/// <summary>
/// Helper.
/// </summary>
void SetObjectPropertyValueByTag(object tag, object value)
{
if (tag is string)
{// This is a dynamic generic property.
SystemMonitor.CheckThrow(SelectedContainerObject != null);
SelectedContainerObject.SetGenericDynamicPropertyValue(tag as string, value);
}
else if (tag is PropertyInfo)
{// Direct property of the indicator.
PropertyInfo info = (PropertyInfo)tag;
if (info.CanWrite)
{
info.SetValue(_selectedObject, value, null);
}
else
{
SystemMonitor.OperationError("Property set method not found [" + info.DeclaringType.Name + ":" + info.Name + "].");
}
}
else
{
SystemMonitor.Error("Unrecognized tag type for indicator property.");
}
if (SelectedContainerObject != null)
{
SelectedContainerObject.PropertyChanged();
}
}
/// <summary>
/// Collect them from a given assembly.
/// </summary>
static public List <Type> GetTypeChildrenTypes(Type typeSearched, System.Reflection.Assembly assembly)
{
List <Type> result = new List <Type>();
Type[] types;
try
{
types = assembly.GetTypes();
}
catch (Exception ex)
{
SystemMonitor.OperationError("Failed to load assembly types [" + ex.Message + "].");
return(result);
}
foreach (Type type in types)
{
if (typeSearched.IsInterface)
{
List <Type> interfaces = new List <Type>(type.GetInterfaces());
if (interfaces.Contains(typeSearched))
{
result.Add(type);
}
}
else
if (type.IsSubclassOf(typeSearched))
{
result.Add(type);
}
}
return(result);
}
/// <summary>
/// It is needed to specify the item type here, since otherwise when the result is empty,
/// it can not be cast to the actual type in real time and causes an exception.
/// The problem is casting an array ot base type to children type is not possible, when the array
/// is coming from a list of base types converted with ToArray().
/// </summary>
public SortedList <ItemType, ItemType> GetAllItems <ItemType>()
where ItemType : EventBase
{
SortedList <ItemType, ItemType> result = new SortedList <ItemType, ItemType>();
foreach (EventSourceChannel channel in Channels)
{
if (channel.Enabled)
{
lock (channel)
{
foreach (ItemType item in channel.ItemsUnsafe.Values)
{
//string id = item.GetFullId();
if (result.ContainsKey(item))
{// If there is id duplication, resolve with additional guid.
SystemMonitor.OperationError("Item hash code duplication [" + item.GetFullId() + "], item skipped.");
//id += "." + Guid.NewGuid().ToString();
}
result.Add(item, item);
}
}
}
}
return(result);
}
/// <summary>
///
/// </summary>
public void Perform()
{
try
{
Result = DelegateInstance.Method.Invoke(DelegateInstance.Target, Parameters);
}
catch (Exception ex)
{
if (ex is ThreadAbortException)
{
throw;
}
else
{
string message = "Invoke threw an exception [" + DelegateInstance.Method.Name + " , " + ex.Message + "]";
if (ex.InnerException != null)
{
message += ", Inner[" + ex.InnerException.GetType().Name + ", " + ex.InnerException.Message + "]";
}
SystemMonitor.OperationError(message);
}
}
CompletedEvent.Set();
}
/// <summary>
/// Send general email, fully configurable.
/// </summary>
/// <returns></returns>
public static bool SendEmailAsync(string username, string password, string smtpServer, int port, string from, string to,
string subject, string body, SendCompletedEventHandler handler)
{
SmtpClient client = new SmtpClient(smtpServer, port);
client.EnableSsl = true;
client.Credentials = new System.Net.NetworkCredential(username, password);
MailMessage message = new MailMessage(from, to);
message.Body = body;
message.Subject = subject;
try
{
client.SendAsync(message, null);
if (handler != null)
{
client.SendCompleted += handler;
}
}
catch (Exception ex)
{
SystemMonitor.OperationError("Failed to send mail.", ex);
return(false);
}
return(true);
}
/// <summary>
///
/// </summary>
public void UnInitialize()
{
lock (this)
{// This is required since we might receive an item after/during dispose.
try
{
if (_writer != null)
{
_writer.Flush();
_writer.Close();
_writer.Dispose();
}
if (_stream != null)
{
_stream.Flush();
_stream.Close();
_stream.Dispose();
}
}
catch (Exception ex)
{
SystemMonitor.OperationError(ex.Message);
}
finally
{
_writer = null;
_stream = null;
}
_initialFilePath = string.Empty;
_actualFilePath = string.Empty;
}
}
/// <summary>
/// Add items to channel.
