Ext_proc filter and client interceptor#12792

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kannanjgithub:ext-proc

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Commits on Apr 15, 2026

Commits on Apr 17, 2026

Deferred close of the ext-proc stream when client closes the data plane stream.
kannanjgithub
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Commits on Apr 20, 2026

I have addressed the primary functional requirements for granular ProcessingMode merging, HeaderSendMode.DEFAULT handling, and restricting mode_override to header responses. I have also added exte…
kannanjgithub
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Minor refactorings.
kannanjgithub
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Add client streaming and bidi streaming tests (unary and server streaming tests already exist).
kannanjgithub
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Commits on Apr 21, 2026

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Commits on May 6, 2026

Created separate config for the override config and address other review comments.
kannanjgithub
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Commits on May 7, 2026

Address review comments.
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Commits on May 8, 2026

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Commits on May 14, 2026

Identified some incorrect handlings of end of stream indicator and fixed them:
kannanjgithub
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Commits on May 15, 2026

Fix incorrect behavior when handling draining of ext proc request messages queue. Passthough flag should only be set to true afetr this draining is complete, as otherwise application.sendMessage wi…
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Commits on May 18, 2026

Commits on May 19, 2026

xds: Implement zero-copy serialization pipeline in ExternalProcessorFilter
kannanjgithub
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xds: Implement Context propagation in ExternalProcessorClientInterceptor
kannanjgithub
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Commits on Jun 2, 2026

xds: Add Category 20 tests for client interceptor concurrency and serialization
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Commits on Jun 4, 2026

Fix a bug that was not respecting Trailer send mode before sending to ext-proc for trailers-only received from dataplane server.
kannanjgithub
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Commits on Jun 11, 2026

xds: align external processor interceptor with new fail-open body specification
kannanjgithub
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Commits on Jun 15, 2026

xds: allow data plane RPC to continue normally when ext_proc stream fails in observability mode
kannanjgithub
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Commits on Jun 18, 2026

Commits on Jun 19, 2026