/// <summary>
/// Starts sending request to next hop in queue.
/// </summary>
/// <exception cref="InvalidOperationException">Is raised when no next hop available(m_pHops.Count == 0) and this method is accessed.</exception>
private void SendToNextHop()
{
if (m_pHops.Count == 0)
{
throw new InvalidOperationException("No more hop(s).");
}
try{
SIP_Hop hop = m_pHops.Dequeue();
SendToFlow(m_pStack.TransportLayer.GetOrCreateFlow(hop.Transport, null, hop.EndPoint), m_pRequest.Copy());
}
catch (ObjectDisposedException x) {
// Skip all exceptions if owner stack is disposed.
if (m_pStack.State != SIP_StackState.Disposed)
{
throw x;
}
}
}
/// <summary>
/// Sends request to the specified hop.
/// </summary>
/// <param name="request">SIP request.</param>
/// <param name="localEP">Local end point. Value null means system will allocate it.</param>
/// <param name="hop">Target hop.</param>
/// <exception cref="ObjectDisposedException">Is raised when this object is disposed and and this method is accessed.</exception>
/// <exception cref="ArgumentNullException">Is raised when <b>request</b> or <b>hop</b> is null reference.</exception>
public void SendRequest(SIP_Request request,IPEndPoint localEP,SIP_Hop hop)
{
if(m_IsDisposed){
throw new ObjectDisposedException(this.GetType().Name);
}
if(request == null){
throw new ArgumentNullException("request");
}
if(hop == null){
throw new ArgumentNullException("hop");
}
SendRequest(GetOrCreateFlow(hop.Transport,localEP,hop.EndPoint),request);
}