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/*
* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.oracle.libuv;
import static java.lang.Boolean.TRUE;
import java.nio.ByteBuffer;
public final class LoopCallbackHandler implements CallbackHandler {
private final CallbackExceptionHandler exceptionHandler;
private final LibUVConfiguration configuration;
LoopCallbackHandler(final CallbackExceptionHandler exceptionHandler, LibUVConfiguration configuration) {
this.exceptionHandler = exceptionHandler;
this.configuration = configuration;
}
@Override
public void handleAsyncCallback(final AsyncCallback cb,
final int status) {
try {
cb.onSend(status);
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleCheckCallback(final CheckCallback cb,
final int status) {
try {
cb.onCheck(status);
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleCheckCallback(CloseCallback cb, int status) {
try {
cb.onClose(status);
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handlePrepareCallback(final PrepareCallback cb,
final int status) {
try {
cb.onPrepare(status);
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handlePrepareCallback(final CloseCallback cb,
final int status) {
try {
cb.onClose(status);
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleStreamReadCallback(final StreamReadCallback cb,
final ByteBuffer data) {
try {
if (data != null) {
ByteBuffer buffer = clone(data);
cb.onRead(buffer);
} else {
cb.onRead(data);
}
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
private ByteBuffer clone(ByteBuffer original) {
if (configuration.copyBuffer()) {
ByteBuffer clone = TRUE.equals(configuration.useDirectByteBuffer()) ? ByteBuffer.allocateDirect(original.capacity()) :
ByteBuffer.allocate(original.capacity());
clone.put(original);
clone.flip();
return clone;
} else {
return original;
}
}
@Override
public void handleStreamWriteCallback(final StreamWriteCallback cb,
final int status,
final Exception error) {
try {
cb.onWrite(status, error);
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleStreamConnectCallback(final StreamConnectCallback cb,
final int status,
final Exception error) {
try {
cb.onConnect(status, error);
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleStreamConnectionCallback(final StreamConnectionCallback cb,
final int status,
final Exception error) {
try {
cb.onConnection(status, error);
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleStreamCloseCallback(final StreamCloseCallback cb) {
try {
cb.onClose();
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleStreamShutdownCallback(final StreamShutdownCallback cb,
final int status,
final Exception error) {
try {
cb.onShutdown(status, error);
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleProcessCloseCallback(final ProcessCloseCallback cb) {
try {
cb.onClose();
} catch (Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleProcessExitCallback(final ProcessExitCallback cb,
final int status,
final int signal,
final Exception error) {
try {
cb.onExit(status, signal, error);
} catch (Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleTimerCallback(final TimerCallback cb,
final int status) {
try {
cb.onTimer(status);
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleTimerCallback(final CloseCallback cb,
final int status) {
try {
cb.onClose(status);
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleUDPRecvCallback(final UDPRecvCallback cb,
final int nread,
final ByteBuffer data,
final Address address) {
try {
if (data != null) {
ByteBuffer buffer = clone(data);
cb.onRecv(nread, buffer, address);
} else {
cb.onRecv(nread, data, address);
}
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleUDPSendCallback(final UDPSendCallback cb,
final int status,
final Exception error) {
try {
cb.onSend(status, error);
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleUDPCloseCallback(final UDPCloseCallback cb) {
try {
cb.onClose();
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleIdleCallback(final IdleCallback cb,
final int status) {
try {
cb.onIdle(status);
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleIdleCallback(final CloseCallback cb,
final int status) {
try {
cb.onClose(status);
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
@Override
public void handleDnsCallback(final DnsCallback cb,
final Address address,
final int status) {
try {
cb.onAddress(address, status);
} catch (final Exception ex) {
exceptionHandler.handle(ex);
}
}
}
