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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| use jsonrpsee::server::logger::{HttpRequest, Logger, MethodKind, Params, TransportProtocol}; | ||
| use reth_metrics::{ | ||
| metrics::{self, Counter, Histogram}, | ||
| Metrics, | ||
| }; | ||
| use std::{net::SocketAddr, time::Instant}; | ||
|
|
||
| /// Metrics for the rpc server | ||
| #[derive(Metrics, Clone)] | ||
| #[metrics(scope = "rpc_server")] | ||
| pub(crate) struct RpcServerMetrics { | ||
| /// The number of calls started | ||
| calls_started: Counter, | ||
| /// The number of successful calls | ||
| successful_calls: Counter, | ||
| /// The number of failed calls | ||
| failed_calls: Counter, | ||
| /// The number of requests started | ||
| requests_started: Counter, | ||
| /// The number of requests finished | ||
| requests_finished: Counter, | ||
| /// The number of ws sessions opened | ||
| ws_session_opened: Counter, | ||
| /// The number of ws sessions closed | ||
| ws_session_closed: Counter, | ||
| /// Latency for a single request/response pair | ||
| request_latency: Histogram, | ||
| /// Latency for a single call | ||
| call_latency: Histogram, | ||
| } | ||
|
|
||
| impl Logger for RpcServerMetrics { | ||
| type Instant = Instant; | ||
| fn on_connect( | ||
| &self, | ||
| _remote_addr: SocketAddr, | ||
| _request: &HttpRequest, | ||
| transport: TransportProtocol, | ||
| ) { | ||
| match transport { | ||
| TransportProtocol::Http => {} | ||
| TransportProtocol::WebSocket => self.ws_session_opened.increment(1), | ||
| } | ||
| } | ||
| fn on_request(&self, _transport: TransportProtocol) -> Self::Instant { | ||
| self.requests_started.increment(1); | ||
| Instant::now() | ||
| } | ||
| fn on_call( | ||
| &self, | ||
| _method_name: &str, | ||
| _params: Params<'_>, | ||
| _kind: MethodKind, | ||
| _transport: TransportProtocol, | ||
| ) { | ||
| self.calls_started.increment(1); | ||
| } | ||
| fn on_result( | ||
| &self, | ||
| _method_name: &str, | ||
| success: bool, | ||
| started_at: Self::Instant, | ||
| _transport: TransportProtocol, | ||
| ) { | ||
| // capture call duration | ||
| self.call_latency.record(started_at.elapsed().as_millis() as f64); | ||
| if !success { | ||
| self.failed_calls.increment(1); | ||
| } else { | ||
| self.successful_calls.increment(1); | ||
| } | ||
| } | ||
| fn on_response(&self, _result: &str, started_at: Self::Instant, _transport: TransportProtocol) { | ||
| // capture request latency for this request/response pair | ||
| self.request_latency.record(started_at.elapsed().as_millis() as f64); | ||
| self.requests_finished.increment(1); | ||
| } | ||
| fn on_disconnect(&self, _remote_addr: SocketAddr, transport: TransportProtocol) { | ||
| match transport { | ||
| TransportProtocol::Http => {} | ||
| TransportProtocol::WebSocket => self.ws_session_closed.increment(1), | ||
| } | ||
| } | ||
| } |