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use std::ops::{Deref, DerefMut};
use opentelemetry_otlp::{ExportConfig, Protocol};
use serde::{de::Visitor, Deserialize};
#[derive(Debug, Default)]
#[repr(transparent)]
pub struct ExportConfigDeserialize(ExportConfig);
impl Clone for ExportConfigDeserialize {
fn clone(&self) -> Self {
Self(ExportConfig {
endpoint: self.0.endpoint.clone(),
protocol: self.0.protocol,
timeout: self.0.timeout,
})
}
}
impl From<ExportConfigDeserialize> for ExportConfig {
fn from(val: ExportConfigDeserialize) -> Self {
val.0
}
}
impl Deref for ExportConfigDeserialize {
type Target = ExportConfig;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl DerefMut for ExportConfigDeserialize {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.0
}
}
impl<'de> Deserialize<'de> for ExportConfigDeserialize {
fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
where
D: serde::Deserializer<'de>,
{
#[derive(Deserialize, Debug)]
#[serde(field_identifier, rename_all = "lowercase")]
enum Fields {
Endpoint,
Timeout,
}
struct OpenTelemetryExportConfigVisitor;
impl<'de> Visitor<'de> for OpenTelemetryExportConfigVisitor {
type Value = ExportConfigDeserialize;
fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
formatter.write_str("struct OpenTelemetryExportConfig")
}
fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
where
A: serde::de::MapAccess<'de>,
{
let mut export_config = ExportConfigDeserialize::default();
export_config.0.protocol = Protocol::Grpc;
while let Some(name) = map.next_key::<Fields>()? {
match name {
Fields::Endpoint => {
export_config.0.endpoint = map.next_value()?;
}
Fields::Timeout => {
export_config.0.timeout = map.next_value()?;
}
}
}
Ok(export_config)
}
}
deserializer.deserialize_struct(
"OpenTelemetryExportConfig",
&["endpoint", "protocol", "timeout"],
OpenTelemetryExportConfigVisitor,
)
}
}
#[derive(Debug, Clone, Deserialize)]
pub struct Configuration {
pub traces: Option<ExportConfigDeserialize>,
pub metrics: Option<ExportConfigDeserialize>,
}
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