public static SIPEndPoint ParseSIPEndPoint(string sipEndPointStr)
{
try
{
if (sipEndPointStr.IsNullOrBlank())
{
return(null);
}
if (sipEndPointStr.StartsWith("udp") || sipEndPointStr.StartsWith("tcp") || sipEndPointStr.StartsWith("tls"))
{
return(ParseSerialisedSIPEndPoint(sipEndPointStr));
}
string ipAddress = null;
int port = 0;
SIPProtocolsEnum protocol = SIPProtocolsEnum.udp;
if (sipEndPointStr.StartsWith("sip:"))
{
sipEndPointStr = sipEndPointStr.Substring(4);
}
else if (sipEndPointStr.StartsWith("sips:"))
{
sipEndPointStr = sipEndPointStr.Substring(5);
protocol = SIPProtocolsEnum.tls;
}
int colonIndex = sipEndPointStr.IndexOf(':');
int semiColonIndex = sipEndPointStr.IndexOf(';');
if (colonIndex == -1 && semiColonIndex == -1)
{
ipAddress = sipEndPointStr;
}
else if (colonIndex != -1 && semiColonIndex == -1)
{
ipAddress = sipEndPointStr.Substring(0, colonIndex);
port = Convert.ToInt32(sipEndPointStr.Substring(colonIndex + 1));
}
else
{
if (colonIndex != -1 && colonIndex < semiColonIndex)
{
ipAddress = sipEndPointStr.Substring(0, colonIndex);
port = Convert.ToInt32(sipEndPointStr.Substring(colonIndex + 1, semiColonIndex - colonIndex - 1));
}
else
{
ipAddress = sipEndPointStr.Substring(0, semiColonIndex);
}
if (protocol != SIPProtocolsEnum.tls)
{
sipEndPointStr = sipEndPointStr.Substring(semiColonIndex + 1);
int transportIndex = sipEndPointStr.ToLower().IndexOf(m_transportParameterKey + "=");
if (transportIndex != -1)
{
sipEndPointStr = sipEndPointStr.Substring(transportIndex + 10);
semiColonIndex = sipEndPointStr.IndexOf(';');
if (semiColonIndex != -1)
{
protocol = SIPProtocolsType.GetProtocolType(sipEndPointStr.Substring(0, semiColonIndex));
}
else
{
protocol = SIPProtocolsType.GetProtocolType(sipEndPointStr);
}
}
}
}
if (port == 0)
{
port = (protocol == SIPProtocolsEnum.tls) ? m_defaultSIPTLSPort : m_defaultSIPPort;
}
return(new SIPEndPoint(protocol, IPAddress.Parse(ipAddress), port));
}
catch //(Exception excp)
{
//logger.Error("Exception ParseSIPEndPoint (sipEndPointStr=" + sipEndPointStr + "). " + excp.Message);
throw;
}
}
public static List <SIPChannel> ParseSIPChannelsNode(XmlNode sipChannelsNode, int port = 0)
{
var sipChannels = new List <SIPChannel>();
foreach (XmlNode sipSocketNode in sipChannelsNode.ChildNodes)
{
logger.Debug("Creating SIP Channel for " + sipSocketNode.OuterXml + ".");
var localSocket = sipSocketNode.InnerText;
var protocol = SIPProtocolsEnum.udp;
if (sipSocketNode.Attributes.GetNamedItem(SIP_PROTOCOL_PARAMETER) != null)
{
protocol = SIPProtocolsType.GetProtocolType(sipSocketNode.Attributes.GetNamedItem(SIP_PROTOCOL_PARAMETER).Value);
}
var nodeSIPEndPoints = GetSIPEndPoints(localSocket, protocol, port);
foreach (var sipEndPoint in nodeSIPEndPoints)
{
try
{
switch (protocol)
{
case SIPProtocolsEnum.udp:
{
logger.Debug(" attempting to create SIP UDP channel for " + sipEndPoint.GetIPEndPoint() + ".");
var udpChannel = new SIPUDPChannel(sipEndPoint.GetIPEndPoint());
sipChannels.Add(udpChannel);
}
break;
case SIPProtocolsEnum.tcp:
{
logger.Debug(" attempting to create SIP TCP channel for " + sipEndPoint.GetIPEndPoint() + ".");
var tcpChannel = new SIPTCPChannel(sipEndPoint.GetIPEndPoint());
sipChannels.Add(tcpChannel);
}
break;
case 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
{
var certificateType = "machinestore";
if (sipSocketNode.Attributes.GetNamedItem(CERTIFICATE_TYPE_PARAMETER) != null)
{
certificateType = sipSocketNode.Attributes.GetNamedItem(CERTIFICATE_TYPE_PARAMETER).Value;
}
var certificatePath = (sipSocketNode.Attributes.GetNamedItem(CERTIFICATE_PATH_PARAMETER) != null) ? sipSocketNode.Attributes.GetNamedItem(CERTIFICATE_PATH_PARAMETER).Value : null;
var 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 + ".");
var certificate = LoadCertificate(certificateType, certificatePath, certificateKeyPassword);
if (certificate != null)
{
var 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.");
}
}
break;
default:
logger.Warn("Could not create a SIP channel for protocol " + protocol + ".");
break;
}
}
catch (Exception excp)
{
logger.Warn("Exception SIPTransportConfig Adding SIP Channel for " + sipEndPoint + ". " + excp.Message);
}
}
}
return(sipChannels);
}
/// <summary>
/// Reverses ToString().
/// </summary>
/// <param name="serialisedSIPEndPoint">The serialised SIP end point MUST be in the form protocol:socket and protocol must
/// be exactly 3 characters. Valid examples are udp:10.0.0.1:5060, invalid example is 10.0.0.1:5060.</param>
private static SIPEndPoint ParseSerialisedSIPEndPoint(string serialisedSIPEndPoint)
{
return(new SIPEndPoint(SIPProtocolsType.GetProtocolType(serialisedSIPEndPoint.Substring(0, 3)), IPSocket.ParseSocketString(serialisedSIPEndPoint.Substring(4))));
}