9bcfffb365facfe39d8e96ede30e2ce57af7bcc0
36 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
 Joseph Doherty
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57b9506d01 |
M3 R3.1: OpenStorageConnection is a dead end (error 85); precondition is front-door RegisterTags
Live-probed StorageService.OpenStorageConnection against the 2023 R2 server over a
write-enabled (0x401) session. Every attempt — sweeping ConnectionMode (0x401/0x402/0x1),
StorageSessionId-in (Open2-GUID / empty), and FreeDiskSpace — returns the IDENTICAL native
error type=4 code=85 ("session not registered"), so it's a structural refusal, not a bad
field value.
Decode (two corroborating facts):
- Error 85 is the same code the event read returns before RegisterTags2 (see
HistorianWcfEventOrchestrator) — a generic "session not registered for this op".
- The 2023 R2 decompile shows OpenStorageConnection lives on a SEPARATE GrpcStorageClient
(the storage engine's SF/snapshot channel, own port + service identity); HistorianAccess
drives non-streamed writes through the native C++ HistorianClient, never this op.
So the roadmap's mapped "missing console session" step was wrong. The real non-streamed-write
precondition is the front-door HistoryService.RegisterTags (RTag2-family) for the target tag —
which is exactly why the R3.1 batch failed at AddNonStreamValues (no tag registered ->
StoreNonStreamValues had no route). Matches the original 2020-WCF D2 hypothesis.
Remaining (both need a native gRPC capture; do not guess bytes): the regular-tag RegisterTags
btTagInfos (only CM_EVENT's tag-GUID form is known) and the AddNonStreamValues btInput.
- HistorianGrpcStorageConnectionProbe + grpc-open-storage-connection CLI (opens nothing
persistent; CloseStorageConnection on success)
- corrected revision-write-path.md §R3.1 follow-up + hcal-roadmap R3.1/R3.2 rows
- gated regression test pinning the error-85 refusal
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC
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Joseph Doherty
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23798db1ef |
M3 probe: non-streamed write transaction reachable over 2023 R2 gRPC (Begin/End live-verified)
The D2 storage-engine-pipe wall is WCF-transport-specific. On the 2023 R2 gRPC front door, TransactionService is a first-class service AND the gateway to the storage engine, so the Open2 storage-session GUID (uppercase) is accepted directly as strHandle with no legacy pipe. Live-verified against the real 2023 R2 server over a write-enabled (0x401) gRPC session: AddNonStreamValuesBegin returns a real strTransactionId, and AddNonStreamValuesEnd(bCommit=false) discards it cleanly (no data written). On 2020 WCF the same op returns UnknownClient(51) for every handle + priming chain. - HistorianGrpcRevisionProbe + grpc-revision-probe CLI command + gated test NonStreamedWriteTransaction_OverGrpc_BeginsAndDiscards (live pass). - HistorianGrpcHandshake.OpenSession gains an optional connectionMode param (default read-only 0x402; pass 0x401 for write-enabled) — non-breaking. - Docs: revision-write-path.md "the wall is gone" section; roadmap M3 section, R3.1-R3.3 rows, one-glance table, and status note updated honestly. Not yet shipped: the AddNonStreamValues btInput VTQ buffer is uncaptured (never guess wire bytes), so no value-commit is implemented. Scope is non-streamed ORIGINAL backfill; revision EDITS (R4.2) remain pipe-only even on gRPC. 272 unit tests pass; sanitization scan clean. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC |
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Joseph Doherty
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04ea0b9a1f |
R1.3 GetServerTimeZoneAsync over gRPC (live-verified); R1.4 bounded out on gRPC
Live-probed both R1.3 and R1.4 against a real 2023 R2 server over the gRPC StatusService; implemented the one that carries an evidence-backed value. R1.3 GetServerTimeZoneAsync — SHIPPED: - StatusService.GetSystemTimeZoneName(uiHandle) returns the real server zone over RemoteGrpc (the 2020 WCF op is a client-side stub returning empty). - HistorianGrpcStatusClient.GetSystemTimeZoneNameAsync -> dialect routing -> public HistorianClient.GetServerTimeZoneAsync. Non-gRPC transports fail closed with ProtocolEvidenceMissingException (no empty-string lie). - Golden message-shape unit test + non-gRPC guardrail unit test + gated live test. 271 unit tests pass. R1.4 GetHistorianInfoAsync (EventStorageMode) — bounded out on gRPC too: - gRPC GetHistorianInfo is the same named-value query as 2020 WCF (only HistorianVersion resolves); EventStorageMode + 7 variants fail on both GetHistorianInfo and GetSystemParameter. The 518-byte struct is filled by a native vtable+648 HCAL call, not the gRPC op (per the 2023 R2 decompile), so the field is never on the wire. Not shipped on any transport. Closes the roadmap's open "build against a live 2023 R2 server" caveat. Also correct the stale M3 roadmap section: D2 already proved Transaction.AddNonStreamValues* rides the storage-engine pipe (STransactPipeClient2 -> aaStorageEngine), not WCF — same wall as R4.2 — so M3-over-WCF is blocked, not "the path that is NOT the gated cache push". Docs: hcal-roadmap.md, wcf-historian-info.md, wcf-status-localhost.md. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC |
