public static MyMsrpSession TakeIncomingSession(MySipStack sipStack, MsrpSession session, SipMessage message)
{
MyMsrpSession msrpSession = null;
MediaType mediaType;
SdpMessage sdp = message.getSdpMessage();
String fromUri = message.getSipHeaderValue("f");
if(String.IsNullOrEmpty(fromUri)){
LOG.Error("Invalid fromUri");
return null;
}
if(sdp == null){
LOG.Error("Invalid Sdp content");
return null;
}
String fileSelector = sdp.getSdpHeaderAValue("message", "file-selector");
mediaType = String.IsNullOrEmpty(fileSelector) ? MediaType.Chat : MediaType.FileTransfer;
if (mediaType == MediaType.Chat)
{
msrpSession = MyMsrpSession.CreateIncomingSession(sipStack, session, mediaType, fromUri);
}
else
{
String name = null;
String type = null;
String[] attributes = fileSelector.Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
foreach (String attribute in attributes)
{
String[] avp = attribute.Split(":".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
if (avp.Length >= 2)
{
if (String.Equals(avp[0], "name", StringComparison.InvariantCultureIgnoreCase) && avp[1] != null)
{
name = avp[1].Replace("\"", String.Empty);
}
if (String.Equals(avp[0], "type", StringComparison.InvariantCultureIgnoreCase) && avp[1] != null)
{
type = avp[1];
}
}
}
if (name == null)
{
LOG.Error("Invalid file name");
return null;
}
msrpSession = MyMsrpSession.CreateIncomingSession(sipStack, session, mediaType, fromUri);
msrpSession.filePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), String.Format("{0}/{1}", MyMsrpSession.DESTINATION_FOLDER, name));
msrpSession.fileType = type;
}
return msrpSession;
}
public static MyAVSession TakeIncomingSession(MySipStack sipStack, CallSession session, twrap_media_type_t mediaType, SipMessage sipMessage)
{
MediaType media;
lock (MyAVSession.sessions)
{
switch (mediaType)
{
case twrap_media_type_t.twrap_media_audio:
media = MediaType.Audio;
break;
case twrap_media_type_t.twrap_media_video:
media = MediaType.Video;
break;
case twrap_media_type_t.twrap_media_audiovideo:
media = MediaType.AudioVideo;
break;
default:
return null;
}
MyAVSession avSession = new MyAVSession(sipStack, session, media, InviteState.INCOMING);
if (sipMessage != null)
{
avSession.RemotePartyUri = sipMessage.getSipHeaderValue("f");
}
MyAVSession.sessions.Add(avSession.Id, avSession);
return avSession;
}
}