private async Task <(RegionClient client, RegionInfo info)> ResolveRegion(ICall rpc, CancellationToken token)
{
RegionInfo reg = null;
RegionClient client = null;
var millisecondsTimeout = 60000;
var oldTime = DateTime.Now;
reg = GetInfoFromCache(rpc.Table, rpc.Key);
client = reg?.Client;
if (true == client?.IsInvalid)
{
_cache.ClientDown(reg);
client = null;
}
if (client == null)
{
_loadRegionQueue.Enqueue(rpc);
await TaskEx.WaitOn(() =>
{
reg = GetInfoFromCache(rpc.Table, rpc.Key);
client = reg?.Client;
return(client == null && rpc.FindRegionRetryCount < RetryCount);
}, 5, millisecondsTimeout);
}
return(client, reg);
}