ref(metrics): remove features and code related to the old metrics beta (

#740)

* ref(metrics): remove features and code related to the old metrics beta

* remove statsd thing

sentry-core/Cargo.toml

@@ -26,8 +26,6 @@ client = ["rand"]
 # and macros actually expand features (and extern crate) where they are used!
 debug-logs = ["dep:log"]
 test = ["client"]
-metrics = ["sentry-types/metrics", "regex", "crc32fast"]
-metrics-cadence1 = ["dep:cadence", "metrics"]
 
 [dependencies]
 cadence = { version = "1.4.0", optional = true }

sentry-core/src/client.rs

@@ -10,8 +10,6 @@ use sentry_types::protocol::v7::SessionUpdate;
 use sentry_types::random_uuid;
 
 use crate::constants::SDK_INFO;
-#[cfg(feature = "metrics")]
-use crate::metrics::{self, MetricAggregator};
 use crate::protocol::{ClientSdkInfo, Event};
 use crate::session::SessionFlusher;
 use crate::types::{Dsn, Uuid};
@@ -46,8 +44,6 @@ pub struct Client {
     options: ClientOptions,
     transport: TransportArc,
     session_flusher: RwLock<Option<SessionFlusher>>,
-    #[cfg(feature = "metrics")]
-    metric_aggregator: RwLock<Option<MetricAggregator>>,
     integrations: Vec<(TypeId, Arc<dyn Integration>)>,
     pub(crate) sdk_info: ClientSdkInfo,
 }
@@ -68,17 +64,10 @@ impl Clone for Client {
             transport.clone(),
             self.options.session_mode,
         )));
-        #[cfg(feature = "metrics")]
-        let metric_aggregator = RwLock::new(Some(MetricAggregator::new(
-            transport.clone(),
-            &self.options,
-        )));
         Client {
             options: self.options.clone(),
             transport,
             session_flusher,
-            #[cfg(feature = "metrics")]
-            metric_aggregator,
             integrations: self.integrations.clone(),
             sdk_info: self.sdk_info.clone(),
         }
@@ -147,16 +136,10 @@ impl Client {
             options.session_mode,
         )));
 
-        #[cfg(feature = "metrics")]
-        let metric_aggregator =
-            RwLock::new(Some(MetricAggregator::new(transport.clone(), &options)));
-
         Client {
             options,
             transport,
             session_flusher,
-            #[cfg(feature = "metrics")]
-            metric_aggregator,
             integrations,
             sdk_info,
         }
@@ -323,23 +306,11 @@ impl Client {
         }
     }
 
-    /// Captures a metric and sends it to Sentry on the next flush.
-    #[cfg(feature = "metrics")]
-    pub fn add_metric(&self, metric: metrics::Metric) {
-        if let Some(ref aggregator) = *self.metric_aggregator.read().unwrap() {
-            aggregator.add(metric)
-        }
-    }
-
     /// Drains all pending events without shutting down.
     pub fn flush(&self, timeout: Option<Duration>) -> bool {
         if let Some(ref flusher) = *self.session_flusher.read().unwrap() {
             flusher.flush();
         }
-        #[cfg(feature = "metrics")]
-        if let Some(ref aggregator) = *self.metric_aggregator.read().unwrap() {
-            aggregator.flush();
-        }
         if let Some(ref transport) = *self.transport.read().unwrap() {
             transport.flush(timeout.unwrap_or(self.options.shutdown_timeout))
         } else {
@@ -356,8 +327,6 @@ impl Client {
     /// `shutdown_timeout` in the client options.
     pub fn close(&self, timeout: Option<Duration>) -> bool {
         drop(self.session_flusher.write().unwrap().take());
-        #[cfg(feature = "metrics")]
-        drop(self.metric_aggregator.write().unwrap().take());
         let transport_opt = self.transport.write().unwrap().take();
         if let Some(transport) = transport_opt {
             sentry_debug!("client close; request transport to shut down");

sentry-core/src/lib.rs

@@ -136,19 +136,13 @@ pub use crate::performance::*;
 pub use crate::scope::{Scope, ScopeGuard};
 pub use crate::transport::{Transport, TransportFactory};
 
-#[cfg(all(feature = "client", feature = "metrics-cadence1"))]
-pub mod cadence;
 // client feature
 #[cfg(feature = "client")]
 mod client;
 #[cfg(feature = "client")]
 mod hub_impl;
-#[cfg(all(feature = "client", feature = "metrics"))]
-pub mod metrics;
 #[cfg(feature = "client")]
 mod session;
-#[cfg(all(feature = "client", feature = "metrics"))]
-mod units;
 
 #[cfg(feature = "client")]
 pub use crate::{client::Client, hub_impl::SwitchGuard as HubSwitchGuard};