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dohertj2 74067e7d7e Merge pull request (#147) - OTel Prometheus exporter
2026-04-20 00:43:15 -04:00
ci
Pin libplctag ab_server to v2.6.16 — real release tag + SHA256 hashes for all three Windows arches. Closes the "pick a current version + pin" deferral left by the #180 PR docs stub. Verified the release lands ab_server.exe inside libplctag_2.6.16_windows_<arch>_tools.zip alongside plctag.dll + list_tags_* helpers by downloading each tools zip + unzip -l'ing to confirm ab_server.exe is present at 331264 bytes. New ci/ab-server.lock.json is the single source of truth — one file the CI YAML reads via ConvertFrom-Json instead of duplicating the hash across the workflow + the docs. Structure: repo (libplctag/libplctag) + tag (v2.6.16) + published date (2026-03-29) + assets keyed by platform (windows-x64 / windows-x86 / windows-arm64) each carrying filename + sha256. docs/v2/test-data-sources.md §2.CI updated — replaces the prior placeholder (ver = '<pinned libplctag release tag>', expected = '<pinned sha256>') with the real v2.6.16 + 9b78a3de... hashes pinned table, and replaces the hardcoded URL with a lockfile-driven pwsh step that picks windows-x64 by default but swaps to x86/arm64 by changing one line for non-x64 CI runners. Hash-mismatch path throws with both the expected + actual values so on the first drift the CI log tells the maintainer exactly what to update in the lockfile. Two verification notes from the release fetch: (1) libplctag v2.6.16 tools zips ship ab_server.exe + plctag.dll together — tests don't need a separate libplctag NuGet download for the integration path, the extracted tools dir covers both the simulator + the driver's native dependency; (2) the three Windows arches all carry ab_server.exe, so ARM64 Windows GitHub runners (when they arrive) can run the integration suite without changes beyond swapping the asset key. No code changes in this PR — purely docs + the new lockfile. Admin tests + Core tests unchanged + passing per the prior commit.
2026-04-20 00:04:35 -04:00
docs
Pin libplctag ab_server to v2.6.16 — real release tag + SHA256 hashes for all three Windows arches. Closes the "pick a current version + pin" deferral left by the #180 PR docs stub. Verified the release lands ab_server.exe inside libplctag_2.6.16_windows_<arch>_tools.zip alongside plctag.dll + list_tags_* helpers by downloading each tools zip + unzip -l'ing to confirm ab_server.exe is present at 331264 bytes. New ci/ab-server.lock.json is the single source of truth — one file the CI YAML reads via ConvertFrom-Json instead of duplicating the hash across the workflow + the docs. Structure: repo (libplctag/libplctag) + tag (v2.6.16) + published date (2026-03-29) + assets keyed by platform (windows-x64 / windows-x86 / windows-arm64) each carrying filename + sha256. docs/v2/test-data-sources.md §2.CI updated — replaces the prior placeholder (ver = '<pinned libplctag release tag>', expected = '<pinned sha256>') with the real v2.6.16 + 9b78a3de... hashes pinned table, and replaces the hardcoded URL with a lockfile-driven pwsh step that picks windows-x64 by default but swaps to x86/arm64 by changing one line for non-x64 CI runners. Hash-mismatch path throws with both the expected + actual values so on the first drift the CI log tells the maintainer exactly what to update in the lockfile. Two verification notes from the release fetch: (1) libplctag v2.6.16 tools zips ship ab_server.exe + plctag.dll together — tests don't need a separate libplctag NuGet download for the integration path, the extracted tools dir covers both the simulator + the driver's native dependency; (2) the three Windows arches all carry ab_server.exe, so ARM64 Windows GitHub runners (when they arrive) can run the integration suite without changes beyond swapping the asset key. No code changes in this PR — purely docs + the new lockfile. Admin tests + Core tests unchanged + passing per the prior commit.
