Last line is not read

Hello

We run a native Linux as command:

Process p = Runtime.getRuntime().exec("/bin/tcsh");

Then to the process, we use outputstream to send the following:

getOutputStream () .write (command + getNewline()) .getBytes ());

getOutputStream () .flush ();

Command is a shell application' / home/myid/test/myshell/bin/run ' which starts an ascii gui that looks like (see below). He waits for user input.

*******************************************
* My shell Application *.

*******************************************

HELP::

COMMAND: c

QUIT: q

135.19.45.18 >

We then use the inputstream to read the foregoing and correspond to the IP (see code below).

Whenever I run what I do not see that we get the last line (ip and guest). If the code below will be

timeout every time.

Any ideas why I don't get the last line. I tried to send a 'q' after the order and then I see the guest...

BR,

Mike

protected StringBuilder readUntilIpMatch (Final InputStream in) {

final long timeForTimeout = System. currentTimeMillis()

+ sessionData.getSendTimeoutMillis ();

Reset buffer

buffer.setLength (0);

while (true) {

try {

if (in. available() > 0 ) {

buffer. Append ((char) in. read());

extra check to avoid prompt corresponding famine.

if (matchIp()) {

return buffer;

}

} catch (final IOException e) {}

throw new ReadException (

"Impossible to read a buffer in all looking for invites!",.

ce, e) ;

}

/ / If the timeout is reached.

if ((sessionData.getSendTimeoutMillis () > 0)

& & ((System. currentTimeMillis() > timeForTimeout)) {

throw new ReadTimeoutException (

"Did not find quickly in time limit (SendTimeout): '"

+ this. getSendTimeoutMillis() + 'ms', this,.

( null) ;

}

I guess that your implementation of matchIp() is wrong:

public class ReaderTest {

    public static void main(String[] args) {
        new ReaderTest().testReaderMethod();
    }

    private void testReaderMethod() {
        ByteArrayInputStream dummyStrem = new ByteArrayInputStream(
                ("*******************************************\n"
                        + "*   My shell Application                   *\n"
                        + "\n"
                        + "*******************************************\n"
                        + "\n" + " \n" + "\n" + "HELP: h\n" + "\n"
                        + "COMMAND: c\n" + "\n" + "QUIT:q\n" + "\n"
                        + "135.19.45.18> ").getBytes());
        System.out.println(readUntilIpMatch(dummyStrem));

    }

    private StringBuilder buffer = new StringBuilder();

    protected String readUntilIpMatch(final InputStream in) {
        while (true) {
            try {
                if (in.available() > 0) {
                    buffer.append((char) in.read());
                    Pattern pattern = Pattern
                            .compile("\\d{1,3}(\\.\\d{1,3}){3}(?=\\D)");
                    Matcher matcher = pattern.matcher(buffer);
                    if (matcher.find()) {
                        return matcher.group();
                    }
                }
            } catch (final IOException e) {
                throw new RuntimeException(
                        "Failed to read buffer in while looking for prompt!", e);
            }
        }
    } // runs forever if not matching!!!!
}

Good bye

DPT

Tags: Java

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