/// <summary>
/// Compares the <b>CSeq</b> header in this message with the message
/// passed.
/// </summary>
/// <param name="message">The message to be compared.</param>
/// <returns><c>true</c> if both headers have <b>CSeq</b> headers and their values match.</returns>
public bool MatchCSeq(SipMessage message)
{
var v1 = this.GetHeader <SipCSeqValue>(SipHeader.CSeq);
var v2 = message.GetHeader <SipCSeqValue>(SipHeader.CSeq);
if (v1 == null || v2 == null)
{
return(false);
}
return(v1.Number == v2.Number && v1.Method == v2.Method);
}
/// <summary>
/// Generates a diagnostic trace of the message passed.
/// </summary>
/// <param name="title">The trace title.</param>
/// <param name="message">The message.</param>
public static void Trace(string title, SipMessage message)
{
StringBuilder sb = new StringBuilder(1024);
SipRequest request;
SipResponse response;
string summary;
string contentType;
SipCSeqValue vCSeq;
string cseqMethod;
string cseqNumber;
vCSeq = message.GetHeader <SipCSeqValue>(SipHeader.CSeq);
if (vCSeq == null)
{
cseqMethod = "????";
cseqNumber = "CSeq:????";
}
else
{
cseqMethod = vCSeq.Method;
cseqNumber = "CSeq:" + vCSeq.Number.ToString();
}
request = message as SipRequest;
if (request != null)
{
summary = string.Format("{0} Request: {1} {2}", request.MethodText, request.Uri, cseqNumber);
}
else
{
response = (SipResponse)message;
summary = string.Format("{0} Response: {1} ({2}) {3}", cseqMethod, response.StatusCode, response.ReasonPhrase, cseqNumber);
}
sb.AppendLine(title);
sb.AppendLine();
sb.Append(message.ToString());
contentType = message.GetHeaderText(SipHeader.ContentType);
if (message.ContentLength > 0 && message.HasContentType(SipHelper.SdpMimeType))
{
sb.AppendLine(Helper.FromUTF8(message.Contents));
}
else
{
sb.AppendLine(Helper.HexDump(message.Contents, 16, HexDumpOption.ShowAll));
}
NetTrace.Write(SipHelper.TraceSubsystem, 0, "SIP: " + title, summary, sb.ToString());
}