public String runCommand(String params) {
try {
StringBuilder sb = new StringBuilder();
Channel channel = ConnectionManager.getSession().openChannel("exec");
channel.setInputStream(null);
channel.setOutputStream(System.out);
((ChannelExec) channel).setCommand(params);
((ChannelExec) channel).setPty(false);
channel.connect();
InputStream in = channel.getInputStream();
// byte[] tmp = new byte[1024];
while (true) {
InputStreamReader is = new InputStreamReader(in);
BufferedReader br = new BufferedReader(is);
String read = br.readLine();
while (read != null) {
System.out.println(read);
sb.append(read);
read = br.readLine();
}
if (channel.isClosed()) {
System.out.println(sb.toString());
System.out.println("exit-status:" + channel.getExitStatus());
break;
}
try {
Thread.sleep(1000);
} catch (Exception ee) {
}
}
channel.disconnect();
return sb.toString();
} catch (Exception e) {
e.printStackTrace();
return "empty";
}
}
public ExecResponse exec(String command) {
checkConnected();
ChannelExec executor = null;
try {
try {
executor = (ChannelExec) session.openChannel("exec");
executor.setPty(true);
} catch (JSchException e) {
throw new SshException(
String.format("%s@%s:%d: Error connecting to exec.", username, host, port), e);
}
executor.setCommand(command);
ByteArrayOutputStream error = new ByteArrayOutputStream();
executor.setErrStream(error);
try {
executor.connect();
String outputString = Strings2.toStringAndClose(executor.getInputStream());
String errorString = error.toString();
int errorStatus = executor.getExitStatus();
int i = 0;
while ((errorStatus = executor.getExitStatus()) == -1 && i < this.sshRetries)
backoffForAttempt(++i, String.format("%s@%s:%d: bad status: -1", username, host, port));
if (errorStatus == -1)
throw new SshException(
String.format(
"%s@%s:%d: received exit status %d executing %s",
username, host, port, executor.getExitStatus(), command));
return new ExecResponse(outputString, errorString, errorStatus);
} catch (Exception e) {
throw new SshException(
String.format("%s@%s:%d: Error executing command: %s", username, host, port, command),
e);
}
} finally {
if (executor != null) executor.disconnect();
}
}