hu.icellmobilsoft.coffee.grpc.opentracing.impl.server.OpenTraceServerCall Maven / Gradle / Ivy
/*-
* #%L
* Coffee
* %%
* Copyright (C) 2020 - 2023 i-Cell Mobilsoft Zrt.
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
package hu.icellmobilsoft.coffee.grpc.opentracing.impl.server;
import java.util.HashMap;
import java.util.Map;
import io.grpc.ForwardingServerCall.SimpleForwardingServerCall;
import io.grpc.Metadata;
import io.grpc.ServerCall;
import io.grpc.Status;
import io.grpc.Status.Code;
import io.opentracing.Scope;
import io.opentracing.Span;
import io.opentracing.tag.Tags;
/**
*
* Forwarding server call to handle tracing
*
* @author czenczl
* @author Imre Scheffer
* @since 2.1.0
*
* @param
* The type of message received.
* @param
* The type of message sent.
*/
public class OpenTraceServerCall extends SimpleForwardingServerCall {
private Span span;
private Scope scope;
/**
* Creates new opentrace server call to handle tracing
*
* @param delegate
* origin
* @param span
* opentracing span to finish
* @param scope
* opentracing scope to close
*/
public OpenTraceServerCall(ServerCall delegate, Span span, Scope scope) {
super(delegate);
this.span = span;
this.scope = scope;
}
@Override
public void close(Status status, Metadata trailers) {
super.close(status, trailers);
if (!status.isOk()) {
tagError(span, status.getCode());
}
span.finish();
scope.close();
}
private void tagError(Span span, Code code) {
Map errorLogs = new HashMap<>(2);
errorLogs.put("event", Tags.ERROR.getKey());
errorLogs.put("error.object", code);
span.log(errorLogs);
Tags.ERROR.set(span, true);
}
}