/// <summary>
/// Purges a clustered cache item from cache. Calling this method purges the cache record
/// associated with the specified key from all machines on the cluster.
/// </summary>
/// <param name="key">The cache key.</param>
public static void PurgeCacheItem(string key)
{
DataAccessManager dam = new DataAccessManager(ConnectionString);
dam.AddInputParameter("@CacheKey", key);
dam.AddInputParameter("@LastUpdate", DateTime.UtcNow.Ticks);
dam.AddInputParameter("@ApplicationId", ClusteredCacheController.ApplicationId);
dam.ExecuteNonQuery(GetFormattedStoredProcedureName(SP_INSERT_UPDATE));
switch (ClusteredCacheController.ClusteredCachingMode)
{
case ClusteredCachingMode.ServiceBroker:
#region service broker
if (ClusteredCacheController.MillisecondsToSleepAfterCachePurge > 0)
{
Thread.Sleep(ClusteredCacheController.MillisecondsToSleepAfterCachePurge);
}
#endregion
break;
case ClusteredCachingMode.CheckAtRequest:
break;
}
}
/// <summary>
/// Removes an sql dependecy set on a HttpRuntime.Cache key. This method only removes
/// the dependency, it does not purge the actual item from cache.
/// </summary>
public static void RemoveAllDependecies()
{
SqlConnection con = new SqlConnection(_ConnectionString);
DataAccessManager dam = new DataAccessManager(ConnectionString);
dam.AddInputParameter("@ApplicationId", ClusteredCacheController.ApplicationId);
try { dam.ExecuteNonQuery(GetFormattedStoredProcedureName(SP_DELETE_ALL)); }
catch { throw; }
finally
{
switch (ClusteredCacheController.ClusteredCachingMode)
{
case ClusteredCachingMode.ServiceBroker:
#region service broker
_ServiceBrokerDependencies.Clear();
#endregion
break;
case ClusteredCachingMode.CheckAtRequest:
CheckAtRequestDependencies.Clear();
break;
}
}
}
/// <summary>
/// Removes an sql dependecy set on a HttpRuntime.Cache key. This method only removes
/// the dependency, it does not purge the actual item from cache.
/// </summary>
/// <param name="key">The cache key.</param>
public static void RemoveDependecy(string key)
{
SqlConnection con = new SqlConnection(_ConnectionString);
DataAccessManager dam = new DataAccessManager(ConnectionString);
dam.AddInputParameter("@CacheKey", key);
dam.AddInputParameter("@ApplicationId", ClusteredCacheController.ApplicationId);
try { dam.ExecuteNonQuery(GetFormattedStoredProcedureName(SP_DELETE)); }
catch { throw; }
finally
{
switch (ClusteredCacheController.ClusteredCachingMode)
{
case ClusteredCachingMode.ServiceBroker:
#region service broker
string dependencyId = GetDependencyIDFromCacheKey(key);
if (!string.IsNullOrEmpty(dependencyId))
{
_ServiceBrokerDependencies[dependencyId].SqlDependency.OnChange -= OnChange;
_ServiceBrokerDependencies.Remove(dependencyId);
}
#endregion
break;
case ClusteredCachingMode.CheckAtRequest:
CheckAtRequestDependencies.Remove(key);
break;
}
}
}
/// <summary>
/// This methods writes all queued events to the database. Implement this method at the global.asax at web projects to ensure
/// that all the queued events in memory get written to the database at a system crash.
/// </summary>
public static void SafeAllPendingEvents()
{
if (EventLogTable.Count == 0)
{
return;
}
// first generate the xml string
StringBuilder sb = new StringBuilder("<" + INSERT_NODE + ">");
foreach (LogDatasets.EventLogRow row in EventLogTable.Rows)
{
sb.Append(string.Format(INSERT_EVENT_TAG
, row.AppLocation
, row.EventDate.ToString("MM.dd.yyyy HH:mm:ss")
, row.EventType
, row.Message.Replace(@"""", @""").Replace("<", "<").Replace(">", ">")
, row.MachineName
, row.AuthenticatedUserId
, row.ApplicationId));
}
sb.Append("</" + INSERT_NODE + ">");
// now send to the db
DataAccessManager dam = new DataAccessManager(ConnectionString);
dam.AddInputParameter("@EventXml", sb.ToString());
dam.ExecuteNonQuery(GetFormattedStoredProcedureName(SP_EVENTLOG_INSERTBATCH));
// we are finished, clear the table...
EventLogTable.Clear();
}
internal override void UpdateExisting(IMigrationTransaction trx)
{
Debug.Assert(ActionId > 0);
MigrationSqlTransaction sqlTrx = (MigrationSqlTransaction)trx;
using (SqlCommand cmd = sqlTrx.CreateCommand())
{
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "prc_iiUpdateActionState";
cmd.Parameters.Add("@ActionId", SqlDbType.Int).Value = ActionId;
cmd.Parameters.Add("@State", SqlDbType.Int).Value = State;
int rows = DataAccessManager.ExecuteNonQuery(cmd);
Debug.Assert(rows == 1);
if (rows != 1)
{
throw new MigrationException(
string.Format(
MigrationToolkitVCResources.Culture,
MigrationToolkitVCResources.WrongRowCountUpdatingActions,
rows)
);
}
}
}
/// <summary>
/// Updates the exception handling status.
