zerodds_security_crypto/
metrics.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright 2026 ZeroDDS Contributors
3
4//! Hot-Path-Hook-Points fuer `zerodds-monitor` (zerodds-monitor-1.0 §2.5).
5//!
6//! Existiert nur unter `cfg(feature = "metrics")`. Call-Sites in
7//! `plugin.rs` tragen ein eigenes `#[cfg(feature = "metrics")]`-Attribut.
8
9use std::sync::Arc;
10use std::time::Instant;
11
12use zerodds_monitor::{Counter, LabeledHistogram, Labels, default_registry, metric_names};
13
14fn op_counter(operation: &'static str) -> Arc<Counter> {
15    let r = default_registry();
16    r.set_help(
17        metric_names::DDS_SECURITY_CRYPTO_OPERATIONS_TOTAL,
18        "Crypto-Operationen (zerodds-monitor-1.0 §2.5)",
19    );
20    r.counter(
21        metric_names::DDS_SECURITY_CRYPTO_OPERATIONS_TOTAL,
22        Labels::new().with("operation", operation),
23    )
24}
25
26fn op_histogram(operation: &'static str) -> Arc<LabeledHistogram> {
27    let r = default_registry();
28    r.set_help(
29        metric_names::DDS_SECURITY_CRYPTO_LATENCY_SECONDS,
30        "Crypto-Latency (zerodds-monitor-1.0 §2.5)",
31    );
32    r.histogram(
33        metric_names::DDS_SECURITY_CRYPTO_LATENCY_SECONDS,
34        Labels::new().with("operation", operation),
35    )
36}
37
38/// RAII-Span um eine Crypto-Operation: bei Drop werden Counter +
39/// Histogramm aktualisiert.
40pub struct CryptoOp {
41    operation: &'static str,
42    start: Instant,
43}
44
45impl CryptoOp {
46    /// Startet einen Crypto-Op-Tracker.
47    pub fn start(operation: &'static str) -> Self {
48        Self {
49            operation,
50            start: Instant::now(),
51        }
52    }
53}
54
55impl Drop for CryptoOp {
56    fn drop(&mut self) {
57        op_counter(self.operation).inc();
58        let elapsed = self.start.elapsed();
59        let ns = elapsed.as_nanos().min(u64::MAX as u128) as u64;
60        op_histogram(self.operation).record_ns(ns);
61    }
62}
zerodds_security_crypto/metrics.rs

zerodds_security_crypto/
metrics.rs