2026-04-20 00:04:35 -04:00
gr
Track Galaxy Platform and AppEngine runtime state via ScanState probes and proactively invalidate descendant variable quality on Stopped transitions so operators can detect a stopped runtime host before downstream clients read stale data and so the bridge delivers a uniform bad-quality signal instead of relying on MxAccess per-tag fan-out
2026-04-13 15:40:44 -04:00
lib
Migrate historian from SQL to aahClientManaged SDK and resolve all OPC UA Part 11 gaps
2026-04-06 16:38:00 -04:00
scripts
v2 release-readiness capstone — aggregate compliance runner + release-readiness dashboard
2026-04-19 10:32:21 -04:00
src
OTel Prometheus exporter wiring — RedundancyMetrics meter now scraped at /metrics. Closes task #201. Picked Prometheus over OTLP per the earlier recommendation (pull-based means no OTel Collector deployment required for the common K8s/containers case; the endpoint ASP.NET-hosts inside the Admin app already, so one less moving part). Adds two NuGet refs to the Admin csproj: OpenTelemetry.Extensions.Hosting 1.15.2 (stable) + OpenTelemetry.Exporter.Prometheus.AspNetCore 1.15.2-beta.1 (the exporter has historically been beta-only; rest of the OTel ecosystem treats it as production-acceptable + it's what the upstream OTel docs themselves recommend for AspNetCore hosts). Program.cs gains a Metrics:Prometheus:Enabled toggle (defaults true; setting to false disables both the MeterProvider registration + the scrape endpoint entirely for locked-down deployments). When enabled, AddOpenTelemetry().WithMetrics() registers a MeterProvider that subscribes to the "ZB.MOM.WW.OtOpcUa.Redundancy" meter (the exact MeterName constant on RedundancyMetrics) + wires AddPrometheusExporter. MapPrometheusScrapingEndpoint() appends a /metrics handler producing the Prometheus text-format output; deliberately NOT authenticated because scrape jobs typically run on a trusted network + operators who need auth wrap the endpoint behind a reverse-proxy basic-auth gate per fleet-ops convention. appsettings.json declares the toggle with Enabled: true so the default deploy gets metrics automatically — turning off is the explicit action. Future meters (resilience tracker + host status + auth probe) just AddMeter("Name") alongside the existing call to start flowing through the same endpoint without more infrastructure. Admin project builds 0 errors; Admin.Tests 92/92 passing (unchanged — the OTel pipeline runs at request time, not test time). Still-pending work that was NOT part of #201's scope: an equivalent setup for the Server project (different MeterNames — the Polly pipeline builder's tracker + host-status publisher) + a metrics cheat-sheet in docs/observability.md documenting each meter's tag set + expected alerting thresholds. Those are natural follow-ups when fleet-ops starts building dashboards.
2026-04-20 00:41:16 -04:00
tests
AclsTab Probe-this-permission — first of three #196 slices. New /clusters/{ClusterId}/draft/{GenerationId} ACLs-tab gains a probe card above the grant table so operators can ask the trie "if cn=X asks for permission Y on node Z, would it be granted, and which rows contributed?" without shell-ing into the DB. Service thinly wraps the same PermissionTrieBuilder + PermissionTrie.CollectMatches call path the Server's dispatch layer uses at request time, so a probe answer is by construction identical to what the live server would decide. New PermissionProbeService.ProbeAsync(generationId, ldapGroup, NodeScope, requiredFlags) — loads the target generation's NodeAcl rows filtered to the cluster (critical: without the cluster filter, cross-cluster grants leak into the probe which tested false-positive in the unit suite), builds a trie, CollectMatches against the supplied scope + [ldapGroup], ORs the matched-grant flags into Effective, compares to Required. Returns