/// <summary>
/// Checks if any items have changed in the Session, and stores the results to Redis
/// </summary>
/// <param name="context">The HttpContext of the current web request</param>
/// <param name="id">The Session Id and Redis key name</param>
/// <param name="item">The Session properties</param>
/// <param name="lockId">The object used to exclusively lock the Session (there shouldn't be one)</param>
/// <param name="newItem">Whether or not the Session was created in this HttpContext</param>
public override void SetAndReleaseItemExclusive(HttpContext context, string id, SessionStateStoreData item, object lockId, bool newItem)
{
try
{
string currentRedisHashId = RedisSessionStateStoreProvider.RedisHashIdFromSessionId(
new HttpContextWrapper(context),
id);
LocalSharedSessionDictionary sharedSessDict = new LocalSharedSessionDictionary();
RedisSessionStateItemCollection redisItems =
sharedSessDict.GetSessionForEndRequest(currentRedisHashId);
if (redisItems != null)
{
RedisSessionStateStoreProvider.SerializeToRedis(
new HttpContextWrapper(context),
redisItems,
currentRedisHashId,
this.SessionTimeout);
}
}
catch (Exception e)
{
if (RedisSessionConfig.SessionExceptionLoggingDel != null)
{
RedisSessionConfig.SessionExceptionLoggingDel(e);
}
}
}
/// <summary>
/// This method is called when the Session decides that no element has been modified. Due to
/// the implementation of RedisSessionProvider.RedisSessionStateItemCollection, this method
/// is never called (because the .Dirty property always returns true). The reason is because
/// we always dirty-check the collection in SetAndReleaseItemExclusive to ensure Session
/// correctness.
/// </summary>
/// <param name="context">The HttpContext of the current web request</param>
/// <param name="id">The SessionId of the current request</param>
/// <param name="lockId">A lock around the current Session so no other web request can modify it
/// simultaneously</param>
public override void ReleaseItemExclusive(HttpContext context, string id, object lockId)
{
// if, for some reason, we are in this method we still want to record that we are no
// longer going to use a session in local cache
LocalSharedSessionDictionary sharedSessDict = new LocalSharedSessionDictionary();
sharedSessDict.GetSessionForEndRequest(RedisHashIdFromSessionId(new HttpContextWrapper(context), id));
}
/// <summary>
/// Checks if any items have changed in the Session, and stores the results to Redis
/// </summary>
/// <param name="context">The HttpContext of the current web request</param>
/// <param name="id">The Session Id and Redis key name</param>
/// <param name="item">The Session properties</param>
/// <param name="lockId">The object used to exclusively lock the Session (there shouldn't be one)</param>
/// <param name="newItem">Whether or not the Session was created in this HttpContext</param>
public override void SetAndReleaseItemExclusive(HttpContext context, string id, SessionStateStoreData item, object lockId, bool newItem)
{
try
{
string currentRedisHashId = RedisSessionStateStoreProvider.RedisHashIdFromSessionId(
new HttpContextWrapper(context),
id);
LocalSharedSessionDictionary sharedSessDict = new LocalSharedSessionDictionary();
RedisSessionStateItemCollection redisItems =
sharedSessDict.GetSessionForEndRequest(currentRedisHashId);
// we were unable to pull it from shared cache, meaning either this is the first request or
// something went wrong with the local cache. We still have all the parts needed to write
// to redis, however, by looking at SessionStateStoreData passed in from the Session module
// and the current hash key provided by the id parameter.
if (redisItems == null)
{
redisItems = (RedisSessionStateItemCollection)item.Items;
}
if (redisItems != null)
{
RedisSessionStateStoreProvider.SerializeToRedis(
new HttpContextWrapper(context),
redisItems,
currentRedisHashId,
this.SessionTimeout);
}
}
catch (Exception e)
{
if (RedisSessionConfig.SessionExceptionLoggingDel != null)
{
RedisSessionConfig.SessionExceptionLoggingDel(e);
}
}
}
/// <summary>
/// Checks if any items have changed in the Session, and stores the results to Redis
/// </summary>
/// <param name="context">The HttpContext of the current web request</param>
/// <param name="id">The Session Id and Redis key name</param>
/// <param name="item">The Session properties</param>
/// <param name="lockId">The object used to exclusively lock the Session (there shouldn't be one)</param>
/// <param name="newItem">Whether or not the Session was created in this HttpContext</param>
public override void SetAndReleaseItemExclusive(HttpContext context, string id, SessionStateStoreData item, object lockId, bool newItem)
{
try
{
string currentRedisHashId = RedisSessionStateStoreProvider.RedisHashIdFromSessionId(
new HttpContextWrapper(context),
id);
LocalSharedSessionDictionary sharedSessDict = new LocalSharedSessionDictionary();
RedisSessionStateItemCollection redisItems =
sharedSessDict.GetSessionForEndRequest(currentRedisHashId);
// we were unable to pull it from shared cache, meaning either this is the first request or
// something went wrong with the local cache. We still have all the parts needed to write
// to redis, however, by looking at SessionStateStoreData passed in from the Session module
// and the current hash key provided by the id parameter.
if (redisItems == null)
{
redisItems = (RedisSessionStateItemCollection)item.Items;
}
if (redisItems != null)
{
RedisSessionStateStoreProvider.SerializeToRedis(
new HttpContextWrapper(context),
redisItems,
currentRedisHashId,
this.SessionTimeout);
}
}
catch (Exception e)
{
if (RedisSessionConfig.SessionExceptionLoggingDel != null)
{
RedisSessionConfig.SessionExceptionLoggingDel(e);
}
}
}
/// <summary>
/// This method is called when the Session decides that no element has been modified. Due to
/// the implementation of RedisSessionProvider.RedisSessionStateItemCollection, this method
/// is never called (because the .Dirty property always returns true). The reason is because
/// we always dirty-check the collection in SetAndReleaseItemExclusive to ensure Session
/// correctness.
/// </summary>
/// <param name="context">The HttpContext of the current web request</param>
/// <param name="id">The SessionId of the current request</param>
/// <param name="lockId">A lock around the current Session so no other web request can modify it
/// simultaneously</param>
public override void ReleaseItemExclusive(HttpContext context, string id, object lockId)
{
// if, for some reason, we are in this method we still want to record that we are no
// longer going to use a session in local cache
string currentRedisHashId = RedisSessionStateStoreProvider.RedisHashIdFromSessionId(
new HttpContextWrapper(context),
id);
LocalSharedSessionDictionary sharedSessDict = new LocalSharedSessionDictionary();
sharedSessDict.GetSessionForEndRequest(currentRedisHashId);
}
