/// <summary>
/// Cleans the expired items from the cache.
/// </summary>
/// <remarks>CFI, 2012-03-10</remarks>
private void CleanExpired()
{
var expired = from l in lifetime.AsParallel()
where l.Value <= DateTimeOffset.Now
select l;
expired.ForAll((e) => { values.Remove(e.Key); lifetime.Remove(e.Key); });
}
public void Update <T>(string key, T newvalue)
{
if (_persistentDictionary.ContainsKey(key))
{
_persistentDictionary.Remove(key);
}
Put(key, newvalue);
}
/// <summary>
/// Test dictionary insert/replace/delete.
/// </summary>
/// <typeparam name="TKey">Key type of the dictionary.</typeparam>
/// <typeparam name="TValue">Value type of the dictionary.</typeparam>
/// <param name="dictionary">The dictionary to test.</param>
/// <param name="key">Key that is present in the dictionary.</param>
/// <param name="value">Value associated with the key in the dictionary.</param>
private static void TestBasicOperations <TKey, TValue>(PersistentDictionary <TKey, TValue> dictionary, TKey key, TValue value)
where TKey : IComparable <TKey>
{
var kvp = new KeyValuePair <TKey, TValue>(key, value);
// Add a record
dictionary.Add(key, value);
// Test PersistentDictionary.Add error handling
try
{
dictionary.Add(key, value);
Assert.Fail("Expected ArgumentException from Add");
}
catch (ArgumentException)
{
// Expected
}
// Overwrite a value
dictionary[key] = value;
// Retrieve a value
Assert.AreEqual(value, dictionary[key], "Retrieve with [] failed");
TValue t;
Assert.IsTrue(dictionary.TryGetValue(key, out t), "TryGetValue({0}) failed", key);
Assert.AreEqual(value, t, "TryGetValue({0}) returned the wrong value", key);
// Clear and re-insert
dictionary.Clear();
Assert.AreEqual(0, dictionary.Count, "Dictionary is empty. Count is wrong");
dictionary[key] = value;
Assert.AreEqual(1, dictionary.Count, "Item was just inserted. Count is wrong");
// Get the keys and values
Assert.AreEqual(dictionary.Keys.First(), key, "Keys collection");
Assert.AreEqual(dictionary.Values.First(), value, "Values collection");
// Test PersistentDictionary.Contains (true)
Assert.IsTrue(dictionary.ContainsKey(key), "Dictionary should have contained key {0}", key);
Assert.IsTrue(dictionary.ContainsValue(value), "Dictionary should have contained value {0}", value);
Assert.IsTrue(dictionary.Contains(kvp), "Dictionary should have contained <{0},{1}>", key, value);
// Test PersistentDictionary.Remove
Assert.IsTrue(dictionary.Remove(key), "Key {0} should exist, but removal failed", key);
Assert.IsFalse(dictionary.Remove(key), "Key {0} doesn't exist, but removal succeeded", key);
dictionary.Add(kvp);
Assert.IsTrue(dictionary.Remove(kvp), "KeyValuePair <{0},{1}> should exist, but removal failed", kvp.Key, kvp.Value);
Assert.IsFalse(dictionary.Remove(kvp), "KeyValuePair <{0},{1}> doesn't exist, but removal succeeded", kvp.Key, kvp.Value);
// Test PersistentDictionary.Contains (false)
Assert.IsFalse(dictionary.ContainsKey(key), "Dictionary should have contained key {0}", key);
Assert.IsFalse(dictionary.ContainsValue(value), "Dictionary should have contained value {0}", value);
Assert.IsFalse(dictionary.Contains(kvp), "Dictionary should have contained <{0},{1}>", key, value);
}
public bool Remove(string key)
{
Cache.Remove(key);
var s = EsentDic.Remove(key);
