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/*******************************************************************************
* Copyright (c) 2013 Intel Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Ioana Grigoropol(Intel) - initial API and implementation
*******************************************************************************/
package org.yocto.remote.utils;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.rse.core.model.IHost;
import org.eclipse.rse.core.subsystems.ISubSystem;
import org.eclipse.rse.internal.services.local.shells.LocalShellService;
import org.eclipse.rse.services.clientserver.messages.SystemMessageException;
import org.eclipse.rse.services.files.IFileService;
import org.eclipse.rse.services.shells.IHostShell;
import org.eclipse.rse.services.shells.IShellService;
import org.eclipse.rse.subsystems.files.core.servicesubsystem.IFileServiceSubSystem;
import org.eclipse.rse.subsystems.shells.core.subsystems.servicesubsystem.IShellServiceSubSystem;
import org.eclipse.ui.console.MessageConsole;
public class RemoteMachine {
public static final String PROXY = "proxy";
private Map<String, String> environment;
private MessageConsole console;
private CommandResponseHandler cmdHandler;
private IShellService shellService;
private IHost connection;
private ISubSystem fileSubSystem;
private IFileService fileService;
public RemoteMachine(IHost connection) {
setConnection(connection);
}
public String[] prepareEnvString(IProgressMonitor monitor){
String[] env = null;
try {
if (shellService instanceof LocalShellService) {
env = shellService.getHostEnvironment();
} else {
List<String> envList = new ArrayList<String>();
getRemoteEnvProxyVars(monitor);
String value = "";
for (String varName : environment.keySet()){
value = varName + "=" + environment.get(varName);
envList.add(value);
}
env = envList.toArray(new String[envList.size()]);
}
} catch (Exception e) {
e.printStackTrace();
}
return env;
}
public void getRemoteEnvProxyVars(IProgressMonitor monitor){
try {
if (environment != null && !environment.isEmpty())
return;
environment = new HashMap<String, String>();
IShellService shellService = getShellService(new SubProgressMonitor(monitor, 7));
ProcessStreamBuffer buffer = null;
try {
SubProgressMonitor subMonitor = new SubProgressMonitor(monitor, 3);
IHostShell hostShell = shellService.runCommand("", "env" + " ; echo " + RemoteHelper.TERMINATOR + "; exit;", new String[]{}, subMonitor);
buffer = RemoteHelper.processOutput(subMonitor, hostShell, cmdHandler);
for(int i = 0; i < buffer.getOutputLines().size(); i++) {
String out = buffer.getOutputLines().get(i);
String[] tokens = out.split("=");
if (tokens.length != 2)
continue;
String varName = tokens[0];
String varValue = tokens[1];
if (varName.contains(PROXY))
environment.put(varName, varValue);
}
} catch (Exception e) {
e.printStackTrace();
}
} catch (Exception e) {
e.printStackTrace();
}
}
public Map<String, String> getEnvironment() {
return environment;
}
public void setEnvironment(Map<String, String> environment) {
this.environment = environment;
}
public MessageConsole getConsole() {
if (console == null)
console = ConsoleHelper.findConsole(ConsoleHelper.YOCTO_CONSOLE);
ConsoleHelper.showConsole(console);
return console;
}
public CommandResponseHandler getCmdHandler() {
if (cmdHandler == null)
cmdHandler = new CommandResponseHandler(getConsole());
return cmdHandler;
}
public IShellService getShellService(IProgressMonitor monitor) throws Exception {
if (shellService != null)
return shellService;
final ISubSystem subsystem = getShellSubsystem();
if (subsystem == null)
throw new Exception(Messages.ErrorNoSubsystem);
try {
subsystem.connect(monitor, false);
} catch (CoreException e) {
throw e;
} catch (OperationCanceledException e) {
throw new CoreException(Status.CANCEL_STATUS);
}
if (!subsystem.isConnected())
throw new Exception(Messages.ErrorConnectSubsystem);
shellService = ((IShellServiceSubSystem) subsystem).getShellService();
return shellService;
}
private ISubSystem getShellSubsystem() {
if (connection == null)
return null;
ISubSystem[] subSystems = connection.getSubSystems();
for (int i = 0; i < subSystems.length; i++) {
if (subSystems[i] instanceof IShellServiceSubSystem)
return subSystems[i];
}
return null;
}
public IHost getConnection() {
return connection;
}
public void setConnection(IHost connection) {
this.connection = connection;
}
public IFileService getRemoteFileService(IProgressMonitor monitor) throws Exception {
if (fileService == null) {
while(getFileSubsystem() == null)
Thread.sleep(2);
try {
getFileSubsystem().connect(monitor, false);
} catch (CoreException e) {
throw e;
} catch (OperationCanceledException e) {
throw new CoreException(Status.CANCEL_STATUS);
}
if (!getFileSubsystem().isConnected())
throw new Exception(Messages.ErrorConnectSubsystem);
fileService = ((IFileServiceSubSystem) getFileSubsystem()).getFileService();
}
return fileService;
}
public ISubSystem getFileSubsystem() {
if (fileSubSystem == null) {
if (connection == null)
return null;
ISubSystem[] subSystems = connection.getSubSystems();
for (int i = 0; i < subSystems.length; i++) {
if (subSystems[i] instanceof IFileServiceSubSystem) {
fileSubSystem = subSystems[i];
break;
}
}
}
return fileSubSystem;
}
}
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