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Joseph Doherty
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25aff409dc | Merge re/grpc-2023r2-handshake: M0 gRPC parity (probe/system-param/metadata/browse) + handshake fix | ||
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Joseph Doherty
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d23722ea73 |
Merge re/r1.10-rename-tags: RenameTagsAsync via History StartJob
# Conflicts: # docs/plans/hcal-capability-matrix.md # docs/plans/hcal-roadmap.md # src/AVEVA.Historian.Client/Wcf/HistorianWcfTagWriteOrchestrator.cs # tests/AVEVA.Historian.Client.Tests/HistorianClientIntegrationTests.cs # tools/AVEVA.Historian.NativeTraceHarness/Program.cs |
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Joseph Doherty
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4de222c950 |
Merge re/r1.4-gethi-finding: R1.1 ExecuteSqlCommand + R1.4 GetHistorianInfo (bounded)
# Conflicts: # docs/plans/hcal-roadmap.md # src/AVEVA.Historian.Client/HistorianClient.cs # src/AVEVA.Historian.Client/Protocol/Historian2020ProtocolDialect.cs # tests/AVEVA.Historian.Client.Tests/HistorianClientIntegrationTests.cs # tools/AVEVA.Historian.NativeTraceHarness/Program.cs |
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Joseph Doherty
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85ff1b48df |
R0.1 browse over gRPC SHIPPED — QueryTag cracked, M0 gRPC parity complete
Wires HistorianClient.BrowseTagNamesAsync over gRPC (Transport==RemoteGrpc) via
Grpc/HistorianGrpcTagClient.BrowseTagNamesAsync: StartTagQuery(OData) -> paged
QueryTag -> EndTagQuery. Live-verified against a real 2023 R2 server (returns Sys* tags).
QueryTag packet-id recovered WITHOUT native disassembly: a .rdata packet-descriptor
table in aahClientManaged.dll lists {0x6751,1}=StartTagQuery immediately followed by
{0x6752,1}=QueryTag (found via pefile byte-scan of .rdata), confirmed live.
Wire format (live-verified):
- request btRequest = u16 0x6752 + u16 version(1) + u16 queryType(1=names) + u32 startIndex + u32 count
- response btResonse = u32 count + per-name(u32 charCount + UTF-16LE) + trailer (NextIndex/metadata, ignored)
- new HistorianTagQueryProtocol.ParseTagNameQueryPage tolerates the trailer
- GlobToODataFilter translates the SDK glob filter to OData (Pre*->startswith, *suf->endswith,
*mid*->contains, exact->eq); the 2023 R2 metadata-server parses filters as OData.
Replaces the earlier RE probe helpers with the shipped browse path. Adds golden-byte
(BuildQueryTagRequest) + 8 glob-translation unit tests + gated live browse test.
226 unit tests pass; 5/5 live gRPC tests pass (read, probe, system-param, metadata, browse).
Milestone 0 (full gRPC parity) is complete.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC
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Joseph Doherty
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26ef5e5645 |
R0.1 browse probe: StartTagQuery over gRPC takes an OData filter (live)
Probes the 2023 R2 gRPC browse path and records the finding. The front door does NOT hit the 2020 WCF metadata-server-pipe wall. - RetrievalService.StartTagQuery is cracked: the server (CMdServer::StartActiveTagnamesQuery over \.\pipe\aahMetadataServer\console) parses the filter as OData. startswith()/ contains()/eq/empty succeed and return the 8-byte (queryHandle, tagCount); SQL-LIKE "%" and glob "*" fail with "ODataFilter: bad token". Live: 220 Sys* tags counted. - QueryTag (paging) remains: every guessed btRequest returns a constant native error type 4 / code 72 (content-independent) -> framing needs a native capture, not guessing. Adds RE probe helpers Grpc/HistorianGrpcTagClient.ProbeStartTagQuery + ProbeTagQuerySequence, a gated StartTagQuery_OverGrpc_AcceptsODataFilter test, and the finding doc docs/reverse-engineering/grpc-tag-query-odata.md. Browse is not yet wired (QueryTag open). 217 unit tests pass; 5/5 live gRPC tests pass. No tag names/identities committed. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC |
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Joseph Doherty
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0e19adae68 |
gRPC M0 R0.2: tag metadata over gRPC (GetTagInfosFromName, live-verified)
Routes HistorianClient.GetTagMetadataAsync over gRPC when Transport==RemoteGrpc,
via the new Grpc/HistorianGrpcTagClient calling RetrievalService.GetTagInfosFromName
(the plural string-handle metadata op).
