public static List<SIPChannel> ParseSIPChannelsNode(XmlNode sipChannelsNode)
{
List<SIPChannel> sipChannels = new List<SIPChannel>();
foreach (XmlNode sipSocketNode in sipChannelsNode.ChildNodes)
{
logger.Debug("Creating SIP Channel for " + sipSocketNode.OuterXml + ".");
string localSocket = sipSocketNode.InnerText;
SIPProtocolsEnum protocol = SIPProtocolsEnum.udp;
if (sipSocketNode.Attributes.GetNamedItem(SIP_PROTOCOL_PARAMETER) != null)
{
protocol = SIPProtocolsType.GetProtocolType(sipSocketNode.Attributes.GetNamedItem(SIP_PROTOCOL_PARAMETER).Value);
}
List<SIPEndPoint> nodeSIPEndPoints = GetSIPEndPoints(localSocket, protocol);
foreach (SIPEndPoint sipEndPoint in nodeSIPEndPoints)
{
try
{
if (protocol == SIPProtocolsEnum.udp)
{
logger.Debug(" attempting to create SIP UDP channel for " + sipEndPoint.GetIPEndPoint() + ".");
SIPUDPChannel udpChannel = new SIPUDPChannel(sipEndPoint.GetIPEndPoint());
sipChannels.Add(udpChannel);
}
else if (protocol == SIPProtocolsEnum.tcp)
{
logger.Debug(" attempting to create SIP TCP channel for " + sipEndPoint.GetIPEndPoint() + ".");
SIPTCPChannel tcpChannel = new SIPTCPChannel(sipEndPoint.GetIPEndPoint());
sipChannels.Add(tcpChannel);
}
else if (protocol == SIPProtocolsEnum.tls)
{
if (sipSocketNode.Attributes.GetNamedItem(CERTIFICATE_PATH_PARAMETER) == null)
{
logger.Warn("Could not create SIPTLSChannel from XML configuration node as no " + CERTIFICATE_PATH_PARAMETER + " attribute was present.");
}
else
{
string certificateType = "machinestore";
if (sipSocketNode.Attributes.GetNamedItem(CERTIFICATE_TYPE_PARAMETER) != null)
{
certificateType = sipSocketNode.Attributes.GetNamedItem(CERTIFICATE_TYPE_PARAMETER).Value;
}
string certificatePath = (sipSocketNode.Attributes.GetNamedItem(CERTIFICATE_PATH_PARAMETER) != null) ? sipSocketNode.Attributes.GetNamedItem(CERTIFICATE_PATH_PARAMETER).Value : null;
string certificateKeyPassword = (sipSocketNode.Attributes.GetNamedItem(CERTIFICATE_KEY_PASSWORD_PARAMETER) != null) ? sipSocketNode.Attributes.GetNamedItem(CERTIFICATE_KEY_PASSWORD_PARAMETER).Value : String.Empty;
logger.Debug(" attempting to create SIP TLS channel for " + sipEndPoint.GetIPEndPoint() + " and certificate type of " + certificateType + " at " + certificatePath + ".");
X509Certificate2 certificate = LoadCertificate(certificateType, certificatePath, certificateKeyPassword);
if (certificate != null)
{
SIPTLSChannel tlsChannel = new SIPTLSChannel(certificate, sipEndPoint.GetIPEndPoint());
sipChannels.Add(tlsChannel);
}
else
{
logger.Warn("A SIP TLS channel was not created because the certificate could not be loaded.");
}
}
}
else
{
logger.Warn("Could not create a SIP channel for protocol " + protocol + ".");
}
}
catch (Exception excp)
{
logger.Warn("Exception SIPTransportConfig Adding SIP Channel for " + sipEndPoint.ToString() + ". " + excp.Message);
}
}
}
return sipChannels;
}
