/// <summary>
/// 开始set
/// </summary>
private bool TrySetValue(Command command, string key, byte[] value, byte flag, TimeSpan expireTime)
{
if (expireTime < TimeSpan.Zero)
{
return(true);
}
if (key.IsNullOrWhiteSpace())
{
return(false);
}
var hv = this.SumASCII(key);
var sort = this.SortServer(hv, this.connectionPools.Length);
foreach (var s in sort)
{
if (dodo(this.connectionPools[s]))
{
return(true);
}
}
return(false);
//开始set
bool dodo(ConnectionPool pool)
{
var request = BinaryConvert.AddRequest(command, key, value, flag, this.GetTotalSecond(expireTime));
var item = pool.Alloc();
try
{
item.Connection.Write(request);
item.Connection.Flush();
var @byte = item.Connection.Read(24);
var status = BinaryConvert.ParseStatus(@byte);
switch ((BinaryProtocols.ResponseStatus)status)
{
case BinaryProtocols.ResponseStatus.NoError:
{
return(true);
}
case BinaryProtocols.ResponseStatus.KeyExists:
{
//主要是这里引出不同
return(command == Command.add ? false : true);
}
case BinaryProtocols.ResponseStatus.KeyNotFound:
{
if (this.LoggerBuilder == null)
{
return(false);
}
this.LoggerBuilder().Build(typeof(TextCached)).Info(string.Concat(command, "key", key, "not stored"));
return(false);
}
default:
{
if (this.LoggerBuilder != null)
{
this.LoggerBuilder().Build(typeof(TextCached)).Info(string.Concat(command, "key", key, "status:", status));
}
return(false);
}
}
}
catch (Exception)
{
return(false);
}
finally
{
pool.Recycle(item);
}
}
}