PermissionProbeResult(Granted, Required, Effective, Matches) — Matches carries LdapGroup + Scope + PermissionFlags per matched row so the UI can render the contribution chain. Zero side effects + no audit rows — a failing probe is a question, not a denial. AclsTab.razor gains the probe card at the top (before the New-grant form + grant table): six inputs for ldap group + every NodeScope level (NamespaceId → UnsAreaId → UnsLineId → EquipmentId → TagId — blank fields become null so the trie walks only as deep as the operator specified), a NodePermissions dropdown filtered to skip None, Probe button, green Granted / red Denied badge + Required/Effective bitmask display, and (when matches exist) a small table showing which LdapGroup matched at which level with which flags. Admin csproj adds ProjectReference to Core — the trie + NodeScope live there + were previously Server-only. Five new PermissionProbeServiceTests covering: cluster-level row grants a namespace-level read; no-group-match denies with empty Effective; matching group but insufficient flags (Browse+Read vs WriteOperate required) denies with correct Effective bitmask; cross-cluster grants stay isolated (c2's WriteOperate does NOT leak into c1's probe); generation isolation (gen1's Read-only does NOT let gen2's WriteOperate-requiring probe pass). Admin.Tests 92/92 passing (was 87, +5). Admin builds 0 errors. Remaining #196 slices — SignalR invalidation + draft-diff ACL section — ship in follow-up PRs so the review surface per PR stays tight.
2026-04-20 00:28:17 -04:00
_p54.json
Phase 3 PR 56 -- Siemens S7-1500 pymodbus profile + smoke integration test. Adds tests/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/Pymodbus/s7_1500.json modelling the SIMATIC S7-1500 + MB_SERVER default deployment documented in docs/v2/s7.md: DB1.DBW0 = 0xABCD fingerprint marker (operators reserve this so clients can verify they're talking to the right DB), scratch HR range 200..209 for write-roundtrip tests mirroring dl205.json + standard.json, Float32 1.5f at HR[100..101] in ABCD word order (high word first -- OPPOSITE of DL260 CDAB), Int32 0x12345678 at HR[300..301] in ABCD. Also seeds a coil at bit-addr 400 (= cell 25 bit 0) and a discrete input at bit-addr 500 (= cell 31 bit 0) so future S7-specific tests for FC01/FC02 have stable markers. shared blocks=true to match the proven dl205.json pattern (pymodbus's bits/uint16 cells coexist cleanly when addresses don't collide). Write list references cells (0, 25, 100-101, 200-209, 300-301), not bit addresses -- pymodbus's write-range entries are cell-indexed, not bit-indexed. Adds tests/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/S7/ directory with S7_1500Profile.cs (mirrors DL205Profile pattern: SmokeHoldingRegister=200, SmokeHoldingValue=4321, BuildOptions tags + probe-disabled + 2s timeout) and S7_1500SmokeTests.cs (single fact S7_1500_roundtrip_write_then_read_of_holding_register that writes SmokeHoldingValue then reads it back, asserting both write status 0 and read status 0 + value equality). Gates on MODBUS_SIM_PROFILE=s7_1500 so the test skips cleanly against other profiles. csproj updated to copy S7/** to test output as PreserveNewest (pattern matching DL205/**). Pymodbus/serve.ps1 ValidateSet extended from {standard,dl205} to {standard,dl205,s7_1500,mitsubishi} -- mitsubishi.json lands in PR 58 but the validator slot is claimed now so the serve.ps1 diff is one line in this PR and zero lines in future PRs. Verified end-to-end: smoke test 1/1 passes against the running pymodbus s7_1500 profile (localhost:5020 FC06 write of 4321 at HR[200] + FC03 read back). 143/143 Modbus.Tests pass, no regression in driver code because this PR is purely test-asset. Per-quirk S7 integration tests (ABCD word order default, FC23 IllegalFunction, MB_SERVER STATUS 0x8383 behaviour, port-per-connection semantics) land in PR 57+.
2026-04-18 22:57:03 -04:00
