private void updateOMSPorts(int numChls, ConnectPoint srcCp, ConnectPoint dstCp) {
// round down to largest slot that allows numChl channels to fit into C band range
ChannelSpacing chl = null;
Frequency perChl = TOTAL.floorDivision(numChls);
for (int i = 0; i < ChannelSpacing.values().length; i++) {
Frequency val = ChannelSpacing.values()[i].frequency();
if (val.isLessThan(perChl)) {
chl = ChannelSpacing.values()[i];
break;
}
}
if (chl == null) {
chl = ChannelSpacing.CHL_6P25GHZ;
}
// if true, there was less channels than can be tightly packed.
Frequency grid = chl.frequency();
// say Linc's 1st slot starts at CENTER and goes up from there.
Frequency min = CENTER.add(grid);
Frequency max = CENTER.add(grid.multiply(numChls));
PortDescription srcPortDesc = new OmsPortDescription(srcCp.port(), true, min, max, grid);
PortDescription dstPortDesc = new OmsPortDescription(dstCp.port(), true, min, max, grid);
descriptions.put(srcCp, srcPortDesc);
descriptions.put(dstCp, dstPortDesc);
deviceProviderService.portStatusChanged(srcCp.deviceId(), srcPortDesc);
deviceProviderService.portStatusChanged(dstCp.deviceId(), dstPortDesc);
}
// uses 'bandwidth' annotation to determine the channel spacing.
private void updateOchPort(double bw, ConnectPoint srcCp, ConnectPoint dstCp) {
Device src = deviceService.getDevice(srcCp.deviceId());
Device dst = deviceService.getDevice(dstCp.deviceId());
// bandwidth in MHz (assuming Hz - linc is not clear if that or Mb).
Frequency spacing = Frequency.ofMHz(bw);
// channel bandwidth is smaller than smallest standard channel spacing.
ChannelSpacing chsp = null;
if (spacing.compareTo(ChannelSpacing.CHL_6P25GHZ.frequency()) <= 0) {
chsp = ChannelSpacing.CHL_6P25GHZ;
}
for (int i = 1; i < ChannelSpacing.values().length; i++) {
Frequency val = ChannelSpacing.values()[i].frequency();
// pick the next highest or equal channel interval.
if (val.isLessThan(spacing)) {
chsp = ChannelSpacing.values()[i - 1];
break;
}
}
if (chsp == null) {
log.warn("Invalid channel spacing ({}), can't configure port(s)", spacing);
return;
}
OchSignal signal = new OchSignal(GridType.DWDM, chsp, 1, 1);
if (src.type() == Device.Type.ROADM) {
PortDescription portDesc =
new OchPortDescription(srcCp.port(), true, OduSignalType.ODU4, true, signal);
descriptions.put(srcCp, portDesc);
deviceProviderService.portStatusChanged(srcCp.deviceId(), portDesc);
}
if (dst.type() == Device.Type.ROADM) {
PortDescription portDesc =
new OchPortDescription(dstCp.port(), true, OduSignalType.ODU4, true, signal);
descriptions.put(dstCp, portDesc);
deviceProviderService.portStatusChanged(dstCp.deviceId(), portDesc);
}
}
/** Provider of devices and links parsed from a JSON configuration structure. */
class ConfigProvider implements DeviceProvider, LinkProvider, HostProvider {
private final Logger log = LoggerFactory.getLogger(getClass());
private static final ProviderId PID = new ProviderId("cfg", "org.onosproject.rest", true);
private static final String UNKNOWN = "unknown";
private static final Frequency CENTER = Frequency.ofTHz(193.1);
// C-band has 4.4 THz (4,400 GHz) total bandwidth
private static final Frequency TOTAL = Frequency.ofTHz(4.4);
private CountDownLatch deviceLatch;
private final JsonNode cfg;
private final DeviceService deviceService;
private final DeviceProviderRegistry deviceProviderRegistry;
private final LinkProviderRegistry linkProviderRegistry;
private final HostProviderRegistry hostProviderRegistry;
private DeviceProviderService deviceProviderService;
private LinkProviderService linkProviderService;
private HostProviderService hostProviderService;
private DeviceListener deviceEventCounter = new DeviceEventCounter();
private List<ConnectPoint> connectPoints = Lists.newArrayList();
private Map<ConnectPoint, PortDescription> descriptions = Maps.newHashMap();
/**
* Creates a new configuration provider.
