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#pragma once
#include <yt/cpp/mapreduce/client/transaction.h>
#include <yt/cpp/mapreduce/common/fwd.h>
#include <yt/cpp/mapreduce/http/context.h>
#include <yt/cpp/mapreduce/http/requests.h>
namespace NYT {
////////////////////////////////////////////////////////////////////////////////
class THeavyRequestRetrier
{
public:
struct TParameters
{
IClientRetryPolicyPtr ClientRetryPolicy;
ITransactionPingerPtr TransactionPinger;
TClientContext Context;
TTransactionId TransactionId;
THttpHeader Header;
};
using TStreamFactory = std::function<THolder<IInputStream>()>;
public:
explicit THeavyRequestRetrier(TParameters parameters);
~THeavyRequestRetrier();
void Update(TStreamFactory streamFactory);
void Finish();
private:
void Retry(const std::function<void()>& function);
void TryStartAttempt();
private:
const TParameters Parameters_;
const IRequestRetryPolicyPtr RequestRetryPolicy_;
struct TAttempt
{
std::unique_ptr<TPingableTransaction> Transaction;
TString RequestId;
NHttpClient::IHttpRequestPtr Request;
ssize_t Offset = 0;
};
std::unique_ptr<TAttempt> Attempt_;
TStreamFactory StreamFactory_;
};
////////////////////////////////////////////////////////////////////////////////
void RetryHeavyWriteRequest(
const IClientRetryPolicyPtr& clientRetryPolicy,
const ITransactionPingerPtr& transactionPinger,
const TClientContext& context,
const TTransactionId& parentId,
THttpHeader& header,
std::function<THolder<IInputStream>()> streamMaker);
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT
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