/// <summary>
/// This method fires when a message has been completed.
/// </summary>
/// <param name="e"> The message event args. </param>
protected virtual void FireOnMessageCompleted(ByteMessageEventArgs e)
{
if (this.OnMessageCompleted != null)
{
this.OnMessageCompleted(this, e);
}
}
/// <summary>
/// This method gets the whole message.
/// </summary>
/// <param name="e"> The byte message. </param>
/// <param name="index"> The start index of the header. </param>
/// <param name="length"> The start of the message. </param>
private void GetMessage(ByteMessageEventArgs e, int index, int length)
{
int tempLength = this.messageLength;
for (int i = 0; i < tempLength; i++)
{
if (i + index + length < e.Message.Length)
{
this.messageArray.Add(e.Message[i + index + length]);
this.fullMessage.Add(e.Message[i + index + length]);
this.messageLength--;
}
}
if (this.messageLength == 0)
{
if (this.IsCheckSumCorrect())
{
this.messageArray.RemoveAt(this.messageArray.Count - 1);
this.FireOnMessageCompleted(new ByteMessageEventArgs(this.messageArray.ToArray()));
}
this.fullMessage.Clear();
this.headerFound = false;
this.messageArray.Clear();
}
}
/// <summary>
/// This method gets a byte array and then looks for either the header or terminator.
/// </summary>
/// <param name="sender"> The object sender. </param>
/// <param name="e"> The message event args. </param>
public void BuildMessage(object sender, ByteMessageEventArgs e)
{
if (!this.headerFound)
{
this.LookForHeader(e);
}
else
{
this.GetMessage(e, 0, 0);
}
}
/// <summary>
/// This method creates the message length.
/// </summary>
/// <param name="e"> The message. </param>
/// <param name="index"> The index of the message. </param>
private void SearchForLength(ByteMessageEventArgs e, int index)
{
List <byte> lengthArray = new List <byte>();
for (int i = index + 8; i < 100; i++)
{
lengthArray.Add(e.Message[i]);
}
this.fullMessage.AddRange(lengthArray);
this.messageLength = BitConverter.ToInt32(lengthArray.ToArray(), 0) + 1;
}
/// <summary>
/// This method looks for a header in the message.
/// </summary>
/// <param name="e"> The byte message. </param>
private void LookForHeader(ByteMessageEventArgs e)
{
for (int i = 0; i < e.Message.Length; i++)
{
byte[] searchbuffer = this.CopyByte(e.Message, i, 8);
if (this.header.SequenceEqual(searchbuffer))
{
this.fullMessage.AddRange(this.header);
this.headerFound = true;
this.SearchForLength(e, i);
this.GetMessage(e, i, 108);
return;
}
}
}
