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Redisson own client implementation development started

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Nikita 10 years ago
parent 2e4a986bc6
commit 394c9539a2
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92
src/main/java/org/redisson/client/RedisClient.java
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/**
* Copyright 2014 Nikita Koksharov, Nickolay Borbit
*
* 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.
*/
package org.redisson.client;
import java.net.InetSocketAddress;
import org.redisson.client.handler.RedisCommandsQueue;
import org.redisson.client.handler.RedisData;
import org.redisson.client.handler.RedisDecoder;
import org.redisson.client.handler.RedisEncoder;
import org.redisson.client.protocol.RedisCommand;
import org.redisson.client.protocol.RedisCommands;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.FutureListener;
import io.netty.util.concurrent.Promise;
public class RedisClient {
private Class<? extends SocketChannel> socketChannelClass = NioSocketChannel.class;
private Bootstrap bootstrap;
private EventLoopGroup group = new NioEventLoopGroup();
private InetSocketAddress addr;
private Channel channel;
public RedisClient(String host, int port) {
addr = new InetSocketAddress(host, port);
bootstrap = new Bootstrap().channel(socketChannelClass).group(group).remoteAddress(addr);
bootstrap.handler(new ChannelInitializer<Channel>() {
@Override
protected void initChannel(Channel ch) throws Exception {
ch.pipeline().addFirst(
new RedisEncoder(),
new RedisCommandsQueue(),
new RedisDecoder());
}
});
}
public ChannelFuture connect() {
ChannelFuture future = bootstrap.connect();
channel = future.channel();
return future;
}
public <R> Future<R> execute(RedisCommand<R> command, Object ... params) {
Promise<R> promise = bootstrap.group().next().<R>newPromise();
channel.writeAndFlush(new RedisData<R>(promise, command, params));
return promise;
}
public static void main(String[] args) throws InterruptedException {
RedisClient rc = new RedisClient("127.0.0.1", 6379);
rc.connect().sync();
for (int i = 0; i < 10000; i++) {
final int j = i;
Future<String> res = rc.execute(RedisCommands.SET, "test", "" + Math.random());
res.addListener(new FutureListener<String>() {
@Override
public void operationComplete(Future<String> future) throws Exception {
System.out.println("res: " + future.getNow() + " " + j);
}
});
}
// rc.execute(RedisCommands.GET, "test");
}
}

68
src/main/java/org/redisson/client/handler/RedisCommandsQueue.java
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/**
* Copyright 2014 Nikita Koksharov, Nickolay Borbit
*
* 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.
*/
package org.redisson.client.handler;
import java.util.Queue;
import io.netty.channel.ChannelDuplexHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelPromise;
import io.netty.util.AttributeKey;
import io.netty.util.concurrent.Promise;
import io.netty.util.internal.PlatformDependent;
public class RedisCommandsQueue extends ChannelDuplexHandler {
public enum QueueCommands {NEXT_COMMAND}
public static final AttributeKey<Promise<Object>> REPLAY_PROMISE = AttributeKey.valueOf("promise");
private final Queue<RedisData<Object>> queue = PlatformDependent.newMpscQueue();
@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
if (evt == QueueCommands.NEXT_COMMAND) {
queue.poll();
sendData(ctx);
} else {
super.userEventTriggered(ctx, evt);
}
}
@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
if (msg instanceof RedisData) {
RedisData<Object> data = (RedisData<Object>) msg;
if (data.getSend().get()) {
super.write(ctx, msg, promise);
} else {
queue.add(data);
sendData(ctx);
}
} else {
super.write(ctx, msg, promise);
}
}
private void sendData(ChannelHandlerContext ctx) throws Exception {
RedisData<Object> data = queue.peek();
if (data != null && data.getSend().compareAndSet(false, true)) {
ctx.channel().attr(REPLAY_PROMISE).set(data.getPromise());
ctx.channel().writeAndFlush(data);
}
}
}

