// 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.network;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.Map;
import javax.ejb.Local;
import javax.naming.ConfigurationException;
import org.apache.log4j.Logger;
import com.cloud.configuration.dao.ConfigurationDao;
import com.cloud.dc.dao.VlanDao;
import com.cloud.network.dao.IPAddressDao;
import com.cloud.utils.component.ComponentLocator;
import com.cloud.utils.component.Inject;
import com.cloud.utils.exception.CloudRuntimeException;
@Local(value=IpAddrAllocator.class)
public class ExteralIpAddressAllocator implements IpAddrAllocator{
private static final Logger s_logger = Logger.getLogger(ExteralIpAddressAllocator.class);
String _name;
@Inject ConfigurationDao _configDao = null;
@Inject IPAddressDao _ipAddressDao = null;
@Inject VlanDao _vlanDao;
private boolean _isExternalIpAllocatorEnabled = false;
private String _externalIpAllocatorUrl = null;
@Override
public IpAddr getPrivateIpAddress(String macAddr, long dcId, long podId) {
if (_externalIpAllocatorUrl == null || this._externalIpAllocatorUrl.equalsIgnoreCase("")) {
return new IpAddr();
}
String urlString = this._externalIpAllocatorUrl + "?command=getIpAddr&mac=" + macAddr + "&dc=" + dcId + "&pod=" + podId;
s_logger.debug("getIP:" + urlString);
BufferedReader in = null;
try {
URL url = new URL(urlString);
URLConnection conn = url.openConnection();
conn.setReadTimeout(30000);
in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String inputLine;
while ((inputLine = in.readLine()) != null) {
s_logger.debug(inputLine);
String[] tokens = inputLine.split(",");
if (tokens.length != 3) {
s_logger.debug("the return value should be: mac,netmask,gateway");
return new IpAddr();
}
return new IpAddr(tokens[0], tokens[1], tokens[2]);
}
return new IpAddr();
} catch (MalformedURLException e) {
throw new CloudRuntimeException("URL is malformed " + urlString, e);
} catch (IOException e) {
return new IpAddr();
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
}
}
}
}
@Override
public IpAddr getPublicIpAddress(String macAddr, long dcId, long podId) {
/*TODO: call API to get ip address from external DHCP server*/
return getPrivateIpAddress(macAddr, dcId, podId);
}
@Override
public boolean releasePrivateIpAddress(String ip, long dcId, long podId) {
/*TODO: call API to release the ip address from external DHCP server*/
if (_externalIpAllocatorUrl == null || this._externalIpAllocatorUrl.equalsIgnoreCase("")) {
return false;
}
String urlString = this._externalIpAllocatorUrl + "?command=releaseIpAddr&ip=" + ip + "&dc=" + dcId + "&pod=" + podId;
s_logger.debug("releaseIP:" + urlString);
BufferedReader in = null;
try {
URL url = new URL(urlString);
URLConnection conn = url.openConnection();
conn.setReadTimeout(30000);
in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
return true;
} catch (MalformedURLException e) {
throw new CloudRuntimeException("URL is malformed " + urlString, e);
} catch (IOException e) {
return false;
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
}
}
}
}
@Override
public boolean releasePublicIpAddress(String ip, long dcId, long podId) {
/*TODO: call API to release the ip address from external DHCP server*/
return releasePrivateIpAddress(ip, dcId, podId);
}
public boolean exteralIpAddressAllocatorEnabled() {
return _isExternalIpAllocatorEnabled;
}
@Override
public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
ComponentLocator locator = ComponentLocator.getCurrentLocator();
_configDao = locator.getDao(ConfigurationDao.class);
_isExternalIpAllocatorEnabled = Boolean.parseBoolean(_configDao.getValue("direct.attach.network.externalIpAllocator.enabled"));
_externalIpAllocatorUrl = _configDao.getValue("direct.attach.network.externalIpAllocator.url");
_name = name;
return true;
}
@Override
public String getName() {
return _name;
}
@Override
public boolean start() {
return true;
}
@Override
public boolean stop() {
return true;
}
}