public IHttpActionResult Post([FromBody] string message)
{
if (!_settingsManager.UseOldKamailioEvent)
{
if (log.IsTraceEnabled)
{
log.Warn("Receiving event but receiver is not ON for 'UseOldKamailioEvent'");
}
return(Ok());
}
using (new TimeMeasurer("Incoming Kamailio event"))
{
if (string.IsNullOrWhiteSpace(message))
{
log.Warn("Kamailio event controller received empty data");
return(BadRequest());
}
SipMessageBase sipMessage = _kamailioMessageParser.Parse(message);
if (sipMessage == null)
{
log.Warn("Incorrect Kamailio message format: {0}", message);
return(BadRequest());
}
SipEventHandlerResult result = _sipMessageManager.HandleSipMessage(sipMessage);
if (log.IsDebugEnabled)
{
log.Debug("SIP message, Handled: {0}, Parsed: {1}, Result: {2}", message, sipMessage.ToDebugString(), result?.ChangeStatus);
}
if (result == null)
{
log.Warn("Kamailio message was handled but result was null");
}
else if (result.ChangeStatus != SipEventChangeStatus.NothingChanged)
{
_guiHubUpdater.Update(result); // First web gui
_statusHubUpdater.Update(result); // Then codec status to external clients
}
return(Ok());
}
}
/// <summary>
/// Handle incoming SIP message
/// </summary>
/// <param name="sipMessage"></param>
public SipEventHandlerResult HandleSipMessage(SipMessageBase sipMessage)
{
if (log.IsDebugEnabled)
{
log.Debug("Parsed Kamailio Message {0}", sipMessage.ToDebugString());
}
switch (sipMessage)
{
case SipRegistrationMessage regMessage:
{
// Handle registration message
// This is the proper way to unregister
if (regMessage.Expires == 0)
{
return(UnregisterCodec(new SipRegistrationExpireMessage {
SipAddress = regMessage.Sip
}, regMessage.RegType));
}
return(RegisterCodec(regMessage));
}
case SipRegistrationExpireMessage expireMessage:
{
// Handle unregistered expire message
return(UnregisterCodec(expireMessage, null));
}
case SipDialogMessage dialogMessage:
{
// Handle dialog information
return(HandleDialog(dialogMessage));
}
default:
{
log.Info("Unhandled Kamailio message: {0}", sipMessage.ToDebugString());
return(NothingChangedResult);
}
}
}
