public void IPv4TlsLoopbackSendReceiveTest()
{
CancellationTokenSource cancelServer = new CancellationTokenSource();
TaskCompletionSource <bool> testComplete = new TaskCompletionSource <bool>();
Assert.IsTrue(File.Exists(@"certs\localhost.pfx"), "The TLS transport channel test was missing the localhost.pfx certificate file.");
var serverCertificate = new X509Certificate2(@"certs\localhost.pfx", "");
var verifyCert = serverCertificate.Verify();
logger.LogDebug("Server Certificate loaded from file, Subject=" + serverCertificate.Subject + ", valid=" + verifyCert + ".");
var serverChannel = new SIPTLSChannel(serverCertificate, IPAddress.Loopback, 8060);
serverChannel.DisableLocalTCPSocketsCheck = true;
var clientChannel = new SIPTLSChannel(serverCertificate, IPAddress.Loopback, 8061);
clientChannel.DisableLocalTCPSocketsCheck = true;
var serverTask = Task.Run(() => { RunServer(serverChannel, cancelServer); });
var clientTask = Task.Run(async() => { await RunClient(clientChannel, new SIPURI(SIPSchemesEnum.sips, serverChannel.SIPChannelEndPoint), testComplete); });
Task.WhenAny(new Task[] { serverTask, clientTask, Task.Delay(3000) }).Wait();
if (testComplete.Task.IsCompleted == false)
{
// The client did not set the completed signal. This means the delay task must have completed and hence the test failed.
testComplete.SetResult(false);
}
Assert.IsTrue(testComplete.Task.Result);
cancelServer.Cancel();
}
public void IPv6TlsLoopbackSendReceiveTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
if (!Socket.OSSupportsIPv6)
{
logger.LogDebug("Test skipped as OS does not support IPv6.");
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
logger.LogDebug("Test skipped as MacOS is not able to load certificates from a .pfx file pre .NET Core 5.0.");
}
else
{
ManualResetEventSlim serverReadyEvent = new ManualResetEventSlim(false);
CancellationTokenSource cancelServer = new CancellationTokenSource();
TaskCompletionSource <bool> testComplete = new TaskCompletionSource <bool>(TaskCreationOptions.RunContinuationsAsynchronously);
Assert.True(File.Exists(@"certs/localhost.pfx"), "The TLS transport channel test was missing the localhost.pfx certificate file.");
var serverCertificate = new X509Certificate2(@"certs/localhost.pfx", "");
var verifyCert = serverCertificate.Verify();
logger.LogDebug("Server Certificate loaded from file, Subject=" + serverCertificate.Subject + ", valid=" + verifyCert + ".");
var serverChannel = new SIPTLSChannel(serverCertificate, IPAddress.IPv6Loopback, 0);
serverChannel.DisableLocalTCPSocketsCheck = true;
var clientChannel = new SIPTLSChannel(new IPEndPoint(IPAddress.IPv6Loopback, 0));
clientChannel.DisableLocalTCPSocketsCheck = true;
var serverTask = Task.Run(() => { RunServer(serverChannel, cancelServer, serverReadyEvent); });
var clientTask = Task.Run(async() =>
{
#pragma warning disable RCS1090 // Add call to 'ConfigureAwait' (or vice versa).
await RunClient(
clientChannel,
serverChannel.GetContactURI(SIPSchemesEnum.sips, new SIPEndPoint(SIPProtocolsEnum.tls, new IPEndPoint(IPAddress.IPv6Loopback, 0))),
testComplete,
cancelServer,
serverReadyEvent);
#pragma warning restore RCS1090 // Add call to 'ConfigureAwait' (or vice versa).
});
if (!Task.WhenAny(new Task[] { serverTask, clientTask }).Wait(TRANSPORT_TEST_TIMEOUT))
{
logger.LogWarning($"Tasks timed out");
}
if (testComplete.Task.IsCompleted == false)
{
// The client did not set the completed signal. This means the delay task must have completed and hence the test failed.
