/// <summary>
/// 获取域名服务信息
/// </summary>
/// <param name="domain">域名</param>
/// <param name="size">域名长度</param>
/// <returns>域名服务信息</returns>
internal DomainServer Get(byte *domain, int size)
{
if (searcher.State != null)
{
if (lastDomainSize == size && lastLock.TryEnter())
{
if (lastDomainSize == size && AutoCSer.Memory.Common.SimpleEqualNotNull(lastDomain.Byte, domain, lastDomainSize))
{
DomainServer server = lastServer;
lastLock.Exit();
return(server);
}
lastLock.Exit();
}
int index = searcher.Search(domain, domain + size);
if (index >= 0)
{
DomainServer server = servers[index];
if (server != null)
{
if (lastLock.TryEnter())
{
if (lastDomain.Byte == null)
{
lastLock.SleepFlag = 1;
try
{
lastDomain = Unmanaged.GetPointer(Server.MaxDomainSize, false);
AutoCSer.Memory.Common.SimpleCopyNotNull(domain, lastDomain.Byte, lastDomainSize = size);
lastServer = server;
}
finally { lastLock.ExitSleepFlag(); }
}
else
{
AutoCSer.Memory.Common.SimpleCopyNotNull(domain, lastDomain.Byte, lastDomainSize = size);
lastServer = server;
lastLock.Exit();
}
}
return(server);
}
}
}
return(null);
}
/// <summary>
/// 获取域名服务信息
/// </summary>
/// <param name="domain">域名</param>
/// <param name="size">域名长度</param>
/// <returns>域名服务信息</returns>
internal DomainServer Get(byte *domain, int size)
{
if (searcher.State != null)
{
if (lastDomainSize == size && Monitor.TryEnter(lastLock))
{
if (lastDomainSize == size && Memory.SimpleEqualNotNull(lastDomain.Byte, domain, lastDomainSize))
{
DomainServer server = lastServer;
Monitor.Exit(lastLock);
return(server);
}
Monitor.Exit(lastLock);
}
int index = searcher.Search(domain, domain + size);
if (index >= 0)
{
DomainServer server = servers[index];
if (server != null)
{
if (Monitor.TryEnter(lastLock))
{
if (lastDomain.Byte == null)
{
try
{
lastDomain = Unmanaged.Get(Server.MaxDomainSize, false, false);
Memory.SimpleCopyNotNull(domain, lastDomain.Byte, lastDomainSize = size);
lastServer = server;
}
finally { Monitor.Exit(lastLock); }
}
else
{
Memory.SimpleCopyNotNull(domain, lastDomain.Byte, lastDomainSize = size);
lastServer = server;
Monitor.Exit(lastLock);
}
}
return(server);
}
}
}
return(null);
}
