/*************************************************************************
Copyright 2010 Panlab
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with 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.
*************************************************************************/
package gr.upatras.ece.nam.fci.uop;
import java.lang.reflect.InvocationTargetException;
import java.util.Date;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.TreeIterator;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EOperation;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.resource.Resource;
import brokermodel.Broker;
import brokermodel.fcielements.AuthorizationKey;
import brokermodel.fcielements.IFCIService;
import brokermodel.federationscenarios.RequestedFederationScenario;
import brokermodel.federationscenarios.ResourceRequest;
import brokermodel.federationscenarios.ResourceSettingInstance;
//The model can be called like:
//http://localhost:8081/org.panlab.software.ws.repos.m2m/repo/PanlabServices.office2
//The extension here of the webservice (eg .office2) must be registered
//also in the language (ie in officedl) under the extension point org.eclipse.xtext.extension_resourceServiceProvider
//uriExtension=office2, class= the same as the officedl extension
//So, as a result the response (which is an instance of the ecore model) can be seen inside the DSL
//Since there is a penalty here from the repository, caching can be used
//(i.e. saving somewhere on the server the whole ecore model) instead of making
//on the fly transformation or use an Office Proxy
public class UoPServices implements IFCIService{
private Broker uopBroker;
//public static String UoPGWCAlias = "http://creativese.no-ip.org:9000/teaglegw";
public static String UoPGWCAlias = "http://nam.ece.upatras.gr:9000/teaglegw";
public static String UoPAuthURL = "http://nam.ece.upatras.gr/fstoolkit/utils/ppereg/authuser.php";
public static String fedway= "http://nam.ece.upatras.gr/fedway";
private static Log log = LogFactory.getLog(UoPServices.class);
private static UoPServices instance;
private String username;
public static UoPServices getInstance() {
if (instance == null)
instance = new UoPServices();
return instance;
}
public UoPServices() {
instance = this;
}
@Override
public Broker getBroker() {
if (uopBroker!=null)
return uopBroker;
return null;
}
@Override
public Broker getBroker( AuthorizationKey authorizationKey, boolean forceRefresh){
if ( (uopBroker!=null) && (!forceRefresh) )
return uopBroker;
if ( authorizationKey!=null ){ //if credentials
String res = checkAuthentication(authorizationKey);
if ( ! res.equals("NOAUTH") ){
//add it
authorizationKey.getCredentials().getCredoptions().put("AuthString", res);
uopBroker = new UoPBrokerProxy(authorizationKey, res, forceRefresh);
username = authorizationKey.getUsername();
if (( (UoPBrokerProxy)uopBroker).brokerLoaded() )
return uopBroker;
}
}
return null;
}
@Override
public Broker getBroker(String username, String password,
boolean forceRefresh) {
if ( (uopBroker!=null) && (!forceRefresh) )
return uopBroker;
//this normally should not happen.
return null;
}
public void LoadFSbyVCT(RequestedFederationScenario fs){
( (UoPBrokerProxy)uopBroker).LoadFSbyVCT(fs);
}
private String checkAuthentication (AuthorizationKey authorizationKey) {
UoPGWClient pgw = new UoPGWClient( UoPServices.UoPGWCAlias, UoPServices.UoPAuthURL );
pgw.GETAuthorizationToken( authorizationKey.getUsername() , authorizationKey.getPassword());
XMLutils x = new XMLutils(true);
String autstring = x.getNodeValueFromXML( pgw.getResponse_stream(), "//token/text()");
if (!autstring.equals("NOAUTH")){
return autstring;
}else{
//TODO" Ishould fix this some time with exceptions
//throw new FCIAuthorizationFailedException();
return "NOAUTH";
}
}
/**
* Creates a Resource
* @author ctranoris
* @return the GUID of the created Resource
* @param scenario The name of scenario where the Resource is involved
* @param ptmAlias The alias of the PTM (e.g uop)
* @param ResourceTypeName The alias of the resource type (e.g rubis_db)
* @param resourceReq A ResourceRequest object containing ResourceSettingInstances, a list with params to be created
*/
@Override
public String CreateResource(String scenario, String ptmAlias,
String resourceTypeName, ResourceRequest resourceReq){
UoPGWClient pgw = new UoPGWClient( UoPServices.UoPGWCAlias, UoPServices.UoPAuthURL );
if (! checkAccess(pgw, scenario, resourceReq) ){
return null;
}
String params="";
for (ResourceSettingInstance pv : resourceReq.getReqResourceSettings()) {
if ( (pv.getStaticValue()!=null)&&(!"".equals( pv.getStaticValue())) ){ //propagate only if not empty
if (pv.getRefResourceSetting()!=null)
