From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 toolkit/components/glean/api/src/private/ping.rs | 121 +++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 toolkit/components/glean/api/src/private/ping.rs

(limited to 'toolkit/components/glean/api/src/private/ping.rs')

diff --git a/toolkit/components/glean/api/src/private/ping.rs b/toolkit/components/glean/api/src/private/ping.rs
new file mode 100644
index 0000000000..cc9585eea1
--- /dev/null
+++ b/toolkit/components/glean/api/src/private/ping.rs
@@ -0,0 +1,121 @@
+// 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 https://mozilla.org/MPL/2.0/.
+
+use inherent::inherent;
+
+use crate::ipc::need_ipc;
+
+/// A Glean ping.
+///
+/// See [Glean Pings](https://mozilla.github.io/glean/book/user/pings/index.html).
+#[derive(Clone)]
+pub enum Ping {
+    Parent(glean::private::PingType),
+    Child,
+}
+
+impl Ping {
+    /// Create a new ping type for the given name, whether to include the client ID and whether to
+    /// send this ping empty.
+    ///
+    /// ## Arguments
+    ///
+    /// * `name` - The name of the ping.
+    /// * `include_client_id` - Whether to include the client ID in the assembled ping when submitting.
+    /// * `send_if_empty` - Whether the ping should be sent empty or not.
+    /// * `reason_codes` - The valid reason codes for this ping.
+    pub fn new<S: Into<String>>(
+        name: S,
+        include_client_id: bool,
+        send_if_empty: bool,
+        precise_timestamps: bool,
+        reason_codes: Vec<String>,
+    ) -> Self {
+        if need_ipc() {
+            Ping::Child
+        } else {
+            Ping::Parent(glean::private::PingType::new(
+                name,
+                include_client_id,
+                send_if_empty,
+                precise_timestamps,
+                reason_codes,
+            ))
+        }
+    }
+
+    /// **Test-only API**
+    ///
+    /// Attach a callback to be called right before a new ping is submitted.
+    /// The provided function is called exactly once before submitting a ping.
+    ///
+    /// Note: The callback will be called on any call to submit.
+    /// A ping might not be sent afterwards, e.g. if the ping is otherwise empty (and
+    /// `send_if_empty` is `false`).
+    pub fn test_before_next_submit(&self, cb: impl FnOnce(Option<&str>) + Send + 'static) {
+        match self {
+            Ping::Parent(p) => p.test_before_next_submit(cb),
+            Ping::Child => {
+                panic!("Cannot use ping test API from non-parent process!");
+            }
+        };
+    }
+}
+
+#[inherent]
+impl glean::traits::Ping for Ping {
+    /// Submits the ping for eventual uploading
+    ///
+    /// # Arguments
+    ///
+    /// * `reason` - the reason the ping was triggered. Included in the
+    ///   `ping_info.reason` part of the payload.
+    pub fn submit(&self, reason: Option<&str>) {
+        match self {
+            Ping::Parent(p) => {
+                p.submit(reason);
+            }
+            Ping::Child => {
+                log::error!(
+                    "Unable to submit ping in non-main process. This operation will be ignored."
+                );
+                // If we're in automation we can panic so the instrumentor knows they've gone wrong.
+                // This is a deliberate violation of Glean's "metric APIs must not throw" design.
+                assert!(!crate::ipc::is_in_automation(), "Attempted to submit a ping in non-main process, which is forbidden. This panics in automation.");
+                // TODO: Record an error.
+            }
+        };
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use once_cell::sync::Lazy;
+
+    use super::*;
+    use crate::common_test::*;
+
+    use std::sync::{
+        atomic::{AtomicBool, Ordering},
+        Arc,
+    };
+
+    // Smoke test for what should be the generated code.
+    static PROTOTYPE_PING: Lazy<Ping> =
+        Lazy::new(|| Ping::new("prototype", false, true, true, vec![]));
+
+    #[test]
+    fn smoke_test_custom_ping() {
+        let _lock = lock_test();
+
+        let called = Arc::new(AtomicBool::new(false));
+        let rcalled = Arc::clone(&called);
+        PROTOTYPE_PING.test_before_next_submit(move |reason| {
+            (*rcalled).store(true, Ordering::Relaxed);
+            assert_eq!(None, reason);
+        });
+        PROTOTYPE_PING.submit(None);
+        assert!((*called).load(Ordering::Relaxed));
+    }
+}
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