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// 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
use std::sync::{Arc, Mutex};
type BoxedCallback = Box<dyn FnOnce(Option<&str>) + Send + 'static>;
/// A ping is a bundle of related metrics, gathered in a payload to be transmitted.
///
/// The ping payload will be encoded in JSON format and contains shared information data.
#[derive(Clone)]
pub struct PingType {
pub(crate) inner: glean_core::metrics::PingType,
/// **Test-only API**
///
/// A function to be called right before a ping is submitted.
test_callback: Arc<Mutex<Option<BoxedCallback>>>,
}
impl PingType {
/// Creates a new ping type.
///
/// # Arguments
///
/// * `name` - The name of the ping.
/// * `include_client_id` - Whether to include the client ID in the assembled ping when.
/// * `send_if_empty` - Whether the ping should be sent empty or not.
/// * `precise_timestamps` - Whether the ping should use precise timestamps for the start and end time.
/// * `include_info_sections` - Whether the ping should include the client/ping_info sections.
/// * `enabled` - Whether or not this ping is enabled. Note: Data that would be sent on a disabled
/// ping will still be collected and is discarded instead of being submitted.
/// * `schedules_pings` - A list of pings which are triggered for submission when this ping is
/// submitted.
/// * `reason_codes` - The valid reason codes for this ping.
#[allow(clippy::too_many_arguments)]
pub fn new<A: Into<String>>(
name: A,
include_client_id: bool,
send_if_empty: bool,
precise_timestamps: bool,
include_info_sections: bool,
enabled: bool,
schedules_pings: Vec<String>,
reason_codes: Vec<String>,
) -> Self {
let inner = glean_core::metrics::PingType::new(
name.into(),
include_client_id,
send_if_empty,
precise_timestamps,
include_info_sections,
enabled,
schedules_pings,
reason_codes,
);
Self {
inner,
test_callback: Arc::new(Default::default()),
}
}
/// Submits the ping for eventual uploading.
///
/// The ping content is assembled as soon as possible, but upload is not
/// guaranteed to happen immediately, as that depends on the upload policies.
///
/// If the ping currently contains no content, it will not be sent,
/// unless it is configured to be sent if empty.
///
/// # 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>) {
let mut cb = self.test_callback.lock().unwrap();
let cb = cb.take();
if let Some(cb) = cb {
cb(reason)
}
self.inner.submit(reason.map(|s| s.to_string()))
}
/// **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) {
let mut test_callback = self.test_callback.lock().unwrap();
let cb = Box::new(cb);
*test_callback = Some(cb);
}
}