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Author: ramgdev

opentelemetry-otlp/src/exporter/http/trace.rs

@@ -70,26 +70,29 @@ impl SpanExporter for OtlpHttpClient {
 
 #[cfg(any(feature = "http-proto", feature = "http-json"))]
 fn build_body(spans: Vec<SpanData>) -> TraceResult<(Vec<u8>, &'static str)> {
+    use crate::exporter::default_protocol;
+    #[cfg(feature = "http-json")]
+    use crate::Protocol;
     use opentelemetry_proto::tonic::collector::trace::v1::ExportTraceServiceRequest;
+    #[cfg(feature = "http-proto")]
     use prost::Message;
 
-    use crate::{exporter::default_protocol, Protocol};
-
     let req = ExportTraceServiceRequest {
         resource_spans: spans.into_iter().map(Into::into).collect(),
     };
     let buf;
     let ctype;
     match default_protocol() {
+        #[cfg(feature = "http-json")]
         Protocol::HttpJson => {
             let json_struct = serde_json::to_string_pretty(&req).unwrap();
             buf = json_struct.into();
-            ctype = "application/json";    
-        },
+            ctype = "application/json";
+        }
         _ => {
             buf = req.encode_to_vec();
-            ctype = "application/x-protobuf";    
-        },
+            ctype = "application/x-protobuf";
+        }
     };
     Ok((buf, ctype))
 }

opentelemetry-otlp/src/exporter/mod.rs

@@ -28,13 +28,20 @@ pub const OTEL_EXPORTER_OTLP_PROTOCOL: &str = "OTEL_EXPORTER_OTLP_PROTOCOL";
 /// Compression algorithm to use, defaults to none.
 pub const OTEL_EXPORTER_OTLP_COMPRESSION: &str = "OTEL_EXPORTER_OTLP_COMPRESSION";
 
-#[cfg(all(feature = "trace", not(feature = "http-proto"), not(feature = "grpc-tonic")))]
+#[cfg(all(
+    feature = "trace",
+    not(feature = "http-proto"),
+    not(feature = "grpc-tonic")
+))]
 /// Default protocol, using http-json.
 pub const OTEL_EXPORTER_OTLP_PROTOCOL_DEFAULT: &str = OTEL_EXPORTER_OTLP_PROTOCOL_HTTP_JSON;
 #[cfg(feature = "http-proto")]
 /// Default protocol, using http-proto.
 pub const OTEL_EXPORTER_OTLP_PROTOCOL_DEFAULT: &str = OTEL_EXPORTER_OTLP_PROTOCOL_HTTP_PROTOBUF;
-#[cfg(all(feature = "grpc-tonic", not(all(feature = "http-proto", feature = "http-json"))))]
+#[cfg(all(
+    feature = "grpc-tonic",
+    not(all(feature = "http-proto", feature = "http-json"))
+))]
 /// Default protocol, using grpc as http-proto or http-json feature is not enabled.
 pub const OTEL_EXPORTER_OTLP_PROTOCOL_DEFAULT: &str = OTEL_EXPORTER_OTLP_PROTOCOL_GRPC;
 #[cfg(not(any(any(feature = "grpc-tonic", feature = "http-proto", feature = "http-json"))))]

opentelemetry-otlp/src/lib.rs

@@ -352,10 +352,13 @@ pub enum Error {
     InvalidHeaderName(#[from] http::header::InvalidHeaderName),
 
     /// Prost encode failed
-    #[cfg(any(feature = "http-proto", all(feature = "http-json", not(feature = "trace"))))]
+    #[cfg(any(
+        feature = "http-proto",
+        all(feature = "http-json", not(feature = "trace"))
+    ))]
     #[error("prost encoding error {0}")]
     EncodeError(#[from] prost::EncodeError),
-    
+
     /// The lock in exporters has been poisoned.
     #[cfg(feature = "metrics")]
     #[error("the lock of the {0} has been poisoned")]