//[Fact]
public async void LookupAnyRecordAsyncCacheTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
//1.queue dns lookup for async resolution
//DNSResponse result = DNSManager.Lookup("dns.google", QType.ANY, 1, null, false, true);
var nonCacheResult = SIPDns.LookupClient.QueryAsync("dns.google", QueryType.ANY);
Assert.False(nonCacheResult.IsCompleted);
System.Threading.Thread.Sleep(500);
//2.check lookup / resolution cache for result
//result = DNSManager.Lookup("dns.google", QType.ANY, 150, null, true, false);
var result = await SIPDns.LookupClient.QueryAsync("dns.google", QueryType.ANY);
Assert.NotNull(result);
Assert.NotEmpty(result.Answers?.AddressRecords());
var ipv4Addresses = from a in result.Answers?.AddressRecords() select a.Address;
Assert.NotEmpty(ipv4Addresses);
Assert.Contains(IPSocket.ParseSocketString("8.8.8.8").Address, ipv4Addresses);
Assert.Contains(IPSocket.ParseSocketString("8.8.4.4").Address, ipv4Addresses);
Assert.NotEmpty(result.Answers?.AaaaRecords());
var ipv6Addresses = from a in result.Answers?.AaaaRecords() select a.Address;
Assert.NotEmpty(ipv6Addresses);
Assert.Contains(IPSocket.ParseSocketString("2001:4860:4860::8888").Address, ipv6Addresses);
Assert.Contains(IPSocket.ParseSocketString("2001:4860:4860::8844").Address, ipv6Addresses);
}
public static List <IPEndPoint> ParseIPSockets(XmlNode socketNodes)
{
List <IPEndPoint> endPoints = new List <IPEndPoint>();
List <IPAddress> localAddresses = GetLocalIPv4Addresses();
foreach (XmlNode socketNode in socketNodes.ChildNodes)
{
string socketString = socketNode.InnerText;
Logger.Logger.Debug("Parsing end point from socket string " + socketString + ".");
int port = IPSocket.ParsePortFromSocket(socketString);
if (socketString.StartsWith(ALL_LOCAL_IPADDRESSES_KEY))
{
foreach (IPAddress ipAddress in localAddresses)
{
endPoints.Add(new IPEndPoint(ipAddress, port));
}
}
else
{
endPoints.Add(IPSocket.ParseSocketString(socketString));
}
}
return(endPoints);
}
public void LookupAnyRecordAsyncCacheTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
//1.queue dns lookup for async resolution
DNSResponse result = DNSManager.Lookup("dns.google", QType.ANY, 1, null, false, true);
Assert.Null(result);
System.Threading.Thread.Sleep(500);
//2.check lookup / resolution cache for result
result = DNSManager.Lookup("dns.google", QType.ANY, 150, null, true, false);
Assert.NotNull(result);
Assert.NotEmpty(result.RecordsA);
var ipv4Addresses = from a in result.RecordsA select a.Address;
Assert.NotEmpty(ipv4Addresses);
Assert.Contains(IPSocket.ParseSocketString("8.8.8.8").Address, ipv4Addresses);
Assert.Contains(IPSocket.ParseSocketString("8.8.4.4").Address, ipv4Addresses);
Assert.NotEmpty(result.RecordsAAAA);
var ipv6Addresses = from a in result.RecordsAAAA select a.Address;
Assert.NotEmpty(ipv6Addresses);
Assert.Contains(IPSocket.ParseSocketString("2001:4860:4860::8888").Address, ipv6Addresses);
Assert.Contains(IPSocket.ParseSocketString("2001:4860:4860::8844").Address, ipv6Addresses);
}
//[Fact]
public async void LookupAnyRecordTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
//DNSResponse result = DNSManager.Lookup("dns.google", QType.ANY, 100, null, false, false);
