public static long computeSerializedSizeInWords(Capnproto.MessageBuilder message)
{
java.nio.ByteBuffer[] segments = message.GetSegmentsForOutput();
//From the capnproto documentation:
//"When transmitting over a stream, the following should be sent..."
long bytes = 0;
//"(4 bytes) The number of segments, minus one..."
bytes += 4;
//"(N * 4 bytes) The size of each segment, in words."
bytes += segments.Length * 4;
//"(0 or 4 bytes) Padding up to the next word boundary."
if (bytes % 8 != 0)
{
bytes += 4;
}
//The content of each segment, in order.
for (int i = 0; i < segments.Length; ++i)
{
java.nio.ByteBuffer s = segments[i];
bytes += s.limit();
}
return(bytes / Capnproto.Constants.BYTES_PER_WORD);
}
/// <exception cref="System.IO.IOException"/>
public static void Write(java.nio.channels.WritableByteChannel outputChannel, Capnproto.MessageBuilder message)
{
java.nio.ByteBuffer[] segments = message.GetSegmentsForOutput();
int tableSize = (segments.Length + 2) & (~1);
java.nio.ByteBuffer table = java.nio.ByteBuffer.allocate(4 * tableSize);
table.order(java.nio.ByteOrder.LITTLE_ENDIAN);
table.putInt(0, segments.Length - 1);
for (int i = 0; i < segments.Length; ++i)
{
table.putInt(4 * (i + 1), segments[i].limit() / 8);
}
//Any padding is already zeroed.
while (table.hasRemaining())
{
outputChannel.Write(table);
}
foreach (java.nio.ByteBuffer buffer in segments)
{
while (buffer.hasRemaining())
{
outputChannel.Write(buffer);
}
}
}
/// <exception cref="System.IO.IOException"/>
public static void WriteToUnbuffered(java.nio.channels.WritableByteChannel output, Capnproto.MessageBuilder message)
{
Capnproto.BufferedOutputStreamWrapper buffered = new Capnproto.BufferedOutputStreamWrapper(output);
Write(buffered, message);
buffered.Flush();
}
/// <exception cref="System.IO.IOException"/>
public static void Write(Capnproto.BufferedOutputStream output, Capnproto.MessageBuilder message)
{
Capnproto.PackedOutputStream packedOutputStream = new Capnproto.PackedOutputStream(output);
Capnproto.Serialize.Write(packedOutputStream, message);
}
