public static CSeq Parse(string Input)
{
CSeq c = new CSeq();
string pieces = Input.Split(":")[1].TrimStart();
string[] Components = pieces.Split(" ");
if (Components.Length != 2)
{
throw new IndexOutOfRangeException("CSeq requires exactly two components");
}
c.Sequence = int.Parse(Components[0]);
c.Method = (Request.RequestLine.MethodTypes)Enum.Parse(typeof(Request.RequestLine.MethodTypes), Components[1]);
return(c);
}
public override string ToString()
{
StringBuilder sb = new StringBuilder();
sb.Append(Via.ToString());
sb.Append(From.ToString());
sb.Append($"To: <sip:{To.ToString()}>").AppendLine();
sb.Append(CallId.ToString());
sb.Append(CSeq.ToString());
if (!string.IsNullOrEmpty(UserAgent))
{
sb.Append($"User-Agent: {UserAgent}").AppendLine();
}
if (Expires > 0)
{
sb.Append($"Expires: {Expires.ToString()}").AppendLine();
}
if (!string.IsNullOrEmpty(Accept))
{
sb.Append($"Accept: {Accept}").AppendLine();
}
if (!string.IsNullOrEmpty(ContentType))
{
sb.Append($"Content-Type: {ContentType}").AppendLine();
}
if (ContentLength > 0)
{
sb.Append($"Content-Length: {ContentLength.ToString()}").AppendLine();
}
sb.Append($"Max-Forwards: {MaxForwards}").AppendLine();
if (Allow != null && Allow.Count > 0)
{
sb.Append($"Allow: {string.Join(",",Allow)}").AppendLine();
}
if (CustomHeaders.Count() > 0)
{
foreach (KeyValuePair <string, string> Header in CustomHeaders)
{
sb.Append($"X-{Header.Key}: {Header.Value}").AppendLine();
}
}
return(sb.ToString());
}