public void TryGetState_WithInvalidPackageLength()
{
var state = new byte[] { 1, 2, 4, 8, 16, 32, 64, 128 };
var package = LightPiProtocol.CreatePackage(state);
// Destroy the length of the package.
Array.Resize(ref package, 9);
byte[] returnState;
var hasSucceeded = LightPiProtocol.TryParsePackage(package, out returnState);
Assert.IsFalse(hasSucceeded);
}
public void TryGetState_WithInvalidPackagePrefix()
{
var state = new byte[] { 1, 2, 4, 8, 16, 32, 64, 128 };
var package = LightPiProtocol.CreatePackage(state);
// Destroy the prefix of the package.
package[0] = 32;
byte[] returnState;
var hasSucceeded = LightPiProtocol.TryParsePackage(package, out returnState);
Assert.IsFalse(hasSucceeded);
}
public void TryGetState()
{
var state = new byte[] { 1, 2, 4, 8, 16, 32, 64, 128 };
var package = LightPiProtocol.CreatePackage(state);
byte[] returnState;
var hasSucceeded = LightPiProtocol.TryParsePackage(package, out returnState);
Assert.IsTrue(hasSucceeded);
Assert.AreEqual(state.Length, returnState.Length);
for (var i = 0; i < state.Length; i++)
{
Assert.AreEqual(state[i], returnState[i]);
}
}
private void ProcessMessage(DatagramSocket sender, DatagramSocketMessageReceivedEventArgs message)
{
var package = ReadPackageFromMessage(message);
if (package == null)
{
return;
}
byte[] state;
if (!LightPiProtocol.TryParsePackage(package, out state))
{
return;
}
_engine.EnqueueState(state);
}
public CommitChangesResult CommitChanges()
{
lock (_syncRoot)
{
var state = GenerateState();
if (!ForceCommits && _previousSentState.SequenceEqual(state))
{
return(new CommitChangesResult(false, null));
}
_previousSentState = state;
var package = LightPiProtocol.CreatePackage(state);
_udpClient.Send(package, package.Length, _ipEndPoint);
return(new CommitChangesResult(true, state));
}
}
public void GeneratePackage()
{
var state = new byte[] { 1, 2, 4, 8, 16, 32, 64, 128 };
var package = LightPiProtocol.CreatePackage(state);
Assert.AreEqual(LightPiProtocol.PackageLength, package.Length);
// Check the prefix
for (var i = 0; i < LightPiProtocol.PackagePrefixLength; i++)
{
Assert.AreEqual(package[i], LightPiProtocol.PackagePrefix[i], "Prefix is invalid.");
}
// Check the state
for (var i = 0; i < state.Length; i++)
{
Assert.AreEqual(state[i], package[i + LightPiProtocol.PackagePrefixLength], "State is invalid.");
}
}
private void ProcessIncomingData()
{
while (true)
{
try
{
IPEndPoint remoteIPEndpoint = null;
byte[] package = _datagramSocket.Receive(ref remoteIPEndpoint);
byte[] state;
if (!LightPiProtocol.TryParsePackage(package, out state))
{
continue;
}
_callback(state);
}
catch (Exception exception)
{
Debug.WriteLine(exception.ToString());
}
}
}
public void GeneratePackage_WithInvalidState()
{
var state = new byte[] { 1, 2, 4, 8, 16 };
LightPiProtocol.CreatePackage(state);
}