*
* @param cfg JSON configuration
* @param deviceService device service
* @param deviceProviderRegistry device provider registry
* @param linkProviderRegistry link provider registry
* @param hostProviderRegistry host provider registry
*/
ConfigProvider(
JsonNode cfg,
DeviceService deviceService,
DeviceProviderRegistry deviceProviderRegistry,
LinkProviderRegistry linkProviderRegistry,
HostProviderRegistry hostProviderRegistry) {
this.cfg = checkNotNull(cfg, "Configuration cannot be null");
this.deviceService = checkNotNull(deviceService, "Device service cannot be null");
this.deviceProviderRegistry =
checkNotNull(deviceProviderRegistry, "Device provider registry cannot be null");
this.linkProviderRegistry =
checkNotNull(linkProviderRegistry, "Link provider registry cannot be null");
this.hostProviderRegistry =
checkNotNull(hostProviderRegistry, "Host provider registry cannot be null");
}
/** Parses the given JSON and provides links as configured. */
void parse() {
try {
register();
parseDevices();
parseLinks();
parseHosts();
addMissingPorts();
} finally {
unregister();
}
}
private void register() {
deviceProviderService = deviceProviderRegistry.register(this);
linkProviderService = linkProviderRegistry.register(this);
hostProviderService = hostProviderRegistry.register(this);
}
private void unregister() {
deviceProviderRegistry.unregister(this);
linkProviderRegistry.unregister(this);
hostProviderRegistry.unregister(this);
}
// Parses the given JSON and provides devices.
private void parseDevices() {
try {
JsonNode nodes = cfg.get("devices");
if (nodes != null) {
prepareForDeviceEvents(nodes.size());
for (JsonNode node : nodes) {
parseDevice(node);
// FIXME: hack to make sure device attributes take
// This will be fixed when GossipDeviceStore uses ECM
parseDevice(node);
}
}
} finally {
waitForDeviceEvents();
}
}
// Parses the given node with device data and supplies the device.
private void parseDevice(JsonNode node) {
URI uri = URI.create(get(node, "uri"));
Device.Type type = Device.Type.valueOf(get(node, "type", "SWITCH"));
String mfr = get(node, "mfr", UNKNOWN);
String hw = get(node, "hw", UNKNOWN);
String sw = get(node, "sw", UNKNOWN);
String serial = get(node, "serial", UNKNOWN);
ChassisId cid = new ChassisId(get(node, "mac", "000000000000"));
SparseAnnotations annotations = annotations(node.get("annotations"));
DeviceDescription desc =
new DefaultDeviceDescription(uri, type, mfr, hw, sw, serial, cid, annotations);
DeviceId deviceId = deviceId(uri);
deviceProviderService.deviceConnected(deviceId, desc);
JsonNode ports = node.get("ports");
if (ports != null) {
parsePorts(deviceId, ports);
}
}
// Parses the given node with list of device ports.
private void parsePorts(DeviceId deviceId, JsonNode nodes) {
List<PortDescription> ports = new ArrayList<>();
for (JsonNode node : nodes) {
ports.add(parsePort(deviceId, node));
}
deviceProviderService.updatePorts(deviceId, ports);
}
// Parses the given node with port information.
