Migrate from Channel/Slot to PipelineState API#1247
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Add HTTPVersion and header helper APIs. Implement request options: copyheaders, basicauth, canonicalize_headers, detect_content_type, proxy/pool, logerrors/logtag. Fix request/body handling, stream error propagation, websocket control frames, and header duplication. Add tests for headers, httpversion, client options, and websocket ping/pong.
Implement HTTP.open with streaming IO for requests/responses. - Add stream IO methods, lifecycle control, and GC rooting - Prepare HTTP/1 chunked requests before stream creation - Add client streaming tests for GET and POST
Add listen/listen! wrappers and blocking serve. - Enable stream handlers with request-body streaming and chunked responses - Add server stream helpers (setstatus/setheader) and tests
- track control frames and fragmented messages - add close handling with error propagation - cover fragmentation/close in tests
- gate retries by idempotency and body retryability - honor retry_delays and retry_check overrides - track retry counts in response metrics - add retry behavior tests
Adapt to Reseau's new exception-based error model: - Replace AwsIO module references with Reseau.Sockets - Fix channel_slot_send_message result check (now returns nothing) - Change WsChannelHandler vtable methods from ::Int to ::Nothing - Fix unsafe_string call on Reseau.error_str (returns String, not Ptr) - Update tests for new error patterns Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Update HTTP server, client, and WebSocket code to use the new closure-based PipelineState from Reseau. Key changes: - Server: Connection.channel → Connection.pipeline, uses pipeline_shutdown!/pipeline_trigger_read/pipeline_schedule_task_now! - Client stream: h1conn.slot → h1conn.pipeline, uses pipeline_write! - WebSockets: WsChannelHandler → WsHandler (no longer extends AbstractChannelHandler), installs read handler via downstream_read_setter instead of slot manipulation - utils: _H2_CHANNEL_SUPPORTED = true (H2Connection no longer extends AbstractChannelHandler but is supported via pipeline API) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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- Test only Julia 1.12 on Linux, macOS, Windows - Install Reseau and AwsHTTP from GitHub before building - Remove old doc/coverage steps - Trigger on all PRs (not just master-targeted) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
PipelineStatefrom ReseauConnection.channel→Connection.pipeline, usespipeline_shutdown!/pipeline_trigger_read/pipeline_schedule_task_now!h1conn.slot→h1conn.pipeline, usespipeline_write!WsChannelHandler→WsHandler(no longer extendsAbstractChannelHandler), installs read handler viadownstream_read_setter_H2_CHANNEL_SUPPORTED = true(H2Connection supported via pipeline API)Companion PRs
Test plan
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