org.apache.dubbo.rpc.protocol.dubbo.DecodeableRpcInvocation Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of dubbo Show documentation
Show all versions of dubbo Show documentation
The all in one project of dubbo
/*
* 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.dubbo;
import org.apache.dubbo.common.utils.CacheableSupplier;
import org.apache.dubbo.common.logger.ErrorTypeAwareLogger;
import org.apache.dubbo.common.logger.LoggerFactory;
import org.apache.dubbo.common.serialize.Cleanable;
import org.apache.dubbo.common.serialize.ObjectInput;
import org.apache.dubbo.common.utils.Assert;
import org.apache.dubbo.common.utils.CollectionUtils;
import org.apache.dubbo.common.utils.ReflectUtils;
import org.apache.dubbo.common.utils.StringUtils;
import org.apache.dubbo.remoting.Channel;
import org.apache.dubbo.remoting.Codec;
import org.apache.dubbo.remoting.Decodeable;
import org.apache.dubbo.remoting.exchange.Request;
import org.apache.dubbo.remoting.transport.CodecSupport;
import org.apache.dubbo.rpc.RpcInvocation;
import org.apache.dubbo.rpc.model.ApplicationModel;
import org.apache.dubbo.rpc.model.FrameworkModel;
import org.apache.dubbo.rpc.model.FrameworkServiceRepository;
import org.apache.dubbo.rpc.model.MethodDescriptor;
import org.apache.dubbo.rpc.model.ModuleModel;
import org.apache.dubbo.rpc.model.ProviderModel;
import org.apache.dubbo.rpc.model.ServiceDescriptor;
import org.apache.dubbo.rpc.support.RpcUtils;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;
import java.util.Map;
import java.util.function.Supplier;
import static org.apache.dubbo.common.BaseServiceMetadata.keyWithoutGroup;
import static org.apache.dubbo.common.URL.buildKey;
import static org.apache.dubbo.common.constants.CommonConstants.DUBBO_VERSION_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.GROUP_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.PATH_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.VERSION_KEY;
import static org.apache.dubbo.common.constants.LoggerCodeConstants.PROTOCOL_FAILED_DECODE;
import static org.apache.dubbo.rpc.Constants.SERIALIZATION_ID_KEY;
import static org.apache.dubbo.rpc.Constants.SERIALIZATION_SECURITY_CHECK_KEY;
public class DecodeableRpcInvocation extends RpcInvocation implements Codec, Decodeable {
private static final ErrorTypeAwareLogger log = LoggerFactory.getErrorTypeAwareLogger(DecodeableRpcInvocation.class);
private Channel channel;
private byte serializationType;
private InputStream inputStream;
private Request request;
private volatile boolean hasDecoded;
protected final FrameworkModel frameworkModel;
private Supplier callbackServiceCodecFactory;
public DecodeableRpcInvocation(FrameworkModel frameworkModel, Channel channel, Request request, InputStream is, byte id) {
this.frameworkModel = frameworkModel;
Assert.notNull(channel, "channel == null");
Assert.notNull(request, "request == null");
Assert.notNull(is, "inputStream == null");
this.channel = channel;
this.request = request;
this.inputStream = is;
this.serializationType = id;
this.callbackServiceCodecFactory = CacheableSupplier.newSupplier(()->
new CallbackServiceCodec(frameworkModel));
}
@Override
public void decode() throws Exception {
if (!hasDecoded && channel != null && inputStream != null) {
try {
decode(channel, inputStream);
} catch (Throwable e) {
if (log.isWarnEnabled()) {
log.warn(PROTOCOL_FAILED_DECODE, "", "", "Decode rpc invocation failed: " + e.getMessage(), e);
}
request.setBroken(true);
request.setData(e);
} finally {
hasDecoded = true;
}
}
}
@Override
public void encode(Channel channel, OutputStream output, Object message) throws IOException {
throw new UnsupportedOperationException();
}
private void checkSerializationTypeFromRemote() {
}
@Override
public Object decode(Channel channel, InputStream input) throws IOException {
ObjectInput in = CodecSupport.getSerialization(serializationType)
