eckit::DataHandle class

#include <eckit/io/DataHandle.h>

Base classes

class Streamable

Derived classes

class AIOHandle

class AsyncHandle

class BufferedHandle

class EmptyHandle

class FTPHandle

class FileDescHandle

class FileHandle

class InstantTCPSocketHandle

class MMappedFileHandle

class MemoryHandle

class MultiHandle

class MultiSocketHandle

class PartFileHandle

class PartHandle

class PeekHandle

class PipeHandle

class PooledHandle

class RadosHandle

class RadosReadHandle

class RadosWriteHandle

class RawFileHandle

class SeekableHandle

class SharedHandle

class StatsHandle

class TCPHandle

class TeeHandle

class URLHandle

class TransportHandle

Public static functions

static auto classSpec() -> const ClassSpec&

Constructors, destructors, conversion operators

DataHandle()

DataHandle(Stream&)

~DataHandle() override

Public functions

void print(std::ostream& s) const pure virtual

auto openForRead() -> Length virtual

void openForWrite(const Length&) virtual

void openForAppend(const Length&) virtual

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

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

void close() virtual

void flush() virtual

auto size() -> Length virtual

auto estimate() -> Length virtual

auto position() -> Offset virtual

auto seek(const Offset&) -> Offset virtual

auto canSeek() const -> bool virtual

void skip(const Length&) virtual

void rewind() virtual

void restartReadFrom(const Offset&) virtual

void restartWriteFrom(const Offset&) virtual

auto clone() const -> DataHandle* 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 title() const -> std::string 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

Friends

auto operator<<(std::ostream& s, const DataHandle& handle) -> std::ostream&

auto operator<<(MD5& s, const DataHandle& handle) -> MD5&

Function documentation