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#include "retry_heavy_write_request.h"
#include "transaction.h"
#include "transaction_pinger.h"
#include <yt/cpp/mapreduce/common/retry_lib.h>
#include <yt/cpp/mapreduce/common/wait_proxy.h>
#include <yt/cpp/mapreduce/interface/config.h>
#include <yt/cpp/mapreduce/interface/raw_client.h>
#include <yt/cpp/mapreduce/interface/tvm.h>
#include <yt/cpp/mapreduce/interface/logging/yt_log.h>
#include <yt/cpp/mapreduce/http/helpers.h>
#include <yt/cpp/mapreduce/http/http_client.h>
#include <yt/cpp/mapreduce/http/requests.h>
#include <yt/cpp/mapreduce/http/retry_request.h>
#include <util/stream/null.h>
namespace NYT {
using ::ToString;
////////////////////////////////////////////////////////////////////////////////
THeavyRequestRetrier::THeavyRequestRetrier(TParameters parameters)
: Parameters_(std::move(parameters))
, RequestRetryPolicy_(Parameters_.ClientRetryPolicy->CreatePolicyForGenericRequest())
, StreamFactory_([] {
return std::make_unique<TNullInput>();
})
{
Retry([] { });
}
THeavyRequestRetrier::~THeavyRequestRetrier() = default;
void THeavyRequestRetrier::Update(THeavyRequestRetrier::TStreamFactory streamFactory)
{
StreamFactory_ = streamFactory;
Retry([this] {
auto stream = StreamFactory_();
stream->Skip(Attempt_->Offset);
auto transfered = stream->ReadAll(*Attempt_->Request->GetStream());
Attempt_->Offset += transfered;
});
}
void THeavyRequestRetrier::Finish()
{
Retry([this] {
Attempt_->Request->Finish()->GetResponse();
Attempt_->Transaction->Commit();
Attempt_.reset();
});
}
void THeavyRequestRetrier::Retry(const std::function<void()> &function)
{
while (true) {
try {
if (!Attempt_) {
TryStartAttempt();
}
function();
return;
} catch (const std::exception& ex) {
YT_LOG_ERROR("RSP %v - %v failed",
Attempt_->RequestId,
RequestRetryPolicy_->GetAttemptDescription());
Attempt_.reset();
TMaybe<TDuration> backoffDuration;
if (const auto *errorResponse = dynamic_cast<const TErrorResponse *>(&ex)) {
if (!IsRetriable(*errorResponse)) {
throw;
}
backoffDuration = RequestRetryPolicy_->OnRetriableError(*errorResponse);
} else {
if (!IsRetriable(ex)) {
throw;
}
backoffDuration = RequestRetryPolicy_->OnGenericError(ex);
}
if (!backoffDuration) {
throw;
}
NDetail::TWaitProxy::Get()->Sleep(*backoffDuration);
RequestRetryPolicy_->NotifyNewAttempt();
}
}
}
void THeavyRequestRetrier::TryStartAttempt()
{
Attempt_ = std::make_unique<TAttempt>();
Attempt_->Transaction = std::make_unique<TPingableTransaction>(
Parameters_.RawClientPtr,
Parameters_.ClientRetryPolicy, Parameters_.Context,
Parameters_.TransactionId,
Parameters_.TransactionPinger->GetChildTxPinger(),
TStartTransactionOptions());
auto header = Parameters_.Header;
if (Parameters_.Context.ServiceTicketAuth) {
header.SetServiceTicket(Parameters_.Context.ServiceTicketAuth->Ptr->IssueServiceTicket());
} else {
header.SetToken(Parameters_.Context.Token);
}
if (Parameters_.Context.ImpersonationUser) {
header.SetImpersonationUser(*Parameters_.Context.ImpersonationUser);
}
auto hostName = GetProxyForHeavyRequest(Parameters_.Context);
Attempt_->RequestId = CreateGuidAsString();
UpdateHeaderForProxyIfNeed(hostName, Parameters_.Context, header);
header.AddTransactionId(Attempt_->Transaction->GetId(), /* overwrite = */ true);
header.SetRequestCompression(ToString(Parameters_.Context.Config->ContentEncoding));
Attempt_->Request = Parameters_.Context.HttpClient->StartRequest(
GetFullUrlForProxy(hostName, Parameters_.Context, header),
Attempt_->RequestId, header);
auto stream = StreamFactory_();
stream->ReadAll(*Attempt_->Request->GetStream());
}
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT
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