// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License.  Citrix Systems, Inc.
// reserves all rights not expressly granted by the License.
// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// 
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.agent.resource.computing;

import org.apache.log4j.Logger;
import org.libvirt.Connect;
import org.libvirt.LibvirtException;

public class LibvirtConnection {
	private static final Logger s_logger = Logger
			.getLogger(LibvirtConnection.class);
	static private Connect _connection;
	static private String _hypervisorURI;

	static public Connect getConnection() throws LibvirtException {
		if (_connection == null) {
			_connection = new Connect(_hypervisorURI, false);
		} else {
			try {
				_connection.getVersion();
			} catch (LibvirtException e) {
				s_logger.debug("Connection with libvirtd is broken, due to "
						+ e.getMessage());
				_connection = new Connect(_hypervisorURI, false);
			}
		}

		return _connection;
	}

	static void initialize(String hypervisorURI) {
		_hypervisorURI = hypervisorURI;
	}
}