sixcooler
11 years ago
parent
046e41e376
commit
5b1c4ef191
@ -0,0 +1,80 @@
|
||||
/**
|
||||
* MonitorHandler
|
||||
* Copyright 2014 by Sebastian Gaebel
|
||||
* First released 15.05.2014 at http://yacy.net
|
||||
*
|
||||
* $LastChangedDate$
|
||||
* $LastChangedRevision$
|
||||
* $LastChangedBy$
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library 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
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this program in the file lgpl21.txt
|
||||
* If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
package net.yacy.http;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import javax.servlet.ServletException;
|
||||
import javax.servlet.http.HttpServletRequest;
|
||||
import javax.servlet.http.HttpServletResponse;
|
||||
|
||||
import net.yacy.cora.protocol.ConnectionInfo;
|
||||
import net.yacy.cora.protocol.Domains;
|
||||
|
||||
import org.eclipse.jetty.io.Connection;
|
||||
import org.eclipse.jetty.server.Request;
|
||||
import org.eclipse.jetty.server.handler.AbstractHandler;
|
||||
|
||||
public class MonitorHandler extends AbstractHandler {
|
||||
|
||||
private final Connection.Listener remover = new Connection.Listener() {
|
||||
|
||||
@Override
|
||||
public void onClosed(Connection c) {
|
||||
ConnectionInfo.removeServerConnection(c.hashCode());
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onOpened(Connection c) {
|
||||
}
|
||||
};
|
||||
|
||||
@Override
|
||||
public void handle(String target, Request baseRequest, HttpServletRequest request,
|
||||
HttpServletResponse response) throws IOException, ServletException {
|
||||
|
||||
final Connection connection = baseRequest.getHttpChannel().getEndPoint().getConnection();
|
||||
final ConnectionInfo info = new ConnectionInfo(
|
||||
baseRequest.getProtocol(),
|
||||
baseRequest.getRemoteAddr() + ":" + baseRequest.getRemotePort(),
|
||||
baseRequest.getMethod() + " " + baseRequest.getUri().getPathAndParam(),
|
||||
connection.hashCode(),
|
||||
baseRequest.getTimeStamp(),
|
||||
-1);
|
||||
|
||||
if (ConnectionInfo.getServerConnections().contains(info)) {
|
||||
ConnectionInfo.removeServerConnection(info);
|
||||
} else {
|
||||
connection.addListener(remover);
|
||||
}
|
||||
ConnectionInfo.addServerConnection(info);
|
||||
|
||||
if (ConnectionInfo.isServerCountReached()) {
|
||||
if (Domains.isLocal(baseRequest.getRemoteAddr(), baseRequest.getRemoteInetSocketAddress().getAddress())) return;
|
||||
response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE,"max. server connections reached (see System Administration -> Performance Settings of Busy Queues -> Thread Pool Settings).");
|
||||
baseRequest.setHandled(true);
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue