05d2a7fd0056c879e5ab0a6b4a3d8d22d8d2f16c
3 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Joseph Doherty
|
95c7e0b490 |
Task #222 partial — unblock AB Legacy PCCC via cip-path workaround (5/5 stages)
Replaced the "ab_server PCCC upstream-broken" skip gate with the actual
root cause: libplctag's ab_server rejects empty CIP routing paths at the
unconnected-send layer before the PCCC dispatcher runs. Real SLC/
MicroLogix/PLC-5 hardware accepts empty paths (no backplane); ab_server
does not. With `/1,0` in place, N (Int16), F (Float32), and L (Int32)
file reads + writes round-trip cleanly across all three compose profiles.
## Fixture changes
- `AbLegacyServerFixture.cs`:
- Drop `AB_LEGACY_TRUST_WIRE` env var + the reachable-but-untrusted
skip branch. Fixture now only skips on TCP unreachability.
- Add `AB_LEGACY_CIP_PATH` env var (default `1,0`) + expose `CipPath`
property. Set `AB_LEGACY_CIP_PATH=` (empty) against real hardware.
- Shorter skip messages on the `[AbLegacyFact]` / `[AbLegacyTheory]`
attributes — one reason: endpoint not reachable.
- `AbLegacyReadSmokeTests.cs`:
- Device URI built from `sim.CipPath` instead of hardcoded empty path.
- New `AB_LEGACY_COMPOSE_PROFILE` env var filters the parametric
theory to the running container's family. Only one container binds
`:44818` at a time, so cross-family params would otherwise fail.
- `Slc500_write_then_read_round_trip` skips cleanly when the running
profile isn't `slc500`.
## E2E + seed + docs
- `scripts/e2e/test-ablegacy.ps1` — drop the `AB_LEGACY_TRUST_WIRE`
skip gate; synopsis calls out the `/1,0` vs empty cip-path split
between the Docker fixture and real hardware.
- `scripts/e2e/e2e-config.sample.json` — sample gateway flipped from
the hardware placeholder (`192.168.1.10`) to the Docker fixture
(`127.0.0.1/1,0`); comment rewritten.
- `scripts/e2e/README.md` — AB Legacy expected-matrix row goes from
SKIP to PASS.
- `scripts/smoke/seed-ablegacy-smoke.sql` — default HostAddress points
at the Docker fixture + header / footer text reflect the new state.
- `tests/.../Docker/README.md` — "Known limitations" section rewritten
to describe the cip-path gate (not a dispatcher gap); env-var table
picks up `AB_LEGACY_CIP_PATH` + `AB_LEGACY_COMPOSE_PROFILE`.
- `docs/drivers/AbLegacy-Test-Fixture.md` + `docs/drivers/README.md`
+ `docs/DriverClis.md` — flip status from blocked to functional;
residual bit-file-write gap (B3:0/5 → 0x803D0000) documented.
## Residual gap
Bit-file writes (`B3:0/5` style) surface `0x803D0000` against
`ab_server --plc=SLC500`; bit reads work. Non-blocking for smoke
coverage — N/F/L round-trip is enough. Real hardware / RSEmulate 500
for bit-write fidelity. Documented in `Docker/README.md` §"Known
limitations" + the `AbLegacy-Test-Fixture.md` follow-ups list.
## Verified
- Full-solution build: 0 errors, 334 pre-existing warnings.
- Integration suite passes per-profile with
`AB_LEGACY_COMPOSE_PROFILE=<slc500|micrologix|plc5>` + matching
compose container up.
- All four non-hardware e2e scripts (Modbus / AB CIP / AB Legacy / S7)
now 5/5 against the respective docker-compose fixtures.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
|
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|
Joseph Doherty
|
012c6a4e7a |
Task #224 close — AB Legacy PCCC fixture: add AB_LEGACY_TRUST_WIRE opt-in for wire-level runs
The ab_server Docker simulator accepts TCP at :44818 when started with
--plc=SLC500 but its PCCC dispatcher is a confirmed upstream gap
(verified 2026-04-21 with --debug=5: zero request logs when libplctag
issues a read, every read surfaces BadCommunicationError 0x80050000).
Previous behavior — when Docker was up, the three smoke tests ran and
all failed on every integration-host run. Noise, not signal.
New behavior — AbLegacyServerFixture gates on a new env var
AB_LEGACY_TRUST_WIRE:
Endpoint reachable? | TRUST_WIRE set? | Result
--------------------+-----------------+------------------------------
No | — | Skip ("not reachable")
Yes | No | Skip ("ab_server PCCC gap")
Yes | 1 / true | Run
The fixture's new skip reason explicitly names the upstream gap + the
resolution paths (upstream bug / RSEmulate golden-box / real hardware
via task #222 lab rig). Operators with a real SLC 5/05 / MicroLogix
1100/1400 / PLC-5 or an Emulate box set AB_LEGACY_ENDPOINT + TRUST_WIRE
and the smoke tests round-trip cleanly.
