Import upstream v0.16.22, stripped

Upstream commit: 474dd0229cb20cf513036619781ed97bd8073c3f Enterprise-only files removed or emptied: 63 Enterprise-only snippets removed: 117 in 50 files Dangling module declarations removed: 5 Cargo edits turning enterprise off: 14 Verification: clean Enterprise feature gates left for rebuilt features: 19 in 18 files Produced by tools/fork/strip.py. The full report is in docs/fork/strip-reports/ on main.
2026-09-18 10:21:56 -07:00
commit 7dae9b29fd
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+/*
+ * SPDX-FileCopyrightText: 2020 Stalwart Labs LLC <[email protected]>
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
+ */
+
+use std::sync::atomic::{AtomicU64, Ordering};
+
+use crate::MetricType;
+
+pub struct AtomicGauge {
+    id: MetricType,
+    value: AtomicU64,
+}
+
+impl AtomicGauge {
+    pub const fn new(id: MetricType) -> Self {
+        Self {
+            id,
+            value: AtomicU64::new(0),
+        }
+    }
+
+    #[inline(always)]
+    pub fn increment(&self) {
+        self.value.fetch_add(1, Ordering::Relaxed);
+    }
+
+    #[inline(always)]
+    pub fn set(&self, value: u64) {
+        self.value.store(value, Ordering::Relaxed);
+    }
+
+    #[inline(always)]
+    pub fn decrement(&self) {
+        self.value.fetch_sub(1, Ordering::Relaxed);
+    }
+
+    #[inline(always)]
+    pub fn get(&self) -> u64 {
+        self.value.load(Ordering::Relaxed)
+    }
+
+    #[inline(always)]
+    pub fn add(&self, value: u64) {
+        self.value.fetch_add(value, Ordering::Relaxed);
+    }
+
+    #[inline(always)]
+    pub fn subtract(&self, value: u64) {
+        self.value.fetch_sub(value, Ordering::Relaxed);
+    }
+
+    pub fn id(&self) -> MetricType {
+        self.id
+    }
+}