private PortDescription parsePort(DeviceId deviceId, JsonNode node) {
Port.Type type = Port.Type.valueOf(node.path("type").asText("COPPER"));
// TL1-based ports have a name
PortNumber port = null;
if (node.has("name")) {
for (Port p : deviceService.getPorts(deviceId)) {
if (p.number().name().equals(node.get("name").asText())) {
port = p.number();
break;
}
}
} else {
port = portNumber(node.path("port").asLong(0));
}
if (port == null) {
log.error("Cannot find port given in node {}", node);
return null;
}
String portName = Strings.emptyToNull(port.name());
SparseAnnotations annotations = null;
if (portName != null) {
annotations = DefaultAnnotations.builder().set(AnnotationKeys.PORT_NAME, portName).build();
}
switch (type) {
case COPPER:
return new DefaultPortDescription(
port,
node.path("enabled").asBoolean(true),
type,
node.path("speed").asLong(1_000),
annotations);
case FIBER:
// Currently, assume OMS when FIBER. Provide sane defaults.
annotations = annotations(node.get("annotations"));
return new OmsPortDescription(
port,
node.path("enabled").asBoolean(true),
CENTER,
CENTER.add(TOTAL),
Frequency.ofGHz(100),
annotations);
case ODUCLT:
annotations = annotations(node.get("annotations"));
OduCltPort oduCltPort = (OduCltPort) deviceService.getPort(deviceId, port);
return new OduCltPortDescription(
port, node.path("enabled").asBoolean(true), oduCltPort.signalType(), annotations);
case OCH:
annotations = annotations(node.get("annotations"));
OchPort ochPort = (OchPort) deviceService.getPort(deviceId, port);
return new OchPortDescription(
port,
node.path("enabled").asBoolean(true),
ochPort.signalType(),
ochPort.isTunable(),
ochPort.lambda(),
annotations);
case OMS:
annotations = annotations(node.get("annotations"));
OmsPort omsPort = (OmsPort) deviceService.getPort(deviceId, port);
return new OmsPortDescription(
port,
node.path("enabled").asBoolean(true),
omsPort.minFrequency(),
omsPort.maxFrequency(),
omsPort.grid(),
annotations);
default:
log.warn("{}: Unsupported Port Type");
}
return new DefaultPortDescription(
port,
node.path("enabled").asBoolean(true),
type,
node.path("speed").asLong(1_000),
annotations);
}
// Parses the given JSON and provides links as configured.
private void parseLinks() {
JsonNode nodes = cfg.get("links");
if (nodes != null) {
for (JsonNode node : nodes) {
parseLink(node, false);
if (!node.has("halfplex")) {
parseLink(node, true);
}
}
}
}
// Parses the given node with link data and supplies the link.
private void parseLink(JsonNode node, boolean reverse) {
ConnectPoint src = connectPoint(get(node, "src"));
ConnectPoint dst = connectPoint(get(node, "dst"));
Link.Type type = Link.Type.valueOf(get(node, "type", "DIRECT"));
SparseAnnotations annotations = annotations(node.get("annotations"));
// take annotations to update optical ports with correct attributes.
updatePorts(src, dst, annotations);
DefaultLinkDescription desc =
reverse
? new DefaultLinkDescription(dst, src, type, annotations)
: new DefaultLinkDescription(src, dst, type, annotations);
linkProviderService.linkDetected(desc);
connectPoints.add(src);
connectPoints.add(dst);
}
private void updatePorts(ConnectPoint src, ConnectPoint dst, SparseAnnotations annotations) {
final String linkType = annotations.value("optical.type");
if ("cross-connect".equals(linkType)) {
String value = annotations.value("bandwidth").trim();
try {
double bw = Double.parseDouble(value);
updateOchPort(bw, src, dst);
} catch (NumberFormatException e) {
log.warn("Invalid bandwidth ({}), can't configure port(s)", value);
return;
}
} else if ("WDM".equals(linkType)) {
String value = annotations.value("optical.waves").trim();
try {
int numChls = Integer.parseInt(value);
updateOMSPorts(numChls, src, dst);
} catch (NumberFormatException e) {
log.warn("Invalid channel ({}), can't configure port(s)", value);
return;
}
}
}
// uses 'bandwidth' annotation to determine the channel spacing.
private void updateOchPort(double bw, ConnectPoint srcCp, ConnectPoint dstCp) {
Device src = deviceService.getDevice(srcCp.deviceId());
Device dst = deviceService.getDevice(dstCp.deviceId());
// bandwidth in MHz (assuming Hz - linc is not clear if that or Mb).
