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// **********************************************************************
//
// Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
package IceInternal;
public interface Transceiver
{
java.nio.channels.SelectableChannel fd();
//
// Initialize the transceiver.
//
// Returns the status if the initialize operation. If timeout is != 0,
// the status will always be SocketStatus.Finished. If timeout is 0,
// the operation won't block and will return SocketStatus.NeedRead or
// SocketStatus.NeedWrite if the initialization couldn't be completed
// without blocking. This operation should be called again once the
// socket is ready for reading or writing and until it returns
// SocketStatus.Finished.
//
SocketStatus initialize();
void close();
//
// Write data.
//
// Returns true if all the data was written, false otherwise.
//
boolean write(Buffer buf);
//
// Read data.
//
// Returns true if all the requested data was read, false otherwise.
//
// NOTE: In Java, read() returns a boolean in moreData to indicate
// whether the transceiver has read more data than requested.
// If moreData is true, read should be called again without
// calling select on the FD.
//
boolean read(Buffer buf, Ice.BooleanHolder moreData);
String type();
String toString();
void checkSendSize(Buffer buf, int messageSizeMax);
}
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