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feature: support grpc protocol (#6881)
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39 changes: 39 additions & 0 deletions
39
core/src/main/java/org/apache/seata/core/protocol/Protocol.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| /* | ||
| * 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.seata.core.protocol; | ||
|
|
||
| /** | ||
| * seata transport protocol | ||
| */ | ||
| public enum Protocol { | ||
|
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| /** | ||
| * grpc | ||
| */ | ||
| GPRC("grpc"), | ||
|
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| /** | ||
| * seata | ||
| */ | ||
| SEATA("seata"); | ||
|
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| public final String value; | ||
|
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| Protocol(String value) { | ||
| this.value = value; | ||
| } | ||
| } |
66 changes: 66 additions & 0 deletions
66
core/src/main/java/org/apache/seata/core/protocol/detector/Http2Detector.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| /* | ||
| * 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.seata.core.protocol.detector; | ||
|
|
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| import io.netty.buffer.ByteBuf; | ||
| import io.netty.channel.ChannelHandler; | ||
| import io.netty.channel.ChannelInitializer; | ||
| import io.netty.channel.ChannelPipeline; | ||
| import io.netty.handler.codec.http2.Http2FrameCodecBuilder; | ||
| import io.netty.handler.codec.http2.Http2MultiplexHandler; | ||
| import io.netty.handler.codec.http2.Http2StreamChannel; | ||
| import io.netty.util.CharsetUtil; | ||
| import org.apache.seata.core.rpc.netty.grpc.GrpcDecoder; | ||
| import org.apache.seata.core.rpc.netty.grpc.GrpcEncoder; | ||
|
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| public class Http2Detector implements ProtocolDetector { | ||
| private static final byte[] HTTP2_PREFIX_BYTES = "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n".getBytes(CharsetUtil.UTF_8); | ||
| private ChannelHandler[] serverHandlers; | ||
|
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| public Http2Detector(ChannelHandler[] serverHandlers) { | ||
| this.serverHandlers = serverHandlers; | ||
| } | ||
|
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| @Override | ||
| public boolean detect(ByteBuf in) { | ||
| if (in.readableBytes() < HTTP2_PREFIX_BYTES.length) { | ||
| return false; | ||
| } | ||
| for (int i = 0; i < HTTP2_PREFIX_BYTES.length; i++) { | ||
| if (in.getByte(i) != HTTP2_PREFIX_BYTES[i]) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
|
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| @Override | ||
| public ChannelHandler[] getHandlers() { | ||
| return new ChannelHandler[]{ | ||
| Http2FrameCodecBuilder.forServer().build(), | ||
| new Http2MultiplexHandler(new ChannelInitializer<Http2StreamChannel>() { | ||
| @Override | ||
| protected void initChannel(Http2StreamChannel ch) { | ||
| final ChannelPipeline p = ch.pipeline(); | ||
| p.addLast(new GrpcDecoder()); | ||
| p.addLast(new GrpcEncoder()); | ||
| p.addLast(serverHandlers); | ||
| } | ||
| }) | ||
| }; | ||
| } | ||
| } |
26 changes: 26 additions & 0 deletions
26
core/src/main/java/org/apache/seata/core/protocol/detector/ProtocolDetector.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| /* | ||
| * 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.seata.core.protocol.detector; | ||
|
|
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| import io.netty.buffer.ByteBuf; | ||
| import io.netty.channel.ChannelHandler; | ||
|
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| public interface ProtocolDetector { | ||
| boolean detect(ByteBuf in); | ||
|
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| ChannelHandler[] getHandlers(); | ||
| } |
50 changes: 50 additions & 0 deletions
50
core/src/main/java/org/apache/seata/core/protocol/detector/SeataDetector.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* | ||
| * 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.seata.core.protocol.detector; | ||
|
|
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| import io.netty.buffer.ByteBuf; | ||
| import io.netty.channel.ChannelHandler; | ||
| import org.apache.seata.core.rpc.netty.MultiProtocolDecoder; | ||
|
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| public class SeataDetector implements ProtocolDetector { | ||
| private static final byte[] MAGIC_CODE_BYTES = {(byte) 0xda, (byte) 0xda}; | ||
| private ChannelHandler[] serverHandlers; | ||
|
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| public SeataDetector(ChannelHandler[] serverHandlers) { | ||
| this.serverHandlers = serverHandlers; | ||
| } | ||
|
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| @Override | ||
| public boolean detect(ByteBuf in) { | ||
| if (in.readableBytes() < MAGIC_CODE_BYTES.length) { | ||
| return false; | ||
| } | ||
| for (int i = 0; i < MAGIC_CODE_BYTES.length; i++) { | ||
| if (in.getByte(i) != MAGIC_CODE_BYTES[i]) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
|
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| @Override | ||
| public ChannelHandler[] getHandlers() { | ||
| MultiProtocolDecoder multiProtocolDecoder = new MultiProtocolDecoder(serverHandlers); | ||
|
|
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| return new ChannelHandler[]{multiProtocolDecoder}; | ||
| } | ||
| } |
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