return(s);
}
public bool Remove(string key)
{
lock (syncRoot)
{
Cache.Remove(key);
var s = EsentDic.Remove(key);
return(s);
}
}
public void Delete(string objId)
{
if (mutex.Wait(TimeSpan.FromSeconds(DefaultTime)))
{
if (!_persistentDictionary.ContainsKey(objId))
{
return;
}
_persistentDictionary.Remove(objId);
var expFile = objId + "-expiration.json";
if (_persistentDictionary.ContainsKey(expFile))
{
_persistentDictionary.Remove(expFile);
}
_persistentDictionary.Flush();
mutex.Release();
}
}
static void Benchmark()
{
var payload = new byte[4 * 1024];
var dir = "temp";
if (!Directory.Exists(dir))
Directory.CreateDirectory(dir);
Utility.Timeit("File system", 1, () =>
{
var random = new Random();
for (var i = 0; i < 40000; ++i)
{
var path = string.Format("{0}/{1}.txt", dir, random.Next(1000));
switch (random.Next(2))
{
case 0:
File.WriteAllBytes(path, payload);
break;
case 1:
if (File.Exists(path)) File.Delete(path);
break;
default:
throw new NotSupportedException();
}
}
});
Utility.Timeit("PersistentDictionary", 1, () =>
{
if (File.Exists("1.txt"))
File.Delete("1.txt");
var random = new Random();
using (var dict = new PersistentDictionary("1.txt"))
{
for (var i = 0; i < 40000; ++i)
{
var key = string.Format("{0}/{1}.txt", dir, random.Next(1000));
switch (random.Next(2))
{
case 0:
if (dict.ContainsKey(key)) dict[key] = payload;
else dict.Add(key, payload);
break;
case 1:
if (dict.ContainsKey(key)) dict.Remove(key);
break;
default:
throw new NotSupportedException();
}
}
}
});
}
public void changeConfig(string name, string value)
{
using (PersistentDictionary <string, string> dictionary = new PersistentDictionary <string, string>(getConfigLogPath()))
{
if (dictionary.ContainsKey(name))
{
dictionary.Remove(name);
dictionary.Add(name, value);
}
}
}
static void Test()
{
using (var dict = new PersistentDictionary("1.txt"))
{
string line;
while ((line = Console.ReadLine()) != null)
{
try
{
var tokens = line.Split();
switch (tokens[0].ToLower())
{
case "add":
dict.Add(tokens[1], Encoding.UTF8.GetBytes(tokens[2]));
break;
case "update":
dict[tokens[1]] = Encoding.UTF8.GetBytes(tokens[2]);
break;
case "remove":
dict.Remove(tokens[1]);
break;
case "dump":
{
foreach (var kv in dict.OrderBy(kv => kv.Key))
Console.WriteLine("\t{0}: {1}", kv.Key, Encoding.UTF8.GetString(kv.Value));
}
break;
default:
throw new NotSupportedException();
}
Console.WriteLine("Done.");
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
}
}
private void ProcessingThread()
{
// Start AcquireFrame/ReleaseFrame loop
while (senseManager.AcquireFrame(true) >= pxcmStatus.PXCM_STATUS_NO_ERROR)
{
// Acquire the color image data
PXCMCapture.Sample sample = senseManager.QuerySample();
Bitmap colorBitmap;
PXCMImage.ImageData colorData;
int topScore = 0;
FaceExpression expression = FaceExpression.None;
sample.color.AcquireAccess(PXCMImage.Access.ACCESS_READ, PXCMImage.PixelFormat.PIXEL_FORMAT_RGB24, out colorData);
colorBitmap = colorData.ToBitmap(0, sample.color.info.width, sample.color.info.height);
try
{
IBarcodeReader reader = new BarcodeReader();
// load a bitmap
//var barcodeBitmap = (Bitmap)Bitmap.LoadFrom("C:\\sample-barcode-image.png");
// detect and decode the barcode inside the bitmap
var result = reader.Decode(colorBitmap);
