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#![cfg(feature = "trace")]
use std::ffi::{CString, NulError};
use std::marker::PhantomData;
pub fn is_trace_enabled() -> bool {
unsafe { ffi::ATrace_isEnabled() }
}
#[derive(Debug)]
pub struct Section {
_pd: PhantomData<*mut ()>,
}
impl Section {
pub fn new(name: &str) -> Result<Self, NulError> {
let section_name = CString::new(name)?;
unsafe { ffi::ATrace_beginSection(section_name.as_ptr()) };
Ok(Self { _pd: PhantomData })
}
pub fn end(self) {
std::mem::drop(self)
}
}
impl Drop for Section {
fn drop(&mut self) {
unsafe { ffi::ATrace_endSection() };
}
}
#[derive(Debug)]
#[cfg(feature = "api-level-29")]
pub struct Cookie(pub i32);
#[derive(Debug)]
#[cfg(feature = "api-level-29")]
pub struct AsyncSection {
section_name: CString,
cookie: Cookie,
_pd: PhantomData<&'static ()>,
}
#[cfg(feature = "api-level-29")]
impl AsyncSection {
pub fn new(name: &str, cookie: Cookie) -> Result<Self, NulError> {
let section_name = CString::new(name)?;
unsafe { ffi::ATrace_beginAsyncSection(section_name.as_ptr(), cookie.0) };
Ok(Self {
section_name,
cookie,
_pd: PhantomData,
})
}
pub fn end(self) {
std::mem::drop(self)
}
}
#[cfg(feature = "api-level-29")]
impl Drop for AsyncSection {
fn drop(&mut self) {
unsafe { ffi::ATrace_endAsyncSection(self.section_name.as_ptr(), self.cookie.0) };
}
}
#[cfg(feature = "api-level-29")]
#[derive(Debug)]
pub struct Counter {
name: CString,
}
#[cfg(feature = "api-level-29")]
impl Counter {
pub fn new(name: &str) -> Result<Self, NulError> {
let name = CString::new(name)?;
Ok(Self { name })
}
pub fn set_value(&self, value: i64) {
unsafe { ffi::ATrace_setCounter(self.name.as_ptr(), value) }
}
}