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misc/metrics: Track # connected nodes supporting specific protocol (#2734)
* misc/metrics: Explicitly delegate event recording to each recorder This allows delegating a single event to multiple `Recorder`s. That enables e.g. the `identify::Metrics` `Recorder` to act both on `IdentifyEvent` and `SwarmEvent`. The latter enables it to garbage collect per peer data on disconnects. * protocols/dcutr: Expose PROTOCOL_NAME * protocols/identify: Expose PROTOCOL_NAME and PUSH_PROTOCOL_NAME * protocols/ping: Expose PROTOCOL_NAME * protocols/relay: Expose HOP_PROTOCOL_NAME and STOP_PROTOCOL_NAME * misc/metrics: Track # connected nodes supporting specific protocol An example metric exposed with this patch: ``` libp2p_identify_protocols{protocol="/ipfs/ping/1.0.0"} 10 ``` This implies that 10 of the currently connected nodes support the ping protocol.
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@@ -92,17 +92,17 @@ impl Metrics {
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}
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}
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impl super::Recorder<libp2p_ping::PingEvent> for super::Metrics {
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impl super::Recorder<libp2p_ping::PingEvent> for Metrics {
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fn record(&self, event: &libp2p_ping::PingEvent) {
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match &event.result {
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Ok(libp2p_ping::PingSuccess::Pong) => {
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self.ping.pong_received.inc();
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self.pong_received.inc();
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}
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Ok(libp2p_ping::PingSuccess::Ping { rtt }) => {
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self.ping.rtt.observe(rtt.as_secs_f64());
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self.rtt.observe(rtt.as_secs_f64());
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}
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Err(failure) => {
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self.ping.failure.get_or_create(&failure.into()).inc();
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self.failure.get_or_create(&failure.into()).inc();
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}
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}
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}
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