public void FCGIApp_DisconnectedOperations()
{
// Create a new FCGIApplication without opening a connection
// and make sure everything can be called without any problems
var app = new FCGIApplication();
Assert.IsFalse(app.Process());
Assert.IsFalse(app.ProcessStream(new MemoryStream(), new MemoryStream()));
Assert.IsFalse(app.ProcessSingleRecord(new MemoryStream(), new MemoryStream()));
Assert.IsFalse(app.Connected);
app.StopListening();
}
public void FCGIApp_Connections()
{
// Create an app that actually listens on the loopback interface
var app = new FCGIApplication();
app.Timeout = 100;
try
{
app.Listen(new IPEndPoint(IPAddress.Loopback, 21511));
Request receivedRequest = null;
app.OnRequestReceived += (sender, request) => {
receivedRequest = request;
request.WriteResponseASCII("Hello Server!");
request.Close();
};
app.Process();
var serverSocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
var asyncResult = serverSocket.BeginConnect(new IPEndPoint(IPAddress.Loopback, 21511), (r) => { }, null);
while (!asyncResult.IsCompleted)
{
app.Process();
}
serverSocket.EndConnect(asyncResult);
var serverStream = new NetworkStream(serverSocket);
// Now send a request to the app and make sure it is received correctly.
var requestId = 5172;
var beginRequestContent = new byte[]
{
0x00, // role byte 1
(byte)Constants.FCGI_RESPONDER, // role byte 2
0x00, // flags
0x00, 0x00, 0x00, 0x00, 0x00 // reserved bytes
};
var beginRequest = new Record
{
Type = Record.RecordType.BeginRequest,
RequestId = requestId,
ContentLength = beginRequestContent.Length,
ContentData = beginRequestContent
};
beginRequest.WriteToStream(serverStream);
var stdinRequest = new Record
{
Type = Record.RecordType.Stdin,
RequestId = requestId,
ContentLength = 0,
ContentData = new byte[0]
};
stdinRequest.WriteToStream(serverStream);
serverStream.Flush();
// Make the app digest everything
while (receivedRequest == null)
{
app.Process();
}
// Do we have the correct request?
Assert.AreEqual(requestId, receivedRequest.RequestId);
// And did the response work?
var responseRecord = Record.ReadRecord(serverStream);
Assert.AreEqual(Record.RecordType.Stdout, responseRecord.Type);
Assert.AreEqual("Hello Server!", Encoding.ASCII.GetString(responseRecord.ContentData));
// Change the timeout while still connected
app.Timeout = 100;
app.StopListening();
Assert.IsFalse(app.Connected);
}
// If the port is already in use, an execution can be thrown.
// Report the test as inconclusive then.
catch (SocketException e)
{
Assert.Inconclusive("SocketException: " + e.Message);
}
}
