internal SessionStateStoreData CreateUninitializedItem2(HttpContext context, string id, int timeout)
{
SessionStateStoreData data = CreateNewStoreData(context, timeout);
// 将Session数据写入文件
byte[] bytes = SessionUtils.SerializeStoreData(data, 7000);
FileStore.SaveToFile(bytes, id);
return(data);
}
private SessionStateStoreData LoadSessionState(HttpContext context, string id, byte[] bytes)
{
using (MemoryStream memoryStream = new MemoryStream(bytes)) {
try {
SessionStateStoreData data = SessionUtils.DeserializeStoreData(context, memoryStream);
return(SessionUtils.CreateLegitStoreData(context, data.Items, data.StaticObjects, data.Timeout));
}
catch (EndOfStreamException ex1) {
throw new EndOfStreamException("无效的会话数据，当前会话文件：" + FileStore.GetSessionFilePath(id), ex1);
}
catch (InvalidDataException ex2) {
throw new InvalidDataException("无效的会话数据，当前会话文件：" + FileStore.GetSessionFilePath(id), ex2);
}
}
}
/// <summary>
/// 缓存过期导致的清理
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="reason"></param>
public void OnCacheItemRemoved(string key, object value, CacheItemRemovedReason reason)
{
if (reason == CacheItemRemovedReason.Expired)
{
// 删除Session数据文件
string id = key.Substring(CacheStore.KeyPrefix.Length);
_fileStore.DeleteFile(id);
if (this._expireCallback != null)
{
SessionStateStoreData state = (SessionStateStoreData)value;
this._expireCallback(id, SessionUtils.CreateLegitStoreData(null, state.Items, state.StaticObjects, state.Timeout));
}
}
}
public override SessionStateStoreData CreateNewStoreData(HttpContext context, int timeout)
{
return(SessionUtils.CreateLegitStoreData(context, null, null, timeout));
}
public override void SetAndReleaseItemExclusive(HttpContext context, string id, SessionStateStoreData item, object lockId, bool newItem)
{
byte[] bytes = SessionUtils.SerializeStoreData(item, 7000);
FileStore.SaveToFile(bytes, id);
}