public synchronized void flush() throws IOException {
// Flush all proxies
Iterator iter = this.alternateProxies.iterator();
while (iter.hasNext()) {
AbstractProxy proxy = (AbstractProxy) iter.next();
proxy.flush();
}
this.proxy.flush();
Logger.defaultLogger().info("Flush completed.");
Logger.defaultLogger()
.info("" + this.alternateProxies.size() + " alternate proxies are currently active.");
}
protected void disconnect() {
Logger.defaultLogger().info("Disconnecting all proxies ...");
Logger.defaultLogger().fine("Disconnecting main proxy ...");
this.proxy.disconnect();
Iterator iter = this.alternateProxies.iterator();
int i = 0;
while (iter.hasNext()) {
Logger.defaultLogger().fine("Disconnecting proxy #" + ++i + " ...");
AbstractProxy px = (AbstractProxy) iter.next();
px.disconnect();
}
}
public File[] listFiles(File file) {
String owner = this.buildNewOwnerId("listFiles");
AbstractProxy proxy = (AbstractProxy) this.getAvailableProxy(owner);
FictiveFile[] files = null;
File[] returned = null;
try {
files = proxy.listFiles(this.translateToRemote(file));
returned = new File[files.length];
for (int i = 0; i < files.length; i++) {
returned[i] =
new FictiveFile(
translateToLocal(files[i].getRemotePath()),
files[i].getRemotePath(),
files[i].length(),
files[i].isDirectory(),
files[i].exists(),
files[i].lastModified());
}
} catch (RemoteConnectionException e) {
Logger.defaultLogger().error(e);
throw new UnexpectedConnectionException(e);
} finally {
this.releaseProxy(proxy, owner);
}
return returned;
}
public boolean delete(File file) {
removeLocalInputFile(file);
String owner = this.buildNewOwnerId("delete");
AbstractProxy proxy = this.getAvailableProxy(owner);
boolean res = false;
try {
FileCacheableInformations infos = this.getInformations(file);
if (infos.isExists()) {
if (infos.isDirectory()) {
res = proxy.deleteDir(this.translateToRemote(file));
} else {
res = proxy.deleteFile(this.translateToRemote(file));
}
} else {
res = true;
}
} catch (RemoteConnectionException e) {
Logger.defaultLogger()
.error("Error caught while deleting " + FileSystemManager.getDisplayPath(file), e);
throw new UnexpectedConnectionException(e);
} finally {
this.releaseProxy(proxy, owner);
}
return res;
}
private void fillTargetData(AbstractTarget target) {
AbstractIncrementalFileSystemMedium medium =
(AbstractIncrementalFileSystemMedium) target.getMedium();
File[] archives = new File[0];
try {
Logger.defaultLogger()
.info(
"Looking for archives in "
+ medium.getFileSystemPolicy().getDisplayableParameters(true),
"Physical View");
archives = medium.listArchives(null, null, true);
} catch (Throwable e) {
this.application.handleException(e);
}
if (archives == null) {
archives = new File[0];
}
medium.checkArchivesEncoding(archives);
for (int i = archives.length - 1; i >= 0; i--) {
TableItem item = new TableItem(table, SWT.NONE);
item.setData(archives[i]);
try {
Manifest manifest = ArchiveManifestCache.getInstance().getManifest(medium, archives[i]);
String prp = null;
if (manifest != null) {
item.setText(1, Utils.formatDisplayDate(manifest.getDate()));
initText(item, 0, manifest);
prp = manifest.getStringProperty(ManifestKeys.OPTION_BACKUP_SCHEME);
}
if ((prp != null && prp.equals(AbstractTarget.BACKUP_SCHEME_FULL)) || i == 0) {
item.setImage(0, ArecaImages.ICO_FS_FOLDER_FULL);
} else if (prp != null && prp.equals(AbstractTarget.BACKUP_SCHEME_DIFFERENTIAL)) {
item.setImage(0, ArecaImages.ICO_FS_FOLDER_DIFFERENTIAL);
} else {
item.setImage(0, ArecaImages.ICO_FS_FOLDER);
}
initSize(item, 2, archives[i], medium);
} catch (ApplicationException e) {
application.handleException(e);
}
}
/*
if (archives.length == 0) {
showViewMessage();
} else {
removeViewMessage();
}
*/
}
protected synchronized AbstractProxy getAvailableProxy(String owner) {
if (this.proxy.acquireLock(owner)) {
return proxy;
} else {
Iterator iter = this.alternateProxies.iterator();
while (iter.hasNext()) {
AbstractProxy alternateProxy = (AbstractProxy) iter.next();
if (alternateProxy.acquireLock(owner)) {
return alternateProxy;
}
}
if (this.alternateProxies.size() == maxProxies) {
Logger.defaultLogger()
.error(
"Maximum number of proxies ("
+ maxProxies
+ ") reached - Unable to create another proxy",
"getAvailableProxy");
Logger.defaultLogger().info("Main Proxy : " + this.proxy.getOwnerId());
Iterator piter = this.alternateProxies.iterator();
while (piter.hasNext()) {
AbstractProxy px = (AbstractProxy) piter.next();
Logger.defaultLogger().info("Alternate Proxy : " + px.getOwnerId());
}
return null;
} else {
Logger.defaultLogger()
.info(
"Creating a new proxy on "
+ this.proxy.toString()
+ " : "
+ +(this.alternateProxies.size() + 1)
+ " th.");
AbstractProxy newProxy = this.proxy.cloneProxy();
newProxy.acquireLock(owner);
this.alternateProxies.add(newProxy);
return newProxy;
}
}
}
public static void main(String[] args) {
try {
checkJavaVersion();
ArecaConfiguration.initialize();
VersionCheckWindow check = new VersionCheckWindow();
check.setBlockOnOpen(true);
check.open();
Display.getCurrent().dispose();
} catch (Throwable e) {
e.printStackTrace();
Logger.defaultLogger().error("Unexpected error", e);
}
}
public boolean mkdir(File file) {
String owner = this.buildNewOwnerId("mkdir");
AbstractProxy proxy = this.getAvailableProxy(owner);
boolean res = false;
try {
res = proxy.mkdir(this.translateToRemote(file));
} catch (RemoteConnectionException e) {
Logger.defaultLogger()
.error("Error creating directory : " + FileSystemManager.getDisplayPath(file));
throw new UnexpectedConnectionException(e);
} finally {
this.releaseProxy(proxy, owner);
}
return res;
}
public void newRow(char type, String key, String trace, ProcessContext context)
throws IOException, FileMetaDataSerializationException, TaskCancelledException {
if (key != null) {
if (previousEntryKey != null) {
if (FilePathComparator.instance().compare(key, previousEntryKey) <= 0) {
Logger.defaultLogger()
.error(
"Error detected in trace file: invalid entry order. "
+ previousEntryKey
+ " / "
+ key);
throw new IllegalStateException("Error detected while checking archive metadata.");
}
}
previousEntryKey = key;
}
}
public void unmount() throws IOException {
Logger.defaultLogger().info("Unmounting driver : " + this.getClass().getName());
this.flush();
disconnect();
}
