/// <summary>Connects the client to the server.</summary>
/// <param name="serverPort">The port for the server to use for this connection</param>
/// <param name="machineName">The host running the server application</param>
/// <param name="serverName">The machine name for the server, must match the machine name in the server certificate</param>
/// <param name="stream"></param>
/// <param name="fileSize"></param>
/// <param name="offset"></param>
private void Connect(int serverPort, string machineName, string serverName, FileStream stream, long fileSize, long offset)
{
// Create a TCP/IP client socket.
// Set up a temporary connection that is unencrypted, used to transfer the certificates?
try {
client = new TcpClient(machineName, serverPort);
Debug.WriteLine("Client connected.");
} catch (ArgumentNullException argExp) {
throw new ConnectionException("Host or machine name is null", argExp);
} catch (ArgumentOutOfRangeException argORExp) {
throw new ConnectionException("The Port is incorrect", argORExp);
} catch (SocketException argSExp) {
throw new ConnectionException("There is a problem with the Socket", argSExp);
}
// Create an SSL stream that will close the client's stream.
// TODO: The validate server certificate allways returns true
// If the validation fails we should ask the user to connect anyway
sslStream = new SslStream(client.GetStream(),
false,
ValidateServerCertificate,
null);
// The server name must match the name on the server certificate.
try {
sslStream.AuthenticateAsClient(serverName);
} catch (ArgumentNullException argExp) {
throw new ConnectionException("Target host is null", argExp);
} catch (AuthenticationException argExp) {
throw new ConnectionException("The authentication failed and left this object in an unusable state.", argExp);
} catch (InvalidOperationException argExp) {
throw new ConnectionException("Authentication has already occurred or Server authentication using this SslStream was tried previously org Authentication is already in progress.", argExp);
}
// When we are connected we can now set up our receive mechanism
var readBuffer = new byte[BUFFER_SIZE];
var stateObj = new FileTransferStateObject();
stateObj.fileSize = fileSize;
stateObj.sslStream = sslStream;
stateObj.target = stream;
stateObj.transferBuffer = readBuffer;
stateObj.transferOffset = offset;
TimeOfLastNotify = DateTime.Now;
sslStream.BeginRead(readBuffer, 0, readBuffer.Length, ReadCallback, stateObj);
}
/// <summary>Connects the client to the server.</summary>
/// <param name="serverPort">The port for the server to use for this connection</param>
/// <param name="machineName">The host running the server application</param>
/// <param name="serverName">The machine name for the server, must match the machine name in the server certificate</param>
/// <param name="stream"></param>
/// <param name="fileSize"></param>
/// <param name="offset"></param>
private void Connect(int serverPort, string machineName, string serverName, FileStream stream, long fileSize, long offset)
{
// Create a TCP/IP client socket.
// Set up a temporary connection that is unencrypted, used to transfer the certificates?
try {
client = new TcpClient(machineName, serverPort);
Debug.WriteLine("Client connected.");
} catch (ArgumentNullException argExp) {
throw new ConnectionException("Host or machine name is null", argExp);
} catch (ArgumentOutOfRangeException argORExp) {
throw new ConnectionException("The Port is incorrect", argORExp);
} catch (SocketException argSExp) {
throw new ConnectionException("There is a problem with the Socket", argSExp);
}
// Create an SSL stream that will close the client's stream.
// TODO: The validate server certificate allways returns true
// If the validation fails we should ask the user to connect anyway
sslStream = new SslStream(client.GetStream(),
false,
ValidateServerCertificate,
null);
// The server name must match the name on the server certificate.
try {
sslStream.AuthenticateAsClient(serverName);
} catch (ArgumentNullException argExp) {
throw new ConnectionException("Target host is null", argExp);
} catch (AuthenticationException argExp) {
throw new ConnectionException("The authentication failed and left this object in an unusable state.", argExp);
} catch (InvalidOperationException argExp) {
throw new ConnectionException("Authentication has already occurred or Server authentication using this SslStream was tried previously org Authentication is already in progress.", argExp);
}
// When we are connected we can now set up our receive mechanism
var readBuffer = new byte[BUFFER_SIZE];
var stateObj = new FileTransferStateObject();
stateObj.fileSize = fileSize;
stateObj.sslStream = sslStream;
stateObj.target = stream;
stateObj.transferBuffer = readBuffer;
stateObj.transferOffset = offset;
TimeOfLastNotify = DateTime.Now;
sslStream.BeginRead(readBuffer, 0, readBuffer.Length, ReadCallback, stateObj);
}
