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//! Use the proxy to dynamically switch the metrics input & names.
use dipstick::{Input, InputScope, Prefixed, Proxy, Stream};
use std::thread::sleep;
use std::time::Duration;
fn main() {
let root_proxy = Proxy::default();
let sub = root_proxy.named("sub");
let count1 = root_proxy.counter("counter_a");
let count2 = sub.counter("counter_b");
loop {
let stdout = Stream::write_to_stdout().metrics();
root_proxy.target(stdout.clone());
count1.count(1);
count2.count(2);
// route every metric from the root to stdout with prefix "root"
root_proxy.target(stdout.named("root"));
count1.count(3);
count2.count(4);
// route metrics from "sub" to stdout with prefix "mutant"
sub.target(stdout.named("mutant"));
count1.count(5);
count2.count(6);
// clear root metrics route, "sub" still appears
root_proxy.unset_target();
count1.count(7);
count2.count(8);
// now no metrics appear
sub.unset_target();
count1.count(9);
count2.count(10);
// go back to initial single un-prefixed route
root_proxy.target(stdout.clone());
count1.count(11);
count2.count(12);
sleep(Duration::from_secs(1));
println!()
}
}