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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package org.apache.dubbo.rpc.protocol.tri;
import org.apache.dubbo.rpc.CancellationContext;
import org.apache.dubbo.rpc.model.MethodDescriptor;
import org.apache.dubbo.rpc.model.PackableMethod;
import org.apache.dubbo.rpc.protocol.tri.compressor.Compressor;
import org.apache.dubbo.rpc.protocol.tri.compressor.Identity;
import org.apache.dubbo.rpc.protocol.tri.stream.StreamUtils;
import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpHeaderValues;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http2.DefaultHttp2Headers;
import io.netty.util.AsciiString;
import java.util.Map;
public class RequestMetadata {
public AsciiString scheme;
public String application;
public String service;
public String version;
public String group;
public String address;
public String acceptEncoding;
public String timeout;
public Compressor compressor;
public CancellationContext cancellationContext;
public MethodDescriptor method;
public PackableMethod packableMethod;
public Map attachments;
public boolean convertNoLowerHeader;
public DefaultHttp2Headers toHeaders() {
DefaultHttp2Headers header = new DefaultHttp2Headers(false);
header.scheme(scheme)
.authority(address)
.method(HttpMethod.POST.asciiName())
.path("/" + service + "/" + method.getMethodName())
.set(TripleHeaderEnum.CONTENT_TYPE_KEY.getHeader(), TripleConstant.CONTENT_PROTO)
.set(HttpHeaderNames.TE, HttpHeaderValues.TRAILERS);
setIfNotNull(header, TripleHeaderEnum.TIMEOUT.getHeader(), timeout);
if (!"1.0.0".equals(version)) {
setIfNotNull(header, TripleHeaderEnum.SERVICE_VERSION.getHeader(), version);
}
setIfNotNull(header, TripleHeaderEnum.SERVICE_GROUP.getHeader(), group);
setIfNotNull(header, TripleHeaderEnum.CONSUMER_APP_NAME_KEY.getHeader(),
application);
setIfNotNull(header, TripleHeaderEnum.GRPC_ACCEPT_ENCODING.getHeader(),
acceptEncoding);
if (!Identity.MESSAGE_ENCODING.equals(compressor.getMessageEncoding())) {
setIfNotNull(header, TripleHeaderEnum.GRPC_ENCODING.getHeader(),
compressor.getMessageEncoding());
}
StreamUtils.convertAttachment(header, attachments, convertNoLowerHeader);
return header;
}
private void setIfNotNull(DefaultHttp2Headers headers, CharSequence key,
CharSequence value) {
if (value == null) {
return;
}
headers.set(key, value);
}
}