/// <exception cref="System.IO.IOException"/>
public static void fillBuffer(java.nio.ByteBuffer buffer, java.nio.channels.ReadableByteChannel bc)
{
while (buffer.hasRemaining())
{
int r = bc.Read(buffer);
if (r < 0)
{
throw new System.IO.IOException("premature EOF");
}
}
}
/// <exception cref="System.IO.IOException"/>
public static Capnproto.MessageReader Read(java.nio.channels.ReadableByteChannel bc, Capnproto.ReaderOptions options)
{
java.nio.ByteBuffer firstWord = makeByteBuffer(Capnproto.Constants.BYTES_PER_WORD);
fillBuffer(firstWord, bc);
int segmentCount = 1 + firstWord.getInt(0);
int segment0Size = 0;
if (segmentCount > 0)
{
segment0Size = firstWord.getInt(4);
}
int totalWords = segment0Size;
if (segmentCount > 512)
{
throw new System.IO.IOException("too many segments");
}
//In words.
System.Collections.Generic.List <int> moreSizes = new System.Collections.Generic.List <int>();
if (segmentCount > 1)
{
java.nio.ByteBuffer moreSizesRaw = makeByteBuffer(4 * (segmentCount & ~1));
fillBuffer(moreSizesRaw, bc);
for (int ii = 0; ii < segmentCount - 1; ++ii)
{
int size = moreSizesRaw.getInt(ii * 4);
moreSizes.Add(size);
totalWords += size;
}
}
if (totalWords > options.traversalLimitInWords)
{
throw new Capnproto.DecodeException("Message size exceeds traversal limit.");
}
java.nio.ByteBuffer allSegments = makeByteBuffer(totalWords * Capnproto.Constants.BYTES_PER_WORD);
fillBuffer(allSegments, bc);
java.nio.ByteBuffer[] segmentSlices = new java.nio.ByteBuffer[segmentCount];
allSegments.rewind();
segmentSlices[0] = allSegments.slice();
segmentSlices[0].limit(segment0Size * Capnproto.Constants.BYTES_PER_WORD);
segmentSlices[0].order(java.nio.ByteOrder.LITTLE_ENDIAN);
int offset = segment0Size;
for (int ii = 1; ii < segmentCount; ++ii)
{
allSegments.position(offset * Capnproto.Constants.BYTES_PER_WORD);
segmentSlices[ii] = allSegments.slice();
segmentSlices[ii].limit(moreSizes[ii - 1] * Capnproto.Constants.BYTES_PER_WORD);
segmentSlices[ii].order(java.nio.ByteOrder.LITTLE_ENDIAN);
offset += moreSizes[ii - 1];
}
return(new Capnproto.MessageReader(segmentSlices, options));
}
public override long transferFrom(java.nio.channels.ReadableByteChannel arg0, long arg1, long arg2)
{
global::MonoJavaBridge.JNIEnv @__env = global::MonoJavaBridge.JNIEnv.ThreadEnv;
if (!IsClrObject)
{
return(@__env.CallLongMethod(this.JvmHandle, global::java.nio.channels.FileChannel_._transferFrom14454, global::MonoJavaBridge.JavaBridge.ConvertToValue(arg0), global::MonoJavaBridge.JavaBridge.ConvertToValue(arg1), global::MonoJavaBridge.JavaBridge.ConvertToValue(arg2)));
}
else
{
return(@__env.CallNonVirtualLongMethod(this.JvmHandle, global::java.nio.channels.FileChannel_.staticClass, global::java.nio.channels.FileChannel_._transferFrom14454, global::MonoJavaBridge.JavaBridge.ConvertToValue(arg0), global::MonoJavaBridge.JavaBridge.ConvertToValue(arg1), global::MonoJavaBridge.JavaBridge.ConvertToValue(arg2)));
}
}
/// <exception cref="System.IO.IOException"/>
public static int readAtLeast(java.nio.channels.ReadableByteChannel reader, java.nio.ByteBuffer buf, int minBytes)
{
int numRead = 0;
while (numRead < minBytes)
{
int res = reader.Read(buf);
if (res < 0)
{
throw new System.Exception("premature EOF");
}
numRead += res;
}
return(numRead);
}
//TODO: Check for r == 0?
/// <exception cref="System.IO.IOException"/>
public static Capnproto.MessageReader Read(java.nio.channels.ReadableByteChannel bc)
{
return(Read(bc, Capnproto.ReaderOptions.DEFAULT_READER_OPTIONS));
}
public BufferedInputStreamWrapper(java.nio.channels.ReadableByteChannel chan)
{
this.inner = chan;
this.buf = java.nio.ByteBuffer.allocate(8192);
this.buf.limit(0);
}
public abstract long transferFrom(java.nio.channels.ReadableByteChannel arg0, long arg1, long arg2);
/// <exception cref="System.IO.IOException"/>
public static Capnproto.MessageReader ReadFromUnbuffered(java.nio.channels.ReadableByteChannel input, Capnproto.ReaderOptions options)
{
Capnproto.PackedInputStream packedInput = new Capnproto.PackedInputStream(new Capnproto.BufferedInputStreamWrapper(input));
return(Capnproto.Serialize.Read(packedInput, options));
}
/// <exception cref="System.IO.IOException"/>
public static Capnproto.MessageReader ReadFromUnbuffered(java.nio.channels.ReadableByteChannel input)
{
return(ReadFromUnbuffered(input, Capnproto.ReaderOptions.DEFAULT_READER_OPTIONS));
}
