Java Code Examples for com.jcraft.jsch.Channel#isClosed()
The following examples show how to use
com.jcraft.jsch.Channel#isClosed() .
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Example 1
| Source File: SSHServerTest.java From vertx-shell with Apache License 2.0 | 6 votes |
|
private void testClose(TestContext context, Consumer<Term> closer) throws Exception {
Async async = context.async();
termHandler = term -> {
term.closeHandler(v -> {
async.complete();
});
closer.accept(term);
};
startShell();
Session session = createSession("paulo", "secret", false);
session.connect();
Channel channel = session.openChannel("shell");
channel.connect();
while (channel.isClosed()) {
Thread.sleep(10);
}
}
Example 2
| Source File: CommandDelegatorMethods.java From jumbune with GNU Lesser General Public License v3.0 | 6 votes |
|
private static String logJsch(Channel channel, InputStream in)
{
StringBuilder builder = new StringBuilder();
try {
byte[] tmp = new byte[1024];
while (true) {
while (in.available() > 0) {
int i = in.read(tmp, 0, 1024);
if (i < 0)
break;
builder.append((new String(tmp, 0, i)));
}
if (channel.isClosed()) {
// LOGGER.debug("exit-status: " + channel.getExitStatus());
break;
}
}
} catch (Exception ex) {
LOGGER.error(ex);
}
return builder.toString();
}
Example 3
| Source File: CommandAsObjectResponserMethods.java From jumbune with GNU Lesser General Public License v3.0 | 6 votes |
|
private static void logJsch(Channel channel, InputStream in)
{
try {
byte[] tmp = new byte[1024];
while (true) {
/* while (in.available() > 0) {
int i = in.read(tmp, 0, 1024);
if (i < 0)
break;
LOGGER.debug(new String(tmp, 0, i));
}
*/ if (channel.isClosed()) {
LOGGER.debug("exit-status: " + channel.getExitStatus());
break;
}
}
} catch (Exception ex) {
LOGGER.error(ex);
}
}
Example 4
| Source File: JschExecutor.java From jumbune with GNU Lesser General Public License v3.0 | 6 votes |
|
private static String logJsch(Channel channel, InputStream in)
{
StringBuilder builder = new StringBuilder();
try {
byte[] tmp = new byte[1024];
while (true) {
while (in.available() > 0) {
int i = in.read(tmp, 0, 1024);
if (i < 0)
break;
builder.append((new String(tmp, 0, i)));
}
if (channel.isClosed()) {
// LOGGER.debug("exit-status: " + channel.getExitStatus());
break;
}
}
} catch (Exception ex) {
LOGGER.error(ex);
}
return builder.toString();
}
Example 5
| Source File: CommandExecutorHA.java From jumbune with GNU Lesser General Public License v3.0 | 6 votes |
|
private static String logJsch(Channel channel, InputStream in)
{
StringBuilder builder = new StringBuilder();
try {
byte[] tmp = new byte[1024];
while (true) {
while (in.available() > 0) {
int i = in.read(tmp, 0, 1024);
if (i < 0)
break;
builder.append((new String(tmp, 0, i)));
}
if (channel.isClosed()) {
// LOGGER.debug("exit-status: " + channel.getExitStatus());
break;
}
}
} catch (Exception ex) {
LOGGER.error(ex);
}
return builder.toString();
}
Example 6
| Source File: SessionEstablisher.java From jumbune with GNU Lesser General Public License v3.0 | 6 votes |
|
/**
* This method validates the executed command
*
* @param channel
* SSH channel
* @param in
* input stream
* @return Error message if any
* If any error occurred
*/
private static String validateCommandExecution(Channel channel, InputStream in) throws IOException, InterruptedException {
StringBuilder sb = new StringBuilder();
byte[] tmp = new byte[Constants.ONE_ZERO_TWO_FOUR];
while (true) {
while (in.available() > 0) {
int i = in.read(tmp, 0,Constants.ONE_ZERO_TWO_FOUR);
if (i < 0){
break;
}
sb.append(new String(tmp, 0, i));
}
if (channel.isClosed()) {
break;
}
Thread.sleep(Constants.THOUSAND);
}
return sb.toString();
}
Example 7
| Source File: SshConnectionImpl.java From gerrit-events with MIT License | 6 votes |
|
/**
* Blocks until the given channel is close or the timout is reached
*
* @param channel the channel to wait for
* @param timoutInMs the timeout
*/
private static void waitForChannelClosure(Channel channel, long timoutInMs) {
final long start = System.currentTimeMillis();
final long until = start + timoutInMs;
try {
while (!channel.isClosed() && System.currentTimeMillis() < until) {
Thread.sleep(CLOSURE_WAIT_INTERVAL);
}
logger.trace("Time waited for channel closure: " + (System.currentTimeMillis() - start));
} catch (InterruptedException e) {
logger.trace("Interrupted", e);
}
if (!channel.isClosed()) {
logger.trace("Channel not closed in timely manner!");
}
}
Example 8
| Source File: AbstractCommandHandler.java From jumbune with GNU Lesser General Public License v3.0 | 5 votes |
|
protected JschResponse getStringFromStream(Channel channel) throws IOException,
JSchException {
JschResponse jschResponse = new JschResponse();
StringBuilder response = new StringBuilder();
InputStream in = channel.getInputStream();
channel.connect();
jschResponse.setChannelId(channel.getId());
byte[] tmp = new byte[1024];
while (true) {
while (in.available() > 0) {
int i = in.read(tmp, 0, 1024);
if (i < 0)
break;
response.append(new String(tmp, 0, i));
}
if (channel.isClosed()) {
if (in.available() > 0)
continue;
jschResponse.setChannelExitStatus(channel.getExitStatus());
break;
}
try {
} catch (Exception ee) {
LOGGER.error("Exception occured while reading stream from Channel #Id["+jschResponse.getChannelId()+"]", ee);
}
}
jschResponse.setResponse(response.toString());
return jschResponse;
}
Example 9
| Source File: JschUtil.java From jumbune with GNU Lesser General Public License v3.0 | 5 votes |
|
/**
* Gets the channel.