var result = await SIPDns.LookupClient.QueryAsync("dns.google", QueryType.ANY);
Assert.NotNull(result);
//Assert.NotEmpty(result.RecordsA);
Assert.NotEmpty(result.Answers?.AddressRecords());
var ipv4Addresses = from a in result.Answers.AddressRecords() select a.Address;
Assert.NotEmpty(ipv4Addresses);
Assert.Contains(IPSocket.ParseSocketString("8.8.8.8").Address, ipv4Addresses);
Assert.Contains(IPSocket.ParseSocketString("8.8.4.4").Address, ipv4Addresses);
Assert.NotEmpty(result.Answers?.AaaaRecords());
var ipv6Addresses = from a in result.Answers.AaaaRecords() select a.Address;
Assert.NotEmpty(ipv6Addresses);
Assert.Contains(IPSocket.ParseSocketString("2001:4860:4860::8888").Address, ipv6Addresses);
Assert.Contains(IPSocket.ParseSocketString("2001:4860:4860::8844").Address, ipv6Addresses);
}
public static NetTestDescriptor ParseNetTestDescriptor(string description)
{
try
{
if (description == null || description.Trim().Length == 0)
{
Logger.Logger.Error("Cannot parse NetTestDescriptor from an empty string.");
return(null);
}
else
{
int numberChannels = Convert.ToInt32(Regex.Match(description, @"channels=(?<channels>\d+)",
RegexOptions.IgnoreCase | RegexOptions.Singleline).Result("${channels}"));
int frameSize = Convert.ToInt32(Regex.Match(description, @"frame=(?<frame>\d+)",
RegexOptions.IgnoreCase | RegexOptions.Singleline).Result("${frame}"));
int payloadSize = Convert.ToInt32(Regex.Match(description, @"payload=(?<payload>\d+)",
RegexOptions.IgnoreCase | RegexOptions.Singleline).Result("${payload}"));
string socketStr = Regex.Match(description, @"socket=(?<socket>.+?)(\s|$)",
RegexOptions.IgnoreCase | RegexOptions.Singleline).Result("${socket}");
NetTestDescriptor descriptor = new NetTestDescriptor(numberChannels, frameSize, payloadSize,
IPSocket.ParseSocketString(socketStr));
return(descriptor);
}
}
catch (Exception excp)
{
Logger.Logger.Error("Exception ParseNetTestDescriptor. ->" + excp.Message);
throw excp;
}
}
public SIPEndPoint(SIPURI sipURI)
{
Protocol = sipURI.Protocol;
IPEndPoint endPoint = IPSocket.ParseSocketString(sipURI.Host);
Address = endPoint.Address;
Port = (endPoint.Port == 0) ? (Protocol == SIPProtocolsEnum.tls) ? m_defaultSIPTLSPort : m_defaultSIPPort : endPoint.Port;
}
static SIPRegistrarState()
{
try
{
#region Configure logging.
try
{
log4net.Config.XmlConfigurator.Configure();
logger = log4net.LogManager.GetLogger(LOGGER_NAME);
}
catch (Exception logExcp)
{
Console.WriteLine("Exception SIPRegistrarState Configure Logging. " + logExcp.Message);
}
#endregion
if (AppState.GetSection(SIPREGISTRAR_CONFIGNODE_NAME) != null)
{
m_sipRegistrarNode = (XmlNode)AppState.GetSection(SIPREGISTRAR_CONFIGNODE_NAME);
}
if (m_sipRegistrarNode == null)
{
//throw new ApplicationException("The SIP Registrar could not be started, no " + SIPREGISTRAR_CONFIGNODE_NAME + " config node available.");
logger.Warn("The SIP Registrar " + SIPREGISTRAR_CONFIGNODE_NAME + " config node was not available, the agent will not be able to start.");
}
else
{
SIPRegistrarSocketsNode = m_sipRegistrarNode.SelectSingleNode(SIPSOCKETS_CONFIGNODE_NAME);
if (SIPRegistrarSocketsNode == null)
{
