Struct libbpf_rs::RingBufferBuilder [−][src]
pub struct RingBufferBuilder { /* fields omitted */ }
Expand description
Builds RingBuffer
instances.
ringbuf
s are a special kind of Map
, used to transfer data between
Program
s and userspace. As of Linux 5.8, the ringbuf
map is now
preferred over the perf buffer
.
Implementations
impl RingBufferBuilder
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impl RingBufferBuilder
[src]pub fn new() -> Self
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pub fn add<NewF>(&mut self, map: &Map, callback: NewF) -> Result<&mut Self> where
NewF: FnMut(&[u8]) -> i32 + 'static,
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pub fn add<NewF>(&mut self, map: &Map, callback: NewF) -> Result<&mut Self> where
NewF: FnMut(&[u8]) -> i32 + 'static,
[src]Add a new ringbuf map
and associated callback
to this ring buffer
manager. The callback should take one argument, a slice of raw bytes,
and return an i32.
Non-zero return values in the callback will stop ring buffer consumption early.
The callback provides a raw byte slice. You may find libraries such as
plain
helpful.
pub fn build(self) -> Result<RingBuffer>
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pub fn build(self) -> Result<RingBuffer>
[src]Build a new RingBuffer
. Must have added at least one ringbuf.
Trait Implementations
impl Default for RingBufferBuilder
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impl Default for RingBufferBuilder
[src]fn default() -> RingBufferBuilder
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fn default() -> RingBufferBuilder
[src]Returns the “default value” for a type. Read more