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RestDeviceProvider has configurable port stats frequency

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Change-Id: I79fdde88f0cfd62a2d8ed58a1b621252161c975e
Signed-off-by: Georgios Katsikas <katsikas.gp@gmail.com>
This commit is contained in:
Georgios Katsikas 2018-07-06 09:06:42 +02:00 committed by Andrea Campanella
parent 158b8c4f6b
commit 0f12bc6934
1 changed files with 45 additions and 10 deletions
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55
providers/rest/device/src/main/java/org/onosproject/provider/rest/device/impl/RestDeviceProvider.java
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@ -21,12 +21,16 @@ import com.google.common.collect.ImmutableList;
import org.apache.felix.scr.annotations.Activate; import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component; import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Deactivate; import org.apache.felix.scr.annotations.Deactivate;
import org.apache.felix.scr.annotations.Modified;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Reference; import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.ReferenceCardinality; import org.apache.felix.scr.annotations.ReferenceCardinality;
import org.onlab.packet.ChassisId; import org.onlab.packet.ChassisId;
import org.onlab.util.SharedExecutors; import org.onlab.util.SharedExecutors;
import org.onlab.util.SharedScheduledExecutorService; import org.onlab.util.SharedScheduledExecutorService;
import org.onlab.util.SharedScheduledExecutors; import org.onlab.util.SharedScheduledExecutors;
import org.onlab.util.Tools;
import org.onosproject.cfg.ComponentConfigService;
import org.onosproject.core.ApplicationId; import org.onosproject.core.ApplicationId;
import org.onosproject.core.CoreService; import org.onosproject.core.CoreService;
import org.onosproject.net.AnnotationKeys; import org.onosproject.net.AnnotationKeys;
@ -63,11 +67,13 @@ import org.onosproject.net.provider.ProviderId;
import org.onosproject.protocol.rest.DefaultRestSBDevice; import org.onosproject.protocol.rest.DefaultRestSBDevice;
import org.onosproject.protocol.rest.RestSBController; import org.onosproject.protocol.rest.RestSBController;
import org.onosproject.protocol.rest.RestSBDevice; import org.onosproject.protocol.rest.RestSBDevice;
import org.osgi.service.component.ComponentContext;
import org.slf4j.Logger; import org.slf4j.Logger;
import javax.ws.rs.ProcessingException; import javax.ws.rs.ProcessingException;
import javax.ws.rs.core.MediaType; import javax.ws.rs.core.MediaType;
import java.util.Collection; import java.util.Collection;
import java.util.Dictionary;
import java.util.HashSet; import java.util.HashSet;
import java.util.List; import java.util.List;
import java.util.Set; import java.util.Set;
@ -101,8 +107,8 @@ public class RestDeviceProvider extends AbstractProvider
private static final String IPADDRESS = "ipaddress"; private static final String IPADDRESS = "ipaddress";
private static final String ISNOTNULL = "Rest device is not null"; private static final String ISNOTNULL = "Rest device is not null";
private static final String UNKNOWN = "unknown"; private static final String UNKNOWN = "unknown";
private static final String POLL_FREQUENCY = "pollFrequency";
private static final int REST_TIMEOUT_SEC = 5; private static final int REST_TIMEOUT_SEC = 5;
private static final int DEFAULT_POLL_FREQUENCY_SECONDS = 30;
private static final int EXECUTOR_THREAD_POOL_SIZE = 8; private static final int EXECUTOR_THREAD_POOL_SIZE = 8;
private final Logger log = getLogger(getClass()); private final Logger log = getLogger(getClass());
@ -113,7 +119,10 @@ public class RestDeviceProvider extends AbstractProvider
protected RestSBController controller; protected RestSBController controller;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected NetworkConfigRegistry cfgService; protected NetworkConfigRegistry netCfgService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected ComponentConfigService compCfgService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected CoreService coreService; protected CoreService coreService;
@ -124,6 +133,12 @@ public class RestDeviceProvider extends AbstractProvider
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected DriverService driverService; protected DriverService driverService;
