager has written to disk chunk [{1}] {2} {3} {4}...", new Object[]{Thread.currentThread().getName(), _last_chunk_id_written, _bytes_written, _download.calculateLastWrittenChunk(_bytes_written), _download.getFile_name()});
chunk_file.delete();
chunk_file = new File(getChunks_dir() + "/" + new File(_download.getFile_name()).getName() + ".chunk" + String.valueOf(_last_chunk_id_written + 1));
} catch (IOException ex) {
chunk_io_error = true;
LOG.log(Level.WARNING, ex.getMessage());
MiscTools.pausar(1000);
}
} catch (IOException ex) {
chunk_io_error = true;
LOG.log(Level.WARNING, ex.getMessage());
MiscTools.pausar(1000);
}
} while (chunk_io_error);
} while (chunk_io_error);
}
if (!_exit && (!_download.isStopped() || !_download.getChunkworkers().isEmpty()) && _bytes_written < _file_size) {
@ -223,6 +227,7 @@ public class ChunkWriterManager implements Runnable, SecureSingleThreadNotifiabl
secureWait();
}
}
if (_bytes_written == _file_size) {

2
src/main/java/com/tonikelope/megabasterd/MainPanel.java
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@ -60,7 +60,7 @@ import javax.swing.UIManager;
*/
public final class MainPanel {
public static final String VERSION = "7.38";
public static final String VERSION = "7.39";
public static final boolean FORCE_SMART_PROXY = false; //TRUE FOR DEBUGING SMART PROXY
public static final int THROTTLE_SLICE_SIZE = 16 * 1024;
public static final int DEFAULT_BYTE_BUFFER_SIZE = 16 * 1024;

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