Implement native Tokio UDP transport from packet buffers through reliable send/receive behavior.
Deliverables
Cover socket ownership, sequence numbers, ACK aggregation/resend, duplicate/out-of-order handling, zero coding integration, MTU/fragment assumptions, throttles, timeouts, and cancellation.
Use bounded channels/backpressure and one clear write owner.
Record transport statistics without logging sensitive payloads by default.
Validation
Deterministic transport tests pass with local fake sockets/time.
No task leaks on cancellation or drop.
Malformed datagrams do not panic or grow memory without bounds.
Prerequisite
Wire codegen and the foundational implementation milestones are complete; the fixed API/test gates remain authoritative.
Project constraints
Native Rust networking only; no C# bridge, helper service, subprocess, or fallback.
Keep mapped APIs and translated assertions fixed, use bounded resources, and never log secrets.
Validate offline with deterministic fake servers before live-grid use and update docs/coverage evidence.
## Objective
Implement native Tokio UDP transport from packet buffers through reliable send/receive behavior.
## Deliverables
- Cover socket ownership, sequence numbers, ACK aggregation/resend, duplicate/out-of-order handling, zero coding integration, MTU/fragment assumptions, throttles, timeouts, and cancellation.
- Use bounded channels/backpressure and one clear write owner.
- Record transport statistics without logging sensitive payloads by default.
## Validation
- Deterministic transport tests pass with local fake sockets/time.
- No task leaks on cancellation or drop.
- Malformed datagrams do not panic or grow memory without bounds.
## Prerequisite
Wire codegen and the foundational implementation milestones are complete; the fixed API/test gates remain authoritative.
## Project constraints
- Native Rust networking only; no C# bridge, helper service, subprocess, or fallback.
- Keep mapped APIs and translated assertions fixed, use bounded resources, and never log secrets.
- Validate offline with deterministic fake servers before live-grid use and update docs/coverage evidence.
hugo
added this to the 08 - Networking and client lifecycle milestone 2026-08-08 08:19:15 +00:00
Implemented and pushed in c7777d4. Added a native Tokio UDP transport with runtime-neutral construction, bounded receive/command/write queues, a single socket writer, per-peer full-width sequence/reliable state, appended and standalone ACK handling, retries, duplicate/out-of-order tracking, zerocoding/MTU enforcement, C#-compatible packet buffers and AgentThrottle encoding, token-bucket throttles, redacted statistics, cancellation, async task joining, and final-drop cleanup. Added docs and regenerated the native API shim/coverage evidence.
Verification: 12/12 isolated UDP loopback tests pass; 2/2 UDP fake-time/unit tests pass; packet-wire 6/6; core runtime compatibility 2/2; API compile fixture, API mapping/coverage, deterministic codegen gate, Clippy, and serial workspace no-run compile all pass. The repository-wide parity checker still independently reports its pre-existing stale PacketTests.ToBytesMultiple metadata hash; this change does not touch that catalog or test body.
Implemented and pushed in c7777d4. Added a native Tokio UDP transport with runtime-neutral construction, bounded receive/command/write queues, a single socket writer, per-peer full-width sequence/reliable state, appended and standalone ACK handling, retries, duplicate/out-of-order tracking, zerocoding/MTU enforcement, C#-compatible packet buffers and AgentThrottle encoding, token-bucket throttles, redacted statistics, cancellation, async task joining, and final-drop cleanup. Added docs and regenerated the native API shim/coverage evidence.
Verification: 12/12 isolated UDP loopback tests pass; 2/2 UDP fake-time/unit tests pass; packet-wire 6/6; core runtime compatibility 2/2; API compile fixture, API mapping/coverage, deterministic codegen gate, Clippy, and serial workspace no-run compile all pass. The repository-wide parity checker still independently reports its pre-existing stale PacketTests.ToBytesMultiple metadata hash; this change does not touch that catalog or test body.
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Objective
Implement native Tokio UDP transport from packet buffers through reliable send/receive behavior.
Deliverables
Validation
Prerequisite
Wire codegen and the foundational implementation milestones are complete; the fixed API/test gates remain authoritative.
Project constraints
Implemented and pushed in
c7777d4. Added a native Tokio UDP transport with runtime-neutral construction, bounded receive/command/write queues, a single socket writer, per-peer full-width sequence/reliable state, appended and standalone ACK handling, retries, duplicate/out-of-order tracking, zerocoding/MTU enforcement, C#-compatible packet buffers and AgentThrottle encoding, token-bucket throttles, redacted statistics, cancellation, async task joining, and final-drop cleanup. Added docs and regenerated the native API shim/coverage evidence.Verification: 12/12 isolated UDP loopback tests pass; 2/2 UDP fake-time/unit tests pass; packet-wire 6/6; core runtime compatibility 2/2; API compile fixture, API mapping/coverage, deterministic codegen gate, Clippy, and serial workspace no-run compile all pass. The repository-wide parity checker still independently reports its pre-existing stale PacketTests.ToBytesMultiple metadata hash; this change does not touch that catalog or test body.