| // Copyright 2021 Protocol Labs. | |
| // | |
| // Permission is hereby granted, free of charge, to any person obtaining a | |
| // copy of this software and associated documentation files (the "Software"), | |
| // to deal in the Software without restriction, including without limitation | |
| // the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
| // and/or sell copies of the Software, and to permit persons to whom the | |
| // Software is furnished to do so, subject to the following conditions: | |
| // | |
| // The above copyright notice and this permission notice shall be included in | |
| // all copies or substantial portions of the Software. | |
| // | |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
| // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
| // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
| // DEALINGS IN THE SOFTWARE. | |
| use prometheus_client::metrics::counter::Counter; | |
| use prometheus_client::registry::Registry; | |
| pub(crate) struct Metrics { | |
| messages: Counter, | |
| } | |
| impl Metrics { | |
| pub(crate) fn new(registry: &mut Registry) -> Self { | |
| let sub_registry = registry.sub_registry_with_prefix("gossipsub"); | |
| let messages = Counter::default(); | |
| sub_registry.register("messages", "Number of messages received", messages.clone()); | |
| Self { messages } | |
| } | |
| } | |
| impl super::Recorder<libp2p_gossipsub::Event> for Metrics { | |
| fn record(&self, event: &libp2p_gossipsub::Event) { | |
| if let libp2p_gossipsub::Event::Message { .. } = event { | |
| self.messages.inc(); | |
| } | |
| } | |
| } | |