testComplete.SetResult(false);
}
Assert.True(testComplete.Task.Result);
cancelServer.Cancel();
}
}
public void IPv4TlsLoopbackSendReceiveTest()
{
logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name);
ManualResetEventSlim serverReadyEvent = new ManualResetEventSlim(false);
CancellationTokenSource cancelServer = new CancellationTokenSource();
TaskCompletionSource <bool> testComplete = new TaskCompletionSource <bool>();
Assert.True(File.Exists(@"certs/localhost.pfx"), "The TLS transport channel test was missing the localhost.pfx certificate file.");
var serverCertificate = new X509Certificate2(@"certs/localhost.pfx", "");
var verifyCert = serverCertificate.Verify();
logger.LogDebug("Server Certificate loaded from file, Subject=" + serverCertificate.Subject + ", valid=" + verifyCert + ".");
var serverChannel = new SIPTLSChannel(serverCertificate, IPAddress.Loopback, 0);
serverChannel.DisableLocalTCPSocketsCheck = true;
var clientChannel = new SIPTLSChannel(serverCertificate, IPAddress.Loopback, 0);
clientChannel.DisableLocalTCPSocketsCheck = true;
var serverTask = Task.Run(() => { RunServer(serverChannel, cancelServer, serverReadyEvent); });
var clientTask = Task.Run(async() => { await RunClient(
clientChannel,
serverChannel.GetContactURI(SIPSchemesEnum.sips, new SIPEndPoint(SIPProtocolsEnum.tls, new IPEndPoint(IPAddress.Loopback, 0))),
testComplete,
cancelServer,
serverReadyEvent); });
serverReadyEvent.Wait();
if (!Task.WhenAny(new Task[] { serverTask, clientTask }).Wait(TRANSPORT_TEST_TIMEOUT))
{
logger.LogWarning($"Tasks timed out");
}
if (testComplete.Task.IsCompleted == false)
{
// The client did not set the completed signal. This means the delay task must have completed and hence the test failed.
testComplete.SetResult(false);
}
Assert.True(testComplete.Task.Result);
cancelServer.Cancel();
}
static void Main(string[] args)
{
try
{
var sipTransport = new SIPTransport(SIPDNSManager.ResolveSIPService, new SIPTransactionEngine());
sipTransport.SIPTransportRequestReceived += SIPRequestReceived;
sipTransport.SIPTransportResponseReceived += SIPResponseReceived;
X509Certificate2 cert = new X509Certificate2("test-cert.cer");
SIPTLSChannel tlsChannel = new SIPTLSChannel(cert, new IPEndPoint(IPAddress.Any, 5061));
sipTransport.AddSIPChannel(tlsChannel);
var optionsReq = sipTransport.GetRequest(SIPMethodsEnum.OPTIONS, SIPURI.ParseSIPURI("sips:67.222.131.147:5061"));
sipTransport.SendRequest(optionsReq);
}
catch (Exception excp)
{
Console.WriteLine("Exception Main. " + excp);
}
finally
{
Console.WriteLine("Press any key to exit...");
Console.Read();
}
}
/// <summary>
/// Runs a single task as part of the overall job.
/// </summary>
/// <param name="options">The options that dictate the type of task to run.</param>
/// <param name="taskNumber">The number assigned to this task.</param>
/// <returns>A boolean indicating whether this single task succeeded or not.</returns>
private static async Task <bool> RunTask(Options options, int taskNumber)
{
SIPTransport sipTransport = new SIPTransport();
try
{
DateTime startTime = DateTime.Now;
(var dstEp, var dstUri) = ParseDestination(options.Destination);
logger.LogDebug($"Destination IP end point {dstEp} and SIP URI {dstUri}");
IPAddress localAddress = (dstEp.Address.AddressFamily == AddressFamily.InterNetworkV6) ? IPAddress.IPv6Any : IPAddress.Any;
SIPChannel sipChannel = null;
switch (dstEp.Protocol)
{
case SIPProtocolsEnum.tcp:
sipChannel = new SIPTCPChannel(new IPEndPoint(localAddress, DEFAULT_SIP_CLIENT_PORT));
(sipChannel as SIPTCPChannel).DisableLocalTCPSocketsCheck = true; // Allow sends to listeners on this host.
