eckit::MemoryHandle class

#include <eckit/io/MemoryHandle.h>

Base classes

class DataHandle

Public static functions

static auto classSpec() -> const ClassSpec&

Constructors, destructors, conversion operators

MemoryHandle(const Buffer&)

MemoryHandle(Buffer&)

MemoryHandle(const void* address, size_t size)

MemoryHandle(void* address, size_t size)

MemoryHandle(size_t size = 1024*1024, bool grow = true)

~MemoryHandle() override

Public functions

auto data() const -> const void*

auto str() const -> std::string

auto size() const -> Length

auto openForRead() -> Length override

void openForWrite(const Length&) override

void openForAppend(const Length&) override

auto read(void*, long) -> long override

auto write(const void*, long) -> long override

void close() override

void flush() override

void rewind() override

void print(std::ostream&) const override

void skip(const Length&) override

auto seek(const Offset&) -> Offset override

auto canSeek() const -> bool override

auto size() -> Length override

auto estimate() -> Length override

auto position() -> Offset override

auto clone() const -> DataHandle* override

void restartReadFrom(const Offset&) virtual

void restartWriteFrom(const Offset&) virtual

auto saveInto(DataHandle&, TransferWatcher& = TransferWatcher::dummy()) -> Length virtual

Save into an other datahandle.

auto saveInto(const PathName&, TransferWatcher& = TransferWatcher::dummy()) -> Length virtual

Save into a file.

auto copyTo(DataHandle&, long bufsize = -1, Length maxsize = -1, TransferWatcher& = TransferWatcher::dummy()) -> Length virtual

auto name() const -> std::string virtual

auto openf(const char* mode, bool delete_on_close = false) -> FILE*

Create a FILE* from this handle.

auto openf(bool delete_on_close = false) -> FILE*

auto compare(DataHandle&) -> bool

Compare bytes.

auto compress(bool = false) -> bool virtual

auto merge(DataHandle*) -> bool virtual

auto isEmpty() const -> bool virtual

auto moveable() const -> bool virtual

void toLocal(Stream& s) const virtual

auto toLocal() -> DataHandle* virtual

void toRemote(Stream& s) const virtual

void selectMover(MoverTransferSelection&, bool read) const virtual

auto metricsTag() const -> std::string virtual

void collectMetrics(const std::string& what) const virtual

void hash(MD5& md5) const virtual

auto doubleBufferOK() const -> bool virtual

void encode(Stream&) const override

auto reanimator() const -> const ReanimatorBase& override

auto className() const -> std::string virtual

Private functions

auto title() const -> std::string override

Function documentation