summaryrefslogtreecommitdiffstats
path: root/toolkit/components/glean/bindings/private/Rate.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /toolkit/components/glean/bindings/private/Rate.h
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/components/glean/bindings/private/Rate.h')
-rw-r--r--toolkit/components/glean/bindings/private/Rate.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/toolkit/components/glean/bindings/private/Rate.h b/toolkit/components/glean/bindings/private/Rate.h
new file mode 100644
index 0000000000..85e8b4e1d6
--- /dev/null
+++ b/toolkit/components/glean/bindings/private/Rate.h
@@ -0,0 +1,77 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_glean_GleanRate_h
+#define mozilla_glean_GleanRate_h
+
+#include "mozilla/Maybe.h"
+#include "mozilla/Result.h"
+#include "nsIGleanMetrics.h"
+#include "nsString.h"
+
+namespace mozilla::glean {
+
+namespace impl {
+
+class RateMetric {
+ public:
+ constexpr explicit RateMetric(uint32_t aId) : mId(aId) {}
+
+ /*
+ * Increases the numerator by `amount`.
+ *
+ * @param aAmount The amount to increase by. Should be positive.
+ */
+ void AddToNumerator(int32_t aAmount = 1) const;
+
+ /*
+ * Increases the denominator by `amount`.
+ *
+ * @param aAmount The amount to increase by. Should be positive.
+ */
+ void AddToDenominator(int32_t aAmount = 1) const;
+
+ /**
+ * **Test-only API**
+ *
+ * Gets the currently stored value as a pair of integers.
+ *
+ * This function will attempt to await the last parent-process task (if any)
+ * writing to the the metric's storage engine before returning a value.
+ * This function will not wait for data from child processes.
+ *
+ * This doesn't clear the stored value.
+ * Parent process only. Panics in child processes.
+ *
+ * @param aPingName The (optional) name of the ping to retrieve the metric
+ * for. Defaults to the first value in `send_in_pings`.
+ *
+ * @return value of the stored metric, or Nothing() if there is no value.
+ */
+ Result<Maybe<std::pair<int32_t, int32_t>>, nsCString> TestGetValue(
+ const nsACString& aPingName = nsCString()) const;
+
+ private:
+ const uint32_t mId;
+};
+} // namespace impl
+
+class GleanRate final : public nsIGleanRate {
+ public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIGLEANRATE
+
+ explicit GleanRate(uint32_t id) : mRate(id){};
+
+ private:
+ virtual ~GleanRate() = default;
+
+ const impl::RateMetric mRate;
+};
+
+} // namespace mozilla::glean
+
+#endif /* mozilla_glean_GleanRate_h */