break;
case SIPProtocolsEnum.tls:
var certificate = new X509Certificate2(@"localhost.pfx", "");
sipChannel = new SIPTLSChannel(certificate, new IPEndPoint(localAddress, DEFAULT_SIPS_CLIENT_PORT));
break;
case SIPProtocolsEnum.udp:
sipChannel = new SIPUDPChannel(new IPEndPoint(localAddress, DEFAULT_SIP_CLIENT_PORT));
break;
case SIPProtocolsEnum.ws:
sipChannel = new SIPClientWebSocketChannel();
break;
case SIPProtocolsEnum.wss:
sipChannel = new SIPClientWebSocketChannel();
break;
default:
throw new ApplicationException($"Don't know how to create SIP channel for transport {dstEp.Protocol}.");
}
sipTransport.AddSIPChannel(sipChannel);
Task <bool> task = null;
switch (options.Scenario)
{
case Scenarios.uac:
task = InitiateCallTaskAsync(sipTransport, dstUri);
break;
case Scenarios.opt:
default:
task = SendOptionsTaskAsync(sipTransport, dstUri);
break;
}
var result = await Task.WhenAny(task, Task.Delay(options.Timeout * 1000));
TimeSpan duration = DateTime.Now.Subtract(startTime);
bool failed = false;
if (!task.IsCompleted)
{
logger.LogWarning($"=> Request to {dstEp} did not get a response on task {taskNumber} after {duration.TotalMilliseconds.ToString("0")}ms.");
failed = true;
}
else if (!task.Result)
{
logger.LogWarning($"=> Request to {dstEp} did not get the expected response on task {taskNumber} after {duration.TotalMilliseconds.ToString("0")}ms.");
failed = true;
}
else
{
logger.LogInformation($"=> Got correct response on send {taskNumber} in {duration.TotalMilliseconds.ToString("0")}ms.");
}
return(!failed);
}
finally
{
logger.LogDebug("Shutting down the SIP transport...");
sipTransport.Shutdown();
}
}
/// <summary>
/// Executes the command set by the program's command line arguments.
/// </summary>
/// <param name="options">The options that dictate the SIP command to execute.</param>
static async Task RunCommand(Options options)
{
try
{
logger.LogDebug($"RunCommand {options.Destination}");
(var dstEp, var dstUri) = ParseDestination(options.Destination);
logger.LogDebug($"Destination IP end point {dstEp} and SIP URI {dstUri}");
int sendCount = 0;
bool success = true;
do
{
IPAddress localAddress = (dstEp.Address.AddressFamily == AddressFamily.InterNetworkV6) ? IPAddress.IPv6Any : IPAddress.Any;
SIPChannel sipChannel = null;
switch (dstEp.Protocol)
{
case SIPProtocolsEnum.tcp:
sipChannel = new SIPTCPChannel(new IPEndPoint(localAddress, DEFAULT_SIP_CLIENT_PORT));
(sipChannel as SIPTCPChannel).DisableLocalTCPSocketsCheck = true; // Allow sends to listeners on this host.
break;
case SIPProtocolsEnum.tls:
var certificate = new X509Certificate2(@"localhost.pfx", "");
sipChannel = new SIPTLSChannel(certificate, new IPEndPoint(localAddress, DEFAULT_SIPS_CLIENT_PORT));
break;
case SIPProtocolsEnum.udp:
sipChannel = new SIPUDPChannel(new IPEndPoint(localAddress, DEFAULT_SIP_CLIENT_PORT));
break;
case SIPProtocolsEnum.ws:
sipChannel = new SIPClientWebSocketChannel();
break;
case SIPProtocolsEnum.wss:
sipChannel = new SIPClientWebSocketChannel();
break;
default:
throw new ApplicationException($"Don't know how to create SIP channel for transport {dstEp.Protocol}.");
}
SIPTransport sipTransport = new SIPTransport();
sipTransport.AddSIPChannel(sipChannel);
if (sendCount > 0 && options.Period > 0)
{
await Task.Delay(options.Period * 1000);
}
sendCount++;
DateTime sendTime = DateTime.Now;
var sendTask = SendOptionsTaskAsync(sipTransport, dstUri);
var result = await Task.WhenAny(sendTask, Task.Delay(options.Timeout * 1000));
TimeSpan duration = DateTime.Now.Subtract(sendTime);
if (!sendTask.IsCompleted)
{
logger.LogWarning($"=> Request to {dstEp} did not get a response on send {sendCount} of {options.Count} after {duration.TotalMilliseconds.ToString("0")}ms.");
success = false;
}
else if (!sendTask.Result)
{
logger.LogWarning($"=> Request to {dstEp} did not get the expected response on request {sendCount} of {options.Count} after {duration.TotalMilliseconds.ToString("0")}ms.");
success = false;
}
else
{
logger.LogInformation($"=> Got correct response on send {sendCount} of {options.Count} in {duration.TotalMilliseconds.ToString("0")}ms.");
}
logger.LogDebug("Shutting down the SIP transport...");
sipTransport.Shutdown();
if (success == false)
{
break;
}
}while (sendCount < options.Count);
DNSManager.Stop();
// Give the transport half a second to shutdown (puts the log messages in a better sequence).
await Task.Delay(500);
logger.LogInformation($"=> Command completed {((success) ? "successfully" : "with failure")}.");
}
catch (Exception excp)
{
logger.LogError($"Exception RunCommand. {excp.Message}");
}
}
