eckit::AsyncHandle class

#include <eckit/io/AsyncHandle.h>

Base classes

class DataHandle

class HandleHolder

Public static functions

static auto classSpec() -> const ClassSpec&

Constructors, destructors, conversion operators

AsyncHandle(DataHandle*, size_t = 1024*1024, size_t rounding = 64*1024)

Contructor, taking ownership.

AsyncHandle(DataHandle&, size_t = 1024*1024, size_t rounding = 64*1024)

Contructor, not taking ownership.

~AsyncHandle() override

Destructor.

Public functions

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 estimate() -> Length override

auto position() -> Offset override

auto clone() const -> DataHandle* override

auto size() -> Length virtual

auto canSeek() const -> bool virtual

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 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

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

Function documentation