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nc_program_manager/.paul/STATE.md
dtrentin d95ead59af chore(paul): create v0.4 Robustness milestone 
Phases:
- 13: robustness-fixes (ISS-001, ISS-005, ISS-006)
- 14: test-hardening (ISS-007, ISS-008)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-18 22:55:07 +02:00

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# Project State
## Project Reference
See: .paul/PROJECT.md (updated 2026-05-18)
**Core value:** Machinists transfer CNC programs to/from any controller without manual steps or internet
**Current focus:** v0.3 complete — all phases done
## Current Position
Milestone: v0.4 Robustness — **In Progress**
Phase: 13 of 14 (robustness-fixes) — Not started
Plan: Not started
Status: Ready to plan
Last activity: 2026-05-18 — Milestone v0.4 created
Progress:
- Milestone v0.1: [██████████] 100% (complete)
- Milestone v0.2: [██████████] 100% (complete)
- Milestone v0.3: [██████████] 100% (complete)
- Milestone v0.4: [░░░░░░░░░░] 0%
## Loop Position
```
PLAN ──▶ APPLY ──▶ UNIFY
○ ○ ○ [Ready for Phase 13 PLAN]
```
## What Was Built (v0.3 Code Quality — complete)
### Phase 11 — Refactor
- `ArgParser.cs` — static class, `Parse(string[]) → InputArgs`; all CLI regex parsing extracted from Program.cs
- `Program.cs` — no static state; `Scarica`/`Invia` take explicit `InputArgs`; `VediErrore` takes `bool debugMode`
- `Program.cs` — try/finally with `connected` flag in `Scarica` and `Invia`; connection leak fixed
- `Program.cs` — `PrintErrors(IReadOnlyList<CncError>)` helper; `CncResult.Errors` printed on every failure
- `AesCrypt.cs` — deleted (dead code, no references)
### Phase 12 — Docs CLI
- `README.md` — params table expanded from 6 → 16 entries (all CLI args documented)
- `README.md` — codici errore section: 12 error codes with causa probabile + soluzione
## What Was Built (v0.1 Multi-CN Release)
### Phase 1 — CNC Abstraction
- Namespace: `Fanuc_integration.Cnc.*` → `FanucProgramManager.Cnc.*` (29 files)
- `IFocasDialect` extended: `UploadStart`/`DownloadStart` accept `short fileType`
- `IFanucMachine` created: extends `ICncMachine` with tool offset + work zero R/W
- `CncManufacturer` enum: Fanuc, Heidenhain, Siemens, Mitsubishi
- All 29 `Cnc/**/*.cs` files added to csproj
### Phase 2 — Heidenhain LSV2
- `HeidenhainConnectionConfig` — IP, port 19000, credentials, timeout
- `Lsv2Client` — TCP framing, CRC-16/CCITT, login (SELECT+LOG_IN), ReceiveFile/SendFile
- `HeidenhainMachine : ICncMachine` — RunGuardedAsync pattern, state machine
### Phase 3 — Siemens + Mitsubishi FTP
- `SiemensConnectionConfig` / `SiemensFtpClient` / `SiemensMachine : ICncMachine`
- `MitsubishiConnectionConfig` / `MitsubishiFtpClient` / `MitsubishiMachine : ICncMachine`
### Phase 4 — Wiring
- `CncMachineFactory` — creates right `ICncMachine` from `InputArgs`
- `InputArgs` — added `manufacturer`, `username`, `password` fields
- `Program.cs` — full rewrite using `ICncMachine`; Fanuc 3-file via `IFanucMachine` cast
### Phase 5 — NC Validator
- `ValidationSeverity` / `ValidationError` / `ValidationResult` model types
- `INcProgramValidator` + `NcProgramValidator` (5 universal + per-manufacturer rules)
- Validator injected into all 4 machine classes; upload blocked on Error severity
- `NcProgramValidatorTests` — 30+ NUnit tests
### Test Infrastructure
- `NcProgramManager.Tests/` — NUnit 3.13.3 + Moq 4.18.4, .NET 4.7.2
- `FtpServerStub` + `Lsv2ServerStub` — in-process TCP stubs
- Unit + integration tests; Fanuc FOCAS tests `[Ignore]`d (Windows-only DLL)
## What Was Built (v0.2 NcProgramManager — complete)
### Phase 06 — Rename Cleanup
- Namespace: `FanucProgramManager.*` → `NcProgramManager.*` (all files)
- Project renamed, test folder renamed, dead `FANUCMachine.cs` deleted
### Phase 07 — License Core
- `IMachineFingerprint` / `ILicenseValidator` interfaces
- `MachineFingerprint` — WMI CPU/BIOS fingerprint
- `LicenseFile.TryRead` — reads `.lic` file, returns base64 signature
