/// <summary>
/// 异步更新秘钥
/// </summary>
/// <param name="session"></param>
/// <param name="secretVersion"></param>
private void AsynUpdateSecret(string session, Nullable <Int64> secretVersion)
{
string cacheKey = GenerateSecretKey(session, secretVersion);
lock (AsynQueueKeyLock)
{
// 不需要重复提交秘钥请求
if (asynQueueKey.ContainsKey(cacheKey))
{
return;
}
SecretContext secretContext = GetSecret(session, GenerateSecretKey(session, secretVersion));
if (secretContext != null && secretContext.IsValid())
{
return;
}
asynQueueKey.Add(cacheKey, EmptyObject);
}
WaitCallback secretApiCallback = (state) =>
{
try
{
CallSecretApi(session, secretVersion);
}
catch (Exception e)
{
Log.Error(string.Format("asyn update secret error: {0}", e.Message));
}
finally
{
lock (AsynQueueKeyLock)
{
asynQueueKey.Remove(cacheKey);
}
}
};
try
{
ThreadPool.QueueUserWorkItem(secretApiCallback);
}
catch (Exception e)
{
lock (AsynQueueKeyLock)
{
asynQueueKey.Remove(cacheKey);
}
Log.Error(string.Format("add QueueUserWorkItem error: {0}", e.Message));
}
}
/// <summary>
/// 获取秘钥
/// </summary>
/// <param name="session"></param>
/// <param name="secretVersion"></param>
/// <returns></returns>
public SecretContext GetSecret(string session, Nullable <Int64> secretVersion)
{
SecretContext secretContext = GetSecret(session, GenerateSecretKey(session, secretVersion));
if (secretContext != null)
{
if (secretContext.IsValid())
{
return(secretContext);
}
if (secretContext.IsMaxValid())
{
// 异步更新秘钥
AsynUpdateSecret(session, secretVersion);
return(secretContext);
}
string cacheKey = GenerateSecretKey(session, secretVersion);
lock (CacheLock)
{
if (session != null)
{
AppUserSecretCache.Remove(cacheKey);
}
else
{
AppSecretCache.Remove(cacheKey);
}
}
// 同步调用获取秘钥
return(CallSecretApi(session, secretVersion));
}
else
{
// 同步调用获取秘钥
return(CallSecretApi(session, secretVersion));
}
}