Updated docs:
- tests/.../Docker/README.md — new env-var table + three-case gate matrix
- Known limitations section refreshed to "confirmed upstream gap"
Verified locally:
- Docker down: 2 skipped.
- Docker up + TRUST_WIRE unset: 2 skipped (upstream-gap message).
- Docker up + TRUST_WIRE=1: 4 run, 4 fail BadCommunicationError (ab_server gap as expected).
- Unit suite: 96 passed / 0 failed (regression-clean).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
|
||
|
Joseph Doherty
|
a0cf7c5860 |
AB Legacy ab_server PCCC Docker fixture scaffold (#224) — Docker infrastructure + test-class shape in place; wire-level round-trip currently blocked by an ab_server-side PCCC coverage gap documented honestly in the fixture + coverage docs. Closes the Docker-infrastructure piece of #224; the remaining work is upstream (patch ab_server's PCCC server opcodes) or sideways (RSEmulate 500 golden-box tier, lab rig).
New project tests/ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.IntegrationTests/ with four pieces. AbLegacyServerFixture — TCP probe against localhost:44818 (or AB_LEGACY_ENDPOINT override), distinct from AB_SERVER_ENDPOINT so both CIP + PCCC containers can run simultaneously. Single-public-ctor to satisfy xunit collection-fixture constraint. AbLegacyServerProfile + KnownProfiles carry the per-family (SLC500 / MicroLogix / PLC-5) ComposeProfile + Notes; drives per-theory parameterisation. AbLegacyFactAttribute / AbLegacyTheoryAttribute match the AB CIP skip-attribute pattern. Docker/docker-compose.yml reuses the AB CIP otopcua-ab-server:libplctag-release image — `build:` block points at ../../AbCip.IntegrationTests/Docker context so `docker compose build` from here produces / reuses the same multi-stage build. Three compose profiles (slc500 / micrologix / plc5) with per-family `--plc` + `--tag=<file>[<size>]` flags matching the PCCC tag syntax (different from CIP's `Name:Type[size]`). AbLegacyReadSmokeTests — one parametric theory reading N7:0 across all three families + one SLC500 write-then-read on N7:5. Targets the shape the driver would use against real hardware. Verified 2026-04-20 against a live SLC500 container: TCP probe passes + container accepts connections + libplctag negotiates session, but read/write returns BadCommunicationError (libplctag status 0x80050000). Root-caused to ab_server's PCCC server-side opcode coverage being narrower than libplctag's PCCC client expects — not a driver-side bug, not a scaffold bug, just an ab_server upstream limitation. Documented honestly in Docker/README.md + AbLegacy-Test-Fixture.md rather than skipping the tests or weakening assertions; tests now skip cleanly when container is absent, fail with clear message when container is up but the protocol gap surfaces. Operator resolves by filing an ab_server upstream patch, pointing AB_LEGACY_ENDPOINT at real hardware, or scaffolding an RSEmulate 500 golden-box tier. Docker/README.md — Known limitations section leads with the PCCC round-trip gap (test date, failure signature, possible root causes, three resolution paths) before the pre-existing limitations (T/C file decomposition, ST file quirks, indirect addressing, DF1 serial). Reader can't miss the "scaffolded but blocked on upstream" framing. docs/drivers/AbLegacy-Test-Fixture.md — TL;DR flipped from "no integration fixture" to "Docker scaffold in place; wire-level round-trip currently blocked by ab_server PCCC gap". What-the-fixture-is gains an Integration section. Follow-up candidates rewritten: #1 is now "fix ab_server PCCC upstream", #2 is RSEmulate 500 golden-box (with cost callouts matching our existing Logix Emulate + TwinCAT XAR scaffolds — license + Hyper-V conflict + binary project format), #3 is lab rig. Key-files list adds the four new files. docs/drivers/README.md coverage-map row updated from "no integration fixture" to "Docker scaffold via ab_server PCCC; wire-level round-trip currently blocked, docs call out resolution paths". Solution file picks up the new tests/.../AbLegacy.IntegrationTests entry. AbLegacyDataType.Int used throughout (not Int16 — the enum uses SLC file-type naming). Build 0 errors; 2 smoke tests skip cleanly without container + fail with clear errors when container up (proving the infrastructure works end-to-end + the gap is specifically the ab_server protocol coverage, not the scaffold). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |