/// <summary>
/// Helper method for serializing objects to Redis
/// </summary>
/// <param name="confirmedChangedObjects">keys and values that have definitely changed</param>
/// <param name="allObjects">keys and values that have been accessed during the current HttpContext</param>
/// <param name="allObjectsOriginalState">keys and serialized values before we tampered with them</param>
/// <param name="deletedObjects">keys that were deleted during the current HttpContext</param>
/// <param name="currentRedisHashId">The current Redis key name</param>
/// <param name="redisConn">A connection to Redis</param>
public static void SerializeToRedis(
HttpContextBase context,
RedisSessionStateItemCollection redisItems,
string currentRedisHashId,
TimeSpan expirationTimeout)
{
List <HashEntry> setItems = new List <HashEntry>();
List <RedisValue> delItems = new List <RedisValue>();
RedisConnectionWrapper rConnWrap = RedisSessionStateStoreProvider.RedisConnWrapperFromContext(
context);
foreach (KeyValuePair <string, string> changedObj in
redisItems.GetChangedObjectsEnumerator())
{
if (changedObj.Value != null)
{
setItems.Add(
new HashEntry(
changedObj.Key,
changedObj.Value));
}
else
{
delItems.Add(changedObj.Key);
}
}
IDatabase redisConn = rConnWrap.GetConnection();
redisConn.KeyExpire(
currentRedisHashId,
expirationTimeout,
CommandFlags.FireAndForget);
if (setItems.Count > 0)
{
redisConn.HashSet(
currentRedisHashId,
setItems.ToArray(),
CommandFlags.FireAndForget);
}
if (delItems != null && delItems.Count > 0)
{
redisConn.HashDelete(
currentRedisHashId,
delItems.ToArray(),
CommandFlags.FireAndForget);
}
}
/// <summary>
/// Helper method for serializing objects to Redis
/// </summary>
/// <param name="confirmedChangedObjects">keys and values that have definitely changed</param>
/// <param name="allObjects">keys and values that have been accessed during the current HttpContext</param>
/// <param name="allObjectsOriginalState">keys and serialized values before we tampered with them</param>
/// <param name="deletedObjects">keys that were deleted during the current HttpContext</param>
/// <param name="currentRedisHashId">The current Redis key name</param>
/// <param name="redisConn">A connection to Redis</param>
public static void SerializeToRedis(HttpContextBase context, RedisSessionStateItemCollection redisItems, string currentRedisHashId, TimeSpan expirationTimeout)
{
RedisConnectionWrapper rConnWrap = RedisSessionStateStoreProvider.RedisConnWrapperFromContext(context);
var setItems = new List <HashEntry>();
var delItems = new List <RedisValue>();
// Determine if we are adding or removing keys, separate them into their own lists
// note that redisItems.GetChangedObjectsEnumerator contains complex logic
foreach (KeyValuePair <string, string> changedObj in redisItems.GetChangedObjectsEnumerator())
{
if (changedObj.Value != null)
{
setItems.Add(new HashEntry(changedObj.Key, changedObj.Value));
}
else
{
delItems.Add(changedObj.Key);
}
}
IDatabase redisConn = rConnWrap.GetConnection(currentRedisHashId);
if (setItems.Count > 0)
{
HashEntry[] writeItems = setItems.ToArray();
redisConn.HashSet(currentRedisHashId, writeItems, CommandFlags.FireAndForget);
// call appropriate delegate if set for changing keys
if (RedisSessionConfig.RedisWriteFieldDel != null)
{
RedisSessionConfig.RedisWriteFieldDel(context, writeItems, currentRedisHashId);
}
}
if (delItems != null && delItems.Count > 0)
{
RedisValue[] removeItems = delItems.ToArray();
redisConn.HashDelete(currentRedisHashId, removeItems, CommandFlags.FireAndForget);
// call appropriate delegate if set for removing keys
if (RedisSessionConfig.RedisRemoveFieldDel != null)
{
RedisSessionConfig.RedisRemoveFieldDel(context, removeItems, currentRedisHashId);
}
}
// always refresh the timeout of the session hash
redisConn.KeyExpire(currentRedisHashId, expirationTimeout, CommandFlags.FireAndForget);
}
/// <summary>
/// Helper method for serializing objects to Redis
/// </summary>
/// <param name="confirmedChangedObjects">keys and values that have definitely changed</param>
/// <param name="allObjects">keys and values that have been accessed during the current HttpContext</param>
/// <param name="allObjectsOriginalState">keys and serialized values before we tampered with them</param>
/// <param name="deletedObjects">keys that were deleted during the current HttpContext</param>
/// <param name="currentRedisHashId">The current Redis key name</param>
/// <param name="redisConn">A connection to Redis</param>
public static void SerializeToRedis(
HttpContextBase context,
RedisSessionStateItemCollection redisItems,
string currentRedisHashId,
TimeSpan expirationTimeout)
{
List<HashEntry> setItems = new List<HashEntry>();
List<RedisValue> delItems = new List<RedisValue>();
RedisConnectionWrapper rConnWrap = RedisSessionStateStoreProvider.RedisConnWrapperFromContext(
context);
// Determine if we are adding or removing keys, separate them into their own lists
// note that redisItems.GetChangedObjectsEnumerator contains complex logic
foreach (KeyValuePair<string, string> changedObj in
redisItems.GetChangedObjectsEnumerator())
{
if (changedObj.Value != null)
{
setItems.Add(
new HashEntry(
changedObj.Key,
changedObj.Value));
}
else
{
delItems.Add(changedObj.Key);
}
}
IDatabase redisConn = rConnWrap.GetConnection();
if (setItems.Count > 0)
{
HashEntry[] writeItems = setItems.ToArray();
redisConn.HashSet(
currentRedisHashId,
writeItems,
CommandFlags.FireAndForget);
// call appropriate delegate if set for changing keys
if(RedisSessionConfig.RedisWriteFieldDel != null)
{
RedisSessionConfig.RedisWriteFieldDel(
context,
writeItems,
currentRedisHashId);
}
}
if (delItems != null && delItems.Count > 0)
{
RedisValue[] removeItems = delItems.ToArray();
redisConn.HashDelete(
currentRedisHashId,
removeItems,
CommandFlags.FireAndForget);
// call appropriate delegate if set for removing keys
if(RedisSessionConfig.RedisRemoveFieldDel != null)
{
RedisSessionConfig.RedisRemoveFieldDel(
context,
removeItems,
currentRedisHashId);
}
}
// always refresh the timeout of the session hash
redisConn.KeyExpire(
currentRedisHashId,
expirationTimeout,
CommandFlags.FireAndForget);
}
