/// <summary>
/// Create an instance of a DSMCC message.
/// </summary>
/// <param name="dsmccHeader">The header of the message.</param>
/// <param name="byteData">The MPEG2 data block that contains the message.</param>
/// <returns>An instance of the appropriate DSMCC message class.</returns>
public static DSMCCMessage CreateInstance(DSMCCHeader dsmccHeader, byte[] byteData)
{
DSMCCMessage dsmccMessage;
switch (dsmccHeader.MessageID)
{
case DSMCCDownloadDataBlock.MessageIDDownloadDataBlock:
dsmccMessage = new DSMCCDownloadDataBlock(dsmccHeader);
break;
case DSMCCDownloadInfoIndication.MessageIDDownloadInfoIndication:
dsmccMessage = new DSMCCDownloadInfoIndication(dsmccHeader);
break;
case DSMCCDownloadServerInitiate.MessageIDDownloadServerInitiate:
dsmccMessage = new DSMCCDownloadServerInitiate(dsmccHeader);
break;
case DSMCCDownloadCancel.MessageIDDownloadCancel:
dsmccMessage = new DSMCCDownloadCancel(dsmccHeader);
break;
default:
throw (new ArgumentException("The DSMCC message ID is out of range"));
}
dsmccMessage.Process(byteData, dsmccHeader.Index);
return(dsmccMessage);
}
/// <summary>
/// Create an instance of a DSMCC message.
/// </summary>
/// <param name="dsmccHeader">The header of the message.</param>
/// <param name="byteData">The MPEG2 data block that contains the message.</param>
/// <returns>An instance of the appropriate DSMCC message class.</returns>
public static DSMCCMessage CreateInstance(DSMCCHeader dsmccHeader, byte[] byteData)
{
DSMCCMessage dsmccMessage;
switch (dsmccHeader.MessageID)
{
case DSMCCDownloadDataBlock.MessageIDDownloadDataBlock:
dsmccMessage = new DSMCCDownloadDataBlock(dsmccHeader);
break;
case DSMCCDownloadInfoIndication.MessageIDDownloadInfoIndication:
dsmccMessage = new DSMCCDownloadInfoIndication(dsmccHeader);
break;
case DSMCCDownloadServerInitiate.MessageIDDownloadServerInitiate:
dsmccMessage = new DSMCCDownloadServerInitiate(dsmccHeader);
break;
case DSMCCDownloadCancel.MessageIDDownloadCancel:
dsmccMessage = new DSMCCDownloadCancel(dsmccHeader);
break;
default:
throw (new ArgumentException("The DSMCC message ID is out of range"));
}
dsmccMessage.Process(byteData, dsmccHeader.Index);
return (dsmccMessage);
}
private void addModules(DSMCCDownloadInfoIndication diiMessage)
{
foreach (DSMCCDownloadInfoIndicationModule module in diiMessage.ModuleList)
checkAddModule(module);
}
private bool addDIIMessage(DSMCCDownloadInfoIndication newMessage)
{
foreach (DSMCCDownloadInfoIndication oldMessage in diiMessages)
{
if (oldMessage.DownloadID == newMessage.DownloadID)
{
if (oldMessage.DSMCCHeader.TransactionID.Identification == newMessage.DSMCCHeader.TransactionID.Identification)
{
if (oldMessage.DSMCCHeader.TransactionID.Version == newMessage.DSMCCHeader.TransactionID.Version)
return (false);
else
{
if (Logger.ProtocolLogger != null)
Logger.ProtocolLogger.Write("DII Message version change (" +
oldMessage.DSMCCHeader.TransactionID.Version + " -> " +
newMessage.DSMCCHeader.TransactionID.Version + ") - removing modules");
diiMessages.Remove(oldMessage);
removeModules(oldMessage);
diiMessages.Add(newMessage);
newMessage.LogMessage();
addModules(newMessage);
return (true);
}
}
else
{
diiMessages.Add(newMessage);
newMessage.LogMessage();
addModules(newMessage);
return (true);
}
}
}
diiMessages.Add(newMessage);
newMessage.LogMessage();
addModules(newMessage);
return (true);
}