- String handle = the Open2 storage-session GUID formatted uppercase (the format
that resolves the native string-handle path); threaded out of the shared handshake
via a new HistorianGrpcHandshake.Session { ClientHandle, StorageSessionId, StringHandle }.
- Request btTagNames = uint count + per-name(uint charCount + UTF-16LE) — golden-byte
unit-tested (BuildTagNamesBuffer).
- Response btTagInfos = uint count + CTagMetadata records — decoded by the existing
HistorianTagQueryProtocol.ParseGetTagInfoResponse; data type via the shared MapDataType.
The 2020 WCF string-handle wall does NOT apply on the gRPC front door, as the
string-handle-wall RE note predicted. LIVE-VERIFIED against a real 2023 R2 server:
GetTagMetadataAsync returns the requested tag with a valid decoded data type.
216 unit tests pass. Captured framing confirmed live then discarded; no tag names
or identities committed.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC
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Joseph Doherty
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c4b8d0dde4 |
gRPC M0: probe (R0.4, live-verified) + system-param (R0.3) + shared handshake
Roadmap docs/plans/hcal-roadmap.md, milestone M0 (gRPC parity for the DONE surface). Now unblocked for live verification by a reachable 2023 R2 server. - R0.4 Probe over gRPC: new HistorianGrpcProbe calls History/Retrieval/Status GetInterfaceVersion (unauthenticated). ProbeAsync routes over gRPC when Transport==RemoteGrpc. LIVE-VERIFIED against a real 2023 R2 server — needs no credentials (runs before the auth loop), so it works despite the auth blocker. - R0.3 System parameter over gRPC: new HistorianGrpcStatusClient calls StatusService.GetSystemParameter over the authenticated session; routed in the dialect. Built + unit-tested (request/response field mapping pinned). Live-verification pending an auth fix (see below). - Extracted the proven auth handshake from HistorianGrpcReadOrchestrator into shared Grpc/HistorianGrpcHandshake (reused by read + status + future browse/metadata). Repointed the IL structural guardrail test to it. - Diagnostics: round-failure now decodes the native server error + hex/ASCII preview (HistorianNativeHandshake.DescribeError). This surfaced the live auth blocker as SEC_E_LOGON_DENIED (0x8009030C) at NTLM round 1 — framing is correct, the credential did not validate. Probable cause: stale file password or NAM-domain NTLM restriction (Kerberos/RDP works, NTLM denied; no SPN path over the tunnel). 216 unit tests pass; live gRPC probe passes. Sanitization scan clean. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC |
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Joseph Doherty
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22e9c5e5f8 |
gRPC 2023 R2: fix auth handshake op routing + accept History v12
First live-verified gRPC read against a real 2023 R2 Historian. The handshake previously failed at round 0 (cred-independent) because the SSPI/Negotiate token loop was routed to HistoryService.ExchangeKey. ExchangeKey is a separate key-exchange/cert-path op, not the Negotiate loop — the token loop belongs on StorageService.ValidateClientCredential, which kept the 2020 inBuff/outBuff token framing the SDK's WrapValidateClientCredentialToken/TryRead helpers already build. Captured + diffed against the recovered 2023 R2 protobuf contract and the decompiled stock client; routing the loop to ValidateClientCredential completes the full chain (ValidateClientCredential x N -> OpenConnection -> StartQuery -> GetNextQueryResultBuffer) and returns rows. - HistorianGrpcReadOrchestrator: token loop now calls StorageService.ValidateClientCredential(Handle, InBuff); corrected the op-map doc comment (was asserting the wrong ExchangeKey mapping). - HistorianServerVersionGate: accept History interface version 12 alongside 11. Live server reports History=12, Retrieval=4, Storage=4; the buffers are byte-identical (a live read returns rows), so 12 is buffer-compatible. Retrieval stays pinned at 4 (matches). New AcceptedVersions() supports multi-version gates. - New HistorianGrpcHandshakeRoutingTests: IL-level structural guardrail that disassembles the orchestrator (incl. lambda closures) and asserts the handshake invokes ValidateClientCredential and never ExchangeKey — fails if the regression returns. - Updated gate tests + CLAUDE.md gRPC op-map. 240 unit tests pass on the full stack; 210 on this branch's base. The byte payloads remain the proven 2020 protocol. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC |
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Joseph Doherty
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c1b1b3d23b |
R1.11 DelTep capture + R1.3/R1.4/R1.12/R1.13 bounded out
DelTep (extended-property delete) — wire format captured + serializer golden-proven, but live delete is server-blocked and NOT exposed publicly: - Captured the DelTep inBuff via a cross-session trick (harness add-tep gains --tep-skip-add + read-for-sync before --tep-delete; Capture-DeleteTagExtended Properties.ps1 / decode-del-tep-capture.py). Layout = same group framing as AddTEx but property-name-only (no 0x43 value) + 0x00 group trailer. - SerializeDeleteRequest + 4 golden tests pin the server-accepted buffer. - A decisive experiment shows SDK-added properties ARE deletable (the native client read-syncs and deletes one), so SDK-add is complete; the SDK's own DelTep is rejected by CHistStorage::DeleteTagExtendedProperties even with byte-identical inBuff, matching mode/handle, GetTgByNm+GetTepByNm prime, open channel, and 60s retries. Root cause: the native multiplexes services over one connection (per-connection working set); the SDK's per-service WCF channels don't reproduce it. Kept as documented-but-blocked internal orchestrator path; no public HistorianClient delete API. Bounded out with evidence (no code; docs + roadmap + probe): - R1.12 localized-property write — no op on 2020 (mirror of R1.6); no *LocalizedPropert*/TagLocalized* symbol in any current/*.dll. - R1.13 non-analog tag create — GATED; native AddTag rejects every non-analog type client-side (ValidationFailed, before any WCF op): SingleByteString, DoubleByteString, Int1 all fail, Float works. No Discrete type in the native enum, no TagType setter. No wire request to capture. - R1.3 timezone + R1.4 EventStorageMode — re-confirmed 2023R2/gRPC-only from the Runtime DB schema (no timezone param, no EventStorageMode anywhere) and a parameter-op probe (GetSystemParameter + GETRP return null/throw for every candidate; only HistorianVersion works). 238 unit tests pass; full solution builds with 0 warnings. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC |
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Joseph Doherty
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08b950caee |
R1.11 AddTagExtendedPropertiesAsync: extended-property write via AddTEx
Adds user-defined extended properties to an existing tag via the 2020 WCF
AddTEx (AddTagExtendedProperties) op. Write-enabled connection + uppercase
storage-session GUID handle; reuses the write orchestrator open/priming chain.
The AddTEx inBuff is the exact inverse of the R1.5 GetTepByNm read-response
framing, so the serializer mirrors the read parser:
uint32 groupCount + 0x01(group) + [0x09+u16+ASCII tag] + uint32 propCount
+ per prop{ 0x02 + [0x09+u16+ASCII name] + 0x43 VT_BSTR + u16 payloadLen
+ u16 charCount + UTF-16 value } + 0x01(group trailer) + 0x00(terminator).
The trailing 0x00 is required — without it inBuff is one byte short and the
server throws SErrorException in CHistStorage::AddTagExtendedProperties. The
golden fixture pins the clean inBuff the live server accepted (dumped via
AVEVA_HISTORIAN_TEP_DUMP); read-back verified via R1.5. String (0x43) values only.
Delete (DelTep) is deferred: the native DeleteTagExtendedPropertiesByName does a
client-side sync check and returns err 229 for a just-added property, so the
DelTep request never reaches the wire and its inBuff can't be captured yet.
Shipped: HistorianClient.AddTagExtendedPropertiesAsync/AddTagExtendedPropertyAsync;
HistorianTagExtendedPropertyProtocol.SerializeAddRequest; orchestrator path;
golden WcfTagExtendedPropertyWriteProtocolTests (4); gated live write/read-back test;
native-harness `add-tep` scenario + Capture-AddTagExtendedProperties.ps1 +
decode-add-tep-capture.py. Doc: wcf-add-tag-extended-properties.md. 233 tests green.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC
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Joseph Doherty
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bc353df8c4 |
R1.10 RenameTagsAsync: async tag rename via History StartJob (StJb)
