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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.
//
// **********************************************************************
namespace IceInternal
{
using System;
using System.Net.Sockets;
public interface Transceiver
{
//
// Initialize the transceiver using asynchronous I/O. This method never blocks. Returns true
// if initialization is complete, or false if an I/O request is pending. In the latter case,
// the callback must invoke initialize again and repeat this process until it returns true.
//
int initialize();
void close();
//
// Write data.
//
// Returns true if all the data was written, false otherwise.
//
bool write(Buffer buf);
//
// Read data.
//
// Returns true if all the requested data was read, false otherwise.
//
bool read(Buffer buf);
//
// Read data asynchronously.
//
// The I/O request may complete synchronously, in which case endRead
// will be invoked in the same thread as beginRead. The return value
// from beginRead must be passed to endRead, along with the same buffer
// object. The caller must check the buffer after endRead completes to
// determine whether all of the requested data has been read.
//
// The read request is canceled upon the termination of the thread that
// calls beginRead, or when the socket is closed. In this case endRead
// raises ReadAbortedException.
//
bool startRead(Buffer buf, AsyncCallback callback, object state);
void finishRead(Buffer buf);
//
// Write data asynchronously.
//
// The I/O request may complete synchronously, in which case endWrite
// will be invoked in the same thread as beginWrite. The request
// will be canceled upon the termination of the thread that calls beginWrite.
//
bool startWrite(Buffer buf, AsyncCallback callback, object state, out bool completed);
void finishWrite(Buffer buf);
string type();
Ice.ConnectionInfo getInfo();
void checkSendSize(Buffer buf, int messageSizeMax);
}
}
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