#include "Rtypes.h"
#include <ROOT/RConfig.hxx>
#include <ROOT/RError.hxx>
#include <ROOT/RMiniFile.hxx>
#include <ROOT/RRawFile.hxx>
#include <ROOT/RNTupleZip.hxx>
#include <ROOT/RNTupleSerialize.hxx>
#include <ROOT/RNTupleWriteOptions.hxx>
#include <Byteswap.h>
#include <TBufferFile.h>
#include <TDirectory.h>
#include <TError.h>
#include <TFile.h>
#include <TKey.h>
#include <TObjString.h>
#include <TUUID.h>
#include <TVirtualStreamerInfo.h>
#include <xxhash.h>
#include <algorithm>
#include <cassert>
#include <cerrno>
#include <cstdio>
#include <cstring>
#include <memory>
#include <string>
#include <chrono>

Include dependency graph for RMiniFile.cxx:

Classes
class	ROOT::Experimental::Internal::RKeyBlob
	The RKeyBlob writes an invisible key into a TFile. More...

struct	ROOT::Experimental::Internal::RTFileControlBlock
	If a TFile container is written by a C stream (simple file), on dataset commit, the file header and the TFile record need to be updated. More...

Namespaces
namespace	ROOT
	tbb::task_arena is an alias of tbb::interface7::task_arena, which doesn't allow to forward declare tbb::task_arena without forward declaring tbb::interface7

namespace	ROOT::Experimental

namespace	ROOT::Experimental::Internal

Macros
#define	R__LITTLE_ENDIAN 0

Functions
static size_t	ComputeNumChunks (size_t nbytes, size_t maxChunkSize)

static void	PrepareBlobKey (std::int64_t offset, size_t nbytes, size_t len, unsigned char buffer[kBlobKeyLen])
	Prepare a blob key in the provided buffer, which must provide space for kBlobKeyLen bytes.

Variables
static constexpr auto	kBlobKeyLen = ROOT::Experimental::Internal::RNTupleFileWriter::kBlobKeyLen

Detailed Description

Author: Jakob Blomer jblom.nosp@m.er@c.nosp@m.ern.c.nosp@m.h

Date: 2019-12-22

Warning: This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback is welcome!

Definition in file RMiniFile.cxx.

Macro Definition Documentation

◆ R__LITTLE_ENDIAN

#define R__LITTLE_ENDIAN 0

Definition at line 55 of file RMiniFile.cxx.

Function Documentation

◆ ComputeNumChunks()

static size_t ComputeNumChunks	(	size_t	nbytes,
		size_t	maxChunkSize
	)

static

Definition at line 637 of file RMiniFile.cxx.

◆ PrepareBlobKey()

static void PrepareBlobKey	(	std::int64_t	offset,
		size_t	nbytes,
		size_t	len,
		unsigned char	buffer[kBlobKeyLen]
	)

static

Prepare a blob key in the provided buffer, which must provide space for kBlobKeyLen bytes.

Note that the array type is purely documentation, the argument is actually just a pointer.

Definition at line 875 of file RMiniFile.cxx.

Variable Documentation

◆ kBlobKeyLen

constexpr auto kBlobKeyLen = ROOT::Experimental::Internal::RNTupleFileWriter::kBlobKeyLen

staticconstexpr

Definition at line 871 of file RMiniFile.cxx.

Classes

Namespaces

Macros

Functions

Variables