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use once_cell::sync::OnceCell;
use pyo3::exceptions::PyTypeError;
use pyo3::prelude::*;
use pyo3::wrap_pyfunction;
use rillrate::rill::providers;
use rillrate::{Path, RillRate};
static RILLRATE: OnceCell<RillRate> = OnceCell::new();
fn py_err(err: impl ToString) -> PyErr {
PyTypeError::new_err(err.to_string())
}
#[pyfunction]
fn install(_py: Python) -> PyResult<()> {
let rillrate = RillRate::from_env("rillratepy").map_err(py_err)?;
RILLRATE
.set(rillrate)
.map_err(|_| py_err("can't install RillRate shared object"))?;
Ok(())
}
#[pymodule]
fn rillrate(_py: Python<'_>, m: &PyModule) -> PyResult<()> {
m.add("__version__", env!("CARGO_PKG_VERSION"))?;
m.add_wrapped(wrap_pyfunction!(install))?;
m.add_class::<Logger>()?;
m.add_class::<Counter>()?;
m.add_class::<Gauge>()?;
Ok(())
}
fn make_path(s: String) -> Path {
s.parse().expect("can't parse path")
}
#[pyclass]
pub struct Logger {
provider: providers::LogProvider,
}
#[pymethods]
impl Logger {
#[new]
fn new(s: String) -> Self {
let path = make_path(s);
let provider = providers::LogProvider::new(path);
Self { provider }
}
fn is_active(&mut self, _py: Python) -> bool {
self.provider.is_active()
}
fn log(&mut self, _py: Python, msg: String) {
self.provider.log(msg, None);
}
}
#[pyclass]
pub struct Counter {
provider: providers::CounterProvider,
}
#[pymethods]
impl Counter {
#[new]
fn new(s: String) -> Self {
let path = make_path(s);
let provider = providers::CounterProvider::new(path);
Self { provider }
}
fn is_active(&mut self, _py: Python) -> bool {
self.provider.is_active()
}
fn inc(&mut self, _py: Python, delta: f64) {
self.provider.inc(delta, None);
}
}
#[pyclass]
pub struct Gauge {
provider: providers::GaugeProvider,
}
#[pymethods]
impl Gauge {
#[new]
fn new(s: String) -> Self {
let path = make_path(s);
let provider = providers::GaugeProvider::new(path);
Self { provider }
}
fn is_active(&mut self, _py: Python) -> bool {
self.provider.is_active()
}
fn inc(&mut self, _py: Python, delta: f64) {
self.provider.inc(delta, None);
}
fn dec(&mut self, _py: Python, delta: f64) {
self.provider.dec(delta, None);
}
fn set(&mut self, _py: Python, delta: f64) {
self.provider.set(delta, None);
}
}