public void startLSP(LSPTE lsp, ERO eroRSVP) {
lsp.setEro(eroRSVP);
boolean check = resourceManager.checkResources(lsp);
if (check == false) {
// No Resources Available --> Remove LSP from List
LSPList.remove(new LSPKey(localIP, lsp.getIdLSP()));
// FIXME: Crear el pathErr para enviar
// Creamos Path Error Message
RSVPPathErrMessage PathErr = new RSVPPathErrMessage();
log.warning("There are no resources available");
} else {
// FIXME: ver si añadimos la lambda al LSP en otro momento o no
// de momento la información de lambda asociada la tenemos en el RSVP Manager
// lsp.setLambda(resourceManager.getLambda());
Inet4Address prox = null;
RSVPTEPathMessage path = resourceManager.getRSVPTEPathMessageFromPCEPResponse(lsp);
// prox = (resourceManager.getProxHopIPv4List()).get(new
// LSPKey((resourceManager.getProxHopIPv4List()).keys().nextElement().getSourceAddress(),
// (resourceManager.getProxHopIPv4List()).keys().nextElement().getLspId()));
prox =
(resourceManager.getProxHopIPv4List()).get(new LSPKey(lsp.getIdSource(), lsp.getIdLSP()));
timeEnd_Node = System.nanoTime();
log.info(
"LSP Time to Process RSVP Path Mssg in Node (ms): "
+ ((timeEnd_Node - timeIni_Node) / 1000000)
+ " --> Sending RSVP path Message to "
+ prox.toString()
+ " !");
sendRSVPMessage(path, prox);
}
}
public void teardownLSP(LSPTE lsp) {
resourceManager.freeResources(lsp);
RSVPPathTearMessage tear = new RSVPPathTearMessage();
tear = resourceManager.getRSVPPathTearMessage(lsp);
Inet4Address prox =
resourceManager.getProxHopIPv4List().get(new LSPKey(lsp.getIdSource(), lsp.getIdLSP()));
log.info("Sending RSVP PATH Tear Message to " + prox.toString());
sendRSVPMessage(tear, prox);
}
/**
* Method to add a new TE LSP from a previous Path message received
*
* @param lsp
* @param path
*/
public void forwardRSVPpath(LSPTE lsp, RSVPTEPathMessage path) throws LSPCreationException {
log.info("Forwarding and Processing RSVP Path Message");
int nodeType = LSPParameters.LSP_NODE_TYPE_TRANSIT;
if (lsp == null) log.info("Cosa Mala...");
if (lsp.getIdDestination() == null) log.info("IPDest is null");
if (localIP == null) log.info("IPLocal is null");
log.info(
"Comparando: "
+ lsp.getIdDestination().getHostAddress()
+ " y "
+ localIP.getHostAddress());
if ((lsp.getIdDestination().getHostAddress()).equals(localIP.getHostAddress())) {
nodeType = LSPParameters.LSP_NODE_TYPE_DESTINATION;
log.info("New LSP, I am node Destination!");
}
/*
log.info("localIP.getHostAddress()::"+localIP.getHostAddress());
if(localIP.getHostAddress().equals("192.168.1.8"))
{
}
if(localIP.getHostAddress().equals("192.168.1.9"))
{
nodeType = LSPParameters.LSP_NODE_TYPE_DESTINATION;
}
*/
// DESTINATION NODE //
if (nodeType == LSPParameters.LSP_NODE_TYPE_DESTINATION) {
// crear el RSPV RESV y enviarlo de vuelta
RSVPTEResvMessage resv = new RSVPTEResvMessage();
resv = resourceManager.getRSVPResvMessageFromDestination(path, lsp);
LSPKey key = new LSPKey(lsp.getIdSource(), lsp.getIdLSP());
// Guardamos el LSP en la lista
LSPList.put(key, lsp);
// Enviamos el mensaje
if (resv != null) {
Inet4Address prox = resourceManager.getPreviousHopIPv4List().get(key);
timeEnd_Node = System.nanoTime();
log.info("LSP Time Path Node Process (ms): " + ((timeEnd_Node - timeIni_Node) / 1000000));
log.info("Sending RSVP Resv message to " + prox.toString() + " !");
sendRSVPMessage(resv, prox);
}
// TRANSIT NODE //
} else if (nodeType == LSPParameters.LSP_NODE_TYPE_TRANSIT) {
log.info("New LSP, I am transit node");
ERO eroRSVP = new ERO();
LinkedList<EROSubobject> clone =
(LinkedList<EROSubobject>) path.getEro().getEroSubobjects().clone();
eroRSVP.setEroSubobjects(clone);
lsp.setEro(eroRSVP);
boolean check = resourceManager.checkResources(lsp);
if (check == false) {
log.info("Error! No Resources in the Node!");
throw new LSPCreationException(LSPCreationErrorTypes.NO_RESOURCES);
} else {
LSPKey key = new LSPKey(lsp.getIdSource(), lsp.getIdLSP());
// Put the LSP in the list
LSPList.put(key, lsp);
RSVPTEPathMessage NewPath = resourceManager.forwardRSVPpath(lsp, path);
timeEnd_Node = System.nanoTime();
log.info(
"LSP Time to Process RSVP Path in Node (ms): "
+ ((timeEnd_Node - timeIni_Node) / 1000000));
Inet4Address prox = (resourceManager.getProxHopIPv4List()).get(key);
log.info("Sending the RSVP PATH message to " + prox.toString() + " !");
sendRSVPMessage(NewPath, prox);
}
}
}
/**
* startLSP() Envía y recibe la respuesta del PCE con la ruta calculada Se encarga de crear el
* mensaje RSVP path y enviarlo al primera nodo de destino
*
* <p>Hay que comprobar si tenemos interfaz disponible en el roadm para que enviar los datos. *
*
