private async Task UpdateQuestionProcess2Code()
{
var questionId = _spush.QuestionId;
using (var db = new JudgerDbContext())
{
var contains = await db.ContainsProcess2Code(questionId);
bool needUpdate = true;
if (contains)
{
var item = (DbHashModel)_lockM.JudgeCode;
var dbItem = await db.FindProcess2HashById(questionId);
if (dbItem.UpdateTicks == item.UpdateTicks)
{
needUpdate = false;
}
}
if (needUpdate)
{
// 数据过期，需要执行更新操作。
if (contains)
{
_log.Info("P2Code expired, updating from server.");
}
else
{
_log.Info("P2Code not exist, fetching from server.");
}
_fullM = await _client.GetProcess2Code(questionId);
var toDbItem = (QuestionP2Code)_fullM;
await db.DeleteAndCreateProcess2Code(toDbItem);
}
else
{
var dbItem = await db.FindProcess2CodeById(questionId);
_fullM = (QuestionProcess2FullModel)dbItem;
}
}
}
public override async Task ExecuteAsync()
{
// 获取并锁定解答的详情。
_sfull = await _client.Lock(_spush.Id);
if (_sfull == null)
{
_log.InfoExt(() => $"Failed to lock {_spush.Id}, move next.");
return;
}
await UpdateQuestionData();
var compiler = CompilerProvider.GetCompiler(_spush.Language);
CompileResult asm = compiler.Compile(_sfull.Source);
if (asm.HasErrors)
{
await _client.Update(ClientJudgeModel.CreateCompileError(_spush.Id, asm.Output));
return;
}
else
{
await _client.UpdateInLock(_spush.Id, SolutionState.Judging);
}
IEnumerable <QuestionData> datas;
using (var db = new JudgerDbContext())
{
var dataIds = _sfull.QuestionDatas
.Select(x => x.Id).ToArray();
datas = await db.FindDatasByIds(dataIds);
}
// Judging
using (compiler)
{
await Judge(datas, asm, compiler.GetEncoding());
}
}
private async Task UpdateQuestionData()
{
// 与本地数据库对比时间戳。
var serverItems = _sfull.QuestionDatas
.OrderBy(x => x.Id)
.Select(x => (DbHashModel)x)
.ToArray();
var ids = _sfull.QuestionDatas.Select(x => x.Id);
using (var db = new JudgerDbContext())
{
var dbItems = await db.FindDataSummarysByIdsInOrder(ids);
var except = serverItems.Except(dbItems).ToArray();
// 将旧数据或者没有的数据更新。
if (except.Length > 0)
{
_log.InfoFormat("Found dirty datas, try get {0} data from server.", except.Length);
var hubDatas = await _client.GetDatas(except.Select(x => x.Id).ToArray());
var dbDatas = hubDatas.Select(hubData => new QuestionData
{
Id = hubData.Id,
Input = hubData.Input,
Output = hubData.Output,
MemoryLimitMb = hubData.MemoryLimitMb,
TimeLimit = hubData.TimeLimit,
UpdateTicks = serverItems.First(x => x.Id == hubData.Id).UpdateTicks
}).ToArray();
await db.DeleteAndCreateData(dbDatas);
_log.Info($"Updated {hubDatas.Length} datas from server.");
if (hubDatas.Length != except.Length)
{
_log.Warn("Server returned less data than excepted.");
}
}
}
}