throw new ApplicationException("The SIP Registrar could not be started, no " + SIPSOCKETS_CONFIGNODE_NAME + " node could be found.");
}
UserAgentsConfigNode = m_sipRegistrarNode.SelectSingleNode(USERAGENTS_CONFIGNODE_NAME);
Int32.TryParse(AppState.GetConfigNodeValue(m_sipRegistrarNode, MONITOR_LOOPBACK_PORT_KEY), out MonitorLoopbackPort);
Int32.TryParse(AppState.GetConfigNodeValue(m_sipRegistrarNode, MAXIMUM_ACCOUNT_BINDINGS_KEY), out MaximumAccountBindings);
if (!AppState.GetConfigNodeValue(m_sipRegistrarNode, NATKEEPALIVE_RELAY_SOCKET).IsNullOrBlank())
{
NATKeepAliveRelaySocket = IPSocket.ParseSocketString(AppState.GetConfigNodeValue(m_sipRegistrarNode, NATKEEPALIVE_RELAY_SOCKET));
}
//SwitchboardCertificateName = AppState.GetConfigNodeValue(m_sipRegistrarNode, SWITCHBOARD_CERTIFICATE_NAME_KEY);
SwitchboardUserAgentPrefix = AppState.GetConfigNodeValue(m_sipRegistrarNode, SWITCHBOARD_USERAGNET_PREFIX_KEY);
if (!AppState.GetConfigNodeValue(m_sipRegistrarNode, THREAD_COUNT_KEY).IsNullOrBlank())
{
Int32.TryParse(AppState.GetConfigNodeValue(m_sipRegistrarNode, THREAD_COUNT_KEY), out ThreadCount);
}
}
}
catch (Exception excp)
{
logger.Error("Exception SIPRegistrarState. " + excp.Message);
throw;
}
}
public SIPMonitorUDPSink(string udpSocket)
{
logger.Debug("Request to create SIPMonitorUDPSink on " + udpSocket + ".");
m_monitorProxyManager = new MonitorProxyManager();
m_eventReceiverEndPoint = IPSocket.ParseSocketString(udpSocket);
ThreadPool.QueueUserWorkItem(delegate { Listen(); });
}
private void SendMonitorEventViaUDP(SIPMonitorEvent monitorEvent, string destinationSocket)
{
try
{
byte[] monitorEventBytes = Encoding.UTF8.GetBytes(monitorEvent.ToCSV());
m_udpEventSender.Send(monitorEventBytes, monitorEventBytes.Length, IPSocket.ParseSocketString(destinationSocket));
}
catch (Exception excp)
{
logger.Error("Exception SendMonitorEventViaUDP. " + excp.Message);
}
}
/// <summary>
/// Initialises the SIP transport layer.
/// </summary>
public async Task InitialiseSIP()
{
if (_isIntialised == false)
{
await Task.Run(() =>
{
_isIntialised = true;
if (String.IsNullOrEmpty(m_DnsServer) == false)
{
// Use a custom DNS server.
m_DnsServer = m_DnsServer.Contains(":") ? m_DnsServer : m_DnsServer + ":53";
DNSManager.SetDNSServers(new List <IPEndPoint> {
IPSocket.ParseSocketString(m_DnsServer)
});
}
// Configure the SIP transport layer.
m_sipTransport = new SIPTransport(SIPDNSManager.ResolveSIPService, new SIPTransactionEngine());
bool sipChannelAdded = false;
if (m_sipSocketsNode != null)
{
// Set up the SIP channels based on the app.config file.
List <SIPChannel> sipChannels = SIPTransportConfig.ParseSIPChannelsNode(m_sipSocketsNode);
if (sipChannels?.Count > 0)
{
m_sipTransport.AddSIPChannel(sipChannels);
sipChannelAdded = true;
}
}
if (sipChannelAdded == false)
{
// Use default options to set up a SIP channel.
int port = FreePort.FindNextAvailableUDPPort(_defaultSIPUdpPort);
var sipChannel = new SIPUDPChannel(new IPEndPoint(_defaultLocalAddress, port));
m_sipTransport.AddSIPChannel(sipChannel);
}
});
// Wire up the transport layer so incoming SIP requests have somewhere to go.
m_sipTransport.SIPTransportRequestReceived += SIPTransportRequestReceived;
// Log all SIP packets received to a log file.