// do something with the result
if (result != null)
{
MessageBox.Show(result.BarcodeFormat.ToString());
MessageBox.Show(result.Text);
}
}
catch (Exception ex)
{
}
// Get face data
if (faceData != null)
{
faceData.Update();
numFacesDetected = faceData.QueryNumberOfDetectedFaces();
if (numFacesDetected > 0)
{
// Get the first face detected (index 0)
PXCMFaceData.Face face = faceData.QueryFaceByIndex(0);
// Retrieve face location data
PXCMFaceData.DetectionData faceDetectionData = face.QueryDetection();
if (faceDetectionData != null)
{
PXCMRectI32 faceRectangle;
faceDetectionData.QueryBoundingRect(out faceRectangle);
if ((faceRectangle.h > 90) || (faceRectangle.w > 90))
{
faceRectangleHeight = faceRectangle.h * 3 / 2;
faceRectangleWidth = faceRectangle.w * 3 / 2;
}
else if (((faceRectangle.h < 90) || (faceRectangle.w < 90)) && ((faceRectangle.h > 70) || (faceRectangle.w > 70)))
{
faceRectangleHeight = faceRectangle.h * 2;
faceRectangleWidth = faceRectangle.w * 2;
}
else
{
faceRectangleHeight = faceRectangle.h * 5 / 2;
faceRectangleWidth = faceRectangle.w * 5 / 2;
}
faceRectangleX = faceRectangle.x;
faceRectangleY = faceRectangle.y;
}
// Retrieve pose estimation data
PXCMFaceData.PoseData facePoseData = face.QueryPose();
if (facePoseData != null)
{
PXCMFaceData.PoseEulerAngles headAngles;
facePoseData.QueryPoseAngles(out headAngles);
headRoll = headAngles.roll;
headPitch = headAngles.pitch;
headYaw = headAngles.yaw;
}
// Retrieve expression data
PXCMFaceData.ExpressionsData expressionData = face.QueryExpressions();
if (expressionData != null)
{
PXCMFaceData.ExpressionsData.FaceExpressionResult score;
expressionData.QueryExpression(PXCMFaceData.ExpressionsData.FaceExpression.EXPRESSION_KISS, out score);
expressionScore[Convert.ToInt32(FaceExpression.Kiss)] = score.intensity;
expressionData.QueryExpression(PXCMFaceData.ExpressionsData.FaceExpression.EXPRESSION_MOUTH_OPEN, out score);
expressionScore[Convert.ToInt32(FaceExpression.Open)] = score.intensity;
expressionData.QueryExpression(PXCMFaceData.ExpressionsData.FaceExpression.EXPRESSION_SMILE, out score);
expressionScore[Convert.ToInt32(FaceExpression.Smile)] = score.intensity;
expressionData.QueryExpression(PXCMFaceData.ExpressionsData.FaceExpression.EXPRESSION_TONGUE_OUT, out score);
expressionScore[Convert.ToInt32(FaceExpression.Tongue)] = score.intensity;
// Determine the highest scoring expression
for (int i = 1; i < TotalExpressions; i++)
{
if (expressionScore[i] > topScore)
{
expression = (FaceExpression)i;
}
}
}
// Process face recognition data
if (face != null)
{
// Retrieve the recognition data instance
recognitionData = face.QueryRecognition();
// Set the user ID and process register/unregister logic
if (recognitionData.IsRegistered())
{
userId = Convert.ToString(recognitionData.QueryUserID());
if (doUnregister)
{
recognitionData.UnregisterUser();
SaveDatabaseToFile();
doUnregister = false;
if (_persistentDict.ContainsKey(userId) == true)
{
_persistentDict.Remove(userId);
}
}
}
else
{
if (doRegister)
{
int uId = recognitionData.RegisterUser();
SaveDatabaseToFile();
if (newUserName != "")
{
if (_persistentDict.ContainsKey(uId.ToString()) == false)
{
_persistentDict.Add(uId.ToString(), newUserName);
_persistentDict.Flush();
newUserName = "";
}
}
