subspace_service/
metrics.rs

1//! Node metrics
2
3use futures::StreamExt;
4use parity_scale_codec::Encode;
5use sc_client_api::{BlockBackend, BlockImportNotification, ImportNotifications};
6use sp_runtime::traits::Block as BlockT;
7use std::sync::Arc;
8use substrate_prometheus_endpoint::{register, Counter, PrometheusError, Registry, U64};
9
10pub struct NodeMetrics<Block: BlockT, Client> {
11    client: Arc<Client>,
12    block_import: ImportNotifications<Block>,
13    blocks: Counter<U64>,
14    extrinsics: Counter<U64>,
15    extrinsics_size: Counter<U64>,
16    _p: std::marker::PhantomData<Block>,
17}
18
19impl<Block, Client> NodeMetrics<Block, Client>
20where
21    Block: BlockT,
22    Client: BlockBackend<Block> + 'static,
23{
24    pub fn new(
25        client: Arc<Client>,
26        block_import: ImportNotifications<Block>,
27        registry: &Registry,
28    ) -> Result<Self, PrometheusError> {
29        Ok(Self {
30            client,
31            block_import,
32            blocks: register(
33                Counter::new("subspace_node_blocks", "Total number of imported blocks")?,
34                registry,
35            )?,
36            extrinsics: register(
37                Counter::new(
38                    "subspace_node_extrinsics",
39                    "Total number of extrinsics in the imported blocks",
40                )?,
41                registry,
42            )?,
43            extrinsics_size: register(
44                Counter::new(
45                    "subspace_node_extrinsics_size",
46                    "Total extrinsic bytes in the imported blocks",
47                )?,
48                registry,
49            )?,
50            _p: Default::default(),
51        })
52    }
53
54    pub async fn run(mut self) {
55        while let Some(incoming_block) = self.block_import.next().await {
56            self.update_block_metrics(incoming_block);
57        }
58    }
59
60    fn update_block_metrics(&self, incoming_block: BlockImportNotification<Block>) {
61        let extrinsics = self
62            .client
63            .block_body(incoming_block.hash)
64            .ok()
65            .flatten()
66            .unwrap_or_default();
67        self.blocks.inc();
68        self.extrinsics.inc_by(extrinsics.len() as u64);
69        let total_size: usize = extrinsics
70            .iter()
71            .map(|extrinsic| extrinsic.encoded_size())
72            .sum();
73        self.extrinsics_size.inc_by(total_size as u64);
74    }
75}
subspace_service/metrics.rs

subspace_service/
metrics.rs