Frequency spacing = Frequency.ofMHz(bw);
// channel bandwidth is smaller than smallest standard channel spacing.
ChannelSpacing chsp = null;
if (spacing.compareTo(ChannelSpacing.CHL_6P25GHZ.frequency()) <= 0) {
chsp = ChannelSpacing.CHL_6P25GHZ;
}
for (int i = 1; i < ChannelSpacing.values().length; i++) {
Frequency val = ChannelSpacing.values()[i].frequency();
// pick the next highest or equal channel interval.
if (val.isLessThan(spacing)) {
chsp = ChannelSpacing.values()[i - 1];
break;
}
}
if (chsp == null) {
log.warn("Invalid channel spacing ({}), can't configure port(s)", spacing);
return;
}
OchSignal signal = new OchSignal(GridType.DWDM, chsp, 1, 1);
if (src.type() == Device.Type.ROADM) {
PortDescription portDesc =
new OchPortDescription(srcCp.port(), true, OduSignalType.ODU4, true, signal);
descriptions.put(srcCp, portDesc);
deviceProviderService.portStatusChanged(srcCp.deviceId(), portDesc);
}
if (dst.type() == Device.Type.ROADM) {
PortDescription portDesc =
new OchPortDescription(dstCp.port(), true, OduSignalType.ODU4, true, signal);
descriptions.put(dstCp, portDesc);
deviceProviderService.portStatusChanged(dstCp.deviceId(), portDesc);
}
}
private void updateOMSPorts(int numChls, ConnectPoint srcCp, ConnectPoint dstCp) {
// round down to largest slot that allows numChl channels to fit into C band range
ChannelSpacing chl = null;
Frequency perChl = TOTAL.floorDivision(numChls);
for (int i = 0; i < ChannelSpacing.values().length; i++) {
Frequency val = ChannelSpacing.values()[i].frequency();
if (val.isLessThan(perChl)) {
chl = ChannelSpacing.values()[i];
break;
}
}
if (chl == null) {
chl = ChannelSpacing.CHL_6P25GHZ;
}
// if true, there was less channels than can be tightly packed.
Frequency grid = chl.frequency();
// say Linc's 1st slot starts at CENTER and goes up from there.
Frequency min = CENTER.add(grid);
Frequency max = CENTER.add(grid.multiply(numChls));
PortDescription srcPortDesc = new OmsPortDescription(srcCp.port(), true, min, max, grid);
PortDescription dstPortDesc = new OmsPortDescription(dstCp.port(), true, min, max, grid);
descriptions.put(srcCp, srcPortDesc);
descriptions.put(dstCp, dstPortDesc);
deviceProviderService.portStatusChanged(srcCp.deviceId(), srcPortDesc);
deviceProviderService.portStatusChanged(dstCp.deviceId(), dstPortDesc);
}
// Parses the given JSON and provides hosts as configured.
private void parseHosts() {
try {
JsonNode nodes = cfg.get("hosts");
if (nodes != null) {
for (JsonNode node : nodes) {
parseHost(node);
// FIXME: hack to make sure host attributes take
// This will be fixed when GossipHostStore uses ECM
parseHost(node);
}
}
} finally {
hostProviderRegistry.unregister(this);
}
}
// Parses the given node with host data and supplies the host.