/// </summary>
/// <param name="exceptionId">The id of the exception record to update</param>
/// <param name="handlingStatus">The new handlig status</param>
public static void UpdateExceptionHandlingStatus(long exceptionId, ExceptionHandlingStatus handlingStatus)
{
DataAccessManager dam = new DataAccessManager(ConnectionString);
dam.AddInputParameter("@ExceptionId", exceptionId);
dam.AddInputParameter("@HandlingStatus", (byte)handlingStatus);
dam.ExecuteNonQuery(GetFormattedStoredProcedureName(SP_EXCEPTIONS_UPDATE));
}
/// <summary>
/// Deletes exception records older than a specific amount of days.
/// </summary>
/// <param name="applicationId">The application id.</param>
/// <param name="exceptionId">The ExceptionId of the exception record to delete</param>
/// <param name="olderThanInDays">The amount of days.</param>
protected static void DeleteExceptionRecords(int?applicationId, long?exceptionId, int?olderThanInDays)
{
DataAccessManager dam = new DataAccessManager(ConnectionString);
dam.AddInputParameter("@ApplicationId", (applicationId.HasValue ? applicationId.Value : -1));
dam.AddInputParameter("@ExceptionId", (exceptionId.HasValue ? exceptionId.Value : -1));
dam.AddInputParameter("@OlderThanInDays", (olderThanInDays.HasValue ? olderThanInDays.Value : -1));
dam.ExecuteNonQuery(GetFormattedStoredProcedureName(SP_EXCEPTIONS_DELETE));
}
/// <summary>
/// Deletes the event records.
/// </summary>
/// <param name="applicationId">The application id.</param>
/// <param name="eventId">The EventId of the record to delete.</param>
/// <param name="olderThanInDays">The amount of days.</param>
/// <param name="eventTypeFilter">The event type filter.</param>
protected static void DeleteEventRecords(int?applicationId, long?eventId, int?olderThanInDays, int?eventTypeFilter)
{
DataAccessManager dam = new DataAccessManager(ConnectionString);
dam.AddInputParameter("@ApplicationId", (applicationId.HasValue ? applicationId.Value : -1));
dam.AddInputParameter("@EventId", (eventId.HasValue ? eventId.Value : -1));
dam.AddInputParameter("@OlderThanInDays", (olderThanInDays.HasValue ? olderThanInDays.Value : -1));
dam.AddInputParameter("@EventType", (eventTypeFilter.HasValue ? eventTypeFilter.Value : -1));
dam.ExecuteNonQuery(GetFormattedStoredProcedureName(SP_EVENTLOG_DELETE));
}
/// <summary>
/// Logs an event.
/// </summary>
/// <param name="applicationId">The application id.</param>
/// <param name="appLocation">The Application location. This parameter should represent where in your application the event occurred, e.g. MyEnum.BusinessLayer or MyEnum.UserCreation</param>
/// <param name="eventType">Type of the event. This parameter should represent the type of your event, e.g. MyEnum.Information</param>
/// <param name="message">The event message.</param>
/// <param name="authenticatedUserId">The authenticated user id.</param>
public static void LogEvent(int applicationId, int appLocation, int eventType, string message, string authenticatedUserId)
{
DataAccessManager dam = new DataAccessManager(ConnectionString);
dam.AddInputParameter("@ApplicationId", applicationId);
dam.AddInputParameter("@AppLocation", appLocation);
dam.AddInputParameter("@EventType", eventType);
dam.AddInputParameter("@Message", message);
dam.AddInputParameter("@MachineName", System.Environment.MachineName);
dam.AddInputParameter("@AuthenticatedUserId", authenticatedUserId);
dam.ExecuteNonQuery(GetFormattedStoredProcedureName(SP_EVENTLOG_INSERT));
}
/// <summary>
/// Logs an exception.