_p55.json
Phase 3 PR 56 -- Siemens S7-1500 pymodbus profile + smoke integration test. Adds tests/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/Pymodbus/s7_1500.json modelling the SIMATIC S7-1500 + MB_SERVER default deployment documented in docs/v2/s7.md: DB1.DBW0 = 0xABCD fingerprint marker (operators reserve this so clients can verify they're talking to the right DB), scratch HR range 200..209 for write-roundtrip tests mirroring dl205.json + standard.json, Float32 1.5f at HR[100..101] in ABCD word order (high word first -- OPPOSITE of DL260 CDAB), Int32 0x12345678 at HR[300..301] in ABCD. Also seeds a coil at bit-addr 400 (= cell 25 bit 0) and a discrete input at bit-addr 500 (= cell 31 bit 0) so future S7-specific tests for FC01/FC02 have stable markers. shared blocks=true to match the proven dl205.json pattern (pymodbus's bits/uint16 cells coexist cleanly when addresses don't collide). Write list references cells (0, 25, 100-101, 200-209, 300-301), not bit addresses -- pymodbus's write-range entries are cell-indexed, not bit-indexed. Adds tests/ZB.MOM.WW.OtOpcUa.Driver.Modbus.IntegrationTests/S7/ directory with S7_1500Profile.cs (mirrors DL205Profile pattern: SmokeHoldingRegister=200, SmokeHoldingValue=4321, BuildOptions tags + probe-disabled + 2s timeout) and S7_1500SmokeTests.cs (single fact S7_1500_roundtrip_write_then_read_of_holding_register that writes SmokeHoldingValue then reads it back, asserting both write status 0 and read status 0 + value equality). Gates on MODBUS_SIM_PROFILE=s7_1500 so the test skips cleanly against other profiles. csproj updated to copy S7/** to test output as PreserveNewest (pattern matching DL205/**). Pymodbus/serve.ps1 ValidateSet extended from {standard,dl205} to {standard,dl205,s7_1500,mitsubishi} -- mitsubishi.json lands in PR 58 but the validator slot is claimed now so the serve.ps1 diff is one line in this PR and zero lines in future PRs. Verified end-to-end: smoke test 1/1 passes against the running pymodbus s7_1500 profile (localhost:5020 FC06 write of 4321 at HR[200] + FC03 read back). 143/143 Modbus.Tests pass, no regression in driver code because this PR is purely test-asset. Per-quirk S7 integration tests (ABCD word order default, FC23 IllegalFunction, MB_SERVER STATUS 0x8383 behaviour, port-per-connection semantics) land in PR 57+.
2026-04-18 22:57:03 -04:00
.gitignore
Gitignore .local/ directory for dev-only secrets like the Galaxy.Host shared secret. Created during the PR 38 / install-services workflow to keep per-install secrets out of the repo.
2026-04-18 19:15:13 -04:00
CLAUDE.md
Phase 0 — mechanical rename ZB.MOM.WW.LmxOpcUa.* → ZB.MOM.WW.OtOpcUa.*
2026-04-17 13:57:47 -04:00
export-clean-copy.bat
Add clean export script for distributing repo without git history
2026-04-01 03:31:25 -04:00
mxaccess_documentation.md
Implement LmxOpcUa server — all 6 phases complete
2026-03-25 05:55:27 -04:00
README.md
Extract historian into a runtime-loaded plugin so hosts without the Wonderware SDK can run with Historian.Enabled=false
2026-04-12 15:16:07 -04:00
runtimestatus.md
Track Galaxy Platform and AppEngine runtime state via ScanState probes and proactively invalidate descendant variable quality on Stopped transitions so operators can detect a stopped runtime host before downstream clients read stale data and so the bridge delivers a uniform bad-quality signal instead of relying on MxAccess per-tag fan-out
2026-04-13 15:40:44 -04:00
service_info.md
Add Galaxy platform scope filter so multi-node deployments can restrict the OPC UA address space to only objects hosted by the local platform, reducing memory footprint and MXAccess subscription count from the full Galaxy (49 objects / 4206 attributes) down to the local subtree (3 objects / 386 attributes on the dev Galaxy).
2026-04-16 00:39:11 -04:00
session.dat
Implement LmxOpcUa server — all 6 phases complete
2026-03-25 05:55:27 -04:00
StyleGuide.md
