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/* The diagnostic session to an imdiag module (running inside rsyslogd).
*
* Copyright 2009 Rainer Gerhards and Adiscon GmbH.
*
* This file is part of rsyslog.
*
* Rsyslog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rsyslog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Rsyslog. If not, see <http://www.gnu.org/licenses/>.
*
* A copy of the GPL can be found in the file "COPYING" in this distribution.
*/
package com.rsyslog.lib;
import java.io.*;
import java.net.*;
public class DiagSess {
private String host = new String("127.0.0.1");
private int port = 13500;
int timeout = 0;
private PrintWriter out = null;
private BufferedReader in = null;
private Socket diagSocket = null;
/** set connection timeout */
public void setTimeout(int timeout_) {
timeout = timeout_;
}
public DiagSess(String host_, int port_) {
host = host_;
port = port_;
}
/** connect to remote server. Initializes everything for request-reply
* processing.
*
* @throws IOException
*/
public void connect() throws IOException {
diagSocket = new Socket(host, port);
diagSocket.setSoTimeout(timeout);
out = new PrintWriter(diagSocket.getOutputStream(), true);
in = new BufferedReader(new InputStreamReader(
diagSocket.getInputStream()));
}
/** end session with remote server. */
public void disconnect() throws IOException {
out.close();
in.close();
diagSocket.close();
}
/** issue a request to imdiag and return its response.
*
* @param req request string
* @return response string (unparsed)
* @throws IOException
*/
public String request(String req) throws IOException {
out.println(req);
String resp = in.readLine();
return resp;
}
}
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