params+= "<"+pv.getRefResourceSetting().getName() +">"+pv.getStaticValue() +"</"+pv.getRefResourceSetting().getName() +">" ;
else
params+= "<"+pv.getName() +">"+pv.getStaticValue() +"</"+pv.getName() +">" ;
}
}
boolean req =pgw.POSTExecute( ptmAlias+".top-0", ptmAlias,
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
"<"+resourceTypeName+">" +
"<context><vctId>"+scenario+"</vctId></context>" +
"<configuration>" +
params +
"</configuration>" +
"</"+resourceTypeName+">"
);
String s = "";
if (req){
XMLutils x = new XMLutils(true);
s = x.getNodeValueFromXML( pgw.getResponse_stream(), "//uuid/text()");
//<?xml version="1.0" encoding="utf-8"?><rubis_db status="SUCCESS"><uuid type="string">uop.rubis_db-58</uuid></rubis_db>
}else
s=ptmAlias+"."+resourceTypeName+".node-0";
try {
////http://nam.ece.upatras.gr/fedway/submit_event.php?subject=aResource&descr=myDescription&resourceid=123456&start_ts=2011-09-15%2017:00:00&end_ts=2011-09-17%2011:01:31&guid=guid5&scenarioid=scen1234&scenarioName=myScenario
String subject = resourceReq.getRefOfferedResource().getName();
String myDescription = resourceReq.getRefOfferedResource().getName()
+"created by FCI with Alias: "+resourceReq.getName() +", for Scenario: "+scenario +
", by user: "+this.username;
String resourceid = resourceReq.getRefOfferedResource().getUniqueID();
Date start_ts = new Date ();
Date end_ts = new Date ();
String guid = s;
String scenarioid = scenario;
String scenarioName = scenario;
pgw.informFedWay(fedway, subject , myDescription, resourceid,
start_ts, end_ts, guid, scenarioid, scenarioName, this.username);
} catch (Exception e) {
// TODO: handle exception
}
return s;
// //a CREATE resource example
// UoPGWClient u = new UoPGWClient( "http://150.140.184.156:9000/teaglegw" );
// u.POSTexecute( "uop.top-0", "p2e",
// "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
// "<rubis_db>" +
// "<context><vctId>ctranoris_rubbis_db</vctId></context>" +
// "<configuration>" +
// "<VLANID>23</VLANID><IP>10.0.0.1</IP>" +
// "<GW>10.0.0.250</GW>" +
// "<MEM>256</MEM>" +
// "<DISKSPACE>10000</DISKSPACE>" +
// "<CPUCAP>0</CPUCAP>" +
// "</configuration>" +
// "</rubis_db>"
// );
}
private boolean checkAccess(UoPGWClient pgw, String scenario, ResourceRequest resourceReq) {
try {
////http://nam.ece.upatras.gr/fedway/submit_event.php?subject=aResource&descr=myDescription&resourceid=123456&start_ts=2011-09-15%2017:00:00&end_ts=2011-09-17%2011:01:31&guid=guid5&scenarioid=scen1234&scenarioName=myScenario
String subject = resourceReq.getRefOfferedResource().getName();
String myDescription = resourceReq.getRefOfferedResource().getName()
+"created by FCI with Alias: "+resourceReq.getName() +", for Scenario: "+scenario +
", by user: "+this.username;
String resourceid = resourceReq.getRefOfferedResource().getUniqueID();
Date start_ts = new Date ();
Date end_ts = new Date ();
String guid = "-";
String scenarioid = scenario;
String scenarioName = scenario;
String s = pgw.checkFedWay( fedway, subject , myDescription, resourceid,
start_ts, end_ts, guid, scenarioid, scenarioName, this.username);
return s.equals("OK\n");
} catch (Exception e) {
// TODO: handle exception
}
return false;
}
/**
* Updates a Resource
* @author ctranoris
* @return the response of the update
* @param runtimeID The RuntimeID (or GUID) of the resource to be updated. In Panlab, probably is something like resource-number (e.g. rubisdb-12)
* @param resourceReq A ResourceRequest object containing ResourceSettingInstances, a list with params to be created
*/
public String UpdateResource(String contextName, String providerURI,
String resourceTypeName,
String runtimeID,
ResourceRequest resourceReq){
UoPGWClient pgw = new UoPGWClient( UoPServices.UoPGWCAlias, UoPServices.UoPAuthURL );
String params="";
for (ResourceSettingInstance pv : resourceReq.getReqResourceSettings()) {
if ( (pv.getStaticValue()!=null)&&(!"".equals( pv.getStaticValue())) ){ //propagate only if not empty
if (pv.getRefResourceSetting()!=null)
params+= "<"+pv.getRefResourceSetting().getName() +">"+pv.getStaticValue() +"</"+pv.getRefResourceSetting().getName() +">" ;
else
params+= "<"+pv.getName() +">"+pv.getStaticValue() +"</"+pv.getName() +">" ;
}
}
//ptmAlias.�name�
// System.out.println("update �name� "+ this.getInstanceName() );
// UoPGWClient pgw = UoPGWClient.getInstance();
// String cname = this.getClass().getName();
// pgw.POSTexecute(this.getInstanceName(), ptmAlias,
// "<"+cname+" action=\"update\">" +
// "<configuration>" +
// "<context><vctId>" +
// this.getVCTid()+
// "</vctId></context>" +
// "<configuration>" +
// args+
// "</configuration>" +
// "</configuration></"+cname+">");
boolean req = pgw.POSTExecute( runtimeID, providerURI,
