Ext_proc filter and client interceptor#12792

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kannanjgithub wants to merge 434 commits into

grpc:masterfrom

kannanjgithub:ext-proc

Commits on Apr 16, 2026

Add test for response body mode override from Grpc to None.
kannanjgithub
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Apply filter config overrides by merging with top level filter config.
kannanjgithub
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Disable immediate_response config handling.
kannanjgithub
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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

Commits on Apr 21, 2026

Commits on Apr 22, 2026

Commits on Apr 24, 2026

Commits on Apr 27, 2026

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Commits on Apr 30, 2026

Commits on May 4, 2026

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.
kannanjgithub
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Commits on May 8, 2026

Commits on May 11, 2026

Commits on May 13, 2026

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…
kannanjgithub
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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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Commits on May 20, 2026

Commits on May 25, 2026

Commits on May 26, 2026

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
kannanjgithub
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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