private void parseHost(JsonNode node) {
MacAddress mac = MacAddress.valueOf(get(node, "mac"));
VlanId vlanId = VlanId.vlanId((short) node.get("vlan").asInt(VlanId.UNTAGGED));
HostId hostId = HostId.hostId(mac, vlanId);
SparseAnnotations annotations = annotations(node.get("annotations"));
HostLocation location = new HostLocation(connectPoint(get(node, "location")), 0);
String[] ipStrings = get(node, "ip", "").split(",");
Set<IpAddress> ips = new HashSet<>();
for (String ip : ipStrings) {
ips.add(IpAddress.valueOf(ip.trim()));
}
DefaultHostDescription desc =
new DefaultHostDescription(mac, vlanId, location, ips, annotations);
hostProviderService.hostDetected(hostId, desc);
connectPoints.add(location);
}
// Adds any missing device ports for configured links and host locations.
private void addMissingPorts() {
deviceService.getDevices().forEach(this::addMissingPorts);
}
// Adds any missing device ports.
private void addMissingPorts(Device device) {
try {
List<Port> ports = deviceService.getPorts(device.id());
Set<ConnectPoint> existing =
ports
.stream()
.map(p -> new ConnectPoint(device.id(), p.number()))
.collect(Collectors.toSet());
Set<ConnectPoint> missing =
connectPoints
.stream()
.filter(cp -> cp.deviceId().equals(device.id()))
.filter(cp -> !existing.contains(cp))
.collect(Collectors.toSet());
if (!missing.isEmpty()) {
List<PortDescription> newPorts =
Stream.concat(
ports.stream().map(this::description), missing.stream().map(this::description))
.collect(Collectors.toList());
deviceProviderService.updatePorts(device.id(), newPorts);
}
} catch (IllegalArgumentException e) {
log.warn("Error pushing ports: {}", e.getMessage());
}
}
// Creates a port description from the specified port.
private PortDescription description(Port p) {
switch (p.type()) {
case OMS:
OmsPort op = (OmsPort) p;
return new OmsPortDescription(
op.number(), op.isEnabled(), op.minFrequency(), op.maxFrequency(), op.grid());
case OCH:
OchPort ochp = (OchPort) p;
return new OchPortDescription(
ochp.number(), ochp.isEnabled(), ochp.signalType(), ochp.isTunable(), ochp.lambda());
case ODUCLT:
OduCltPort odup = (OduCltPort) p;
return new OduCltPortDescription(odup.number(), odup.isEnabled(), odup.signalType());
default:
return new DefaultPortDescription(p.number(), p.isEnabled(), p.type(), p.portSpeed());
}
}
// Creates a port description from the specified connection point if none created earlier.
private PortDescription description(ConnectPoint cp) {
PortDescription saved = descriptions.get(cp);
if (saved != null) {
return saved;
}
Port p = deviceService.getPort(cp.deviceId(), cp.port());
if (p == null) {
return new DefaultPortDescription(cp.port(), true);
}
return description(p);
}
// Produces set of annotations from the given JSON node.
private SparseAnnotations annotations(JsonNode node) {
if (node == null) {
return DefaultAnnotations.EMPTY;
}
DefaultAnnotations.Builder builder = DefaultAnnotations.builder();
Iterator<String> it = node.fieldNames();
while (it.hasNext()) {
String k = it.next();
builder.set(k, node.get(k).asText());
}
return builder.build();
}
// Produces a connection point from the specified uri/port text.
private ConnectPoint connectPoint(String text) {
int i = text.lastIndexOf("/");
String portName = text.substring(i + 1);
DeviceId deviceId = deviceId(text.substring(0, i));
for (Port port : deviceService.getPorts(deviceId)) {
PortNumber pn = port.number();
if (pn.name().equals(portName)) {
return new ConnectPoint(deviceId, pn);
}
}
long portNum;
try {
portNum = Long.parseLong(portName);
} catch (NumberFormatException e) {
portNum = 0;
}
return new ConnectPoint(deviceId, portNumber(portNum, portName));
}
// Returns string form of the named property in the given JSON object.