private static final int DEFAULT_POLL_FREQUENCY_SECONDS = 30;
@Property(name = POLL_FREQUENCY, intValue = DEFAULT_POLL_FREQUENCY_SECONDS,
label = "Configure poll frequency for port status and statistics; " +
"default is 30 seconds")
private int pollFrequency = DEFAULT_POLL_FREQUENCY_SECONDS;
private DeviceProviderService providerService; private DeviceProviderService providerService;
private ApplicationId appId; private ApplicationId appId;
@ -149,23 +164,44 @@ public class RestDeviceProvider extends AbstractProvider
@Activate @Activate
public void activate() { public void activate() {
appId = coreService.registerApplication(APP_NAME); appId = coreService.registerApplication(APP_NAME);
compCfgService.registerProperties(getClass());
providerService = providerRegistry.register(this); providerService = providerRegistry.register(this);
factories.forEach(cfgService::registerConfigFactory); factories.forEach(netCfgService::registerConfigFactory);
executor = Executors.newFixedThreadPool( executor = Executors.newFixedThreadPool(
EXECUTOR_THREAD_POOL_SIZE, groupedThreads("onos/restsbprovider", "device-installer-%d", log) EXECUTOR_THREAD_POOL_SIZE, groupedThreads("onos/restsbprovider", "device-installer-%d", log)
); );
cfgService.addListener(configListener); netCfgService.addListener(configListener);
executor.execute(RestDeviceProvider.this::createAndConnectDevices); executor.execute(RestDeviceProvider.this::createAndConnectDevices);
scheduledTask = schedulePolling(); scheduledTask = schedulePolling();
log.info("Started"); log.info("Started");
} }
@Modified
public void modified(ComponentContext context) {
int previousPollFrequency = pollFrequency;
if (context != null) {
Dictionary<?, ?> properties = context.getProperties();
pollFrequency = Tools.getIntegerProperty(properties, POLL_FREQUENCY,
DEFAULT_POLL_FREQUENCY_SECONDS);
log.info("Configured. Poll frequency is configured to {} seconds", pollFrequency);
}
// Re-schedule only if frequency has changed
if (!scheduledTask.isCancelled() && (previousPollFrequency != pollFrequency)) {
log.info("Re-scheduling port statistics task with frequency {} seconds", pollFrequency);
scheduledTask.cancel(true);
scheduledTask = schedulePolling();
}
}
@Deactivate @Deactivate
public void deactivate() { public void deactivate() {
cfgService.removeListener(configListener); compCfgService.unregisterProperties(getClass(), false);
netCfgService.removeListener(configListener);
providerRegistry.unregister(this); providerRegistry.unregister(this);
providerService = null; providerService = null;
factories.forEach(cfgService::unregisterConfigFactory); factories.forEach(netCfgService::unregisterConfigFactory);
scheduledTask.cancel(true); scheduledTask.cancel(true);
executor.shutdown(); executor.shutdown();
log.info("Stopped"); log.info("Stopped");
@ -340,12 +376,12 @@ public class RestDeviceProvider extends AbstractProvider
//Method to connect devices provided via net-cfg under devices/ tree //Method to connect devices provided via net-cfg under devices/ tree
private void createAndConnectDevices() { private void createAndConnectDevices() {
Set<DeviceId> deviceSubjects = Set<DeviceId> deviceSubjects =
cfgService.getSubjects(DeviceId.class, RestDeviceConfig.class); netCfgService.getSubjects(DeviceId.class, RestDeviceConfig.class);
connectDevices(deviceSubjects.stream() connectDevices(deviceSubjects.stream()
.filter(deviceId -> deviceService.getDevice(deviceId) == null) .filter(deviceId -> deviceService.getDevice(deviceId) == null)
.map(deviceId -> { .map(deviceId -> {
RestDeviceConfig config = RestDeviceConfig config =
cfgService.getConfig(deviceId, RestDeviceConfig.class); netCfgService.getConfig(deviceId, RestDeviceConfig.class);
return toInactiveRestSBDevice(config); return toInactiveRestSBDevice(config);
}).collect(Collectors.toSet())); }).collect(Collectors.toSet()));
} }
@ -395,8 +431,7 @@ public class RestDeviceProvider extends AbstractProvider
private ScheduledFuture schedulePolling() { private ScheduledFuture schedulePolling() {
return portStatisticsExecutor.scheduleAtFixedRate(this::executePortStatisticsUpdate, return portStatisticsExecutor.scheduleAtFixedRate(this::executePortStatisticsUpdate,
DEFAULT_POLL_FREQUENCY_SECONDS / 2, pollFrequency / 2, pollFrequency,
DEFAULT_POLL_FREQUENCY_SECONDS,
TimeUnit.SECONDS); TimeUnit.SECONDS);
} }