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Code Issues Wiki Activity

Bug 149155 always do ssh download and upload on secondary channel

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Disconnect primary channel in case of error to maintain system stability
This commit is contained in:
Martin Oberhuber 2006-06-29 15:23:07 +00:00
parent 4b9375afc1
commit d05238b1b5
1 changed files with 25 additions and 4 deletions
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29
rse/plugins/org.eclipse.rse.services.ssh/src/org/eclipse/rse/services/ssh/files/SftpFileService.java
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@ -200,6 +200,13 @@ public class SftpFileService extends AbstractFileService implements IFileService
//after reconnect this might be necessary.
Activator.trace("SftpFileService.internalFetch failed: "+e.toString()); //$NON-NLS-1$
e.printStackTrace();
//TODO bug 149155: since channelSftp is totally single-threaded, multiple
//parallel access to the channel may break it, typically resulting in
//SftpException here. I'm not sure how to safely avoid this yet.
//So here's a little workaround to get the system into a "usable" state again:
//disconnect our channel, it will be reconnected on the next operation.
//Session handling needs to be re-thought...
fChannelSftp.disconnect();
}
}
return (IHostFile[])results.toArray(new IHostFile[results.size()]);
@ -229,7 +236,8 @@ public class SftpFileService extends AbstractFileService implements IFileService
public boolean upload(IProgressMonitor monitor, File localFile, String remoteParent, String remoteFile, boolean isBinary, String srcEncoding, String hostEncoding)
{
//TODO what to do with isBinary?
//TODO what to do with isBinary?
ChannelSftp channel = null;
try {
SftpProgressMonitor sftpMonitor=new MyProgressMonitor(monitor);
int mode=ChannelSftp.OVERWRITE;
@ -240,7 +248,10 @@ public class SftpFileService extends AbstractFileService implements IFileService
}
dst += remoteFile;
}
getChannel("SftpFileService.upload "+remoteFile).put(localFile.getAbsolutePath(), dst, sftpMonitor, mode); //$NON-NLS-1$
getChannel("SftpFileService.upload "+remoteFile); //check the session is healthy
channel=(ChannelSftp)fSessionProvider.getSession().openChannel("sftp"); //$NON-NLS-1$
channel.connect();
channel.put(localFile.getAbsolutePath(), dst, sftpMonitor, mode); //$NON-NLS-1$
Activator.trace("SftpFileService.upload "+remoteFile+ " ok"); //$NON-NLS-1$ //$NON-NLS-1$
}
catch (Exception e) {
@ -250,6 +261,9 @@ public class SftpFileService extends AbstractFileService implements IFileService
Activator.trace("SftpFileService.upload "+remoteFile+" failed: "+e.toString()); //$NON-NLS-1$ //$NON-NLS-2$
return false;
}
finally {
if (channel!=null) channel.disconnect();
}
return true;
}
@ -282,7 +296,7 @@ public class SftpFileService extends AbstractFileService implements IFileService
try
{
BufferedInputStream bis = new BufferedInputStream(stream);
File tempFile = File.createTempFile("ftp", "temp"); //$NON-NLS-1$ //$NON-NLS-2$
File tempFile = File.createTempFile("sftp", "temp"); //$NON-NLS-1$ //$NON-NLS-2$
FileOutputStream os = new FileOutputStream(tempFile);
BufferedOutputStream bos = new BufferedOutputStream(os);
@ -306,6 +320,7 @@ public class SftpFileService extends AbstractFileService implements IFileService
public boolean download(IProgressMonitor monitor, String remoteParent, String remoteFile, File localFile, boolean isBinary, String hostEncoding) throws SystemMessageException
{
ChannelSftp channel = null;
try {
if (!localFile.exists()) {
File localParentFile = localFile.getParentFile();
@ -318,7 +333,10 @@ public class SftpFileService extends AbstractFileService implements IFileService
String remotePath = remoteParent+'/'+remoteFile;
int mode=ChannelSftp.OVERWRITE;
MyProgressMonitor sftpMonitor = new MyProgressMonitor(monitor);
getChannel("SftpFileService.download "+remoteFile).get(remotePath, localFile.getAbsolutePath(), sftpMonitor, mode); //$NON-NLS-1$
getChannel("SftpFileService.download "+remoteFile); //check the session is healthy
channel=(ChannelSftp)fSessionProvider.getSession().openChannel("sftp"); //$NON-NLS-1$
channel.connect();
channel.get(remotePath, localFile.getAbsolutePath(), sftpMonitor, mode); //$NON-NLS-1$
Activator.trace("SftpFileService.download "+remoteFile+ " ok"); //$NON-NLS-1$ //$NON-NLS-2$
}
catch (Exception e) {
@ -330,6 +348,9 @@ public class SftpFileService extends AbstractFileService implements IFileService
Activator.trace("SftpFileService.download "+remoteFile+" failed: "+e.toString()); //$NON-NLS-1$ //$NON-NLS-2$
return false;
}
finally {
if (channel!=null) channel.disconnect();
}
return true;
}