/// The items added may be with no assiged Id, or a duplication of other items.
/// </summary>
public virtual void AddItems(IEnumerable <EventBase> items)
{
SystemMonitor.CheckError(_source != null, "Source not assigned.");
if (this.Enabled == false)
{
SystemMonitor.OperationWarning("Will not add items to disabled channel.");
return;
}
List <EventBase> itemsAdded = new List <EventBase>();
foreach (EventBase item in items)
{
if (item.DateTime.HasValue == false)
{
SystemMonitor.OperationError("Event with no date time assigned can not be processed.");
continue;
}
lock (this)
{
if (_items.ContainsKey(item) &&
_itemsUpdateEnabled == false)
{// Already an item with this Id is known.
continue;
}
if (_enableLatestEventTitleDuplicationProtection &&
((DateTime.Now - item.DateTime) < _latestEventsFilterPeriod))
{
if (_latestEvents.ContainsKey(item.Title) == false)
{// Gather items from the last X days.
_latestEvents.Add(item.Title, item);
}
else
{// Item wit this title already known.
continue;
}
}
_items[item] = item;
}
if (ItemsAddedEvent != null)
{
itemsAdded.Add(item);
}
}
if (ItemsAddedEvent != null)
{
ItemsAddedEvent(_source, this, itemsAdded);
}
}
/// <summary>
///
/// </summary>
public bool Initialize(Tracer tracer)
{
if (_tracer != null)
{
SystemMonitor.OperationError("Filter already initialized.");
return(false);
}
_tracer = tracer;
return(true);
}
/// <summary>
///
/// </summary>
public bool Initialize(string filePath)
{
if (string.IsNullOrEmpty(filePath))
{
SystemMonitor.OperationError("Failed to initialize File Tracer Item sink with file [" + filePath + "]");
return(false);
}
UnInitialize();
_initialFilePath = filePath;
filePath = GeneralHelper.ReplaceFileNameCompatibleDateTime(filePath, DateTime.Now);
lock (this)
{
try
{
if (Directory.Exists(Path.GetDirectoryName(filePath)) == false)
{
DirectoryInfo info = Directory.CreateDirectory(Path.GetDirectoryName(filePath));
if (info == null)
{// Failed to create folder.
SystemMonitor.OperationError("Failed to create directory of file [" + filePath + "].");
return(false);
}
}
_actualFilePath = filePath;
_stream = new FileStream(_actualFilePath, FileMode.Create, FileAccess.ReadWrite, FileShare.Read);
_writer = new StreamWriter(_stream);
}
catch (Exception ex)
{
UnInitialize();
SystemMonitor.OperationError(ex.Message);
return(false);
}
finally
{
if (_writer == null)
{
_initialFilePath = string.Empty;
_actualFilePath = null;
}
}
}
return(true);
}
/// <summary>
///
/// </summary>
public bool CompleteOperation(string operationId, object result)
{
lock (this)
{
if (_pendingOperations.ContainsKey(operationId))
{
_pendingOperations[operationId].Complete(result);
return(true);
}
}
// Timed out and was removed.
