Struct BufferConfig

pub struct BufferConfig {
    pub size_kb: Option<u32>,
    pub fill_policy: Option<i32>,
    pub transfer_on_clone: Option<bool>,
    pub clear_before_clone: Option<bool>,
}

Fields

size_kb: Option<u32>

fill_policy: Option<i32>

transfer_on_clone: Option<bool>

When true the buffer is moved (rather than copied) onto the cloned session, and an empty buffer of the same size is allocated in the source tracing session. This feature will likely get deprecated in the future. It been introduced mainly to support the surfaceflinger snapshot dump for bugreports, where SF can dumps O(400MB) into the bugreport trace. In that case we don’t want to retain another in-memory copy of the buffer.

clear_before_clone: Option<bool>

Used in conjuction with transfer_on_clone. When true the buffer is cleared before issuing the Flush(reason=kTraceClone). This is to ensure that if the data source took too long to write the data in a previous clone-related flush, we don’t end up with a mixture of leftovers from the previous write and new data.

Implementations

impl BufferConfig

pub fn size_kb(&self) -> u32

Returns the value of size_kb, or the default value if size_kb is unset.

pub fn fill_policy(&self) -> FillPolicy

Returns the enum value of fill_policy, or the default if the field is unset or set to an invalid enum value.

pub fn set_fill_policy(&mut self, value: FillPolicy)

Sets fill_policy to the provided enum value.

pub fn transfer_on_clone(&self) -> bool

Returns the value of transfer_on_clone, or the default value if transfer_on_clone is unset.

pub fn clear_before_clone(&self) -> bool

Returns the value of clear_before_clone, or the default value if clear_before_clone is unset.

Trait Implementations

impl Clone for BufferConfig

fn clone(&self) -> BufferConfig

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for BufferConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for BufferConfig

fn default() -> Self

Returns the “default value” for a type.

impl Message for BufferConfig

fn encoded_len(&self) -> usize

Returns the encoded length of the message without a length delimiter.

fn clear(&mut self)

Clears the message, resetting all fields to their default.

fn encode<B>(&self, buf: &mut B) -> Result<(), EncodeError>

where B: BufMut, Self: Sized,

Encodes the message to a buffer.

fn encode_to_vec(&self) -> Vec<u8>

where Self: Sized,

Encodes the message to a newly allocated buffer.

fn encode_length_delimited<B>(&self, buf: &mut B) -> Result<(), EncodeError>

where B: BufMut, Self: Sized,

Encodes the message with a length-delimiter to a buffer.

fn encode_length_delimited_to_vec(&self) -> Vec<u8>

where Self: Sized,

Encodes the message with a length-delimiter to a newly allocated buffer.

fn decode<B>(buf: B) -> Result<Self, DecodeError>

where B: Buf, Self: Default,

Decodes an instance of the message from a buffer.

fn decode_length_delimited<B>(buf: B) -> Result<Self, DecodeError>

where B: Buf, Self: Default,

Decodes a length-delimited instance of the message from the buffer.

fn merge<B>(&mut self, buf: B) -> Result<(), DecodeError>

where B: Buf, Self: Sized,

Decodes an instance of the message from a buffer, and merges it into self.

fn merge_length_delimited<B>(&mut self, buf: B) -> Result<(), DecodeError>

where B: Buf, Self: Sized,

Decodes a length-delimited instance of the message from buffer, and merges it into self.

impl PartialEq for BufferConfig

fn eq(&self, other: &BufferConfig) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for BufferConfig