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Posted to user@commons.apache.org by Diogo Saad <di...@ibnetwork.com.br> on 2004/08/16 21:06:32 UTC
Net - TelnetClient with linux
Hi,
I made a classe called TelnetService that uses TelnetClient.
One of the methods of this class is read() it's supposed to read all
available data from telnet inputstream and return it.
I've been using this method for some time in my machine (win2k server)
with no problems.
Now I tryed to use it into a linux machine and I got some problems!!
When I try to read() all available data from telnet inputstream it
returns a splited string ( not with all the content)...
Feels like it's an assyncronous client, because if I debug the system,
add a breakpoint and wait for some time, it reads the whole content.
But if i run my app without debug it does not return it completly...
feels like i'm trying to read the content before the server sends the
full response!
The source for read() is bellow
Can you help me?
public String read() {
StringBuffer sb = new StringBuffer();
try {
char ch = (char) telnetInput.read();
while (telnetInput.available() > 0) {
sb.append(ch);
ch = (char) telnetInput.read();
}
log.debug(sb.toString());
return sb.toString();
} catch (Exception e) {
log.error(e);
}
return null;
}
Diogo Saad
diogo@ibnetwork.com.br
Inter Business Tecnologia e Servicos
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Re: Net - TelnetClient with linux
Posted by "David Tonhofer, m-plify S.A." <d....@m-plify.com>.
Could it be that 'available()' returns 0 a bit quicker in your new
setup?
Maybe you can try setting a timeout on the client socket:
clientSocket.setSoTimeout(getClientSocketTimeout_ms());
then read until you get an EOL or a timeout, like so:
public static String readLine(Reader isr, int maxLength) throws IOException {
StringBuffer buf = new StringBuffer();
boolean stop = false;
while (buf.length() < maxLength && !stop) {
int ch = isr.read();
if (ch < 0 || ch == '\n' || ch == '\r') {
stop = true;
} else {
buf.append((char) ch);
}
}
return buf.toString();
}
--On Monday, August 16, 2004 4:06 PM -0300 Diogo Saad <di...@ibnetwork.com.br> wrote:
> Hi,
>
> I made a classe called TelnetService that uses TelnetClient.
> One of the methods of this class is read() it's supposed to read all
> available data from telnet inputstream and return it.
> I've been using this method for some time in my machine (win2k server)
> with no problems.
> Now I tryed to use it into a linux machine and I got some problems!!
> When I try to read() all available data from telnet inputstream it
> returns a splited string ( not with all the content)...
> Feels like it's an assyncronous client, because if I debug the system,
> add a breakpoint and wait for some time, it reads the whole content.
> But if i run my app without debug it does not return it completly...
> feels like i'm trying to read the content before the server sends the
> full response!
> The source for read() is bellow
> Can you help me?
>
>
> public String read() {
> StringBuffer sb = new StringBuffer();
> try {
> char ch = (char) telnetInput.read();
> while (telnetInput.available() > 0) {
> sb.append(ch);
> ch = (char) telnetInput.read();
> }
> log.debug(sb.toString());
> return sb.toString();
> } catch (Exception e) {
> log.error(e);
> }
> return null;
> }
>
>
> Diogo Saad
> diogo@ibnetwork.com.br
> Inter Business Tecnologia e Servicos
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: commons-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: commons-user-help@jakarta.apache.org
>
>
>
-- David Tonhofer
M-PLIFY S.A.
Resp. Informatique
47, av. de la Liberté
L-1931 Luxembourg
Tel: +352 261846-52
Fax: +352 261846-46
Mob: +352 021-139031
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