public Buffer(ByteBuffer data, ByteBuffer.ByteOrder order)
{
b = data;
b.order(order);
_size = data.remaining();
_capacity = 0;
_order = order;
}
private int read(ByteBuffer buf)
{
Debug.Assert(_fd != null);
int read = 0;
while (buf.hasRemaining())
{
try
{
int ret = _fd.Receive(buf.rawBytes(), buf.position(), buf.remaining(), SocketFlags.None);
if (ret == 0)
{
throw new Ice.ConnectionLostException();
}
read += ret;
buf.position(buf.position() + ret);
}
catch (SocketException ex)
{
if (Network.wouldBlock(ex))
{
return(read);
}
else if (Network.interrupted(ex))
{
continue;
}
else if (Network.connectionLost(ex))
{
throw new Ice.ConnectionLostException(ex);
}
throw new Ice.SocketException(ex);
}
}
return(read);
}
private int write(ByteBuffer buf)
{
Debug.Assert(_fd != null);
#if COMPACT || SILVERLIGHT
//
// Silverlight and the Compact .NET Frameworks don't
// support the use of synchronous socket operations on a
// non-blocking socket. Returning 0 here forces the caller
// to schedule an asynchronous operation.
//
return 0;
#else
int packetSize = buf.remaining();
if(AssemblyUtil.platform_ == AssemblyUtil.Platform.Windows)
{
//
// On Windows, limiting the buffer size is important to prevent
// poor throughput performances when transfering large amount of
// data. See Microsoft KB article KB823764.
//
if(_maxSendPacketSize > 0 && packetSize > _maxSendPacketSize / 2)
{
packetSize = _maxSendPacketSize / 2;
}
}
int sent = 0;
while(buf.hasRemaining())
{
try
{
int ret = _fd.Send(buf.rawBytes(), buf.position(), packetSize, SocketFlags.None);
Debug.Assert(ret > 0);
sent += ret;
buf.position(buf.position() + ret);
if(packetSize > buf.remaining())
{
packetSize = buf.remaining();
}
}
catch(SocketException ex)
{
if(Network.wouldBlock(ex))
{
return sent;
}
else if(Network.connectionLost(ex))
{
throw new Ice.ConnectionLostException(ex);
}
throw new Ice.SocketException(ex);
}
}
return sent;
#endif
}
private int read(ByteBuffer buf)
{
Debug.Assert(_fd != null);
#if COMPACT || SILVERLIGHT
//
// Silverlight and the Compact .NET Framework don't
// support the use of synchronous socket operations on a
// non-blocking socket. Returning 0 here forces the caller
// to schedule an asynchronous operation.
//
return 0;
#else
int read = 0;
while(buf.hasRemaining())
{
try
{
int ret = _fd.Receive(buf.rawBytes(), buf.position(), buf.remaining(), SocketFlags.None);
if(ret == 0)
{
throw new Ice.ConnectionLostException();
}
read += ret;
buf.position(buf.position() + ret);
}
catch(SocketException ex)
{
if(Network.wouldBlock(ex))
{
return read;
}
else if(Network.interrupted(ex))
{
continue;
}
else if(Network.connectionLost(ex))
{
throw new Ice.ConnectionLostException(ex);
}
throw new Ice.SocketException(ex);
}
}
return read;
#endif
}
private int write(ByteBuffer buf)
{
Debug.Assert(_fd != null);
int packetSize = buf.remaining();
if(AssemblyUtil.platform_ == AssemblyUtil.Platform.Windows)
{
//
// On Windows, limiting the buffer size is important to prevent
// poor throughput performances when transfering large amount of
// data. See Microsoft KB article KB823764.
//
if(_maxSendPacketSize > 0 && packetSize > _maxSendPacketSize / 2)
{
packetSize = _maxSendPacketSize / 2;
}
}
int sent = 0;
while(buf.hasRemaining())
{
try
{
int ret = _fd.Send(buf.rawBytes(), buf.position(), packetSize, SocketFlags.None);
Debug.Assert(ret > 0);
sent += ret;
buf.position(buf.position() + ret);
if(packetSize > buf.remaining())
{
packetSize = buf.remaining();
}
}
catch(SocketException ex)
{
if(Network.wouldBlock(ex))
{
return sent;
}
else if(Network.connectionLost(ex))
{
throw new Ice.ConnectionLostException(ex);
}
throw new Ice.SocketException(ex);
}
}
return sent;
}
private int read(ByteBuffer buf)
{
Debug.Assert(_fd != null);
int read = 0;
while(buf.hasRemaining())
{
try
{
int ret = _fd.Receive(buf.rawBytes(), buf.position(), buf.remaining(), SocketFlags.None);
if(ret == 0)
{
throw new Ice.ConnectionLostException();
}
read += ret;
buf.position(buf.position() + ret);
}
catch(SocketException ex)
{
if(Network.wouldBlock(ex))
{
return read;
}
else if(Network.interrupted(ex))
{
continue;
}
else if(Network.connectionLost(ex))
{
throw new Ice.ConnectionLostException(ex);
}
throw new Ice.SocketException(ex);
}
}
return read;
}
public ByteBuffer put(ByteBuffer buf)
{
int len = buf.remaining();
checkOverflow(len);
System.Buffer.BlockCopy(buf._bytes, buf._position, _bytes, _position, len);
_position += len;
return this;
}
