85 lines
2.4 KiB
Rust
85 lines
2.4 KiB
Rust
use crate::context::ResolveId;
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use crate::extensions::{Extension, ResolveInfo};
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use crate::QueryPathSegment;
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use parking_lot::Mutex;
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use std::collections::BTreeMap;
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use tracing::{span, Id, Level};
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#[derive(Default)]
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struct Inner {
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root_id: Option<Id>,
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fields: BTreeMap<usize, Id>,
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}
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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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pub struct Tracing {
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inner: Mutex<Inner>,
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}
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impl Default for Tracing {
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fn default() -> Self {
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Self {
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inner: Default::default(),
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}
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}
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}
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impl Extension for Tracing {
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fn parse_start(&self, query_source: &str) {
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let root_span = span!(target: "async-graphql", parent:None, Level::INFO, "query", source = query_source);
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if let Some(id) = root_span.id() {
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tracing::dispatcher::get_default(|d| d.enter(&id));
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self.inner.lock().root_id.replace(id);
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}
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}
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fn execution_end(&self) {
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if let Some(id) = self.inner.lock().root_id.take() {
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tracing::dispatcher::get_default(|d| d.exit(&id));
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}
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}
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fn resolve_field_start(&self, info: &ResolveInfo<'_>) {
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let mut inner = self.inner.lock();
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let parent_span = info
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.resolve_id
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.parent
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.and_then(|id| inner.fields.get(&id))
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.cloned();
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let span = match &info.path_node.segment {
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QueryPathSegment::Index(idx) => span!(
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target: "async-graphql",
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parent: parent_span,
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Level::INFO,
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"field",
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index = *idx,
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parent_type = info.parent_type,
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return_type = info.return_type
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),
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QueryPathSegment::Name(name) => span!(
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target: "async-graphql",
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parent: parent_span,
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Level::INFO,
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"field",
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name = name,
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parent_type = info.parent_type,
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return_type = info.return_type
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),
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};
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if let Some(id) = span.id() {
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tracing::dispatcher::get_default(|d| d.enter(&id));
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inner.fields.insert(info.resolve_id.current, id);
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}
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}
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fn resolve_field_end(&self, resolve_id: ResolveId) {
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if let Some(id) = self.inner.lock().fields.remove(&resolve_id.current) {
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tracing::dispatcher::get_default(|d| d.exit(&id));
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}
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}
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}
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