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#![warn(rust_2018_idioms, unreachable_pub)]
#[macro_use]
extern crate elfo_utils;
use std::{env, sync::Arc, time::SystemTime};
use dashmap::DashMap;
use derive_more::Constructor;
use futures_intrusive::{buffer::GrowingHeapBuf, channel::GenericChannel};
use fxhash::FxBuildHasher;
use parking_lot::RawMutex;
use sharded_slab::Pool;
use tracing::{span::Id as SpanId, Level};
use tracing_subscriber::{prelude::*, registry::Registry, EnvFilter};
use elfo_core::{trace_id::TraceId, Schema, _priv::ObjectMeta};
use crate::{actor::Logger, layer::PrintLayer};
mod actor;
mod config;
mod formatters;
mod layer;
mod theme;
const CHANNEL_CAPACITY: usize = 128 * 1024;
type StringId = usize;
struct Shared {
channel: GenericChannel<RawMutex, PreparedEvent, GrowingHeapBuf<PreparedEvent>>,
pool: Pool<String>,
spans: DashMap<SpanId, SpanData, FxBuildHasher>,
}
#[derive(Constructor)]
struct SpanData {
parent_id: Option<SpanId>,
payload_id: StringId,
}
struct PreparedEvent {
timestamp: SystemTime,
level: Level,
trace_id: Option<TraceId>,
object: Option<Arc<ObjectMeta>>,
span_id: Option<SpanId>,
payload_id: StringId,
}
pub fn new() -> (PrintLayer, Schema) {
let shared = Shared {
channel: GenericChannel::with_capacity(CHANNEL_CAPACITY),
pool: Pool::default(),
spans: DashMap::default(),
};
let shared = Arc::new(shared);
let layer = PrintLayer::new(shared.clone());
let schema = Logger::new(shared);
(layer, schema)
}
pub fn init() -> Schema {
let (print_layer, schema) = new();
let filter_layer = if env::var(EnvFilter::DEFAULT_ENV).is_ok() {
EnvFilter::try_from_default_env().expect("invalid env")
} else {
EnvFilter::try_new("info").unwrap()
};
let subscriber = Registry::default().with(filter_layer).with(print_layer);
tracing::subscriber::set_global_default(subscriber).expect("cannot set global subscriber");
schema
}