*
* @param session
* the session
* @param command
* the command
* @return the channel
* @throws JSchException
* the j sch exception
* @throws IOException
* Signals that an I/O exception has occurred.
*/
public static Channel getChannel(Session session, String command) throws JSchException, IOException {
session.connect();
Channel channel = session.openChannel("exec");
((ChannelExec) channel).setCommand(command);
channel.setInputStream(null);
InputStream in = channel.getInputStream();
channel.connect();
((ChannelExec) channel).setErrStream(System.err);
byte[] tmp = new byte[RemotingConstants.ONE_ZERO_TWO_FOUR];
while (true) {
while (in.available() > 0) {
int i = in.read(tmp, 0, RemotingConstants.ONE_ZERO_TWO_FOUR);
if (i < 0){
break;
}
}
if (channel.isClosed()) {
break;
}
}
return channel;
}
Example 10
| Source File: SshUtilities.java From hortonmachine with GNU General Public License v3.0 | 5 votes |
|
/**
* Launch a command on the remote host and exit once the command is done.
*
* @param session the session to use.
* @param command the command to launch.
* @return the output of the command.
* @throws JSchException
* @throws IOException
*/
private static String launchACommand( Session session, String command ) throws JSchException, IOException {
Channel channel = session.openChannel("exec");
((ChannelExec) channel).setCommand(command);
channel.setInputStream(null);
((ChannelExec) channel).setErrStream(System.err);
InputStream in = channel.getInputStream();
channel.connect();
StringBuilder sb = new StringBuilder();
byte[] tmp = new byte[1024];
while( true ) {
while( in.available() > 0 ) {
int i = in.read(tmp, 0, 1024);
if (i < 0)
break;
sb.append(new String(tmp, 0, i));
}
if (channel.isClosed()) {
if (in.available() > 0)
continue;
System.out.println("exitstatus: " + channel.getExitStatus());
break;
}
try {
Thread.sleep(1000);
} catch (Exception ee) {
}
}
channel.disconnect();
String remoteResponseStr = sb.toString().trim();
return remoteResponseStr;
}
Example 11
| Source File: SshUtilities.java From hortonmachine with GNU General Public License v3.0 | 5 votes |
|
/**
* Launch a command on the remote host and exit even if the command is not done (useful for launching daemons).
*
* @param session the session to use.
* @param command the command to launch.
* @return the output of the command.