SystemMonitor.OperationError("Operation responce received [" + ImplementationName + ", " + result.GetType().Name + "], but request operation already timed out.");
return(false);
}
public static TracerItem ParseFileItem(string line)
{
if (string.IsNullOrEmpty(line))
{
return(null);
}
try
{
string[] substrings = line.Split('|');
if (substrings.Length < 4)
{
SystemMonitor.OperationError("Failed to parse tracer item line [" + line + ", Not enough substrings generated].");
return(null);
}
TracerItem.TypeEnum fullType = (TracerItem.TypeEnum) int.Parse(substrings[0]);
TracerItem.PriorityEnum priority = (TracerItem.PriorityEnum) int.Parse(substrings[1]);
long index = 0;
long.TryParse(substrings[2], out index);
DateTime time;
try
{
string dateTime = substrings[3];
string[] dateTimeParts = dateTime.Split('/');
string[] subParts = dateTimeParts[2].Split(' ');
TimeSpan timeSpan = TimeSpan.Parse(subParts[1]);
time = new DateTime(int.Parse(subParts[0]), int.Parse(dateTimeParts[1]),
int.Parse(dateTimeParts[0]), timeSpan.Hours, timeSpan.Minutes, timeSpan.Seconds, timeSpan.Milliseconds);
}
catch (Exception ex2)
{
SystemMonitor.OperationError("Failed to parse tracer item line [" + line + ", " + ex2.Message + "].");
time = DateTime.MinValue;
}
return(new TracerItem(fullType, time, priority, index.ToString() + " " + substrings[substrings.Length - 1]));
}
catch (Exception ex)
{
SystemMonitor.OperationError("Failed to parse tracer item line [" + line + ", " + ex.Message + "].");
return(null);
}
}
/// <summary>
/// Collect them from a given assembly.
/// </summary>
static public List <Type> GetTypeChildrenTypes(Type typeSearched, System.Reflection.Assembly assembly)
{
List <Type> result = new List <Type>();
Type[] types;
try
{
types = assembly.GetTypes();
}
catch (ReflectionTypeLoadException ex)
{
string message = string.Empty;
foreach (Exception subEx in ex.LoaderExceptions)
{
message += "{" + GeneralHelper.GetExceptionMessage(subEx) + "}";
}
SystemMonitor.OperationError("Failed to load assembly types for [" + typeSearched.Name + ", " + assembly.GetName().Name + "] [" + GeneralHelper.GetExceptionMessage(ex) + ", " + message + "].");
return(result);
}
catch (Exception ex)
{
SystemMonitor.OperationError("Failed to load assembly types for [" + typeSearched.Name + ", " + assembly.GetName().Name + "] [" + GeneralHelper.GetExceptionMessage(ex) + "].");
return(result);
}
foreach (Type type in types)
{
if (typeSearched.IsInterface)
{
List <Type> interfaces = new List <Type>(type.GetInterfaces());
if (interfaces.Contains(typeSearched))
{
result.Add(type);
}
}
else
if (type.IsSubclassOf(typeSearched))
{
result.Add(type);
}
}
return(result);
}
/// <summary>
///
/// </summary>
/// <param name="encryptedValue"></param>
/// <param name="key"></param>
/// <param name="decryptedValue"></param>
/// <returns></returns>
public bool Decrypt(string encryptedValue, SecureString key, out SecureString decryptedValue)
{
decryptedValue = null;
string Password = GeneralHelper.SecureStringToString(key);
string decryptedText;
try
{
byte[] encryptedData = Convert.FromBase64String(encryptedValue);
byte[] Salt = Encoding.ASCII.GetBytes(Password.Length.ToString());
//Making of the key for decryption
PasswordDeriveBytes SecretKey = new PasswordDeriveBytes(Password, Salt);
//Creates a symmetric Rijndael decryptor object.
