@Override public void returnDelegation(final Updates update, final PccSession session) { final PlspId plspId = update.getLsp().getPlspId(); final Tunnel tunnel = this.tunnels.get(plspId); final long srpId = update.getSrp().getOperationId().getValue(); if (tunnel != null) { // check if session really has a delegation if (hasDelegation(tunnel, session)) { // send report D=0 final Tlvs tlvs = createLspTlvs( plspId.getValue(), true, getDestinationAddress(tunnel.getLspState().getEro().getSubobject(), this.address), this.address, this.address, Optional.of(tunnel.getPathName())); session.sendReport( createPcRtpMessage( new LspBuilder(update.getLsp()) .setSync(true) .setOperational(OperationalStatus.Up) .setDelegate(false) .setTlvs(tlvs) .build(), Optional.of(createSrp(srpId)), tunnel.getLspState())); // start state timer startStateTimeout(tunnel, plspId); // if PCC's LSP, start re-delegation timer if (tunnel.getType() == LspType.PCC_LSP) { startRedelegationTimer(tunnel, plspId, session); } else { // if PCE-initiated LSP, revoke delegation instantly setDelegation(plspId, null); } } else { session.sendError(MsgBuilderUtil.createErrorMsg(PCEPErrors.UPDATE_REQ_FOR_NON_LSP, srpId)); } } else { session.sendError(MsgBuilderUtil.createErrorMsg(PCEPErrors.UNKNOWN_PLSP_ID, srpId)); } }
@Override public synchronized void onSessionUp(final PccSession session) { // first session - delegate all PCC's LSPs // only when reporting at startup if (!this.sessions.containsKey(session.getId()) && session.getId() == 0) { for (final PlspId plspId : this.tunnels.keySet()) { setDelegation(plspId, session); } } this.sessions.put(session.getId(), session); if (!this.tunnels.isEmpty()) { // report all known LSPs for (final Entry<PlspId, Tunnel> entry : this.tunnels.entrySet()) { final Tunnel tunnel = entry.getValue(); final boolean delegation = hasDelegation(tunnel, session); if (delegation) { tunnel.cancelTimeouts(); } final long plspId = entry.getKey().getValue(); final Tlvs tlvs = MsgBuilderUtil.createLspTlvs( plspId, true, getDestinationAddress(tunnel.getLspState().getEro().getSubobject(), this.address), this.address, this.address, Optional.of(tunnel.getPathName())); session.sendReport( createPcRtpMessage( createLsp(plspId, true, Optional.<Tlvs>fromNullable(tlvs), delegation, false), NO_SRP, tunnel.getLspState())); } // end-of-sync marker session.sendReport( createPcRtpMessage( createLsp(0, false, Optional.<Tlvs>absent(), true, false), NO_SRP, createPath(Collections.<Subobject>emptyList()))); } }
@Override public void takeDelegation(final Requests request, final PccSession session) { final PlspId plspId = request.getLsp().getPlspId(); final Tunnel tunnel = this.tunnels.get(plspId); final long srpId = request.getSrp().getOperationId().getValue(); if (tunnel != null) { // check if tunnel has no delegation if (tunnel.type == LspType.PCE_LSP && (tunnel.getDelegationHolder() == -1 || tunnel.getDelegationHolder() == session.getId())) { // set delegation tunnel.cancelTimeouts(); setDelegation(plspId, session); // send report final Tlvs tlvs = createLspTlvs( plspId.getValue(), true, getDestinationAddress(tunnel.getLspState().getEro().getSubobject(), this.address), this.address, this.address, Optional.of(tunnel.getPathName())); session.sendReport( createPcRtpMessage( new LspBuilder(request.getLsp()) .setSync(true) .setOperational(OperationalStatus.Up) .setDelegate(true) .setTlvs(tlvs) .build(), Optional.of(createSrp(srpId)), tunnel.getLspState())); } else { session.sendError(MsgBuilderUtil.createErrorMsg(PCEPErrors.LSP_NOT_PCE_INITIATED, srpId)); } } else { session.sendError(MsgBuilderUtil.createErrorMsg(PCEPErrors.UNKNOWN_PLSP_ID, srpId)); } }
private void sendToAll( final Tunnel tunnel, final PlspId plspId, final List<Subobject> subobjects, final Srp srp, final Path path, final Lsp lsp) { for (final PccSession session : this.sessions.values()) { final boolean isDelegated = hasDelegation(tunnel, session); final Tlvs tlvs = createLspTlvs( plspId.getValue(), true, getDestinationAddress(subobjects, this.address), this.address, this.address, Optional.of(tunnel.getPathName())); final Pcrpt pcRpt = createPcRtpMessage( new LspBuilder(lsp) .setPlspId(plspId) .setOperational(OperationalStatus.Up) .setDelegate(isDelegated) .setSync(true) .addAugmentation( Lsp1.class, new Lsp1Builder() .setCreate(tunnel.getType() == LspType.PCE_LSP ? true : false) .build()) .setTlvs(tlvs) .build(), Optional.fromNullable(srp), path); session.sendReport(pcRpt); } }