120 lines
3.3 KiB
Rust
120 lines
3.3 KiB
Rust
use crate::extensions::{Extension, ResolveInfo};
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use crate::Variables;
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use async_graphql_parser::types::ExecutableDocument;
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use std::collections::BTreeMap;
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use tracing::{span, Level, Span};
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/// Tracing extension
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///
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/// # References
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///
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/// <https://crates.io/crates/tracing>
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#[derive(Default)]
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#[cfg_attr(feature = "nightly", doc(cfg(feature = "tracing")))]
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pub struct Tracing {
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root: Option<Span>,
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parse: Option<Span>,
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validation: Option<Span>,
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execute: Option<Span>,
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fields: BTreeMap<usize, Span>,
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}
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impl Extension for Tracing {
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fn parse_start(&mut self, query_source: &str, _variables: &Variables) {
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let root_span = span!(
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target: "async_graphql::graphql",
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parent: None,
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Level::INFO,
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"query",
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source = %query_source
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);
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let parse_span = span!(
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target: "async_graphql::graphql",
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parent: &root_span,
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Level::INFO,
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"parse"
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);
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root_span.with_subscriber(|(id, d)| d.enter(id));
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self.root.replace(root_span);
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parse_span.with_subscriber(|(id, d)| d.enter(id));
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self.parse.replace(parse_span);
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}
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fn parse_end(&mut self, _document: &ExecutableDocument) {
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self.parse
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.take()
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.unwrap()
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.with_subscriber(|(id, d)| d.exit(id));
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}
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fn validation_start(&mut self) {
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let parent = self.root.as_ref().unwrap();
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let validation_span = span!(
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target: "async_graphql::graphql",
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parent: parent,
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Level::INFO,
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"validation"
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);
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validation_span.with_subscriber(|(id, d)| d.enter(id));
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self.validation.replace(validation_span);
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}
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fn validation_end(&mut self) {
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self.validation
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.take()
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.unwrap()
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.with_subscriber(|(id, d)| d.exit(id));
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}
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fn execution_start(&mut self) {
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let parent = self.root.as_ref().unwrap();
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let execute_span = span!(
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target: "async_graphql::graphql",
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parent: parent,
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Level::INFO,
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"execute"
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);
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execute_span.with_subscriber(|(id, d)| d.enter(id));
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self.execute.replace(execute_span);
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}
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fn execution_end(&mut self) {
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self.execute
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.take()
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.unwrap()
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.with_subscriber(|(id, d)| d.exit(id));
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self.root
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.take()
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.unwrap()
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.with_subscriber(|(id, d)| d.exit(id));
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}
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fn resolve_start(&mut self, info: &ResolveInfo<'_>) {
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let parent_span = match info.resolve_id.parent {
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Some(parent_id) if parent_id > 0 => self.fields.get(&parent_id).unwrap(),
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_ => self.execute.as_ref().unwrap(),
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};
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let span = span!(
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target: "async_graphql::graphql",
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parent: parent_span,
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Level::INFO,
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"field",
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id = %info.resolve_id.current,
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path = %info.path_node
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);
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span.with_subscriber(|(id, d)| d.enter(id));
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self.fields.insert(info.resolve_id.current, span);
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}
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fn resolve_end(&mut self, info: &ResolveInfo<'_>) {
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if let Some(span) = self.fields.remove(&info.resolve_id.current) {
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span.with_subscriber(|(id, d)| d.exit(id));
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}
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}
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}
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