io.vertx.db2client.impl.codec.DB2Codec Maven / Gradle / Ivy
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/*
* Copyright (C) 2019,2020 IBM Corporation
*
* 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 io.vertx.db2client.impl.codec;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.CombinedChannelDuplexHandler;
import io.vertx.db2client.impl.DB2SocketConnection;
import io.vertx.sqlclient.ClosedConnectionException;
import java.util.ArrayDeque;
public class DB2Codec extends CombinedChannelDuplexHandler {
// TODO @AGG check what packet length limit actually is for DB2
static final int PACKET_PAYLOAD_LENGTH_LIMIT = 0xFFFFFF;
private final ArrayDeque> inflight = new ArrayDeque<>();
public DB2Codec(DB2SocketConnection db2SocketConnection) {
DB2Encoder encoder = new DB2Encoder(inflight, db2SocketConnection);
DB2Decoder decoder = new DB2Decoder(inflight);
init(decoder, encoder);
}
@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
clearInflightCommands(ClosedConnectionException.INSTANCE);
super.channelInactive(ctx);
}
private void clearInflightCommands(Throwable failure) {
for (CommandCodec commandCodec : inflight) {
commandCodec.cmd.fail(failure);
}
}
}