Extract historian into a runtime-loaded plugin so hosts without the Wonderware SDK can run with Historian.Enabled=false
2026-04-12 15:16:07 -04:00
ZB.MOM.WW.OtOpcUa.slnx
FOCAS PR 1 — Scaffolding + Core (FocasDriver skeleton + address parser + stub client). New Driver.FOCAS project for Fanuc CNC controllers (FS 0i/16i/18i/21i/30i/31i/32i/Series 35i/Power Mate i) talking via the Fanuc FOCAS/2 protocol. No NuGet reference to a FOCAS library — FWLIB (Fwlib32.dll) is Fanuc-proprietary + per-customer licensed + cannot be legally redistributed, so the driver is designed from the start to accept an IFocasClient supplied by the deployment side. Default IFocasClientFactory is UnimplementedFocasClientFactory which throws with a clear deployment-docs pointer at Create time so misconfigured servers fail fast rather than mysteriously hanging. Matches the pattern other drivers use for swappable wire layers (Modbus IModbusTransport, AbCip IAbCipTagFactory, TwinCAT ITwinCATClientFactory) — but uniquely, FOCAS ships without a production factory because of licensing. FocasHostAddress parses focas://{host}[:{port}] canonical form with default port 8193 (Fanuc-reserved FOCAS Ethernet port). Default-port stripping on ToString for roundtrip stability. Case-insensitive scheme. Rejects wrong scheme, empty body, invalid port, non-numeric port. FocasAddress handles the three addressing spaces a FOCAS driver touches — PMC (letter + byte + optional bit, X/Y for IO, F/G for PMC-CNC signals, R for internal relay, D for data table, C for counter, K for keep relay, A for message display, E for extended relay, T for timer, with .N bit syntax 0-7), CNC parameters (PARAM:n for a parameter number, PARAM:n/N for bit 0-31 of a parameter), macro variables (MACRO:n). Rejects unknown PMC letters, negative numbers, out-of-range bits (PMC 0-7, parameter 0-31), non-numeric fragments. FocasDataType — Bit / Byte / Int16 / Int32 / Float32 / Float64 / String covering the atomic types PMC reads + CNC parameters + macro variables return. ToDriverDataType widens to the Int32/Float32/Float64/Boolean/String surface. FocasStatusMapper covers the FWLIB EW_* return-code family documented in the FOCAS/1 + FOCAS/2 references — EW_OK=0, EW_FUNC=1 → BadNotSupported, EW_OVRFLOW=2/EW_NUMBER=3/EW_LENGTH=4 → BadOutOfRange, EW_PROT=5/EW_PASSWD=11 → BadNotWritable, EW_NOOPT=6/EW_VERSION=-9 → BadNotSupported, EW_ATTRIB=7 → BadTypeMismatch, EW_DATA=8 → BadNodeIdUnknown, EW_PARITY=9 → BadCommunicationError, EW_BUSY=-1 → BadDeviceFailure, EW_HANDLE=-8 → BadInternalError, EW_UNEXP=-10/EW_SOCKET=-16 → BadCommunicationError. IFocasClient + IFocasClientFactory abstraction — ConnectAsync, IsConnected, ReadAsync returning (value, status) tuple, WriteAsync returning status, ProbeAsync for IHostConnectivityProbe. Deployment supplies the real factory; driver assembly stays licence-clean. FocasDriverOptions + FocasDeviceOptions + FocasTagDefinition + FocasProbeOptions — one instance supports N CNCs, tags cross-key by HostAddress + use canonical FocasAddress strings. FocasDriver implements IDriver only (PRs 2-3 add read/write/discover/subscribe/probe/resolver). InitializeAsync parses each device HostAddress + fails fast on malformed strings → Faulted health. 65 new unit tests in FocasScaffoldingTests covering — 5 valid host forms + 8 invalid + default-port-strip ToString, 12 valid PMC addresses across all 11 canonical letters + 3 parameter forms with + without bit + 2 macro forms, 10 invalid address shapes, canonical roundtrip theory, data-type mapping theory, FWLIB EW_* status mapping theory (9 codes + unknown → generic), DriverType, multi-device Initialize + address parsing, malformed-address fault, shutdown, default factory throws NotSupportedException with deployment pointer + Fwlib32.dll mention. Total project count 31 src + 20 tests; full solution builds 0 errors. Other drivers untouched.
2026-04-19 19:47:52 -04:00

