package org.skywalking.apm.collector.worker.segment;
import com.google.gson.JsonObject;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.skywalking.apm.collector.actor.ClusterWorkerContext;
import org.skywalking.apm.collector.actor.LocalWorkerContext;
import org.skywalking.apm.collector.actor.ProviderNotFoundException;
import org.skywalking.apm.collector.actor.Role;
import org.skywalking.apm.collector.actor.selector.RollingSelector;
import org.skywalking.apm.collector.actor.selector.WorkerSelector;
import org.skywalking.apm.collector.worker.httpserver.AbstractGet;
import org.skywalking.apm.collector.worker.httpserver.AbstractGetProvider;
import org.skywalking.apm.collector.worker.segment.persistence.SegmentTopSearchWithGlobalTraceId;
import org.skywalking.apm.collector.worker.tools.ParameterTools;
import java.util.Arrays;
import java.util.Map;
/**
* @author pengys5
*/
public class SegmentTopGetWithGlobalTraceId extends AbstractGet {
private Logger logger = LogManager.getFormatterLogger(SegmentTopGetWithGlobalTraceId.class);
SegmentTopGetWithGlobalTraceId(Role role, ClusterWorkerContext clusterContext, LocalWorkerContext selfContext) {
super(role, clusterContext, selfContext);
}
@Override
public void preStart() throws ProviderNotFoundException {
getClusterContext().findProvider(SegmentTopSearchWithGlobalTraceId.WorkerRole.INSTANCE).create(this);
}
@Override
protected void onSearch(Map<String, String[]> request, JsonObject response) throws Exception {
if (!request.containsKey("globalTraceId") || !request.containsKey("from") || !request.containsKey("limit")) {
throw new IllegalArgumentException("the request parameter must contains globalTraceId, from, limit");
}
logger.debug("globalTraceId: %s, from: %s, limit: %s", Arrays.toString(request.get("globalTraceId")),
Arrays.toString(request.get("from")), Arrays.toString(request.get("limit")));
int from;
try {
from = Integer.valueOf(ParameterTools.INSTANCE.toString(request, "from"));
} catch (NumberFormatException e) {
throw new IllegalArgumentException("the request parameter from must numeric with int type");
}
int limit;
try {
limit = Integer.valueOf(ParameterTools.INSTANCE.toString(request, "limit"));
} catch (NumberFormatException e) {
throw new IllegalArgumentException("the request parameter from must numeric with int type");
}
String globalTraceId = ParameterTools.INSTANCE.toString(request, "globalTraceId");
SegmentTopSearchWithGlobalTraceId.RequestEntity requestEntity = new SegmentTopSearchWithGlobalTraceId.RequestEntity(globalTraceId, from, limit);
getSelfContext().lookup(SegmentTopSearchWithGlobalTraceId.WorkerRole.INSTANCE).ask(requestEntity, response);
}
public static class Factory extends AbstractGetProvider<SegmentTopGetWithGlobalTraceId> {
@Override
public Role role() {
return WorkerRole.INSTANCE;
}
@Override
public SegmentTopGetWithGlobalTraceId workerInstance(ClusterWorkerContext clusterContext) {
return new SegmentTopGetWithGlobalTraceId(role(), clusterContext, new LocalWorkerContext());
}
@Override
public String servletPath() {
return "/segments/top/globalTraceId";
}
}
public enum WorkerRole implements Role {
INSTANCE;
@Override
public String roleName() {
return SegmentTopGetWithGlobalTraceId.class.getSimpleName();
}
@Override
public WorkerSelector workerSelector() {
return new RollingSelector();
}
}
}