/// <summary>
/// Initializes a new instance of the <see cref="Frame"/> class.
/// </summary>
/// <param name="frame">The frame.</param>
public Frame(Frame frame)
{
this.Content = new List<IContent>(frame.Content);
this.Level = frame.Level;
this.Msoh = new Header(frame.Msoh);
this.Rsoh = new Header(frame.Rsoh);
}
/// <summary>
/// Evaluates the header.
/// </summary>
/// <param name="sdhFrame">The SDH frame.</param>
/// <returns></returns>
public bool evaluateHeader(IFrame sdhFrame)
{
Frame tempFrame = new Frame((Frame)sdhFrame);
tempFrame.Msoh = null;
if (sdhFrame.Msoh != null && (sdhFrame.Msoh.Checksum == BinaryInterleavedParity.GenerateBIP(((Frame)sdhFrame).Content, 21, ((Frame)sdhFrame).Level)))
return true;
else return false;
}
/// <summary>
/// Evaluates the header.
/// </summary>
/// <param name="sdhFrame">The SDH frame.</param>
/// <returns></returns>
public bool evaluateHeader(IFrame sdhFrame)
{
//Remove RSOH header from tempFrame
Frame tempFrame = new Frame((Frame)sdhFrame);
tempFrame.Rsoh = null;
//Check BIP
if (sdhFrame.Rsoh != null && sdhFrame.Rsoh.Checksum == BinaryInterleavedParity.GenerateBIP(((Frame)tempFrame), 8))
return true;
else return false;
}
/// <summary>
/// Builds the frame from JSON text
/// </summary>
/// <param name="textFrame">The text of JSON frame.</param>
/// <returns></returns>
public IFrame BuildFrame(String textFrame)
{
metadata = JObject.Parse(textFrame);
StmLevel frameLevel = StmLevel.STM1;
if (metadata["Level"] != null)
{
frameLevel = FrameBuilder.getStmLevel(metadata["Level"]);
}
Frame returnFrame = new Frame(frameLevel);
if (metadata["Msoh"].HasValues)
returnFrame.Msoh = (Header)FrameBuilder.EvaluateContent((JObject)metadata["Msoh"]);
if (metadata["Rsoh"].HasValues)
returnFrame.Rsoh = (Header)FrameBuilder.EvaluateContent((JObject)metadata["Rsoh"]);
if (FrameBuilder.isJArray(metadata["Content"]))
{
returnFrame.Content = FrameBuilder.evaluateContents((JArray)metadata["Content"]);
}
else return null;
return returnFrame;
}
/// <summary>
/// Generates the BIP checksum from content.
/// </summary>
/// <param name="content">The content.</param>
/// <param name="blockCount">The block count.</param>
/// <param name="level">The level.</param>
/// <returns></returns>
public static string GenerateBIP(List<IContent> content, int blockCount, StmLevel level)
{
Frame bipFrame = new Frame(level);
bipFrame.Content = new List<IContent>(content);
return BinaryInterleavedParity.GenerateBIP(bipFrame, blockCount);
}
