/**
* =================================================================================
*
* BSD LICENCE (http://en.wikipedia.org/wiki/BSD_licenses)
*
* ARTIFACT='barchart-udt4'.VERSION='1.0.0-SNAPSHOT'.TIMESTAMP='2009-09-09_23-19-15'
*
* Copyright (C) 2009, Barchart, Inc. (http://www.barchart.com/)
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of the Barchart, Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Developers: Andrei Pozolotin;
*
* =================================================================================
*/
package com.barchart.udt;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.IntBuffer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.barchart.udt.SocketUDT;
import com.barchart.udt.TypeUDT;
public class MainDirectBuffer {
private static Logger log = LoggerFactory.getLogger(MainDirectBuffer.class);
public static void main(String[] args) {
log.info("started; trying access direct buffer");
try {
TypeUDT type = TypeUDT.DATAGRAM;
SocketUDT socket = new SocketUDT(type);
ByteBuffer byteBuffer = ByteBuffer.allocateDirect(1024);
log.info("byteBuffer.isDirect={}", byteBuffer.isDirect());
socket.testDirectByteBufferAccess0(byteBuffer);
for (int k = 0; k < 3; k++) {
byte byteValue = byteBuffer.get(k);
log.info("k={} byteBuffer[k]={}", k, (char) byteValue);
}
//
IntBuffer intBuffer = ByteBuffer.allocateDirect(1024 * 4).order(
ByteOrder.nativeOrder()).asIntBuffer();
log.info("intBuffer.isDirect={}", intBuffer.isDirect());
for (int k = 0; k < 3; k++) {
intBuffer.put(k, 0);
}
socket.testDirectIntBufferAccess0(intBuffer);
for (int k = 0; k < 3; k++) {
int intValue = intBuffer.get(k);
log.info("k={} intBuffer[k]={}", k, (char) intValue);
}
} catch (Throwable e) {
log.error("unexpected", e);
}
}
}