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WavefrontMultiClient.java
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WavefrontMultiClient.java
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package com.wavefront.sdk.common.clients;
import com.wavefront.sdk.common.Pair;
import com.wavefront.sdk.common.WavefrontSender;
import com.wavefront.sdk.common.annotation.Nullable;
import com.wavefront.sdk.common.clients.exceptions.MultiClientIOException;
import com.wavefront.sdk.entities.histograms.HistogramGranularity;
import com.wavefront.sdk.entities.tracing.SpanLog;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* WavefrontMultiClient supports multicasting metrics/distributions/spans/events onto multiple
* endpoints for either Proxy or Direct Ingestion.
*
* User should probably attempt to reconnect when exceptions are thrown from any methods.
*
* @author Mike McMahon (mike.mcmahon@wavefront.com)
* @version $Id: $Id
*/
public class WavefrontMultiClient implements WavefrontSender, Runnable {
private static final Logger logger = Logger.getLogger(
WavefrontMultiClient.class.getCanonicalName());
private final ConcurrentHashMap<String, WavefrontSender> wavefrontSenders = new ConcurrentHashMap<>();
public static class Builder {
private final ConcurrentHashMap<String, WavefrontSender> wavefrontSenders = new ConcurrentHashMap<>();
public Builder withWavefrontSender(WavefrontSender sender) {
if (wavefrontSenders.containsKey(sender.getClientId()))
throw new IllegalArgumentException("Duplicate Client specified");
wavefrontSenders.put(sender.getClientId(), sender);
return this;
}
public WavefrontMultiClient build() {
return new WavefrontMultiClient(this);
}
}
private WavefrontMultiClient(Builder builder) {
this.wavefrontSenders.putAll(builder.wavefrontSenders);
}
/**
* Provide direct access to a specific client by id.
*
* @param clientId the unique client ID generated when a Proxy or DirectIngestion Client is instantiated.
* @return The client found or null if no client is found matching the supplied clientId.
*/
public WavefrontSender getClient(String clientId) {
return wavefrontSenders.getOrDefault(clientId, null);
}
/** {@inheritDoc} */
@Override
public void flush() throws IOException {
MultiClientIOException exceptions = new MultiClientIOException();
for (WavefrontSender client : wavefrontSenders.values()) {
try {
client.flush();
} catch (IOException ex) {
logger.log(Level.SEVERE, "Client " + getClientId() + " failed to flush.", ex);
exceptions.add(ex);
}
}
exceptions.checkAndThrow();
}
/** {@inheritDoc} */
@Override
public int getFailureCount() {
int failureCount = 0;
for (WavefrontSender client : wavefrontSenders.values()) {
failureCount += client.getFailureCount();
}
return failureCount;
}
/**
* Obtain the failure counts per endpoint.
*
* @return a map of clientId's to failures per endpoint.
*/
public Map<String, Integer> getFailureCountPerSender() {
final ConcurrentHashMap<String, Integer> failuresPerSender = new ConcurrentHashMap<>();
for (Map.Entry<String, WavefrontSender> e : wavefrontSenders.entrySet()) {
failuresPerSender.put(e.getKey(), e.getValue().getFailureCount());
}
return failuresPerSender;
}
/** {@inheritDoc} */
@Override
public void sendMetric(String name, double value, @Nullable Long timestamp,
@Nullable String source, @Nullable Map<String, String> tags)
throws IOException {
MultiClientIOException exceptions = new MultiClientIOException();
for (WavefrontSender client : wavefrontSenders.values()) {
try {
client.sendMetric(name, value, timestamp, source, tags);
} catch (IOException ex) {
logger.log(Level.SEVERE, "Client " + client.getClientId() + " failed to send metric.", ex);
exceptions.add(ex);
}
}
exceptions.checkAndThrow();
}
/** {@inheritDoc} */
@Override
public void sendLog(String name, double value, Long timestamp, String source, Map<String, String> tags)
throws IOException {
MultiClientIOException exceptions = new MultiClientIOException();
for (WavefrontSender client : wavefrontSenders.values()) {
try {
client.sendLog(name, value, timestamp, source, tags);
} catch (IOException ex) {
logger.log(Level.SEVERE, "Client " + client.getClientId() + " failed to send log.", ex);
exceptions.add(ex);
}
}
exceptions.checkAndThrow();
}
/** {@inheritDoc} */
@Override
public void sendFormattedMetric(String point) throws IOException {
MultiClientIOException exceptions = new MultiClientIOException();
for (WavefrontSender client : wavefrontSenders.values()) {
try {
client.sendFormattedMetric(point);
} catch (IOException ex) {
logger.log(Level.SEVERE, "Client " + client.getClientId() + " failed to send formatted metric.", ex);
exceptions.add(ex);
}
}
exceptions.checkAndThrow();
}
/** {@inheritDoc} */
@Override
public void sendDistribution(String name, List<Pair<Double, Integer>> centroids,
Set<HistogramGranularity> histogramGranularities,
@Nullable Long timestamp, @Nullable String source,
@Nullable Map<String, String> tags)
throws IOException {
MultiClientIOException exceptions = new MultiClientIOException();
for (WavefrontSender client : wavefrontSenders.values()) {
try {
client.sendDistribution(name, centroids, histogramGranularities, timestamp, source, tags);
} catch (IOException ex) {
logger.log(Level.SEVERE, "Client " + client.getClientId() + " failed to send distribution.", ex);
exceptions.add(ex);
}
}
exceptions.checkAndThrow();
}
/** {@inheritDoc} */
@Override
public void sendSpan(String name, long startMillis, long durationMillis,
@Nullable String source, UUID traceId, UUID spanId,
@Nullable List<UUID> parents, @Nullable List<UUID> followsFrom,
@Nullable List<Pair<String, String>> tags, @Nullable List<SpanLog> spanLogs)
throws IOException {
MultiClientIOException exceptions = new MultiClientIOException();
for (WavefrontSender client : wavefrontSenders.values()) {
try {
client.sendSpan(name, startMillis, durationMillis, source, traceId, spanId, parents, followsFrom, tags, spanLogs);
} catch (IOException ex) {
logger.log(Level.SEVERE, "Client " + client.getClientId() + " failed to send span.", ex);
exceptions.add(ex);
}
}
exceptions.checkAndThrow();
}
/** {@inheritDoc} */
public void sendEvent(String name, long startMillis, long endMillis, @Nullable String source,
@Nullable Map<String, String> tags,
@Nullable Map<String, String> annotations)
throws IOException {
MultiClientIOException exceptions = new MultiClientIOException();
for (WavefrontSender client : wavefrontSenders.values()) {
try {
client.sendEvent(name, startMillis, endMillis, source, tags, annotations);
} catch (IOException ex) {
logger.log(Level.SEVERE, "Client " + client.getClientId() + " failed to send event.", ex);
exceptions.add(ex);
}
}
exceptions.checkAndThrow();
}
/** {@inheritDoc} */
@Override
public void close() throws IOException {
MultiClientIOException exceptions = new MultiClientIOException();
for (WavefrontSender client : wavefrontSenders.values()) {
try {
client.close();
} catch (IOException ex) {
logger.log(Level.SEVERE, "Client " + client.getClientId() + " failed to close.", ex);
exceptions.add(ex);
}
}
exceptions.checkAndThrow();
}
/** {@inheritDoc} */
@Override
public void run() {
for (WavefrontSender client : wavefrontSenders.values()) {
((Runnable)client).run();
}
}
/** {@inheritDoc} */
@Override
public String getClientId() {
return "MultiClient";
}
}