* @throws JSchException
* @throws IOException
*/
private static String launchACommandAndExit( Session session, String command ) throws JSchException, IOException {
Channel channel = session.openChannel("exec");
((ChannelExec) channel).setCommand(command);
channel.setInputStream(null);
((ChannelExec) channel).setErrStream(System.err);
InputStream in = channel.getInputStream();
channel.connect();
StringBuilder sb = new StringBuilder();
byte[] tmp = new byte[1024];
while( true ) {
while( in.available() > 0 ) {
int i = in.read(tmp, 0, 1024);
if (i < 0)
break;
sb.append(new String(tmp, 0, i));
}
if (channel.isClosed()) {
if (in.available() > 0)
continue;
break;
}
try {
if (sb.length() > 0) {
break;
}
Thread.sleep(1000);
} catch (Exception ee) {
}
}
channel.disconnect();
String remoteResponseStr = sb.toString().trim();
return remoteResponseStr;
}
Example 12
| Source File: SshProcessContainer.java From reef with Apache License 2.0 | 5 votes |
|
private String getRemoteHomePath() {
final String getHomeCommand = "pwd";
try {
final Channel channel = this.remoteSession.openChannel("exec");
((ChannelExec) channel).setCommand(getHomeCommand);
channel.setInputStream(null);
final InputStream stdout = channel.getInputStream();
channel.connect();
byte[] tmp = new byte[1024];
StringBuilder homePath = new StringBuilder();
while (true) {
while (stdout.available() > 0) {
final int len = stdout.read(tmp, 0, 1024);
if (len < 0) {
break;
}
homePath = homePath.append(new String(tmp, 0, len, StandardCharsets.UTF_8));
}
if (channel.isClosed()) {
if (stdout.available() > 0) {
continue;
}
break;
}
}
return homePath.toString().trim();
} catch (final JSchException | IOException ex) {
throw new RuntimeException("Unable to retrieve home directory from " +
this.remoteHostName + " with the pwd command", ex);
}
}
Example 13
| Source File: JavaConnect.java From ssh-shell-spring-boot with Apache License 2.0 | 4 votes |
|
public static void main(String[] args) {
String host = "localhost";
String user = "user";
int port = 2222;
String password = "password";
String command = "help";
try {
java.util.Properties config = new java.util.Properties();
config.put("StrictHostKeyChecking", "no");
JSch jsch = new JSch();
Session session = jsch.getSession(user, host, port);
session.setPassword(password);
session.setConfig(config);
session.connect();
System.out.println("Connected");
Channel channel = session.openChannel("shell");
channel.connect();
channel.getOutputStream().write((command + "\r").getBytes(StandardCharsets.UTF_8));
channel.getOutputStream().flush();
channel.setInputStream(null);
InputStream in = channel.getInputStream();
byte[] tmp = new byte[1024];
while (true) {
while (in.available() > 0) {
int i = in.read(tmp, 0, 1024);
if (i < 0) break;
System.out.print(new String(tmp, 0, i));
}
if (channel.isClosed()) {
System.out.println("exit-status: " + channel.getExitStatus());
break;
}
try {
Thread.sleep(3000);
} catch (Exception ee) {
}
}
channel.disconnect();
session.disconnect();
System.out.println("DONE");
} catch (Exception e) {
e.printStackTrace();
}
}
Example 14
| Source File: SSHCommandExecutor.java From journaldev with MIT License | 4 votes |
|
/**
* @param args
*/
public static void main(String[] args) {
String host="test.journaldev.com";
String user="my_user";
String password="my_pwd";
String command1="cd Apps;ls -ltr";
try{
java.util.Properties config = new java.util.Properties();
config.put("StrictHostKeyChecking", "no");
JSch jsch = new JSch();
Session session=jsch.getSession(user, host, 22);
session.setPassword(password);
session.setConfig(config);
session.connect();
System.out.println("Connected");
Channel channel=session.openChannel("exec");
((ChannelExec)channel).setCommand(command1);
channel.setInputStream(null);
((ChannelExec)channel).setErrStream(System.err);
InputStream in=channel.getInputStream();
channel.connect();
byte[] tmp=new byte[1024];
while(true){
while(in.available()>0){
int i=in.read(tmp, 0, 1024);
if(i<0)break;
System.out.print(new String(tmp, 0, i));
}
if(channel.isClosed()){
System.out.println("exit-status: "+channel.getExitStatus());
break;
}
try{Thread.sleep(1000);}catch(Exception ee){}
}
channel.disconnect();
session.disconnect();
System.out.println("DONE");
}catch(Exception e){
e.printStackTrace();
}
}
Example 15
| Source File: AbstractSshExecOperation.java From fraud-detection-tutorial with Apache License 2.0 | 4 votes |
|
@Override
public void execute(Session session, EventListener listener) {
try {
System.out.println("1");
Channel channel = session.openChannel("exec");
System.out.println("2");
InputStream in = channel.getInputStream();
System.out.println("3");
//((ChannelExec)channel).setCommand("df");
//((ChannelExec)channel).setCommand("top -n 1 -b");
//((ChannelExec)channel).setCommand("ifconfig");
//((ChannelExec)channel).setCommand("netstat -s");
((ChannelExec) channel).setCommand(getCommand());
System.out.println("4");
channel.connect();
System.out.println("5");
StringBuffer strBuffer = new StringBuffer();
byte[] tmp = new byte[1024];
while (true) {
while (in.available() > 0) {
int i = in.read(tmp, 0, 1024);
if (i < 0) break;
strBuffer.append(new String(tmp, 0, i));
}
if (channel.isClosed()) {
if (in.available() > 0) continue;
System.out.println("exit-status: " + channel.getExitStatus());
break;
}
try {
Thread.sleep(1000);
} catch (Exception ee) {
}
}
System.out.println("6");
//channel.disconnect();
String results = strBuffer.toString();
processResults(session.getHost(), session.getPort(), results, listener);
} catch (Exception e ){
e.printStackTrace();
}
}
