56 lines
1.8 KiB
Rust
56 lines
1.8 KiB
Rust
use super::V;
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use super::dataspace;
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use std::sync::Arc;
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use tracing::{info, debug};
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use preserves::value::Map;
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pub struct Spaces {
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index: Map<V, dataspace::DataspaceRef>,
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}
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impl Spaces {
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pub fn new() -> Self {
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Self { index: Map::new() }
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}
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pub fn lookup(&mut self, name: &V) -> dataspace::DataspaceRef {
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let (is_new, space) = match self.index.get(name) {
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Some(s) => (false, s.clone()),
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None => {
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let s = dataspace::Dataspace::new_ref(name);
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self.index.insert(name.clone(), s.clone());
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(true, s)
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}
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};
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debug!(name = debug(name),
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action = display(if is_new { "created" } else { "accessed" }));
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space
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}
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pub fn cleanup(&mut self) {
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self.index = self.index.iter()
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.filter(|s| s.1.read().unwrap().peer_count() > 0)
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.map(|(k,v)| (k.clone(), Arc::clone(v)))
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.collect();
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}
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pub fn dump_stats(&self, delta: core::time::Duration) {
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info!("{} dataspace(s)", self.index.len());
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for (dsname, dsref) in &self.index {
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let mut ds = dsref.write().unwrap();
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info!(name = debug(dsname),
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connections = display(format!("{} (+{}/-{})", ds.peer_count(), ds.churn.peers_added, ds.churn.peers_removed)),
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assertions = display(format!("{} (+{}/-{})", ds.assertion_count(), ds.churn.assertions_added, ds.churn.assertions_removed)),
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endpoints = display(format!("{} (+{}/-{})", ds.endpoint_count(), ds.churn.endpoints_added, ds.churn.endpoints_removed)),
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msg_in_rate = display(ds.churn.messages_injected as f32 / delta.as_secs() as f32),
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msg_out_rate = display(ds.churn.messages_delivered as f32 / delta.as_secs() as f32));
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ds.churn.reset();
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}
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}
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}
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