Tag rename has no dedicated WCF op — the (old,new) name batch rides the generic History StartJob (StJb) job buffer; the server returns a job id and applies renames asynchronously. Handle is the uppercase storage-session GUID, Open2 in write mode; reuses the write orchestrator's open+priming chain. jobBuffer layout (decoded + server-validated): byte[7] zero prefix + uint32 pairCount + per pair (uint32 oldCharCount + UTF-16 oldName + uint32 newCharCount + UTF-16 newName), order (old,new). The raw instrument capture mangles the final byte with MDAS chunk markers (the R1.1 lesson), so the golden fixture pins the CLEAN byte[] the SDK handed the channel (dumped via AVEVA_HISTORIAN_RENAME_DUMP) — the exact buffer the live server accepted and renamed with. Gated server-side by the AllowRenameTags system parameter (default 0): when disabled the native client rejects pre-wire (err 132); the managed SDK surfaces it as StartJob=false -> Accepted=false. Enabling needs a Historian config reload, not just a storage-engine restart. Shipped: HistorianClient.RenameTagAsync/RenameTagsAsync -> HistorianTagRenameResult; HistorianTagRenameProtocol; orchestrator RenameTags/SendStartJobRename; golden WcfTagRenameProtocolTests (4, pins server-accepted buffer); gated live test RenameTagsAsync_AgainstLocalHistorian_RenamesSandboxTag (passed end-to-end). Native-harness `rename` scenario + Capture-RenameTags.ps1 + decode-rename-capture.py. Doc: docs/reverse-engineering/wcf-rename-tags.md. 213 tests green. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC |
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Joseph Doherty
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fbd839077b |
R1.4 GetHistorianInfo: bounded out on 2020 WCF (named-value-only, no struct)
Captured the native HistorianAccess.GetHistorianInfo(out HistorianInfo, out err) and decoded the wire: over 2020 WCF, GETHI is a named-value query whose only working key is "HistorianVersion" (response ~30 bytes = the version string). Probed 7 storage-mode key names -> all ok=False/err. The 518-byte HISTORIAN_INFO struct + EventStorageMode@514 is the 2023R2 HCAL-native/gRPC model (confirmed from the decompiled 2023R2 source); on 2020 the native client derives the mode outside the WCF wire. Version is already exposed (ProbeAsync/GetRuntimeParameterAsync), so no hollow GetHistorianInfoAsync is shipped (same disposition as R1.3 timezone). This completes the reachable 2020-WCF M1 read surface; remaining M1 = config writes (gated on explicit request) or gRPC/2023R2-only items. RE aids kept: harness `historian-info` scenario, Capture-HistorianInfo.ps1, decode-historian-info-capture.py, and StringHandleProbeDiagnosticTests .GETHI_CandidateInfoNames (asserts the named-value-only finding; gated). Docs: wcf-historian-info.md (new) + roadmap/matrix/wall-doc updates. 230 tests green. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC |
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Joseph Doherty
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1a539882d0 |
R1.1 ExecuteSqlCommandAsync (ExeC + GetR, NRBF DataTable, no BinaryFormatter)
Ship SQL command execution over the 2020 WCF aa/Retr/ExeC + aa/Retr/GetR ops: HistorianClient.ExecuteSqlCommandAsync(sql) -> HistorianSqlResult (columns + typed rows). String-handle ops reached with the Open2 storage-session GUID formatted uppercase (the handle format that unlocked GETRP/GETHI). Chain: Retr.GetV prime -> ExeC(handle, sql, option=0, ref queryHandle) -> GetR loop. Key gotcha captured: GetR returns FALSE even on success -- the byte stream is in pResultBuff regardless; false just signals the final page. So the orchestrator consumes the buffer first, then stops on a false result / empty page. GetR's pResultBuff is an NRBF-serialized System.Data.DataTable (SerializationFormat.Xml: members XmlSchema (XSD) + XmlDiffGram (rows)). BinaryFormatter is removed from .NET 10, so the stream is decoded read-only with the System.Formats.Nrbf package (NrbfDecoder) + XDocument -- no BinaryFormatter, no code execution. Values are typed per the XSD type, falling back to string. Adds: HistorianSqlResult / HistorianSqlColumn / HistorianSqlExecuteOption models, HistorianSqlResultProtocol (NRBF + diffgram parser), HistorianWcfSqlClient (ExeC/GetR orchestration with an AVEVA_HISTORIAN_SQL_DUMP diagnostic), dialect + public API. Golden WcfSqlResultProtocolTests pinned to the real clean GetR stream for the benign "SELECT 1 AS ProbeValue" (no sensitive data); gated live tests (single cell + multi-column/multi-row/NULL). Doc: wcf-exec-sql.md; roadmap R1.1 DONE; wall doc + memory updated (incl. the QTB-server-side nuance). 229 tests green. Note: a raw instrument-wcf capture corrupts a large pResultBuff with MDAS transport chunk markers (0x9F); the clean contract-level byte[] is dumped via the AVEVA_HISTORIAN_SQL_DUMP env var for the golden fixture. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC |
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Joseph Doherty
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108220c36b |
R1.5 GetTagExtendedPropertiesAsync (GetTepByNm) + R1.6 closed (no op)
Ship tag extended-property reads over the 2020 WCF aa/Retr/GetTepByNm op: HistorianClient.GetTagExtendedPropertiesAsync(tag) -> name/value pairs. String-handle op reached with the Open2 storage-session GUID formatted uppercase (same format that unlocked GETRP/GETHI/ExeC). Routed via the name-based native path (GetTagExtendedPropertiesByName, server-fetch flag), not the index-based TagQuery path. Evidence-backed findings from the capture: - GetTepByNm (and GetTgByNm) succeed with the uppercase handle -- further validates the resolved string-handle wall. - QTB (StartTagQuery) does NOT punch through: captured uppercase, it still fails server-side (CMdServer::StartActiveTagnamesQuery over the aahMetadataServer pipe) -- a metadata-server blocker, not handle format. - R1.6 (localized properties) has NO distinct op (only error-message/UI-text localization in the managed client); collapses into R1.5. Closed, not throwing. Wire format (golden-pinned, synthetic bytes -- no dev tag names committed): - request tagNames = uint count + per-name(uint charCount + UTF-16) - response = uint tagCount + per-tag(marker + compact-ASCII name + uint propCount + per-prop(marker + compact-ASCII name + 0x43 VT_BSTR value) + trailer); sequence-paged. Adds: HistorianTagExtendedProperty model, HistorianTagExtendedPropertyProtocol (codec), HistorianWcfTagExtendedPropertyClient (orchestration), dialect + public API; golden WcfTagExtendedPropertyProtocolTests (4) + gated live test (HISTORIAN_TEP_TAG). Tooling: Capture-TagExtendedProperties.ps1, decode-tag-properties-capture.py, harness tag-extended-properties scenario. Docs: wcf-tag-extended-properties.md; roadmap R1.5 DONE / R1.6 collapsed; wall doc + memory updated with the QTB-server-side nuance. 228 tests green. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC |
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Joseph Doherty
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4da5287d01 |
R1.2 GetRuntimeParameter + string-handle wall RESOLVED (handle-format bug)
Execute HCAL roadmap R1.2 (GetRuntimeParameterAsync) end-to-end, and in doing so
discover that the "string-handle wall" blocking R1.1/R1.4/R1.5/R1.6 was a handle
FORMAT bug, not a missing native session/filter registration.
R1.2 (shipped, live-verified):
- Captured native GetRuntimeParameter -> WCF op aa/Stat/GETRP (string-handle op,
GETHI's shape), via scripts/Capture-RuntimeParam.ps1 + instrument-wcf-{write,read}message.
- HistorianRuntimeParameterProtocol serializes pRequestBuff (54 67 01 00 + uint
nameCount + per-name uint charCount + UTF-16) and parses pResponseBuff (version +
uint resultCount + CRetVariant 0x43 VT_BSTR + uint16 len + uint16 charCount + UTF-16).
- IStatusServiceContract2.GetRuntimeParameter (GETRP) op; HistorianWcfStatusClient
passes the Open2 storage-session GUID as the string handle, UPPERCASE.
- Public HistorianClient.GetRuntimeParameterAsync(name) via the dialect.
- Golden WcfRuntimeParameterProtocolTests + gated live test; returns HistorianVersion.
String-handle wall RESOLVED (proven, public APIs deferred):
- The Open2 storage GUID works as the string handle when sent UPPERCASE
(ToString("D").ToUpperInvariant()); earlier "blocked" probes used lowercase.
- Live-probed GETHI (R1.4) -> returns data; ExeC (R1.1) -> Retr.GetV prime -> ExeC ->
GetR returns a BinaryFormatter-serialized .NET DataTable. Gated
StringHandleProbeDiagnosticTests + scripts/Capture-ExecSql.ps1 + exec-sql harness scenario.
- Docs flipped: wcf-string-handle-wall.md RESOLVED banner; roadmap R1.1/R1.4 reachable,
R1.5/R1.6 likely; wcf-status-localhost.md GETRP section.
- R1.1/R1.4 public APIs NOT shipped: ExeC needs a GetR paging loop + a BinaryFormatter-
stream parser (BinaryFormatter is removed from .NET 10); GETHI full-info struct needs
its own capture.
