feat: initialize Kurdistan SDK - independent fork of Polkadot SDK

pezkuwi/node/collation-generation/src/metrics.rs

@@ -0,0 +1,75 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Pezkuwi.
+
+// Pezkuwi is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Pezkuwi is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Pezkuwi.  If not, see <http://www.gnu.org/licenses/>.
+
+use pezkuwi_node_subsystem_util::metrics::{self, prometheus};
+
+#[derive(Clone)]
+pub(crate) struct MetricsInner {
+	pub(crate) collations_generated_total: prometheus::Counter<prometheus::U64>,
+	pub(crate) new_activation: prometheus::Histogram,
+	pub(crate) submit_collation: prometheus::Histogram,
+}
+
+/// `CollationGenerationSubsystem` metrics.
+#[derive(Default, Clone)]
+pub struct Metrics(pub(crate) Option<MetricsInner>);
+
+impl Metrics {
+	pub fn on_collation_generated(&self) {
+		if let Some(metrics) = &self.0 {
+			metrics.collations_generated_total.inc();
+		}
+	}
+
+	/// Provide a timer for new activations which updates on drop.
+	pub fn time_new_activation(&self) -> Option<metrics::prometheus::prometheus::HistogramTimer> {
+		self.0.as_ref().map(|metrics| metrics.new_activation.start_timer())
+	}
+
+	/// Provide a timer for submitting a collation which updates on drop.
+	pub fn time_submit_collation(&self) -> Option<metrics::prometheus::prometheus::HistogramTimer> {
+		self.0.as_ref().map(|metrics| metrics.submit_collation.start_timer())
+	}
+}
+
+impl metrics::Metrics for Metrics {
+	fn try_register(registry: &prometheus::Registry) -> Result<Self, prometheus::PrometheusError> {
+		let metrics = MetricsInner {
+			collations_generated_total: prometheus::register(
+				prometheus::Counter::new(
+					"pezkuwi_teyrchain_collations_generated_total",
+					"Number of collations generated.",
+				)?,
+				registry,
+			)?,
+			new_activation: prometheus::register(
+				prometheus::Histogram::with_opts(prometheus::HistogramOpts::new(
+					"pezkuwi_teyrchain_collation_generation_new_activations",
+					"Time spent within fn handle_new_activation",
+				))?,
+				registry,
+			)?,
+			submit_collation: prometheus::register(
+				prometheus::Histogram::with_opts(prometheus::HistogramOpts::new(
+					"pezkuwi_teyrchain_collation_generation_submit_collation",
+					"Time spent preparing and submitting a collation to the network protocol",
+				))?,
+				registry,
+			)?,
+		};
+		Ok(Metrics(Some(metrics)))
+	}
+}