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/*
* SonarQube
* Copyright (C) 2009-2025 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.telemetry.metrics;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
import org.sonar.api.platform.Server;
import org.sonar.api.utils.System2;
import org.sonar.core.util.UuidFactory;
import org.sonar.db.DbClient;
import org.sonar.db.DbSession;
import org.sonar.db.telemetry.TelemetryMetricsSentDto;
import org.sonar.telemetry.core.Dimension;
import org.sonar.telemetry.core.TelemetryDataProvider;
import org.sonar.telemetry.core.schema.BaseMessage;
import org.sonar.telemetry.core.schema.Metric;
import org.sonar.telemetry.metrics.util.SentMetricsStorage;
public class TelemetryMetricsLoader {
private final System2 system2;
private final Server server;
private final DbClient dbClient;
private final UuidFactory uuidFactory;
private final List<TelemetryDataProvider<?>> providers;
public TelemetryMetricsLoader(System2 system2, Server server, DbClient dbClient, UuidFactory uuidFactory, List<TelemetryDataProvider<?>> providers) {
this.system2 = system2;
this.server = server;
this.dbClient = dbClient;
this.providers = providers;
this.uuidFactory = uuidFactory;
}
public Context loadData() {
Context context = new Context();
if (this.providers.isEmpty()) {
return context;
}
try (DbSession dbSession = dbClient.openSession(false)) {
List<TelemetryMetricsSentDto> metricsSentDtos = dbClient.telemetryMetricsSentDao().selectAll(dbSession);
SentMetricsStorage storage = new SentMetricsStorage(metricsSentDtos);
Map<Dimension, Set<Metric>> telemetryDataMap = new LinkedHashMap<>();
for (TelemetryDataProvider<?> provider : this.providers) {
boolean shouldSendMetric = storage.shouldSendMetric(provider.getDimension(), provider.getMetricKey(), provider.getGranularity(), system2.now());
if (shouldSendMetric) {
Set<Metric> newMetrics = TelemetryMetricsMapper.mapFromDataProvider(provider);
telemetryDataMap.computeIfAbsent(provider.getDimension(), k -> new LinkedHashSet<>()).addAll(newMetrics);
Optional<TelemetryMetricsSentDto> dto = storage.getMetricsSentDto(provider.getDimension(), provider.getMetricKey());
if (dto.isPresent()) {
context.addDto(dto.get());
} else {
TelemetryMetricsSentDto newDto = new TelemetryMetricsSentDto(
provider.getMetricKey(), provider.getDimension().getValue()
);
context.addDto(newDto);
}
}
}
Set<BaseMessage> baseMessages = retrieveBaseMessages(telemetryDataMap);
context.setBaseMessages(baseMessages);
return context;
}
}
public void runProviderAfterTasks() {
this.providers.forEach(TelemetryDataProvider::after);
}
private Set<BaseMessage> retrieveBaseMessages(Map<Dimension, Set<Metric>> metrics) {
return metrics.entrySet().stream()
// we do not want to send payloads with zero metrics
.filter(v -> !v.getValue().isEmpty())
.map(entry -> new BaseMessage.Builder()
.setMessageUuid(uuidFactory.create())
.setInstallationId(server.getId())
.setDimension(entry.getKey())
.setMetrics(entry.getValue())
.build())
.collect(Collectors.toSet());
}
public static class Context {
Set<BaseMessage> baseMessages;
List<TelemetryMetricsSentDto> metricsSentDtos;
public Context() {
baseMessages = new LinkedHashSet<>();
metricsSentDtos = new ArrayList<>();
}
protected void addDto(TelemetryMetricsSentDto dto) {
this.metricsSentDtos.add(dto);
}
protected void setBaseMessages(Set<BaseMessage> baseMessages){
this.baseMessages = baseMessages;
}
public Set<BaseMessage> getMessages() {
return baseMessages;
}
public List<TelemetryMetricsSentDto> getMetricsToUpdate() {
return metricsSentDtos;
}
}
}
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