53
src/main/java/org/redisson/client/handler/RedisData.java
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/**
* Copyright 2014 Nikita Koksharov, Nickolay Borbit
*
* 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.
*/
package org.redisson.client.handler;
import java.util.concurrent.atomic.AtomicBoolean;
import org.redisson.client.protocol.RedisCommand;
import io.netty.util.concurrent.Promise;
public class RedisData<R> {
Promise<R> promise;
RedisCommand<R> command;
Object[] params;
AtomicBoolean send = new AtomicBoolean();
public RedisData(Promise<R> promise, RedisCommand<R> command, Object[] params) {
this.promise = promise;
this.command = command;
this.params = params;
}
public RedisCommand<R> getCommand() {
return command;
}
public Object[] getParams() {
return params;
}
public Promise<R> getPromise() {
return promise;
}
public AtomicBoolean getSend() {
return send;
}
}

70
src/main/java/org/redisson/client/handler/RedisDecoder.java
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/**
* Copyright 2014 Nikita Koksharov, Nickolay Borbit
*
* 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.
*/
package org.redisson.client.handler;
import java.util.List;
import org.redisson.client.handler.RedisCommandsQueue.QueueCommands;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.ReplayingDecoder;
import io.netty.util.CharsetUtil;
public class RedisDecoder extends ReplayingDecoder<Void> {
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
int code = in.readByte();
String status = in.readBytes(in.bytesBefore((byte) '\r')).toString(CharsetUtil.UTF_8);
in.skipBytes(2);
out.add(status);
System.out.println("status: " + status);
ctx.channel().attr(RedisCommandsQueue.REPLAY_PROMISE).getAndRemove().setSuccess(status);
ctx.pipeline().fireUserEventTriggered(QueueCommands.NEXT_COMMAND);
// switch (code) {
// case StatusReply.MARKER: {
// String status = is.readBytes(is.bytesBefore((byte) '\r')).toString(Charsets.UTF_8);
// is.skipBytes(2);
// return new StatusReply(status);
// }
// case ErrorReply.MARKER: {
// String error = is.readBytes(is.bytesBefore((byte) '\r')).toString(Charsets.UTF_8);
// is.skipBytes(2);
// return new ErrorReply(error);
// }
// case IntegerReply.MARKER: {
// return new IntegerReply(readLong(is));
// }
// case BulkReply.MARKER: {
// return new BulkReply(readBytes(is));
// }
// case MultiBulkReply.MARKER: {
// if (reply == null) {
// return decodeMultiBulkReply(is);
// } else {
// return new RedisReplyDecoder(false).decodeMultiBulkReply(is);
// }
// }
// default: {
// throw new IOException("Unexpected character in stream: " + code);
// }
// }
}
}

