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Removed unused struct.

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This commit is contained in:
Nicolas Patry 2024-05-02 21:52:04 +02:00
parent 568d6094b5
commit cd62e237fe
1 changed files with 0 additions and 21 deletions
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21
router/grpc-metadata/src/lib.rs
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@ -5,27 +5,6 @@ use opentelemetry::global;
use opentelemetry::propagation::{Extractor, Injector};
use tracing_opentelemetry::OpenTelemetrySpanExt;
/// Extract context metadata from a gRPC request's metadata
struct MetadataExtractor<'a>(pub &'a tonic::metadata::MetadataMap);
impl<'a> Extractor for MetadataExtractor<'a> {
/// Get a value for a key from the MetadataMap. If the value can't be converted to &str, returns None
fn get(&self, key: &str) -> Option<&str> {
self.0.get(key).and_then(|metadata| metadata.to_str().ok())
}
/// Collect all the keys from the MetadataMap.
fn keys(&self) -> Vec<&str> {
self.0
.keys()
.map(|key| match key {
tonic::metadata::KeyRef::Ascii(v) => v.as_str(),
tonic::metadata::KeyRef::Binary(v) => v.as_str(),
})
.collect::<Vec<_>>()
}
}
/// Inject context in the metadata of a gRPC request.
struct MetadataInjector<'a>(pub &'a mut tonic::metadata::MetadataMap);