private String get(JsonNode node, String name) {
return node.path(name).asText();
}
// Returns string form of the named property in the given JSON object.
private String get(JsonNode node, String name, String defaultValue) {
return node.path(name).asText(defaultValue);
}
@Override
public void roleChanged(DeviceId device, MastershipRole newRole) {
deviceProviderService.receivedRoleReply(device, newRole, newRole);
}
@Override
public void triggerProbe(DeviceId deviceId) {}
@Override
public void triggerProbe(Host host) {}
@Override
public ProviderId id() {
return PID;
}
@Override
public boolean isReachable(DeviceId device) {
return true;
}
/**
* Prepares to count device added/available/removed events.
*
* @param count number of events to count
*/
protected void prepareForDeviceEvents(int count) {
deviceLatch = new CountDownLatch(count);
deviceService.addListener(deviceEventCounter);
}
/** Waits for all expected device added/available/removed events. */
protected void waitForDeviceEvents() {
try {
deviceLatch.await(2, TimeUnit.SECONDS);
} catch (InterruptedException e) {
log.warn("Device events did not arrive in time");
}
deviceService.removeListener(deviceEventCounter);
}
// Counts down number of device added/available/removed events.
private class DeviceEventCounter implements DeviceListener {
@Override
public void event(DeviceEvent event) {
DeviceEvent.Type type = event.type();
if (type == DEVICE_ADDED || type == DEVICE_AVAILABILITY_CHANGED) {
deviceLatch.countDown();
}
}
}
}
// Parses the given node with port information.
private PortDescription parsePort(DeviceId deviceId, JsonNode node) {
Port.Type type = Port.Type.valueOf(node.path("type").asText("COPPER"));
// TL1-based ports have a name
PortNumber port = null;
if (node.has("name")) {
for (Port p : deviceService.getPorts(deviceId)) {
if (p.number().name().equals(node.get("name").asText())) {
port = p.number();
break;
}
}
} else {
port = portNumber(node.path("port").asLong(0));
}
if (port == null) {
log.error("Cannot find port given in node {}", node);
return null;
}
String portName = Strings.emptyToNull(port.name());
SparseAnnotations annotations = null;
if (portName != null) {
annotations = DefaultAnnotations.builder().set(AnnotationKeys.PORT_NAME, portName).build();
}
switch (type) {
case COPPER:
return new DefaultPortDescription(
port,
node.path("enabled").asBoolean(true),
type,
node.path("speed").asLong(1_000),
annotations);
case FIBER:
// Currently, assume OMS when FIBER. Provide sane defaults.
annotations = annotations(node.get("annotations"));
return new OmsPortDescription(
port,
node.path("enabled").asBoolean(true),
CENTER,
CENTER.add(TOTAL),
Frequency.ofGHz(100),
annotations);
case ODUCLT:
annotations = annotations(node.get("annotations"));
OduCltPort oduCltPort = (OduCltPort) deviceService.getPort(deviceId, port);
return new OduCltPortDescription(
port, node.path("enabled").asBoolean(true), oduCltPort.signalType(), annotations);
case OCH:
annotations = annotations(node.get("annotations"));
OchPort ochPort = (OchPort) deviceService.getPort(deviceId, port);
return new OchPortDescription(
port,
node.path("enabled").asBoolean(true),
ochPort.signalType(),
ochPort.isTunable(),
ochPort.lambda(),
annotations);
case OMS:
annotations = annotations(node.get("annotations"));
OmsPort omsPort = (OmsPort) deviceService.getPort(deviceId, port);
return new OmsPortDescription(
port,
node.path("enabled").asBoolean(true),
omsPort.minFrequency(),
omsPort.maxFrequency(),
omsPort.grid(),
annotations);
default:
log.warn("{}: Unsupported Port Type");
}
return new DefaultPortDescription(
port,
node.path("enabled").asBoolean(true),
type,
node.path("speed").asLong(1_000),
annotations);
}