m_sipTransport.SIPRequestInTraceEvent += (localSIPEndPoint, endPoint, sipRequest) => { _sipTraceLogger.Debug("Request Received : " + localSIPEndPoint + "<-" + endPoint + "\r\n" + sipRequest.ToString()); };
m_sipTransport.SIPRequestOutTraceEvent += (localSIPEndPoint, endPoint, sipRequest) => { _sipTraceLogger.Debug("Request Sent: " + localSIPEndPoint + "->" + endPoint + "\r\n" + sipRequest.ToString()); };
m_sipTransport.SIPResponseInTraceEvent += (localSIPEndPoint, endPoint, sipResponse) => { _sipTraceLogger.Debug("Response Received: " + localSIPEndPoint + "<-" + endPoint + "\r\n" + sipResponse.ToString()); };
m_sipTransport.SIPResponseOutTraceEvent += (localSIPEndPoint, endPoint, sipResponse) => { _sipTraceLogger.Debug("Response Sent: " + localSIPEndPoint + "->" + endPoint + "\r\n" + sipResponse.ToString()); };
}
}
private IPEndPoint ResolveSIPSocketInternal(string socket)
{
logger.Debug("Attempting to resolve SIP socket " + socket + ".");
if (socket == null || socket.Trim().Length == 0)
{
logger.Warn("An empty socket string was passed to the DNSResolver.");
return(null);
}
int port = DEFAULT_SIP_PORT;
string hostname = socket;
int colonIndex = socket.LastIndexOf(":");
if (colonIndex != -1)
{
port = Convert.ToInt32(socket.Substring(colonIndex + 1));
hostname = socket.Substring(0, colonIndex);
}
DateTime startTime = DateTime.Now;
IPHostEntry serverEntry = Dns.GetHostEntry(hostname);
TimeSpan resolveTime = DateTime.Now.Subtract(startTime);
if (serverEntry != null)
{
IPAddress address = ((IPAddress[])serverEntry.AddressList)[0];
if (resolveTime.TotalMilliseconds > 20)
{
logger.Debug("Hostname " + hostname + " resolved to " + address.ToString() + " in " + resolveTime.TotalMilliseconds + "ms.");
}
return(IPSocket.ParseSocketString(address.ToString() + ":" + port));
}
else
{
//throw new ApplicationException("Could not resolve " + socket + ".");
return(null);
}
}
public void LookupAnyRecordTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
DNSResponse result = DNSManager.Lookup("dns.google", QType.ANY, 100, null, false, false);
Assert.NotNull(result);
Assert.NotEmpty(result.RecordsA);
var ipv4Addresses = from a in result.RecordsA select a.Address;
Assert.NotEmpty(ipv4Addresses);
Assert.Contains(IPSocket.ParseSocketString("8.8.8.8").Address, ipv4Addresses);
Assert.Contains(IPSocket.ParseSocketString("8.8.4.4").Address, ipv4Addresses);
Assert.NotEmpty(result.RecordsAAAA);
var ipv6Addresses = from a in result.RecordsAAAA select a.Address;
Assert.NotEmpty(ipv6Addresses);
Assert.Contains(IPSocket.ParseSocketString("2001:4860:4860::8888").Address, ipv6Addresses);
Assert.Contains(IPSocket.ParseSocketString("2001:4860:4860::8844").Address, ipv6Addresses);
}
public static readonly string PublicIPAddress; // Should only be set if operating on a static public IP otherwise use the STUN client.
