private void ReadMessages(
ArraySegment <byte> buffer,
OscReader reader,
int count,
List <OscMessageRaw> messages,
out OscTimeTag timestamp)
{
int start = reader.Position;
int bundleEnd = start + count;
reader.BeginBundle(count);
string ident = reader.ReadAddress();
if (OscBundle.BundleIdent.Equals(ident, StringComparison.Ordinal) == false)
{
// this is an error
throw new OscException(OscError.InvalidBundleIdent, $"Invalid bundle ident '{ident}'");
}
timestamp = reader.ReadBundleTimeTag();
while (reader.Position < bundleEnd)
{
if (reader.Position + 4 > bundleEnd)
{
// this is an error
throw new OscException(OscError.InvalidBundleMessageHeader, "Invalid bundle message header");
}
int messageLength = reader.ReadBundleMessageLength(start, count);
if (reader.Position + messageLength > bundleEnd ||
messageLength < 0 ||
messageLength % 4 != 0)
{
// this is an error
throw new OscException(OscError.InvalidBundleMessageLength, "Invalid bundle message length");
}
if (reader.PeekByte() == (byte)'#')
{
ReadMessages(buffer, reader, messageLength, messages, out OscTimeTag _);
}
else
{
messages.Add(new OscMessageRaw(new ArraySegment <byte>(buffer.Array, buffer.Offset + reader.Position, messageLength), Origin, timestamp));
reader.Position += messageLength;
}
}
}
public static OscBundle Read(OscReader reader, int count, Uri origin = null)
{
OscBundle bundle = new OscBundle
{
Origin = origin
};
int start = reader.Position;
int bundleEnd = start + count;
reader.BeginBundle(count);
string ident = reader.ReadAddress();
if (BundleIdent.Equals(ident, StringComparison.Ordinal) == false)
{
// this is an error
throw new OscException(OscError.InvalidBundleIdent, $"Invalid bundle ident '{ident}'");
}
bundle.Timestamp = reader.ReadBundleTimeTag();
List <OscPacket> messages = new List <OscPacket>();
while (reader.Position < bundleEnd)
{
if (reader.Position + 4 > bundleEnd)
{
// this is an error
throw new OscException(OscError.InvalidBundleMessageHeader, "Invalid bundle message header");
}
int messageLength = reader.ReadBundleMessageLength(start, count);
if (reader.Position + messageLength > bundleEnd ||
messageLength < 0 ||
messageLength % 4 != 0)
{
// this is an error
throw new OscException(OscError.InvalidBundleMessageLength, "Invalid bundle message length");
}
messages.Add(Read(reader, messageLength, origin, bundle.Timestamp));
}
bundle.packets = messages.ToArray();
return(bundle);
}