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package org.eclipse.linuxtools.systemtap.ui.consolelog;
import java.io.IOException;
import java.io.InputStream;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.linuxtools.systemtap.graphingapi.ui.widgets.ExceptionErrorDialog;
import org.eclipse.linuxtools.systemtap.structures.process.SystemtapProcessFactory;
import org.eclipse.linuxtools.systemtap.structures.runnable.Command;
import org.eclipse.linuxtools.systemtap.structures.runnable.StreamGobbler;
import org.eclipse.linuxtools.systemtap.ui.consolelog.internal.ConsoleLogPlugin;
import org.eclipse.linuxtools.systemtap.ui.consolelog.preferences.ConsoleLogPreferenceConstants;
import org.eclipse.ui.PlatformUI;
import com.jcraft.jsch.Channel;
import com.jcraft.jsch.JSchException;
public class ScpExec extends Command {
private Channel channel;
/**
* @since 2.0
*/
public ScpExec(String cmds[]) {
super(cmds, null);
this.command = ""; //$NON-NLS-1$
for (String cmd:cmds) {
this.command = this.command + " " + cmd; //$NON-NLS-1$
}
}
@Override
protected IStatus init() {
String user = ConsoleLogPlugin.getDefault().getPreferenceStore()
.getString(ConsoleLogPreferenceConstants.SCP_USER);
String host = ConsoleLogPlugin.getDefault().getPreferenceStore()
.getString(ConsoleLogPreferenceConstants.HOST_NAME);
String password = ConsoleLogPlugin.getDefault()
.getPreferenceStore()
.getString(ConsoleLogPreferenceConstants.SCP_PASSWORD);
try {
channel = SystemtapProcessFactory.execRemote(
new String[] { command }, System.out, System.err, user, host, password);
errorGobbler = new StreamGobbler(channel.getExtInputStream());
inputGobbler = new StreamGobbler(channel.getInputStream());
this.transferListeners();
return Status.OK_STATUS;
} catch (JSchException e) {
IStatus status = new Status(IStatus.ERROR, ConsoleLogPlugin.PLUGIN_ID, Messages.ScpExec_FileTransferFailed, e);
ErrorDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), Messages.ScpExec_Error, e.getMessage(), status);
return status;
} catch (IOException e) {
IStatus status = new Status(IStatus.ERROR, ConsoleLogPlugin.PLUGIN_ID, Messages.ScpExec_FileTransferFailed, e);
ErrorDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), Messages.ScpExec_Error, e.getMessage(), status);
return status;
}
}
@Override
public void run() {
try {
channel.connect();
errorGobbler.start();
inputGobbler.start();
while (!stopped) {
if (channel.isClosed() || (channel.getExitStatus() != -1)) {
stop();
break;
}
}
} catch (JSchException e) {
ExceptionErrorDialog.openError(Messages.ScpExec_errorConnectingToServer, e);
}
}
/* Stops the process from running and stops the <code>StreamGobblers</code> from monitoring
* the dead process.
*/
@Override
public synchronized void stop() {
if(!stopped) {
channel.disconnect();
}
}
static int checkAck(InputStream in) throws IOException {
int b = in.read();
// b may be 0 for success,
// 1 for error,
// 2 for fatal error,
// -1
if (b == 0) {
return b;
}
if (b == -1) {
return b;
}
if (b == 1 || b == 2) {
StringBuilder sb = new StringBuilder();
int c;
do {
c = in.read();
sb.append((char) c);
} while (c != '\n');
}
return b;
}
private String command;
public static final int INPUT_STREAM = 1;
}
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