com.hazelcast.client.impl.protocol.codec.MCGetThreadDumpCodec Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of hazelcast-jdbc Show documentation
Hazelcast JDBC Driver
The newest version!
/*
 * Copyright (c) 2008-2024, Hazelcast, Inc. All Rights Reserved.
 *
 * 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 com.hazelcast.client.impl.protocol.codec;

import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.Generated;
import com.hazelcast.client.impl.protocol.codec.builtin.*;
import com.hazelcast.client.impl.protocol.codec.custom.*;

import javax.annotation.Nullable;

import static com.hazelcast.client.impl.protocol.ClientMessage.*;
import static com.hazelcast.client.impl.protocol.codec.builtin.FixedSizeTypesCodec.*;

/*
 * This file is auto-generated by the Hazelcast Client Protocol Code Generator.
 * To change this file, edit the templates or the protocol
 * definitions on the https://github.com/hazelcast/hazelcast-client-protocol
 * and regenerate it.
 */

/**
 * Takes a thread dump of the member it's called on.
 */
@SuppressWarnings("unused")
@Generated("3ad51202bc26f550703dc2e95580a1e3")
public final class MCGetThreadDumpCodec {
    //hex: 0x200700
    public static final int REQUEST_MESSAGE_TYPE = 2098944;
    //hex: 0x200701
    public static final int RESPONSE_MESSAGE_TYPE = 2098945;
    private static final int REQUEST_DUMP_DEAD_LOCKS_FIELD_OFFSET = PARTITION_ID_FIELD_OFFSET + INT_SIZE_IN_BYTES;
    private static final int REQUEST_INITIAL_FRAME_SIZE = REQUEST_DUMP_DEAD_LOCKS_FIELD_OFFSET + BOOLEAN_SIZE_IN_BYTES;
    private static final int RESPONSE_INITIAL_FRAME_SIZE = RESPONSE_BACKUP_ACKS_FIELD_OFFSET + BYTE_SIZE_IN_BYTES;

    private MCGetThreadDumpCodec() {
    }

    public static ClientMessage encodeRequest(boolean dumpDeadLocks) {
        ClientMessage clientMessage = ClientMessage.createForEncode();
        clientMessage.setRetryable(false);
        clientMessage.setOperationName("MC.GetThreadDump");
        ClientMessage.Frame initialFrame = new ClientMessage.Frame(new byte[REQUEST_INITIAL_FRAME_SIZE], UNFRAGMENTED_MESSAGE);
        encodeInt(initialFrame.content, TYPE_FIELD_OFFSET, REQUEST_MESSAGE_TYPE);
        encodeInt(initialFrame.content, PARTITION_ID_FIELD_OFFSET, -1);
        encodeBoolean(initialFrame.content, REQUEST_DUMP_DEAD_LOCKS_FIELD_OFFSET, dumpDeadLocks);
        clientMessage.add(initialFrame);
        return clientMessage;
    }

    /**
     * Whether only dead-locked threads or all threads should be dumped.
     */
    public static boolean decodeRequest(ClientMessage clientMessage) {
        ClientMessage.ForwardFrameIterator iterator = clientMessage.frameIterator();
        ClientMessage.Frame initialFrame = iterator.next();
        return decodeBoolean(initialFrame.content, REQUEST_DUMP_DEAD_LOCKS_FIELD_OFFSET);
    }

    public static ClientMessage encodeResponse(java.lang.String threadDump) {
        ClientMessage clientMessage = ClientMessage.createForEncode();
        ClientMessage.Frame initialFrame = new ClientMessage.Frame(new byte[RESPONSE_INITIAL_FRAME_SIZE], UNFRAGMENTED_MESSAGE);
        encodeInt(initialFrame.content, TYPE_FIELD_OFFSET, RESPONSE_MESSAGE_TYPE);
        clientMessage.add(initialFrame);

        StringCodec.encode(clientMessage, threadDump);
        return clientMessage;
    }

    /**
     * Thread dump of the member's JVM.
     */
    public static java.lang.String decodeResponse(ClientMessage clientMessage) {
        ClientMessage.ForwardFrameIterator iterator = clientMessage.frameIterator();
        //empty initial frame
        iterator.next();
        return StringCodec.decode(iterator);
    }
}