/// <summary>
/// Get the token value
/// </summary>
/// <returns>long</returns>
public UInt64 GetTokenValue()
{
if (this.Token == null || this.Token.Length == 0)
{
return(0);
}
else
{
return(AbstractByteUtils.ToUInt64(this.Token.Value));
}
}
/// <summary>
/// The byte array from which we need to construct this block option.
/// </summary>
/// <param name="data">
/// The byte array (max 3 bytes).Endian-ness is taken care of in this method
/// </param>
public CoAPBlockOption(byte[] data)
{
if (data == null || data.Length == 0 || data.Length > 3)
{
throw new ArgumentNullException("Block option byte array must be 1-3 bytes in length");
}
if (data.Length == 1 /*single byte*/)
{
this._seqNumber = (UInt16)(data[0] >> 4);
this._hasMore = (((data[0] & 0x08) >> 3) == 1) ? true : false;
this._sizeExp = (byte)(data[0] & 0x07);
}
else if (data.Length == 2 /*double byte*/)
{
if (AbstractByteUtils.IsTargetLittleEndian())
{
this._seqNumber = (UInt16)(AbstractByteUtils.ToUInt16(data) >> 4);
this._hasMore = (((data[0] & 0x08) >> 3) == 1) ? true : false;
this._sizeExp = (byte)(data[0] & 0x07);
}
else
{
this._seqNumber = (UInt16)(AbstractByteUtils.ToUInt16(data) << 4);
this._hasMore = (((data[1] & 0x08) >> 3) == 1) ? true : false;
this._sizeExp = (byte)(data[1] & 0x07);
}
}
else if (data.Length == 3 /*Triple byte*/)
{
if (AbstractByteUtils.IsTargetLittleEndian())
{
this._seqNumber = (UInt32)(AbstractByteUtils.ToUInt64(data) >> 4);
this._hasMore = (((data[0] & 0x08) >> 3) == 1) ? true : false;
this._sizeExp = (byte)(data[0] & 0x07);
}
else
{
this._seqNumber = (UInt32)(AbstractByteUtils.ToUInt64(data) << 4);
this._hasMore = (((data[2] & 0x08) >> 3) == 1) ? true : false;
this._sizeExp = (byte)(data[2] & 0x07);
}
}
}
/// <summary>
/// Convert to a string representation
/// </summary>
/// <returns>string</returns>
public override string ToString()
{
string optionValueAsString = (this.Value != null) ? AbstractByteUtils.ByteToStringUTF8(this.Value) : "";
switch (this.Number)
{
case CoAPHeaderOption.ACCEPT:
return("Accept : " + AbstractByteUtils.ToUInt16(this.Value).ToString());
case CoAPHeaderOption.BLOCK1:
CoAPBlockOption cbo1 = new CoAPBlockOption(this.Value);
return("Block1 : " + cbo1.ToString());
case CoAPHeaderOption.BLOCK2:
CoAPBlockOption cbo2 = new CoAPBlockOption(this.Value);
return("Block2 : " + cbo2.ToString());
case CoAPHeaderOption.CONTENT_FORMAT:
CoAPContentFormatOption ccformat = new CoAPContentFormatOption(AbstractByteUtils.ToUInt16(this.Value));
return("Content-Format : " + ccformat.ToString());
case CoAPHeaderOption.ETAG:
return("ETag : " + optionValueAsString);
case CoAPHeaderOption.IF_MATCH:
return("If-Match : " + optionValueAsString);
case CoAPHeaderOption.IF_NONE_MATCH:
return("If-None-Match : ");
case CoAPHeaderOption.OBSERVE:
return("Observe : " + AbstractByteUtils.ToUInt64(this.Value).ToString()); //We have no data structure for 3-bytes
case CoAPHeaderOption.LOCATION_PATH:
return("Location-Path : " + optionValueAsString);
case CoAPHeaderOption.LOCATION_QUERY:
return("Location-Query : " + optionValueAsString);
case CoAPHeaderOption.MAX_AGE:
return("Max-Age : " + AbstractByteUtils.ToUInt64(this.Value).ToString());
case CoAPHeaderOption.PROXY_SCHEME:
return("Proxy-Scheme : " + optionValueAsString);
case CoAPHeaderOption.PROXY_URI:
return("Proxy-Uri : " + optionValueAsString);
case CoAPHeaderOption.SIZE1:
return("Size1 : " + AbstractByteUtils.ToUInt64(this.Value).ToString());
case CoAPHeaderOption.SIZE2:
return("Size2 : " + AbstractByteUtils.ToUInt64(this.Value).ToString());
case CoAPHeaderOption.URI_HOST:
return("Uri-Host : " + optionValueAsString);
case CoAPHeaderOption.URI_PATH:
return("Uri-Path : " + optionValueAsString);
case CoAPHeaderOption.URI_PORT:
return("Uri-Port : " + AbstractByteUtils.ToUInt16(this.Value));
case CoAPHeaderOption.URI_QUERY:
return("Uri-Query : " + optionValueAsString);
default:
return("Unknown : " + optionValueAsString);
}
}