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
"<"+resourceTypeName+" action=\"update\">" +
"<context><vctId>"+contextName+"</vctId></context>" +
"<configuration>" +
params +
"</configuration>" +
"</"+resourceTypeName+">"
);
String s = "";
if (req){
XMLutils x = new XMLutils(true);
s = x.getNodeValueFromXML( pgw.getResponse_stream(), "//uuid/text()");
//<?xml version="1.0" encoding="utf-8"?><rubis_db status="SUCCESS"><uuid type="string">uop.rubis_db-58</uuid></rubis_db>
}else
s=providerURI+"."+resourceTypeName+".node-0";
//System.out.println("Value = " + s);
return s;
}
public String DeleteResource(String contextName, String providerURI,
String resourceTypeName,
String runtimeID,
ResourceRequest resourceReq) {
// if (PanlabOfficeProxy.DONTPropagateToTeagleGW )
// return "test-DeleteResource-"+resourceReq.getName();
UoPGWClient pgw = new UoPGWClient( UoPServices.UoPGWCAlias , UoPServices.UoPAuthURL);
pgw.DELETEexecute( runtimeID, providerURI,
"<delete>" +
"</delete>"
);
XMLutils x = new XMLutils(true);
String s = x.getNodeValueFromXML( pgw.getResponse_stream(), "//uuid/text()");
//System.out.println("Value = " + s);
try {
////http://nam.ece.upatras.gr/fedway/submit_event.php?subject=aResource&descr=myDescription&resourceid=123456&start_ts=2011-09-15%2017:00:00&end_ts=2011-09-17%2011:01:31&guid=guid5&scenarioid=scen1234&scenarioName=myScenario
String subject = "";
String myDescription = "";
String resourceid = "";
Date start_ts = new Date ();
Date end_ts = new Date ();
String guid = runtimeID;
String scenarioid = "";
String scenarioName = "";
pgw.informFedWay(fedway, subject , myDescription, resourceid,
start_ts, end_ts, guid, scenarioid, scenarioName, this.username );
} catch (Exception e) {
// TODO: handle exception
}
return s;
}
/**
*
*Call '<em><b>getParameterValueOfResource</b></em>' when you want to get the value of a resource's attribute from down the actual resource
*WARNING: Get currently works only with RAs implemented with RADL that
*respond to get with their XML.(e.g. if(top.equalsIgnoreCase("get")) in RAService.java)
*/
public String getParameterValueOfResource(String scenario, String ptmAlias,
String resourceRuntimeID, String paramName){
// if (PanlabOfficeProxy.DONTPropagateToTeagleGW )
// return "test-getParameterValueOfResource-"+paramName;
UoPGWClient pgw = new UoPGWClient( UoPServices.UoPGWCAlias, UoPServices.UoPAuthURL );
pgw.GETexecute( resourceRuntimeID, ptmAlias);
XMLutils x = new XMLutils(true);
String s = x.getNodeValueFromXML(pgw.getResponse_stream(), "//"+paramName+"/text()");
//System.out.println("Value = " + s);
log.info("Value = " + s);
return s;
}
@Override
public EClass eClass() {
// TODO Auto-generated method stub
return null;
}
@Override
public Resource eResource() {
// TODO Auto-generated method stub
return null;
}
@Override
public EObject eContainer() {
// TODO Auto-generated method stub
return null;
}
@Override
public EStructuralFeature eContainingFeature() {
// TODO Auto-generated method stub
return null;
}
@Override
public EReference eContainmentFeature() {
// TODO Auto-generated method stub
return null;
}
@Override
public EList<EObject> eContents() {
// TODO Auto-generated method stub
return null;
}
@Override
public TreeIterator<EObject> eAllContents() {
// TODO Auto-generated method stub
return null;
}
@Override
public boolean eIsProxy() {
// TODO Auto-generated method stub
return false;
}
@Override
public EList<EObject> eCrossReferences() {
// TODO Auto-generated method stub
return null;
}
@Override
public Object eGet(EStructuralFeature feature) {
// TODO Auto-generated method stub
return null;
}
@Override
public Object eGet(EStructuralFeature feature, boolean resolve) {
// TODO Auto-generated method stub
return null;
}
@Override
public void eSet(EStructuralFeature feature, Object newValue) {
// TODO Auto-generated method stub
}
@Override
public boolean eIsSet(EStructuralFeature feature) {
// TODO Auto-generated method stub
return false;
}
@Override
public void eUnset(EStructuralFeature feature) {
// TODO Auto-generated method stub
}
@Override
public Object eInvoke(EOperation operation, EList<?> arguments)
throws InvocationTargetException {
// TODO Auto-generated method stub
return null;
}
@Override
public EList<Adapter> eAdapters() {
// TODO Auto-generated method stub
return null;
}
@Override
public boolean eDeliver() {
// TODO Auto-generated method stub
return false;
}
@Override
public void eSetDeliver(boolean deliver) {
// TODO Auto-generated method stub
}
@Override
public void eNotify(Notification notification) {
// TODO Auto-generated method stub
}
@Override
public void setBroker(Broker value) {
// TODO Auto-generated method stub
}
}