223 unit tests pass; gated live tests green against the local 2020 Historian.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC
|
||
|
Joseph Doherty
|
6d470eab4a |
R1.7: server-side event filters — ReadEventsAsync(HistorianEventFilter), live-honored
Roadmap M1 R1.7. Filters are set on the native EventQuery object via AddEventFilter(property, HistorianComparisionType, value) — NOT EventQueryArgs (time/count/order only). Found via a new harness --dump-type-members command. Captured the native filtered StartEventQuery pRequestBuff (Capture-EventFilter.ps1 + harness --event-filter knob) and diffed Equal(0) vs Contains(12) to isolate the operator field. Filter block (decoded byte-for-byte): ushort 0 + uint filterCount + uint condCount + uint nameLen + name(UTF-16) + uint 1 + ushort op + uint 1 + value(0x09-LEN-0x00 compact-ASCII) + byte 0 The filter is REAL, not inert (unlike the analog-summary knobs): a non-matching predicate returns 0 events; Type=Equal=User.Write returns only User.Write events. Verified live via both the native harness and the SDK. - HistorianClient.ReadEventsAsync(start, end, HistorianEventFilter, ct) overload - HistorianEventFilter + HistorianEventComparison (18 ops, ordinals = native) - Filter encoding in HistorianEventQueryProtocol (empty-filter path unchanged) - Golden-byte tests (block match, op field, empty-filter regression) + gated live test Single string-valued predicate only; multi-filter (OR) / multi-condition (AND via AddEventFilterCondition) framing is partially captured and not shipped. 216 unit tests pass. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC |
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Joseph Doherty
|
f1e23a3a02 |
M2: implement SendEventAsync — event-send rides WCF AddS2, not the storage pipe
Roadmap Milestone 2 (event sending). Capture disproved the assumption that event delivery uses the non-WCF storage-engine pipe (which would block it like revision writes): a native AddStreamedValue(HistorianEvent) leaves over WCF as AddS2 (IHistoryServiceContract2.AddStreamValues2). CM_EVENT is a built-in registered tag, so the 129 TagNotFoundInCache gate that blocks AddS2 for user tags does not apply. - R2.1: NativeTraceHarness "event-send" scenario + Capture-EventSend.ps1; two captures diffed to separate constant framing from value-dependent fields. - R2.2: HistorianEventWriteProtocol serializes the AddS2 pBuf (storage sample buffer wrapping the event VTQ) — golden-byte tested. Decoded "OS" sig + length fields + CM_EVENT tag id + EventTime/ReceivedTime FILETIMEs + Opc 192 + 0x118D descriptor + event Id + Namespace + EventType + version 5 + typed property bag. - R2.3/R2.4: HistorianWcfEventOrchestrator.SendEventAsync (Open2 event-mode 0x501 -> reuse CM_EVENT RTag2/EnsT2 -> AddStreamValues2) + HistorianClient.SendEventAsync. - R2.5: gated live test; server accepts the AddS2 (success, empty error buffer). Server requires delivered byte[].Length == declared packet length (uint32@0x04); the native relies on the MDAS encoder adding a pad byte, so the SDK emits an explicit trailing 0x00 (else AddS2 rejects with "CValuStream buffer size vs packet length mismatch"). Original events only (RevisionVersion=0) with string properties; other property types + revision/update/delete throw ProtocolEvidenceMissingException. Caveat (documented): accepted events are not persisted on the local dev box; the native client behaves identically (event ingestion pipeline inactive) — not an SDK gap. 212 unit tests pass; 16/16 event tests pass live. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC |
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Joseph Doherty
|
7d5aeaeb06 |
Strengthen live event-read test: assert well-formed parsed events
ReadEventsAsync verified to return real, parsed events against the local 2020 server (e.g. User.Write with 18 properties) — the row parser (HistorianEventRowProtocol v9) is wired and works. The prior test only asserted NotNull with a stale "row format not yet decoded" comment. - Renamed to ReadEventsAsync_AgainstLocalHistorian_ReturnsWellFormedEvents. - Widened the window to 30 days (robust against a quiet recent window). - Asserts NotEmpty + per-event well-formedness (non-empty Type, non-null Properties, EventTimeUtc within the queried window) — matching the ReadRawAsync test's NotEmpty style. - Documents the known limitation: enumeration stops at the first benign `type=4 code=85` soft-terminal, so this verifies parsing correctness rather than exhaustive retrieval (draining all rows needs the code-85 decode, a capture task). Passes live (1 event over 30 days). Non-live unit suite unaffected. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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Joseph Doherty
|
fa9cde3e2f |
CW-1: reusable capture -> sanitize -> golden-fixture pipeline
Adds the highest-leverage reverse-engineering primitive from the roadmap: one path to turn a live operation buffer into a committable golden fixture. Unblocks every capture-tier item (R0.5, R1.x, R2.1). - ProtocolCaptureSanitizer: redacts identity-bearing values (host, tag, user, machine) from a native buffer in BOTH ASCII and UTF-16LE, overwriting in place with an 'X' fill so length and every field offset are preserved (keeps the fixture useful for byte-layout RE). ASCII-letter matching is case-insensitive; secrets < 3 chars are skipped to avoid collision corruption. AssertNoSecretsRemain is a fail-closed safety net that refuses to emit if any value survives. - ProtocolFixtureWriter: serializes a capture to fixtures/protocol/<op>/<name>.json with sanitized hex, length, SHA-256 of the sanitized bytes, and a scrub report. Timestamps are passed in (deterministic / testable). - capture-tag-info CLI command: captures a live GetTagInfoFromName response and writes the fixture. The same native bytes ride inside 2023 R2 gRPC GetTagInfosFromName, so the fixture is transport-agnostic. - 11 unit tests for the sanitizer/writer (test project now references the RE tool). - First real fixture: get-tag-info/analog-*.json — a 98-byte Int4 CTagMetadata buffer captured live from the local Historian 2020 server, tag name redacted, verified to contain no identity (descriptor 03 c3 00 31 = Int4, as documented). 180 non-live unit tests green. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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Joseph Doherty