* @throws LSPCreationException
*/
public void startLSP(LSPTE lsp) throws LSPCreationException {
// Get specific request from Resource Manager
PCEPRequest req = resourceManager.getPCEPRequest(lsp);
// Send Request to the PCE
PCEPResponse pr;
try {
pr = pcc.getCrm().newRequest(req);
} catch (Exception e) {
log.info(UtilsFunctions.exceptionToString(e));
throw new LSPCreationException(LSPCreationErrorTypes.ERROR_REQUEST);
}
// No Response from PCE
if (pr == null) {
LSPList.remove(new LSPKey(localIP, lsp.getIdLSP()));
throw new LSPCreationException(LSPCreationErrorTypes.NO_RESPONSE);
}
Response resp = pr.getResponse(0);
// Response No Path from PCE
if (resp.getNoPath() != null) {
log.info("Response : No PATH: --> " + resp.getNoPath().toString());
lsp.setPcepResponse(resp);
LSPList.remove(new LSPKey(localIP, lsp.getIdLSP()));
throw new LSPCreationException(LSPCreationErrorTypes.NO_PATH);
}
ERO eroRSVP = new ERO();
if (rsvpMode == false) {
log.info("Response : " + pr.toString());
log.info("RSVP Mode false --> enviamos Notify LSP Established");
established = true;
lsp.setPcepResponse(resp);
LinkedList<EROSubobject> clone =
(LinkedList<EROSubobject>)
resp.getPathList().get(0).geteRO().getEROSubobjectList().clone();
eroRSVP.setEroSubobjects(clone);
lsp.setEro(eroRSVP);
} else {
log.info("Response : " + pr.toString());
// saveEroStats(resp.getPath(0).geteRO());
// Response OK
lsp.setPcepResponse(resp);
if (resp.getPathList().get(0).geteRO() != null) {
LinkedList<EROSubobject> clone =
(LinkedList<EROSubobject>)
resp.getPathList().get(0).geteRO().getEROSubobjectList().clone();
eroRSVP.setEroSubobjects(clone);
lsp.setEro(eroRSVP);
boolean check = resourceManager.checkResources(lsp);
if (check == false) {
// No Resources Available --> Remove LSP from List
LSPList.remove(new LSPKey(localIP, lsp.getIdLSP()));
// FIXME: Crear el pathErr para enviar
// Creamos Path Error Message
RSVPPathErrMessage PathErr = new RSVPPathErrMessage();
log.warning("There are no resources available");
throw new LSPCreationException(LSPCreationErrorTypes.NO_RESOURCES);
} else {
// FIXME: ver si añadimos la lambda al LSP en otro momento o no
// de momento la información de lambda asociada la tenemos en el RSVP Manager
// lsp.setLambda(resourceManager.getLambda());
Inet4Address prox = null;
RSVPTEPathMessage path = resourceManager.getRSVPTEPathMessageFromPCEPResponse(lsp);
// prox = (resourceManager.getProxHopIPv4List()).get(new
// LSPKey((resourceManager.getProxHopIPv4List()).keys().nextElement().getSourceAddress(),
// (resourceManager.getProxHopIPv4List()).keys().nextElement().getLspId()));
prox =
(resourceManager.getProxHopIPv4List())
.get(new LSPKey(lsp.getIdSource(), lsp.getIdLSP()));
timeEnd_Node = System.nanoTime();
log.info(
"LSP Time to Process RSVP Path Mssg in Node (ms): "
+ ((timeEnd_Node - timeIni_Node) / 1000000)
+ " --> Sending RSVP path Message to "
+ prox.toString()
+ " !");
sendRSVPMessage(path, prox);
}
} else if (resp.getPathList().get(0).geteRO() != null) {
ExplicitRouteObject srero = new ExplicitRouteObject();
LinkedList<EROSubobject> clone =
(LinkedList<EROSubobject>)
resp.getPathList().get(0).geteRO().getEROSubobjectList().clone();
srero.setEROSubobjectList(clone);
lsp.setSRERO(srero);
log.info("SID encontrado: " + srero.toString());
// boolean check = resourceManager.checkResources(lsp);
// if (check==false){
// // No Resources Available --> Remove LSP from List
// LSPList.remove(new LSPKey(localIP, lsp.getIdLSP()));
//
// //FIXME: Crear el pathErr para enviar
// //Creamos Path Error Message
// RSVPPathErrMessage PathErr = new RSVPPathErrMessage();
// log.warning("There are no resources available");
// throw new LSPCreationException(LSPCreationErrorTypes.NO_RESOURCES);
// }else{
// //FIXME: ver si añadimos la lambda al LSP en otro momento o no
// // de momento la información de lambda asociada la tenemos en el RSVP Manager
// //lsp.setLambda(resourceManager.getLambda());
// Inet4Address prox = null;
// RSVPTEPathMessage path = resourceManager.getRSVPTEPathMessageFromPCEPResponse(lsp);
// //prox = (resourceManager.getProxHopIPv4List()).get(new
// LSPKey((resourceManager.getProxHopIPv4List()).keys().nextElement().getSourceAddress(),
// (resourceManager.getProxHopIPv4List()).keys().nextElement().getLspId()));
// prox = (resourceManager.getProxHopIPv4List()).get(new LSPKey(lsp.getIdSource(),
// lsp.getIdLSP()));
// timeEnd_Node=System.nanoTime();
// log.info("LSP Time to Process RSVP Path Mssg in Node (ms):
// "+((timeEnd_Node-timeIni_Node)/1000000) + " --> Sending RSVP path Message to
// "+prox.toString()+" !");
// sendRSVPMessage(path,prox);
// }
}
}
}