// Capture a jpg image of registered user
colorBitmap.Save("image.jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
doRegister = false;
}
else
{
userId = "New User";
}
}
}
}
else
{
userId = "No users in view";
}
}
//hand = senseManager.QueryHand();
//if (hand != null)
//{
// // Retrieve the most recent processed data
// handData = hand.CreateOutput();
// handData.Update();
// // Get number of tracked hands
// nhands = handData.QueryNumberOfHands();
// if (nhands > 0)
// {
// // Retrieve hand identifier
// handData.QueryHandId(PXCMHandData.AccessOrderType.ACCESS_ORDER_BY_TIME, 0, out handId);
// // Retrieve hand data
// handData.QueryHandDataById(handId, out ihand);
// PXCMHandData.BodySideType bodySideType = ihand.QueryBodySide();
// if (bodySideType == PXCMHandData.BodySideType.BODY_SIDE_LEFT)
// {
// leftHand = true;
// }
// else if (bodySideType == PXCMHandData.BodySideType.BODY_SIDE_RIGHT)
// {
// leftHand = false;
// }
// // Retrieve all hand joint data
// for (int i = 0; i < nhands; i++)
// {
// for (int j = 0; j < 0x20; j++)
// {
// PXCMHandData.JointData jointData;
// ihand.QueryTrackedJoint((PXCMHandData.JointType)j, out jointData);
// nodes[i][j] = jointData;
// }
// }
// // Get world coordinates for tip of middle finger on the first hand in camera range
// handTipX = nodes[0][Convert.ToInt32(PXCMHandData.JointType.JOINT_MIDDLE_TIP)].positionWorld.x;
// handTipY = nodes[0][Convert.ToInt32(PXCMHandData.JointType.JOINT_MIDDLE_TIP)].positionWorld.y;
// handTipZ = nodes[0][Convert.ToInt32(PXCMHandData.JointType.JOINT_MIDDLE_TIP)].positionWorld.z;
// swipehandTipX = nodes[0][Convert.ToInt32(PXCMHandData.JointType.JOINT_MIDDLE_TIP)].positionImage.x;
// swipehandTipY = nodes[0][Convert.ToInt32(PXCMHandData.JointType.JOINT_MIDDLE_TIP)].positionImage.y;
// swipehandTipZ = nodes[0][Convert.ToInt32(PXCMHandData.JointType.JOINT_MIDDLE_TIP)].positionImage.z;
// //Console.Out.WriteLine("Before x={0}", swipehandTipX);
// //Console.Out.WriteLine("Before speed={0}", nodes[0][Convert.ToInt32(PXCMHandData.JointType.JOINT_MIDDLE_TIP)].speed.x);
// // Retrieve gesture data
// if (handData.IsGestureFired("spreadfingers", out gestureData)) { gesture = Gesture.FingerSpread; }
// else if (handData.IsGestureFired("two_fingers_pinch_open", out gestureData)) { gesture = Gesture.Pinch; }
// else if (handData.IsGestureFired("wave", out gestureData)) { gesture = Gesture.Wave; }
// else if (handData.IsGestureFired("swipe_left", out gestureData)) { gesture = Gesture.SwipeLeft; }
// else if (handData.IsGestureFired("swipe_right", out gestureData)) { gesture = Gesture.SwipeRight; }
// else if (handData.IsGestureFired("fist", out gestureData)) { gesture = Gesture.Fist; }
// else if (handData.IsGestureFired("thumb_up", out gestureData)) { gesture = Gesture.Thumb; }
// }
// else
// {
// gesture = Gesture.Undefined;
// }
// //UpdateUI();
// if (handData != null) handData.Dispose();
//}
// Display the color stream and other UI elements
//UpdateUI(colorBitmap, expression, gesture);
UpdateUI(colorBitmap, expression);
// Release resources
colorBitmap.Dispose();
sample.color.ReleaseAccess(colorData);
sample.color.Dispose();
// Release the frame
senseManager.ReleaseFrame();
}
}
public void DeleteUser(string username)
{
_users.Remove(username);
}