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src/main/java/org/redisson/client/handler/RedisEncoder.java
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/**
* Copyright 2014 Nikita Koksharov, Nickolay Borbit
*
* 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.
*/
package org.redisson.client.handler;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToByteEncoder;
import io.netty.util.AttributeKey;
import io.netty.util.CharsetUtil;
import io.netty.util.concurrent.Promise;
public class RedisEncoder extends MessageToByteEncoder<RedisData<Object>> {
final char ARGS_PREFIX = '*';
final char BYTES_PREFIX = '$';
final byte[] CRLF = "\r\n".getBytes();
@Override
protected void encode(ChannelHandlerContext ctx, RedisData<Object> msg, ByteBuf out) throws Exception {
out.writeByte(ARGS_PREFIX);
out.writeBytes(toChars(1 + msg.getParams().length));
out.writeBytes(CRLF);
writeArgument(out, msg.getCommand().getName().getBytes("UTF-8"));
for (Object param : msg.getParams()) {
writeArgument(out, param.toString().getBytes("UTF-8"));
}
String o = out.toString(CharsetUtil.UTF_8);
System.out.println(o);
}
private void writeArgument(ByteBuf out, byte[] arg) {
out.writeByte(BYTES_PREFIX);
out.writeBytes(toChars(arg.length));
out.writeBytes(CRLF);
out.writeBytes(arg);
out.writeBytes(CRLF);
}
final static char[] DigitTens = {'0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1', '1', '1', '1',
'1', '1', '1', '1', '1', '1', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '3', '3', '3',
'3', '3', '3', '3', '3', '3', '3', '4', '4', '4', '4', '4', '4', '4', '4', '4', '4', '5', '5',
'5', '5', '5', '5', '5', '5', '5', '5', '6', '6', '6', '6', '6', '6', '6', '6', '6', '6', '7',
'7', '7', '7', '7', '7', '7', '7', '7', '7', '8', '8', '8', '8', '8', '8', '8', '8', '8', '8',
'9', '9', '9', '9', '9', '9', '9', '9', '9', '9',};
final static char[] DigitOnes = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3',
'4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2',
'3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1',
'2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
'1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',};
final static char[] digits = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e',
'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x',
'y', 'z'};
final static int[] sizeTable = {9, 99, 999, 9999, 99999, 999999, 9999999, 99999999, 999999999,
Integer.MAX_VALUE};
// Requires positive x
static int stringSize(long x) {
for (int i = 0;; i++)
if (x <= sizeTable[i])
return i + 1;
}
static void getChars(long i, int index, byte[] buf) {
long q, r;
int charPos = index;
byte sign = 0;
if (i < 0) {
sign = '-';
i = -i;
}
// Generate two digits per iteration
while (i >= 65536) {
q = i / 100;
// really: r = i - (q * 100);
r = i - ((q << 6) + (q << 5) + (q << 2));
i = q;
buf[--charPos] = (byte) DigitOnes[(int)r];
buf[--charPos] = (byte) DigitTens[(int)r];
}
// Fall thru to fast mode for smaller numbers
// assert(i <= 65536, i);
for (;;) {
q = (i * 52429) >>> (16 + 3);
r = i - ((q << 3) + (q << 1)); // r = i-(q*10) ...
buf[--charPos] = (byte) digits[(int)r];
i = q;
if (i == 0)
break;
}
if (sign != 0) {
buf[--charPos] = sign;
}
}
public static byte[] toChars(long i) {
int size = (i < 0) ? stringSize(-i) + 1 : stringSize(i);
byte[] buf = new byte[size];
getChars(i, size, buf);
return buf;
}
}

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src/main/java/org/redisson/client/protocol/ObjectDecoder.java
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/**
* Copyright 2014 Nikita Koksharov, Nickolay Borbit
*
* 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.
*/
package org.redisson.client.protocol;
public class ObjectDecoder implements ResponseDecoder<Object> {
}

38
src/main/java/org/redisson/client/protocol/RedisCommand.java
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/**
* Copyright 2014 Nikita Koksharov, Nickolay Borbit
*
* 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.
*/
package org.redisson.client.protocol;
public class RedisCommand<R> {
private String name;
private ResponseDecoder<R> reponseDecoder;
public RedisCommand(String name, ResponseDecoder<R> reponseDecoder) {
super();
this.name = name;
this.reponseDecoder = reponseDecoder;
}
public String getName() {
return name;
}
public ResponseDecoder<R> getReponseDecoder() {
return reponseDecoder;
}
}

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src/main/java/org/redisson/client/protocol/RedisCommands.java
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/**
* Copyright 2014 Nikita Koksharov, Nickolay Borbit
*
* 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.
*/
package org.redisson.client.protocol;
public interface RedisCommands {
RedisCommand<Object> GET = new RedisCommand<Object>("GET", new ObjectDecoder());
RedisCommand<String> SET = new RedisCommand<String>("SET", new StringDecoder());
}

20
src/main/java/org/redisson/client/protocol/ResponseDecoder.java
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/**
* Copyright 2014 Nikita Koksharov, Nickolay Borbit
*
* 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.
*/
package org.redisson.client.protocol;
public interface ResponseDecoder<R> {
}

20
src/main/java/org/redisson/client/protocol/StringDecoder.java
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/**
* Copyright 2014 Nikita Koksharov, Nickolay Borbit
*
* 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.
*/
package org.redisson.client.protocol;
public class StringDecoder implements ResponseDecoder<String> {
}
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