class PersistedCounter

Defined at line 44 of file x64-shared/gen/third_party/openweave-core/src/include/Weave/Support/PersistedCounter.h

A class for managing a counter as an integer value intended to persist

across reboots.

Public Methods

void PersistedCounter ()

void ~PersistedCounter ()

WEAVE_ERROR Init (const nl::Weave::Platform::PersistedStorage::Key aId, uint32_t aEpoch)

Initialize a PersistedCounter object.

aId [in] The identifier of this PersistedCounter instance.

aEpoch [in] On bootup, values we vend will start at a multiple of this parameter.

WEAVE_ERROR_INVALID_ARGUMENT if aId is NULL

WEAVE_ERROR_INVALID_STRING_LENGTH if aId is longer than

WEAVE_CONFIG_PERSISTED_STORAGE_MAX_KEY_LENGTH.

WEAVE_ERROR_INVALID_INTEGER_VALUE if aEpoch is 0.

WEAVE_NO_ERROR otherwise

WEAVE_ERROR Advance ()

Increment the counter and write to persisted storage if we've completed

the current epoch.

Any error returned by a write to persisted storage.

WEAVE_ERROR AdvanceEpochRelative (uint32_t aValue)

Advance the counter to start of the epoch following the provided

value.

Any error returned by a write to persistent storage.

WEAVE_ERROR SetValue (uint32_t value)

This is used to set the event counter from persisted events