Commit Graph

1 Commits

Author SHA1 Message Date
Lauri Tulmin 08236a710f
Add library instrumentation for java http client (#8138)
Resolves
https://github.com/open-telemetry/opentelemetry-java-instrumentation/issues/8069
The javaagent instrumentation also supports propagating context into
[BodyHandler](https://docs.oracle.com/en/java/javase/11/docs/api/java.net.http/java/net/http/HttpResponse.BodyHandler.html)
implemented in
https://github.com/open-telemetry/opentelemetry-java-instrumentation/blob/main/instrumentation/java-http-client/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/httpclient/BodyHandlerWrapper.java
I think the initial idea behind it was that this allowed propagating
context into callbacks. Because this didn't work for
`connectionErrorUnopenedPortWithCallback` test later we also added
wrapping completable future to take care of propagating context into
callbacks. Should I also implement context propagation for `BodyHandler`
in library instrumentation or should I just delete it? I guess it could
come handy if someone builds a custom `BodyHandler` and wants to emit
spans from there, though this doesn't feel too likely. I'd like deleting
it more.

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Co-authored-by: Trask Stalnaker <trask.stalnaker@gmail.com>
2023-04-03 13:08:29 -07:00