ICryptoTransform Decryptor = _rijndaelCipher.CreateDecryptor(SecretKey.GetBytes(32), SecretKey.GetBytes(16));
using (MemoryStream memoryStream = new MemoryStream(encryptedData))
{
//Defines the cryptographics stream for decryption.THe stream contains decrpted data
using (CryptoStream cryptoStream = new CryptoStream(memoryStream, Decryptor, CryptoStreamMode.Read))
{
byte[] plainText = new byte[encryptedData.Length];
int decryptedCount = cryptoStream.Read(plainText, 0, plainText.Length);
//Converting to string
decryptedText = Encoding.Unicode.GetString(plainText, 0, decryptedCount);
}
}
}
catch (Exception ex)
{
SystemMonitor.OperationError("Failed to decrypt, reason [" + ex.Message + "]");
return(false);
}
return(true);
}
void ProcessUpdate(WatcherChangeTypes changeType)
{
lock (_syncRoot)
{
// File created, deleted, or first call, setup the reader.
if (_fileStream == null ||
changeType == WatcherChangeTypes.Deleted ||
changeType == WatcherChangeTypes.Created)
{
if (_reader != null)
{
_reader.Dispose();
_reader = null;
}
if (_fileStream != null)
{
_fileStream.Dispose();
_fileStream = null;
}
if (changeType == WatcherChangeTypes.Deleted)
{
return;
}
try
{
_fileStream = new FileStream(FilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_reader = new StreamReader(_fileStream);
}
catch (Exception ex)
{
SystemMonitor.Error(ex.Message);
_reader = null;
_fileStream.Dispose();
_fileStream = null;
}
}
if (_fileStream == null || _fileStream.CanRead == false)
{
return;
}
if (_fileStream.Length < _lastFilePos - 10)
{// File was rewritten start from beggining.
_lastFilePos = 0;
}
try
{
_fileStream.Seek(_lastFilePos, SeekOrigin.Begin);
string line = _reader.ReadLine();
while (line != null)
{
DataUpdateDelegate delegateInstance = NewLineReadEvent;
if (delegateInstance != null)
{
delegateInstance(this, line);
}
line = _reader.ReadLine();
}
}
catch (Exception ex)
{
SystemMonitor.OperationError("Failed to read file", ex);
}
_lastFilePos = _fileStream.Position;
}
}
/// <summary>
///
/// </summary>
public void AddControl(CommonBaseControl control)
{
Point?location = null;
Size? size = null;
if (control.PersistenceData != null && control.PersistenceData.ContainsValue("combinedContainer.Size"))
{
size = control.PersistenceData.GetValue <Size>("combinedContainer.Size");
}
if (control.PersistenceData != null && control.PersistenceData.ContainsValue("combinedContainer.Location"))
{
location = control.PersistenceData.GetValue <Point>("combinedContainer.Location");
}
if (control.PersistenceData != null && control.PersistenceData.ContainsValue("combinedContainer.Floating"))
{
CombinedHostingForm form = SetControlFloating(control);
if (location.HasValue)
{
form.Location = location.Value;
}
// Sometimes persistence may be wrong, so make sure to bring control to view when added.
form.Left = Math.Max(form.Left, 0);
form.Top = Math.Max(form.Top, 0);
form.Left = Math.Min(Screen.PrimaryScreen.WorkingArea.Width, form.Left);
form.Top = Math.Min(Screen.PrimaryScreen.WorkingArea.Height, form.Top);
form.Width = Math.Max(form.Width, 200);
form.Height = Math.Max(form.Height, 150);
if (size.HasValue)
{
form.Size = size.Value;
}
}
else if (control.PersistenceData != null && control.PersistenceData.ContainsValue("combinedContainer.Tabbed"))
{
AddTabbedControl(control);
}
else if (control.PersistenceData != null && control.PersistenceData.ContainsValue("combinedContainer.Docked") &&
control.PersistenceData.ContainsValue("combinedContainer.Guid"))
{
Guid guid = control.PersistenceData.GetValue <Guid>("combinedContainer.Guid");
DragControl dragControl = dragContainerControl.GetDragControlByGuid(guid);
if (dragControl == null)
{
SystemMonitor.OperationError("Guid drag control not found. Using a default new one.");
AddTabbedControl(control);
}
else
{// Reuse the existing drag control and place the new control inside it.
SetControlToDragControl(control, dragControl, Point.Empty);
dragControl.Visible = true;
}
}
else
{// By default add tabbed.
AddTabbedControl(control);
}
}
/// <summary>
/// Update user interface based on the underlying information.
