1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
#pragma once
#include <yt/cpp/mapreduce/http/helpers.h>
#include <yt/cpp/mapreduce/http/http.h>
#include <yt/cpp/mapreduce/http/http_client.h>
#include <yt/cpp/mapreduce/interface/config.h>
#include <yt/cpp/mapreduce/interface/common.h>
#include <yt/cpp/mapreduce/interface/config.h>
#include <yt/cpp/mapreduce/interface/io.h>
#include <yt/cpp/mapreduce/interface/tvm.h>
#include <yt/cpp/mapreduce/io/helpers.h>
#include <yt/cpp/mapreduce/raw_client/raw_requests.h>
#include <util/stream/buffered.h>
namespace NYT {
////////////////////////////////////////////////////////////////////////////////
class TRetrylessWriter
: public TRawTableWriter
{
public:
template <class TWriterOptions>
TRetrylessWriter(
const TClientContext& context,
const TTransactionId& parentId,
const TString& command,
const TMaybe<TFormat>& format,
const TRichYPath& path,
size_t bufferSize,
const TWriterOptions& options)
: BufferSize_(bufferSize)
, AutoFinish_(options.AutoFinish_)
{
THttpHeader header("PUT", command);
header.SetInputFormat(format);
header.MergeParameters(FormIORequestParameters(path, options));
header.AddTransactionId(parentId);
header.SetRequestCompression(ToString(context.Config->ContentEncoding));
if (context.ServiceTicketAuth) {
header.SetServiceTicket(context.ServiceTicketAuth->Ptr->IssueServiceTicket());
} else {
header.SetToken(context.Token);
}
if (context.ImpersonationUser) {
header.SetImpersonationUser(*context.ImpersonationUser);
}
TString requestId = CreateGuidAsString();
auto hostName = GetProxyForHeavyRequest(context);
UpdateHeaderForProxyIfNeed(hostName, context, header);
Request_ = context.HttpClient->StartRequest(GetFullUrl(hostName, context, header), requestId, header);
BufferedOutput_.Reset(new TBufferedOutput(Request_->GetStream(), BufferSize_));
}
~TRetrylessWriter() override;
void NotifyRowEnd() override;
void Abort() override;
size_t GetBufferMemoryUsage() const override;
protected:
void DoWrite(const void* buf, size_t len) override;
void DoFinish() override;
private:
const size_t BufferSize_ = 0;
const bool AutoFinish_;
bool Running_ = true;
NHttpClient::IHttpRequestPtr Request_;
THolder<TBufferedOutput> BufferedOutput_;
};
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT
|
