/// <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).");
}
SIP_Hop hop = m_pHops.Dequeue();
SendToFlow(m_pStack.TransportLayer.GetOrCreateFlow(hop.Transport, null, hop.EndPoint),
m_pRequest.Copy());
}
/// <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(GetType().Name);
}
if (request == null)
{
throw new ArgumentNullException("request");
}
if (hop == null)
{
throw new ArgumentNullException("hop");
}
SendRequest(GetOrCreateFlow(hop.Transport, localEP, hop.EndPoint), request);
}