README.md

LmxOpcUa

OPC UA server and cross-platform client tools for AVEVA System Platform (Wonderware) Galaxy. The server exposes Galaxy tags via MXAccess as an OPC UA address space. The client stack provides a shared library, CLI tool, and Avalonia desktop application for browsing, reading/writing, subscriptions, alarms, and historical data.

Architecture

                                    OPC UA Clients
                              (CLI, Desktop UI, 3rd-party)
                                         |
                                         v
+-----------------+     +------------------+     +-----------------+
| Galaxy Repo DB  |---->|   OPC UA Server  |<--->| MXAccess Client |
|   (SQL Server)  |     | (address space)  |     | (STA + COM)     |
+-----------------+     +------------------+     +-----------------+
                                |                        |
                        +-------+--------+     +---------+---------+
                        | Status Dashboard|     | Historian Runtime |
                        |  (HTTP/JSON)   |     |   (SQL Server)    |
                        +----------------+     +-------------------+

Contained Name vs Tag Name

Browse Path (contained names) Runtime Reference (tag name)
TestMachine_001/DelmiaReceiver/DownloadPath DelmiaReceiver_001.DownloadPath
TestMachine_001/MESReceiver/MoveInBatchID MESReceiver_001.MoveInBatchID

Server

The OPC UA server runs on .NET Framework 4.8 (x86) and bridges the Galaxy runtime to OPC UA clients.

Server Prerequisites

  • .NET Framework 4.8 SDK
  • AVEVA System Platform with ArchestrA Framework installed
  • Galaxy repository database (SQL Server, Windows Auth)
  • MXAccess COM registered (LMXProxy.LMXProxyServer)
  • Wonderware Historian (optional, for historical data access)
  • Windows (required for COM interop and MXAccess)

Build and Run Server

dotnet restore ZB.MOM.WW.LmxOpcUa.slnx
dotnet build src/ZB.MOM.WW.LmxOpcUa.Host
dotnet run --project src/ZB.MOM.WW.LmxOpcUa.Host

The server starts on opc.tcp://localhost:4840/LmxOpcUa with the None security profile by default. Configure Security.Profiles in appsettings.json to enable Basic256Sha256-Sign or Basic256Sha256-SignAndEncrypt for transport security. See Security Guide.

Install as Windows Service

cd src/ZB.MOM.WW.LmxOpcUa.Host/bin/Debug/net48
ZB.MOM.WW.LmxOpcUa.Host.exe install
ZB.MOM.WW.LmxOpcUa.Host.exe start

Service logon requirement: The service must run under a Windows account that has access to the AVEVA Galaxy and Historian. The default LocalSystem account can connect to MXAccess and SQL Server but cannot authenticate with the Historian SDK (HCAP). Configure the service to "Log on as" a domain or local user that is a recognized ArchestrA platform user. This can be set in services.msc or during install with ZB.MOM.WW.LmxOpcUa.Host.exe install -username DOMAIN\user -password ***.

Run Server Tests

dotnet test tests/ZB.MOM.WW.LmxOpcUa.Tests
dotnet test tests/ZB.MOM.WW.LmxOpcUa.IntegrationTests

Client Stack

The client stack is cross-platform (.NET 10) and consists of three projects sharing a common IOpcUaClientService abstraction. No AVEVA software or COM is required — the clients connect to any OPC UA server.

Client Prerequisites

  • .NET 10 SDK
  • No platform-specific dependencies (runs on Windows, macOS, Linux)

Build All Clients

dotnet build src/ZB.MOM.WW.LmxOpcUa.Client.Shared
dotnet build src/ZB.MOM.WW.LmxOpcUa.Client.CLI
dotnet build src/ZB.MOM.WW.LmxOpcUa.Client.UI

Run Client Tests

dotnet test tests/ZB.MOM.WW.LmxOpcUa.Client.Shared.Tests
dotnet test tests/ZB.MOM.WW.LmxOpcUa.Client.CLI.Tests
dotnet test tests/ZB.MOM.WW.LmxOpcUa.Client.UI.Tests

Client CLI

# Connect
dotnet run --project src/ZB.MOM.WW.LmxOpcUa.Client.CLI -- connect -u opc.tcp://localhost:4840/LmxOpcUa

# Browse Galaxy hierarchy
dotnet run --project src/ZB.MOM.WW.LmxOpcUa.Client.CLI -- browse -u opc.tcp://localhost:4840/LmxOpcUa -n "ns=3;s=ZB" -r -d 5

# Read a tag
dotnet run --project src/ZB.MOM.WW.LmxOpcUa.Client.CLI -- read -u opc.tcp://localhost:4840/LmxOpcUa -n "ns=3;s=TestMachine_001.MachineID"

