public static void Main()
{
NetworkStream netStream = null;
Socket listenerSocket = null;
CertificateManager.AddCaCertificateBundle(testCACertificate);
// server certificate
// make sure to add a correct PEM encoded certificate, including the RSA key
X509Certificate2 serverCert = new X509Certificate2(serverTestCertificate, serverTestCertificateKey, "");
NetworkHelpers.SetupAndConnectNetwork(true);
Debug.WriteLine("Waiting for network up and IP address...");
NetworkHelpers.IpAddressAvailable.WaitOne();
Debug.WriteLine("Waiting for valid Date & Time...");
NetworkHelpers.DateTimeAvailable.WaitOne();
Debug.WriteLine("Setting up socket...");
using (Socket mySocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IPv4))
{
// create a local IPEndPoint
IPEndPoint ep = new IPEndPoint(0, 443);
Debug.WriteLine("Listen to connections...");
// bind socket to local endpoint
mySocket.Bind(ep);
// wait for connection
mySocket.Listen(1);
listenerSocket = mySocket.Accept();
try
{
// Once connection established need to create secure stream and authenticate server.
netStream = new SslStream(listenerSocket);
// Throws exception if this fails
// pass the server certificate
// do not require client certificate
((SslStream)netStream).AuthenticateAsServer(serverCert, false, SslProtocols.Tls11);
// setup buffer to read data from socket
byte[] buffer = new byte[1024];
// trying to read from socket
int bytes = netStream.Read(buffer, 0, buffer.Length);
Debug.WriteLine($"Read {bytes} bytes");
if (bytes > 0)
{
// we have data!
// output as string
Debug.WriteLine(new string(Encoding.UTF8.GetChars(buffer)));
}
}
catch
{
}
finally
{
if (netStream != null)
{
netStream.Close();
listenerSocket.Close();
}
}
}
}
public static void Main()
{
NetworkStream netStream = null;
Socket listenerSocket = null;
CertificateManager.AddCaCertificateBundle(testCACertificate);
// server certificate
// make sure to add a correct PEM encoded certificate, including the RSA key
X509Certificate2 serverCert = new X509Certificate2(serverTestCertificate, serverTestCertificateKey, "");
Debug.WriteLine("Waiting for network up and IP address...");
bool success;
CancellationTokenSource cs = new(60000);
#if BUILD_FOR_ESP32
success = NetworkHelper.ConnectWifiDhcp(MySsid, MyPassword, setDateTime: true, token: cs.Token);
#else
success = NetworkHelper.WaitForValidIPAndDate(true, System.Net.NetworkInformation.NetworkInterfaceType.Ethernet, cs.Token);
#endif
if (!success)
{
Debug.WriteLine($"Can't get a proper IP address and DateTime, error: {NetworkHelper.ConnectionError.Error}.");
if (NetworkHelper.ConnectionError.Exception != null)
{
Debug.WriteLine($"Exception: {NetworkHelper.ConnectionError.Exception}");
}
return;
}
Debug.WriteLine("Setting up socket...");
using (Socket mySocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IPv4))
{
// create a local IPEndPoint
IPEndPoint ep = new IPEndPoint(0, 443);
Debug.WriteLine("Listen to connections...");
// bind socket to local endpoint
mySocket.Bind(ep);
// wait for connection
mySocket.Listen(1);
listenerSocket = mySocket.Accept();
try
{
// Once connection established need to create secure stream and authenticate server.
netStream = new SslStream(listenerSocket);
///////////////////////////////////////////////////////////////////////////////////
// Using a server certificate stored in the device is possible by
// setting the UseStoredDeviceCertificate property.
//
// In practice it's equivalent to providing a server certificate in
// the 'serverCertificate' parameter when calling AuthenticateAsServer(...)
//
///////////////////////////////////////////////////////////////////////////////////
((SslStream)netStream).UseStoredDeviceCertificate = true;
// Throws exception if this fails
// pass the server certificate
// do not require client certificate
((SslStream)netStream).AuthenticateAsServer(serverCert, false, SslProtocols.Tls11);
// setup buffer to read data from socket
byte[] buffer = new byte[1024];
// trying to read from socket
int bytes = netStream.Read(buffer, 0, buffer.Length);
Debug.WriteLine($"Read {bytes} bytes");
if (bytes > 0)
{
// we have data!
// output as string
Debug.WriteLine(new string(Encoding.UTF8.GetChars(buffer)));
}
}
catch
{
}
finally
{
if (netStream != null)
{
netStream.Close();
listenerSocket.Close();
}
}
}
}