.deserialize(channel.getUrl(), input);
this.put(SERIALIZATION_ID_KEY, serializationType);
String dubboVersion = in.readUTF();
request.setVersion(dubboVersion);
setAttachment(DUBBO_VERSION_KEY, dubboVersion);
String path = in.readUTF();
setAttachment(PATH_KEY, path);
String version = in.readUTF();
setAttachment(VERSION_KEY, version);
setMethodName(in.readUTF());
String desc = in.readUTF();
setParameterTypesDesc(desc);
ClassLoader originClassLoader = Thread.currentThread().getContextClassLoader();
try {
if (Boolean.parseBoolean(System.getProperty(SERIALIZATION_SECURITY_CHECK_KEY, "true"))) {
CodecSupport.checkSerialization(frameworkModel.getServiceRepository(), path, version, serializationType);
}
Object[] args = DubboCodec.EMPTY_OBJECT_ARRAY;
Class[] pts = DubboCodec.EMPTY_CLASS_ARRAY;
if (desc.length() > 0) {
// if (RpcUtils.isGenericCall(path, getMethodName()) || RpcUtils.isEcho(path, getMethodName())) {
// pts = ReflectUtils.desc2classArray(desc);
// } else {
FrameworkServiceRepository repository = frameworkModel.getServiceRepository();
List providerModels = repository.lookupExportedServicesWithoutGroup(keyWithoutGroup(path, version));
ServiceDescriptor serviceDescriptor = null;
if (CollectionUtils.isNotEmpty(providerModels)) {
for (ProviderModel providerModel : providerModels) {
serviceDescriptor = providerModel.getServiceModel();
if (serviceDescriptor != null) {
break;
}
}
}
if (serviceDescriptor == null) {
// Unable to find ProviderModel from Exported Services
for (ApplicationModel applicationModel : frameworkModel.getApplicationModels()) {
for (ModuleModel moduleModel : applicationModel.getModuleModels()) {
serviceDescriptor = moduleModel.getServiceRepository().lookupService(path);
if (serviceDescriptor != null) {
break;
}
}
}
}
if (serviceDescriptor != null) {
MethodDescriptor methodDescriptor = serviceDescriptor.getMethod(getMethodName(), desc);
if (methodDescriptor != null) {
pts = methodDescriptor.getParameterClasses();
this.setReturnTypes(methodDescriptor.getReturnTypes());
// switch TCCL
if (CollectionUtils.isNotEmpty(providerModels)) {
if (providerModels.size() == 1) {
Thread.currentThread().setContextClassLoader(providerModels.get(0).getClassLoader());
} else {
// try all providerModels' classLoader can load pts, use the first one
for (ProviderModel providerModel : providerModels) {
ClassLoader classLoader = providerModel.getClassLoader();
boolean match = true;
for (Class pt : pts) {
try {
if (!pt.equals(classLoader.loadClass(pt.getName()))) {
match = false;
}
} catch (ClassNotFoundException e) {
match = false;
}
}
if (match) {
Thread.currentThread().setContextClassLoader(classLoader);
break;
}
}
}
}
}
}
if (pts == DubboCodec.EMPTY_CLASS_ARRAY) {
if (!RpcUtils.isGenericCall(desc, getMethodName()) && !RpcUtils.isEcho(desc, getMethodName())) {
throw new IllegalArgumentException("Service not found:" + path + ", " + getMethodName());
}
pts = ReflectUtils.desc2classArray(desc);
}
// }
args = new Object[pts.length];
for (int i = 0; i < args.length; i++) {
args[i] = in.readObject(pts[i]);
}
}
setParameterTypes(pts);
Map map = in.readAttachments();
if (CollectionUtils.isNotEmptyMap(map)) {
addObjectAttachments(map);
}
//decode argument ,may be callback
CallbackServiceCodec callbackServiceCodec = callbackServiceCodecFactory.get();
for (int i = 0; i < args.length; i++) {
args[i] = callbackServiceCodec.decodeInvocationArgument(channel, this, pts, i, args[i]);
}
setArguments(args);
String targetServiceName = buildKey(getAttachment(PATH_KEY),
getAttachment(GROUP_KEY),
getAttachment(VERSION_KEY));
setTargetServiceUniqueName(targetServiceName);
} catch (ClassNotFoundException e) {
throw new IOException(StringUtils.toString("Read invocation data failed.", e));
} finally {
Thread.currentThread().setContextClassLoader(originClassLoader);
if (in instanceof Cleanable) {
((Cleanable) in).cleanup();
}
}
return this;
}
}