static SIPProxyState()
{
try
{
logger = AppState.GetLogger(LOGGER_NAME);
if (AppState.GetSection(SIPPROXY_CONFIGNODE_NAME) != null)
{
m_sipProxyNode = (XmlNode)AppState.GetSection(SIPPROXY_CONFIGNODE_NAME);
}
else
{
throw new ApplicationException("The SIP Proxy could not be started, no " + SIPPROXY_CONFIGNODE_NAME + " config node available.");
}
SIPProxySocketsNode = m_sipProxyNode.SelectSingleNode(SIPSOCKETS_CONFIGNODE_NAME);
if (SIPProxySocketsNode == null)
{
throw new ApplicationException("The SIP Proxy could not be started, no " + SIPSOCKETS_CONFIGNODE_NAME + " node could be found.");
}
ProxyScriptPath = AppState.ToAbsoluteFilePath(AppState.GetConfigNodeValue(m_sipProxyNode, PROXY_SCRIPTPATH_KEY));
AppServerEndPointsPath = AppState.ToAbsoluteFilePath(AppState.GetConfigNodeValue(m_sipProxyNode, PROXY_APPSERVER_ENDPOINTS_PATH_KEY));
if (!AppState.GetConfigNodeValue(m_sipProxyNode, PROXY_NATKEEPALIVESOCKET_KEY).IsNullOrBlank())
{
NATKeepAliveSocket = IPSocket.ParseSocketString(AppState.GetConfigNodeValue(m_sipProxyNode, PROXY_NATKEEPALIVESOCKET_KEY));
}
Int32.TryParse(AppState.GetConfigNodeValue(m_sipProxyNode, PROXY_LOOPBACK_PORT_KEY), out MonitorLoopbackPort);
STUNServerHostname = AppState.GetConfigNodeValue(m_sipProxyNode, PROXY_STUNSERVERHOSTNAME_KEY);
PublicIPAddress = AppState.GetConfigNodeValue(m_sipProxyNode, PROXY_PUBLICIPADDRESS_KEY);
}
catch (Exception excp)
{
logger.Error("Exception SIPProxyState. " + excp.Message);
throw;
}
}
public static SIPDNSLookupResult Resolve(SIPURI sipURI, bool async)
{
// This assumes the input SIP URI has an IP address as the host!
return(new SIPDNSLookupResult(sipURI, new SIPEndPoint(IPSocket.ParseSocketString(sipURI.Host))));
}
/// <summary>
/// Initialises the SIP transport layer.
/// </summary>
public async Task InitialiseSIP()
{
if (_isInitialised == false)
{
await Task.Run(() =>
{
_isInitialised = true;
if (String.IsNullOrEmpty(m_DnsServer) == false)
{
// Use a custom DNS server.
m_DnsServer = m_DnsServer.Contains(":") ? m_DnsServer : m_DnsServer + ":53";
DNSManager.SetDNSServers(new List <IPEndPoint> {
IPSocket.ParseSocketString(m_DnsServer)
});
}
// Configure the SIP transport layer.
SIPTransport = new SIPTransport();
bool sipChannelAdded = false;
if (m_sipSocketsNode != null)
{
// Set up the SIP channels based on the app.config file.
List <SIPChannel> sipChannels = SIPTransportConfig.ParseSIPChannelsNode(m_sipSocketsNode);
if (sipChannels?.Count > 0)
{
SIPTransport.AddSIPChannel(sipChannels);
sipChannelAdded = true;
}
}
if (sipChannelAdded == false)
{
// Use default options to set up a SIP channel.
SIPUDPChannel udpChannel = null;
try
{
udpChannel = new SIPUDPChannel(new IPEndPoint(IPAddress.Any, SIP_DEFAULT_PORT));
}
catch (SocketException bindExcp)
{
logger.Warn($"Socket exception attempting to bind UDP channel to port {SIP_DEFAULT_PORT}, will use random port. {bindExcp.Message}.");
udpChannel = new SIPUDPChannel(new IPEndPoint(IPAddress.Any, 0));
}
var tcpChannel = new SIPTCPChannel(new IPEndPoint(IPAddress.Any, udpChannel.Port));
SIPTransport.AddSIPChannel(new List <SIPChannel> {
udpChannel, tcpChannel
});
}
});
// Wire up the transport layer so incoming SIP requests have somewhere to go.
SIPTransport.SIPTransportRequestReceived += SIPTransportRequestReceived;
// Log all SIP packets received to a log file.
SIPTransport.SIPRequestInTraceEvent += SIPRequestInTraceEvent;
SIPTransport.SIPRequestOutTraceEvent += SIPRequestOutTraceEvent;
SIPTransport.SIPResponseInTraceEvent += SIPResponseInTraceEvent;
SIPTransport.SIPResponseOutTraceEvent += SIPResponseOutTraceEvent;
}
}
/// <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))));
}