- `LicenseValidator.Validate` — RSA-SHA256 verify
- `LicenseValidatorTests` — 6 unit tests (testable via internal ctor injection)
### Phase 08 — License Integration
- `Program.cs` — RSA check wired at startup; `checkLicense` deleted; `license.lic` next to EXE
- `InputArgs.cs` — `-chiave=` field removed
### Phase 09 — License Generator
- `LicenseGenerator` standalone console tool (separate repo: `ssh://git@3nt-git.duckdns.org:222/davide.trentin/license-generator.git`)
- Commands: `keygen` (RSA 2048-bit pair), `fingerprint` (WMI, Windows), `sign` (RSA-SHA256 → .lic)
- Real public key embedded in `Licensing/LicenseValidator.cs` (PLACEHOLDER removed)
- `private.key.xml` at `~/Documents/mine/c#/LicenseGenerator/` (gitignored — keep secure)
### Phase 10 — README Docs
- `README.md` in NcProgramManager root — Italian, operator-facing: CLI args, license setup, examples, controllers table
- `README.md` in LicenseGenerator repo — Italian, vendor-facing: keygen first-run, 4-step license issuance workflow, commands table, security
## CLI Args (current — all 16)
- `-azione=` — action (Scarica/Invia)
- `-manufacturer=fanuc|heidenhain|siemens|mitsubishi` (default: fanuc)
- `-ip=` — CNC IP (Ethernet)
- `-porta=` — port (Ethernet)
- `-tipo=` — connection type: 3=Ethernet, 2=HSSB (Fanuc legacy)
- `-nodo=` — HSSB node (Fanuc only)
- `-username=` (Heidenhain/Siemens/Mitsubishi)
- `-password=` (Heidenhain/Siemens/Mitsubishi)
- `-pathprogramma=` — local file path (required for Invia)
- `-path=` — CNC program path; default 1 = //CNC_MEM/USER/PATH1/
- `-workzero=` — include work zero offset
- `-tooloffset=` — include tool offset
- `-commento=` — program comment
- `-compatibility` — compatibility mode flag
- `-debug=` — keep terminal open after operation
- `-help` — show help and exit
- License: place `license.lic` next to EXE (no CLI arg)
## Accumulated Context
### Decisions
- .NET 4.7.2 locked — max compatibility
- RSA asymmetric offline licensing: private key vendor-only, public key embedded in binary
- `license.lic` always at `AppDomain.CurrentDomain.BaseDirectory` — no CLI override
- `RSACryptoServiceProvider` + `SHA256CryptoServiceProvider` (not HashAlgorithmName) — .NET 4.7.2 compat
- Constructor injection pattern: internal ctor accepts key XML — testable without Windows WMI
- LicenseGenerator: standalone separate repo — vendor tool, never shipped to customers
- Heidenhain: LSV2 port 19000, needs real hardware testing
- Siemens: FTP `/_N_MPF_DIR/`, needs Sinumerik FTP option enabled on machine
- `#` = Warning in Fanuc/Mitsubishi — macro variable indicator
### Deferred Issues
Formalized to `.paul/ISSUES.md` (2026-05-18) — 11 tracked issues (ISS-001 to ISS-011).
Key open items:
- ISS-001: MachineFingerprint null dereference — High, Quick fix
- ISS-002: Blocking .GetAwaiter().GetResult() — Medium, refactor
- ISS-003: Silent catch {} blocks — High, needs logging (ISS-004)
- ISS-004: No logging framework — Medium, Substantial effort
- ISS-008: MachineFingerprint untested on real Windows hardware — High
- ISS-009/010: Heidenhain/Siemens ReadActiveProgram not implemented — deferred
- `private.key.xml` owned by root (external repo) — run `sudo chown $USER ~/Documents/mine/c#/LicenseGenerator/private.key.xml`
### Blockers/Concerns
None — all milestones complete.
### Git State
Last commit: `bd17ea4` — feat(11-refactor): extract ArgParser, fix error handling, remove dead code
LicenseGenerator repo: commit `2ef68dd` — feat: initial LicenseGenerator
Branch: main (pushed)
## Codebase Mapped
Date: 2026-05-18
Documents: `.paul/codebase/` (7 files — STACK, ARCHITECTURE, STRUCTURE, CONVENTIONS, TESTING, INTEGRATIONS, CONCERNS)
## Session Continuity
Last session: 2026-05-18
Stopped at: v0.4 Robustness milestone created, ready to plan Phase 13
Next action: /paul:plan — Phase 13 (robustness-fixes): ISS-001, ISS-005, ISS-006
Resume file: .paul/ROADMAP.md
---
*STATE.md — Updated after every significant action*
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