public async Task <D> ReadObjectAsync <D>(int proj = 0x00ff) where D : IData, new()
{
if (entity == null && count == -1) // if not yet parse and read
{
// read
count = 0;
int?clen = HeaderInt("Content-Length");
if (clen > 0)
{
int len = (int)clen;
buffer = BufferUtility.GetByteBuffer(len); // borrow from the pool
while ((count += await Request.Body.ReadAsync(buffer, count, (len - count))) < len)
{
}
}
// parse
string ctyp = Header("Content-Type");
entity = ParseContent(ctyp, buffer, count);
}
IDataInput src = entity as IDataInput;
if (src == null)
{
return(default(D));
}
return(src.ToObject <D>(proj));
}
protected DynamicContent(bool octet, int capacity)
{
if (octet)
{
bytebuf = BufferUtility.GetByteBuffer(capacity);
}
else
{
charbuf = BufferUtility.GetCharBuffer(capacity);
}
count = 0;
}
public async Task <ArraySegment <byte> > ReadAsync()
{
if (count == -1) // if not yet read
{
count = 0;
int?clen = HeaderInt("Content-Length");
if (clen > 0)
{
// reading
int len = (int)clen;
buffer = BufferUtility.GetByteBuffer(len); // borrow from the pool
while ((count += await Request.Body.ReadAsync(buffer, count, (len - count))) < len)
{
}
}
}
return(new ArraySegment <byte>(buffer, 0, count));
}
public async Task <M> ReadAsync <M>() where M : class, IDataInput
{
if (entity == null && count == -1) // if not yet parse and read
{
// read
count = 0;
int?clen = HeaderInt("Content-Length");
if (clen > 0)
{
int len = (int)clen;
buffer = BufferUtility.GetByteBuffer(len); // borrow from the pool
while ((count += await Request.Body.ReadAsync(buffer, count, (len - count))) < len)
{
}
}
// parse
string ctyp = Header("Content-Type");
entity = ParseContent(ctyp, buffer, count, typeof(M));
}
return(entity as M);
}
void AddByte(byte b)
{
// ensure capacity
int olen = bytebuf.Length; // old length
if (count >= olen)
{
int nlen = olen * 4; // new length
byte[] obuf = bytebuf;
bytebuf = BufferUtility.GetByteBuffer(nlen);
Array.Copy(obuf, 0, bytebuf, 0, olen);
BufferUtility.Return(obuf);
}
bytebuf[count++] = b;
// calculate checksum
ulong cs = checksum;
cs ^= b; // XOR
checksum = cs >> 57 | cs << 7; // circular left shift 7 bit
}