public static Result TestWork(Message message, string username, string password)
{
byte[] data;
if (ParseInput(message, out data))
{
bool localCheckResult = false;
bool networkCheckResult = false;
Work work = new Work(data);
Bot bot = Bot.FindBy(username, password);
if (bot == null)
{
if (work.HashScore < 7)
{
//sorry, you don't meet the minimal requirement.
return(RejectResult);
}
bot = Bot.Create(username, password);
}
//需要重大改进的地方：
// 对hash进行简单判断后立刻返回，可以减少对 tcp 连接的占用
// 目前 mining 客户端连接到服务器之后，要等到服务器提交结果并得到反馈之后才能关闭连接
// 因此mining 客户端的连接时间肯定比服务器提交时间要长，如果有100个提交，那么应该就有200个连接在服务器上，
// 有可能造成严重阻塞。
//
//当使用人数上升之后需要为 getwork 及 submitwork 增加二级缓存的概念。
//submit to gateway
try
{
//
var localResult = ComputeManager.Gateway.SubmitWork(message);
localCheckResult = (bool)localResult.Data;
var server = ComputeManager.ByBot(bot);
//log to database
if (localCheckResult)
{
string hash = message.Arguments[0];
Server.Recent.LogBotSubmit(bot, hash);
Block block;
BlockManager.Instance.CreateOrRetrieve(work.PreviousHash, out block);
Server.Recent.LogShare(bot, block, server.MineId, hash, localCheckResult, networkCheckResult);
}
return(localResult);
}
catch (Exception e)
{
logger.Error("Error on submit to gateway - Id:" + ComputeManager.Gateway.MineId, e);
}
}
return(RejectResult);
}
public static Result SubmitWork(Message message, string username, string password)
{
Bot bot = Bot.FindBy(username, password);
if (bot == null)
{
throw new InvalidOperationException("Bot does not exists.");
}
//submit offshore mining pool
var server = ComputeManager.ByBot(bot);
var networkResult = server.SubmitWork(message);
// 无论远程返回的结果如何，均不影响分配
return(networkResult);
}
public static Result GetWork(string username, string password, AsyncCallback callback)
{
Bot bot = null;
if (!string.IsNullOrEmpty(username) && !string.IsNullOrEmpty(password))
{
bot = Bot.FindBy(username, password);
}
if (bot == null)
{
bot = Bot.Default;
}
var mineMgr = ComputeManager.ByBot(bot);
var work = mineMgr.GetWork(callback);
return(work);
}
public static ComputeManager ByBot(Bot bot)
{
ComputeManager computeMgr;
if (!instances.TryGetValue(bot.Id, out computeMgr))
{
lock (instances)
{
if (!instances.TryGetValue(bot.Id, out computeMgr))
{
computeMgr = new ComputeManager(bot);
computeMgr.UpdateServerWithPreferredMineAndCredential();
instances[bot.Id] = computeMgr;
}
}
}
return(computeMgr);
}