/// </summary>
public void UpdateUI()
{
toolStripButtonSettings.Enabled = _manager != null;
toolStripButtonSearchClear.Enabled = _manager != null;
toolStripButtonSearch.Enabled = _manager != null;
toolStripButtonMarkRead.Enabled = _manager != null;
toolStripLabelSources.Enabled = _manager != null;
toolStripLabelUpdating.Enabled = _manager != null;
toolStripButtonUpdate.Enabled = _manager != null;
toolStripButtonMark.Enabled = _manager != null;
toolStripDropDownButtonSource.Enabled = _manager != null;
toolStripButtonDetails.Checked = newsItemControl1.Visible;
if (_manager == null || this.DesignMode)
{
return;
}
toolStripLabelSources.Text = "Feeds [" + _manager.NewsSourcesArray.Length + "]";
toolStripButtonUpdate.Enabled = !_manager.IsUpdating;
if (_manager.IsUpdating)
{
toolStripLabelUpdating.DisplayStyle = ToolStripItemDisplayStyle.Image;
}
else
{
toolStripLabelUpdating.DisplayStyle = ToolStripItemDisplayStyle.Text;
}
// Obtain all items sorted by time.
SortedList <FinancialNewsEvent, FinancialNewsEvent> combinedSortedItems =
new SortedList <FinancialNewsEvent, FinancialNewsEvent>();
foreach (EventSource source in _manager.NewsSourcesArray)
{
if ((_selectedSource != null && source != _selectedSource) || source.Enabled == false)
{// Source filter limitation.
continue;
}
SortedList <FinancialNewsEvent, FinancialNewsEvent> sourceItems = source.GetAllItems <FinancialNewsEvent>();
foreach (KeyValuePair <FinancialNewsEvent, FinancialNewsEvent> eventPair in sourceItems)
{
if (combinedSortedItems.ContainsKey(eventPair.Key))
{
SystemMonitor.OperationError("Item already added to combined container.");
}
else
{
combinedSortedItems[eventPair.Key] = eventPair.Value;
}
}
}
_items.Clear();
// Filter
foreach (FinancialNewsEvent item in combinedSortedItems.Values)
{
switch (_showMode)
{
case ShowMode.Default:
if (item.IsVisible == false)
{ // All non deleted.
continue;
}
break;
case ShowMode.Deleted:
if (item.IsVisible)
{ // Only deleted.
continue;
}
break;
case ShowMode.Read:
if (item.IsVisible == false || item.IsRead == false)
{ // Visible read.
continue;
}
break;
case ShowMode.UnRead:
if (item.IsVisible == false || item.IsRead)
{ // Visible non read.
continue;
}
break;
case ShowMode.Favourite:
if (item.IsVisible == false || item.IsFavourite == false)
{ // Visible favourites.
continue;
}
break;
default:
break;
}
if (_mode != Mode.Searching || IsItemSearched(item))
{
_items.Insert(0, item);
}
if (MaximumItemsShown > 0 && _items.Count >= MaximumItemsShown)
{
break;
}
if (MaximumItemsShown > 0 && _items.Count >= MaximumItemsShown)
{
break;
}
}
//_items.Reverse();
listView.VirtualListSize = _items.Count;
listView.Invalidate();
listView.UpdateColumnWidths();
// Needed to update scroll state and evade a bug in the list control (problem in any win list control).
//this.listView.Scrollable = false;
//this.listView.Scrollable = true;
}
/// <summary>
///
/// </summary>
/// <param name="errorMessage"></param>
public void OperationError(string errorMessage, TracerItem.PriorityEnum priority)
{
SystemMonitor.OperationError(errorMessage, priority);
}
/// <summary>
/// Report operation error; it is a lighter version of a error, and may be expected to
/// occur during normal operation of the application (for. ex. a given non critical
/// resource was not retrieved, operation has timed out etc.)
/// </summary>
/// <param name="errorMessage"></param>
public void OperationError(string errorMessage)
{
SystemMonitor.OperationError(errorMessage);
}