/// </summary>
/// <param name="applicationId">The application id.</param>
/// <param name="appLocation">The Application location. This parameter should represent where in your application the event occurred, e.g. MyEnum.BusinessLayer or MyEnum.UserCreation</param>
/// <param name="handlindStatus">The handling status of this exception.</param>
/// <param name="e">The exception to log.</param>
/// <param name="authenticatedUserId">The authenticated user id.</param>
public static void LogException(int applicationId, int appLocation, ExceptionHandlingStatus handlindStatus, Exception e, string authenticatedUserId)
{
DataAccessManager dam = new DataAccessManager(ConnectionString);
string hashCode = string.Empty;
HttpContext context = HttpContext.Current;
if (context != null)
{
hashCode = (appLocation.ToString() + context.Request.Url.PathAndQuery + e.ToString());
dam.AddInputParameter("@ApplicationId", applicationId);
dam.AddInputParameter("@AppLocation", appLocation);
dam.AddInputParameter("@Exception", e.GetType().ToString());
dam.AddInputParameter("@ExceptionMessage", ConversionHelper.GetFormattedException(string.Empty, e, TextFormat.HTML));
dam.AddInputParameter("@Method", e.TargetSite == null ? string.Empty : e.TargetSite.ToString());
dam.AddInputParameter("@IPAddress", context.Request.UserHostAddress);
dam.AddInputParameter("@UserAgent", context.Request.UserAgent);
dam.AddInputParameter("@HttpReferrer", context.Request.UrlReferrer == null ? null : context.Request.UrlReferrer.ToString());
dam.AddInputParameter("@HttpVerb", context.Request.HttpMethod);
dam.AddInputParameter("@Url", context.Request.Url.ToString());
dam.AddInputParameter("@HashCode", hashCode.GetHashCode());
dam.AddInputParameter("@HandlingStatus", (byte)handlindStatus);
dam.AddInputParameter("@AuthenticatedUserId", authenticatedUserId);
dam.AddInputParameter("@MachineName", System.Environment.MachineName);
}
else
{
hashCode = (appLocation.ToString() + e.ToString());
dam.AddInputParameter("@ApplicationId", applicationId);
dam.AddInputParameter("@AppLocation", appLocation);
dam.AddInputParameter("@Exception", e.GetType().ToString());
dam.AddInputParameter("@ExceptionMessage", ConversionHelper.GetFormattedException(string.Empty, e, TextFormat.HTML));
dam.AddInputParameter("@Method", e.TargetSite == null ? string.Empty : e.TargetSite.ToString());
dam.AddInputParameter("@IPAddress", null);
dam.AddInputParameter("@UserAgent", null);
dam.AddInputParameter("@HttpReferrer", null);
dam.AddInputParameter("@HttpVerb", null);
dam.AddInputParameter("@Url", null);
dam.AddInputParameter("@HashCode", hashCode.GetHashCode());
dam.AddInputParameter("@HandlingStatus", (byte)handlindStatus);
dam.AddInputParameter("@AuthenticatedUserId", authenticatedUserId);
dam.AddInputParameter("@MachineName", System.Environment.MachineName);
}
dam.ExecuteNonQuery(GetFormattedStoredProcedureName(SP_EXCEPTIONS_INSERT));
}
/// <summary>
/// Adds an object to the HttpRuntime.Cache collection and sets an SQL Dependency on it's
/// key.
/// </summary>
/// <param name="key">The cache key.</param>
/// <param name="item">The item to add to the cache.</param>
/// <param name="priority">The priority.</param>
public static void AddCacheItem(string key, object item, CacheItemPriority priority)
{
if (ClusteredCacheController.ClusteredCachingMode == ClusteredCachingMode.ServiceBroker)
{
if (_ServiceBrokerDependencies.ContainsKey(key))
{
_ServiceBrokerDependencies.Remove(key);
}
}
#region insert/update at database
long utcNow = DateTime.UtcNow.Ticks;
DataAccessManager dam = new DataAccessManager(ConnectionString);
dam.AddInputParameter("@CacheKey", key);
dam.AddInputParameter("@LastUpdate", utcNow);
dam.AddInputParameter("@ApplicationId", ClusteredCacheController.ApplicationId);
dam.ExecuteNonQuery(GetFormattedStoredProcedureName(SP_INSERT_UPDATE));
#endregion
#region add to cache collection
HttpRuntime.Cache.Remove(key);
HttpRuntime.Cache.Insert(key, item, null, Cache.NoAbsoluteExpiration, Cache.NoSlidingExpiration, priority, null);
#endregion
#region add dependency
switch (ClusteredCacheController.ClusteredCachingMode)
{
case ClusteredCachingMode.ServiceBroker:
#region service broker
SqlConnection con = new SqlConnection(_ConnectionString);
SqlCommand cmd = new SqlCommand(GetFormattedStoredProcedureName(SP_SELECT), con);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add("@CacheKey", SqlDbType.NVarChar, 256);
cmd.Parameters[0].Value = key;
// Clear any existing notifications
cmd.Notification = null;
// Create the dependency for this command
SqlDependency dependency = new SqlDependency(cmd);
// Add the event handler
dependency.OnChange += new OnChangeEventHandler(OnChange);
#region execute reader
try
{
con.Open();
// Execute the command.
cmd.ExecuteReader();
// Process the DataReader
}
catch (SqlException err)
{
DataAccessManager.ThrowDataAccessManagerException(err, GetFormattedStoredProcedureName(SP_SELECT));
}
finally
{
con.Close();
}
#endregion
_ServiceBrokerDependencies.Add(dependency.Id, new CacheKeySqlDependency()
{
CacheKey = key, SqlDependency = dependency
});
#endregion
break;
case ClusteredCachingMode.CheckAtRequest:
if (CheckAtRequestDependencies.ContainsKey(key))
{
CheckAtRequestDependencies[key] = GetCheckAtRequestInfo(utcNow);
}
else
{
CheckAtRequestDependencies.Add(key, GetCheckAtRequestInfo(utcNow));
}
break;
}
#endregion
}