private static bool HaveSameReferenceNumber(SmsPdu pdu1, SmsPdu pdu2)
{
bool flag = false;
if (SmartMessageDecoder.IsPartOfConcatMessage(pdu1) && SmartMessageDecoder.IsPartOfConcatMessage(pdu2))
{
IConcatenationInfo concatenationInfo = SmartMessageDecoder.GetConcatenationInfo(pdu1);
IConcatenationInfo concatenationInfo1 = SmartMessageDecoder.GetConcatenationInfo(pdu2);
if (concatenationInfo.ReferenceNumber == concatenationInfo1.ReferenceNumber)
{
flag = true;
}
}
return(flag);
}
private static SortedList <IConcatenationInfo, SmsPdu> SortConcatMessageParts(IList <SmsPdu> parts)
{
IConcatenationInfo concatenationInfo;
IConcatenationInfo concatenationInfo1 = null;
SortedList <IConcatenationInfo, SmsPdu> concatenationInfos = new SortedList <IConcatenationInfo, SmsPdu>(new ConcatInfoComparer());
foreach (SmsPdu part in parts)
{
if (concatenationInfo1 != null)
{
if (!SmartMessageDecoder.IsPartOfConcatMessage(part))
{
throw new ArgumentException("A non-concatenated message part is present at an invalid position.", "parts");
}
else
{
concatenationInfo = SmartMessageDecoder.GetConcatenationInfo(part);
if (concatenationInfo1.ReferenceNumber == concatenationInfo.ReferenceNumber)
{
if (concatenationInfo1.TotalMessages != concatenationInfo.TotalMessages)
{
throw new ArgumentException("The number of total messages differs between the message parts.", "parts");
}
}
else
{
throw new ArgumentException("The reference numbers differ between the message parts.", "parts");
}
}
}
else
{
concatenationInfo = SmartMessageDecoder.GetConcatenationInfo(part);
}
concatenationInfos.Add(concatenationInfo, part);
concatenationInfo1 = concatenationInfo;
}
return(concatenationInfos);
}
/// <summary>
/// Determines whether a message is part of a concatenated message.
/// </summary>
/// <param name="pdu">The message.</param>
/// <returns>true if the message is part of a concatenated message, false otherwise.</returns>
public static bool IsPartOfConcatMessage(SmsPdu pdu)
{
return(SmartMessageDecoder.GetConcatenationInfo(pdu) != null);
}