Joseph Doherty
25dbd8d3bd
First slice of F25. Provides the building blocks the per-operation
request/response codecs and the network loop will compose:
* `actions` module — IASBIDataV2 action strings (all 14 operations,
verbatim from `AsbContracts.cs:14-58`).
* `ConnectionValidator` — SOAP header struct mirroring
`AsbContracts.cs:65-117`. `from_signed(&SignedValidator)` converts
F23's MAC + IV to base64 for the wire, matching .NET's
`BinaryWriter`-via-`XmlSerializer` shape.
* `SoapEnvelope` + `encode_envelope` — assembles the NBFX token
stream: `s:Envelope` → `s:Header` → `a:Action s:mustUnderstand="1"`
→ optional `h:ConnectionValidator` → `s:Body` → caller-supplied
body tokens. Uses static-dictionary IDs for the SOAP/WS-Addressing
tokens via F22's `lookup_static`.
* `decode_envelope` — pulls action + validator + body tokens back
out of received bytes. Tolerant of header ordering.
* Mixed-endian GUID format/parse (`format_uuid` / `parse_uuid`) that
mirrors .NET's `Guid.ToString("D")` byte order so connection-id
round-trip matches the wire exactly.
9 new unit tests cover:
* Round-trip with and without validator.
* `from_signed` base64 encoding of MAC + IV.
* `format_uuid` produces the correct .NET-mixed-endian hex string.
* GUID round-trip through string formatter.
* Action string presence in the encoded byte stream.
* Decoder tolerance of envelopes without an Action header.
* Validator round-trip through full encode → decode.
* Lint-style guard that all 14 action constants are URIs ending `In`.
Stubbed for next F25 iteration: per-operation request/response
struct codecs (`ConnectRequest`, `RegisterItemsRequest`, etc.) +
`AsbClient` network loop.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
design/ — Rust port architectural plan
This folder is the design contract for the Rust replacement of AVEVA/Wonderware MXAccess. It is the gap between the .NET reference in src/ and the Rust crates that will be written under a sibling rust/ workspace (per CLAUDE.md).
The folder is structured as a small set of focused documents. Read in order; each builds on the previous.
| File | Purpose |
|---|---|
00-overview.md |
Mission, two-layer goal, architectural principles, non-goals |
10-raw-layer.md |
Byte-accurate raw MXAccess layer (codec + transport + session) |
20-async-layer.md |
Idiomatic Tokio async layer on top of the raw layer |
30-crate-topology.md |
Cargo workspace, crates, dependencies, build/test commands |
40-protocol-invariants.md |
Bill of materials: IIDs, opnums, envelope/handle bytes |
50-error-model.md |
MxStatus, error types, panic/cancellation policy |
60-roadmap.md |
Milestones M0..M6, validation strategy |
70-risks-and-open-questions.md |
Parity gaps, unproven flows, cross-platform constraints |
dependencies.md |
Cross- and within-milestone parallelism map; agent budget per phase |
review.md |
Adversarial review log (BLOCKER/MAJOR/MINOR/NIT findings, all resolved) |
prompt.md |
/loop driver prompt for autonomous M2–M6 execution |
followups.md |
Open / resolved deferred work items; auto-triaged by prompt.md Step 0 (created on first /loop run if missing) |
The design is grounded in the .NET reference at src/ and the protocol artifacts in docs/, analysis/, and captures/. Do not introduce protocol behavior in these documents that is not already proven in the reference. When adding a new claim about wire format, cite either:
- a
.csfile path insrc/MxNativeCodec/,src/MxNativeClient/, orsrc/MxAsbClient/, or - a
docs/*.mdspec file, or - a
captures/0NN-frida-*directory oranalysis/frida/*.tsvrow.
This folder is documentation, not code. When the Rust workspace is created, the design here is the contract it must satisfy. When evidence in captures/ invalidates a design decision here, update the design first, then the code.
Reading order
- New contributor: 00 → 30 → 10 → 40 → 20 → 50 → 60 → 70.
- Protocol question: 40 first, then the relevant section of 10.
- API question: 20 first, then 50.
- Planning a milestone: 60 first, cross-reference 70 for blockers.
- Scheduling concurrent work:
dependencies.mdfor the per-phase parallelism map. - Driving M2–M6 autonomously via
/loop:prompt.md(and thefollowups.mdtriage log it maintains).