| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| // |
| |
| use skywalking::{ |
| metrics::{meter::Counter, metricer::Metricer}, |
| reporter::grpc::GrpcReporter, |
| }; |
| use std::error::Error; |
| use tokio::signal; |
| |
| #[tokio::main] |
| async fn main() -> Result<(), Box<dyn Error>> { |
| // Connect to skywalking oap server. |
| let reporter = GrpcReporter::connect("http://0.0.0.0:11800").await?; |
| |
| // Spawn the reporting in background, with listening the graceful shutdown |
| // signal. |
| let handle = reporter |
| .reporting() |
| .await |
| .with_graceful_shutdown(async move { |
| signal::ctrl_c().await.expect("failed to listen for event"); |
| }) |
| .spawn(); |
| |
| // Do metrics. |
| let mut metricer = Metricer::new("service", "instance", reporter.clone()); |
| let counter = metricer.register( |
| Counter::new("instance_trace_count") |
| .add_label("region", "us-west") |
| .add_label("az", "az-1"), |
| ); |
| |
| counter.increment(1.); |
| |
| metricer.boot().await.unwrap(); |
| handle.await.unwrap(); |
| |
| Ok(()) |
| } |