# Write a tag
dotnet run --project src/ZB.MOM.WW.LmxOpcUa.Client.CLI -- write -u opc.tcp://localhost:4840/LmxOpcUa -n "ns=3;s=TestChildObject.TestString" -v "Hello"

# Subscribe to changes
dotnet run --project src/ZB.MOM.WW.LmxOpcUa.Client.CLI -- subscribe -u opc.tcp://localhost:4840/LmxOpcUa -n "ns=3;s=TestChildObject.TestInt" -i 500

# Read historical data
dotnet run --project src/ZB.MOM.WW.LmxOpcUa.Client.CLI -- historyread -u opc.tcp://localhost:4840/LmxOpcUa -n "ns=3;s=TestMachine_001.TestHistoryValue" --start "2026-03-25" --end "2026-03-30"

# Subscribe to alarm events
dotnet run --project src/ZB.MOM.WW.LmxOpcUa.Client.CLI -- alarms -u opc.tcp://localhost:4840/LmxOpcUa -n "ns=3;s=TestMachine_001" --refresh

# Query redundancy state
dotnet run --project src/ZB.MOM.WW.LmxOpcUa.Client.CLI -- redundancy -u opc.tcp://localhost:4840/LmxOpcUa

Client UI

dotnet run --project src/ZB.MOM.WW.LmxOpcUa.Client.UI

The desktop application provides browse tree, subscriptions, alarm monitoring, history reads, and write dialogs. See Client UI Documentation for details.

Project Structure

src/
    ZB.MOM.WW.LmxOpcUa.Host/           OPC UA server (.NET Framework 4.8, x86)
        Configuration/                   Config binding and validation
        Domain/                          Interfaces, DTOs, enums, mappers
        Historian/                       Wonderware Historian data source
        Metrics/                         Performance tracking (rolling P95)
        MxAccess/                        STA thread, COM interop, subscriptions
        GalaxyRepository/                SQL queries, change detection
        OpcUa/                           Server, node manager, address space, alarms, diff
        Status/                          HTTP dashboard, health checks

    ZB.MOM.WW.LmxOpcUa.Client.Shared/   Shared OPC UA client library (.NET 10)
    ZB.MOM.WW.LmxOpcUa.Client.CLI/      Command-line client (.NET 10)
    ZB.MOM.WW.LmxOpcUa.Client.UI/       Avalonia desktop client (.NET 10)

tests/
    ZB.MOM.WW.LmxOpcUa.Tests/           Server unit + integration tests
    ZB.MOM.WW.LmxOpcUa.IntegrationTests/ Server integration tests (live DB)
    ZB.MOM.WW.LmxOpcUa.Client.Shared.Tests/  Shared library tests
    ZB.MOM.WW.LmxOpcUa.Client.CLI.Tests/     CLI command tests
    ZB.MOM.WW.LmxOpcUa.Client.UI.Tests/      UI ViewModel + headless tests

gr/                                      Galaxy repository docs, SQL queries, schema

Documentation

Server

Component Description
OPC UA Server Endpoint, sessions, security policy, server lifecycle
Address Space Hierarchy nodes, variable nodes, primitive grouping, NodeId scheme
Galaxy Repository SQL queries, deployed package chain, change detection
MXAccess Bridge STA thread, COM interop, subscriptions, reconnection
Data Type Mapping Galaxy to OPC UA types, arrays, security classification
Read/Write Operations Value reads, writes, access level enforcement, array element writes
Subscriptions Ref-counted MXAccess subscriptions, data change dispatch
Alarm Tracking AlarmConditionState nodes, InAlarm monitoring, event reporting
Historical Data Access Historian data source, HistoryReadRaw, HistoryReadProcessed
Incremental Sync Diff computation, subtree teardown/rebuild, subscription preservation
Configuration appsettings.json binding, feature flags, validation
Status Dashboard HTTP server, health checks, metrics reporting
Service Hosting TopShelf, startup/shutdown sequence, error handling
Security Transport security profiles, certificate trust, production hardening
Redundancy Non-transparent warm/hot redundancy, ServiceLevel, paired deployment

Client

Component Description
Client CLI Connect, browse, read, write, subscribe, historyread, alarms, redundancy commands
Client UI Avalonia desktop client: browse, subscribe, alarms, history, write values

Reference

License

Internal use only.

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