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[HttpClient] update network.protocol.version values as per specification #5006

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3 changes: 3 additions & 0 deletions src/OpenTelemetry.Instrumentation.Http/CHANGELOG.md
Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,9 @@
([#5005](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5005))
([#5034](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5034))

* Fixed `network.protocol.version` attribute values to match the specification.
([#5006](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5006))

## 1.6.0-beta.2

Released 2023-Oct-26
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Original file line number Diff line number Diff line change
Expand Up @@ -205,7 +205,7 @@ public void OnStartActivity(Activity activity, object payload)
}

activity.SetTag(SemanticConventions.AttributeUrlFull, HttpTagHelper.GetUriTagValueFromRequestUri(request.RequestUri));
activity.SetTag(SemanticConventions.AttributeNetworkProtocolVersion, HttpTagHelper.GetFlavorTagValueFromProtocolVersion(request.Version));
activity.SetTag(SemanticConventions.AttributeNetworkProtocolVersion, HttpTagHelper.GetProtocolVersionString(request.Version));

if (request.Headers.TryGetValues("User-Agent", out var userAgentValues))
{
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Original file line number Diff line number Diff line change
Expand Up @@ -130,7 +130,7 @@ public void OnStopEventWritten(Activity activity, object payload)

tags.Add(new KeyValuePair<string, object>(SemanticConventions.AttributeServerAddress, request.RequestUri.Host));
tags.Add(new KeyValuePair<string, object>(SemanticConventions.AttributeUrlScheme, request.RequestUri.Scheme));
tags.Add(new KeyValuePair<string, object>(SemanticConventions.AttributeNetworkProtocolVersion, HttpTagHelper.GetFlavorTagValueFromProtocolVersion(request.Version)));
tags.Add(new KeyValuePair<string, object>(SemanticConventions.AttributeNetworkProtocolVersion, HttpTagHelper.GetProtocolVersionString(request.Version)));

if (!request.RequestUri.IsDefaultPort)
{
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Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,15 @@ public static string GetUriTagValueFromRequestUri(Uri uri)
return string.Concat(uri.Scheme, Uri.SchemeDelimiter, uri.Authority, uri.PathAndQuery, uri.Fragment);
}

public static string GetProtocolVersionString(Version httpVersion) => (httpVersion.Major, httpVersion.Minor) switch
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{
(1, 0) => "1.0",
(1, 1) => "1.1",
(2, 0) => "2",
(3, 0) => "3",
_ => httpVersion.ToString(),
};

private static string ConvertMethodToOperationName(string method) => $"HTTP {method}";

private static string ConvertHttpMethodToOperationName(HttpMethod method) => $"HTTP {method}";
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Expand Up @@ -173,7 +173,7 @@ private static void AddRequestTagsAndInstrumentRequest(HttpWebRequest request, A
}

activity.SetTag(SemanticConventions.AttributeUrlFull, HttpTagHelper.GetUriTagValueFromRequestUri(request.RequestUri));
activity.SetTag(SemanticConventions.AttributeNetworkProtocolVersion, HttpTagHelper.GetFlavorTagValueFromProtocolVersion(request.ProtocolVersion));
activity.SetTag(SemanticConventions.AttributeNetworkProtocolVersion, HttpTagHelper.GetProtocolVersionString(request.ProtocolVersion));
}

try
Expand Down Expand Up @@ -531,7 +531,7 @@ private static void ProcessResult(IAsyncResult asyncResult, AsyncCallback asyncC

tags.Add(SemanticConventions.AttributeServerAddress, request.RequestUri.Host);
tags.Add(SemanticConventions.AttributeUrlScheme, request.RequestUri.Scheme);
tags.Add(SemanticConventions.AttributeNetworkProtocolVersion, HttpTagHelper.GetFlavorTagValueFromProtocolVersion(request.ProtocolVersion));
tags.Add(SemanticConventions.AttributeNetworkProtocolVersion, HttpTagHelper.GetProtocolVersionString(request.ProtocolVersion));
if (!request.RequestUri.IsDefaultPort)
{
tags.Add(SemanticConventions.AttributeServerPort, request.RequestUri.Port);
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