42 lines
1.1 KiB
Rust
42 lines
1.1 KiB
Rust
use std::sync::atomic::{AtomicU64, Ordering};
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#[cfg(feature = "debug")]
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use std::time::{SystemTime, UNIX_EPOCH};
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static NEXT_TRACE_ID: AtomicU64 = AtomicU64::new(1);
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pub fn next_trace_id(prefix: &str) -> String {
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let id = NEXT_TRACE_ID.fetch_add(1, Ordering::Relaxed);
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format!("{prefix}-{id:06}")
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}
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#[cfg(feature = "debug")]
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pub fn emit(module: &str, line: u32, message: String) {
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let millis = SystemTime::now()
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.duration_since(UNIX_EPOCH)
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.map(|duration| duration.as_millis())
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.unwrap_or_default();
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eprintln!("[debug][{millis}][{module}:{line}] {message}");
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}
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pub fn preview(value: &str, limit: usize) -> String {
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if value.len() <= limit {
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return value.to_string();
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}
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let mut end = limit;
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while !value.is_char_boundary(end) {
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end -= 1;
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}
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format!("{}...", &value[..end])
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}
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#[macro_export]
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macro_rules! flow_debug {
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($($arg:tt)*) => {{
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#[cfg(feature = "debug")]
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{
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$crate::util::flow_debug::emit(module_path!(), line!(), format!($($arg)*));
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}
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}};
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}
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