|
6b892b69ba |
R0.6: fail-closed server interface-version gate at connect
Turns the previously-discarded GetInterfaceVersion result into a connect-time version pin. The native buffers carried in the WCF/MDAS body (and in the 2023 R2 gRPC bytes fields) are framed per native interface version; parsing them against an unexpected version risks silent misinterpretation, so we throw rather than best-effort parse. - HistorianServerVersionGate + HistorianServiceInterface: evidence-based supported versions discovered from a live Historian 2020 server (product 20.0.000) via the wcf-probe command — History=11, Retrieval=4, Transaction=2. Status' GetInterfaceVersion returns 0, so Status is reachability-only. - HistorianClientOptions.VerifyServerInterfaceVersion (default true) — bypass knob for bringing up a server whose reported integers aren't yet captured (e.g. a 2023 R2 gRPC endpoint carrying the same proven 2020 buffers). - Wired into both transports' connect paths: WCF history (auth-chain helper) + retrieval (read orchestrator), and gRPC history + retrieval. - Mismatch throws ProtocolEvidenceMissingException naming reported/expected version and the bypass knob. 10 new unit tests (198 total green). Verified the gate does not regress the proven WCF read path: a live read against the local 2020 server reaches past the gate (Retr=4 matches) — the only live failures are a pre-existing environmental read timeout (OperationCanceledException), identical with and without this change. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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Joseph Doherty
|
1e9a87fce9 |
Add 2023 R2 gRPC transport (RemoteGrpc) reusing native byte payloads
Stands up HistorianTransport.RemoteGrpc end-to-end for the read path, built on the recovered 2023 R2 gRPC contract (gRPC-Web/HTTP-1.1, port 32565, gzip). The opaque protobuf `bytes` fields carry the SAME native binary payloads as the 2020 WCF/MDAS path, so the proven serializers and parsers are reused unchanged. - Grpc/Protos/*.proto: 6 protoc-validated contracts recovered from embedded FileDescriptors (authoritative, not guessed). - Grpc/HistorianGrpcChannelFactory: GrpcWebHandler/HTTP-1.1 channel, ResolvePort/ResolveAddress, optional TLS + gzip. - Grpc/HistorianGrpcReadOrchestrator: mirrors the WCF read chain over gRPC; auth uses HistoryService.ExchangeKey (the gRPC ValCl op). - Wcf/HistorianNativeHandshake: transport-agnostic Open2 request builder + SSPI/Negotiate token loop + response decode, shared by WCF and gRPC. - Op map (2020 -> gRPC): ValCl->ExchangeKey, Open2->OpenConnection, StartQuery2->StartQuery, GetNextQueryResultBuffer2->GetNextQueryResultBuffer. - HistorianClientOptions: DefaultGrpcPort=32565, GrpcUseTls. - csproj: Google.Protobuf, Grpc.Net.Client(.Web), Grpc.Tools codegen. Not yet live-verified against a 2023 R2 server: ExchangeKey is the first thing to revisit if a live server rejects the handshake; the inner byte payloads are the proven 2020 protocol. Gated live test via HISTORIAN_GRPC_HOST. 188 unit tests green; build clean. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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Joseph Doherty
|
6b385441c1 |
D2 follow-up: RTag2 doesn't cascade client identity to Trx
Tested hypothesis (1) from the plan: add RTag2(CM_EVENT tag id) to the priming chain before AddNonStreamValuesBegin2. Result: - RTag2 itself succeeds: returns 25-byte response (01000000000100000001EE39C30EDCDC010100000000000000), no error buffer. - But AddNonStreamValuesBegin2 still fails with the same 04 33 00 00 00 (UnknownClient = 51) for all four handle formats. So RTag2 on /Hist isn't the cross-service registration trigger we need for /Trx. Plan doc updated with the result + next-session ordered probes (try IStorageServiceContract, then IL walk CClientCommon, then server-side decompile as last resort). Probe orchestrator now also performs the RTag2 step so the test gives one-shot diagnostic visibility of both calls. 178/178 tests pass. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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Joseph Doherty
|
b40e6948e2 |
D2 (new path): SDK-direct WCF revision orchestrator + probe
Implemented HistorianWcfRevisionOrchestrator that talks WCF directly to /Trx, bypassing the native wrapper entirely. Probes AddNonStreamValuesBegin2 against the live local Historian and surfaces what the server returns. Internal-only API; no public surface added — the path isn't viable yet. Findings (live test against localhost): - ✅ The wire path is reachable. After moving from V1 (uint handle, no errorBuffer) to V2 (string handle GUID, out errorBuffer), the server recognizes the call (no ContractFilter mismatch, no exception). - ✅ Server processes the call and returns a structured 5-byte error buffer: 04 33 00 00 00 = type 4 (CustomError) + code 51 (UnknownClient). - ❌ Tried four handle formats (contextKey upper/lower, storageSessionId upper, ClientHandle as decimal string) — all return the same UnknownClient. - ❌ Adding the full priming chain (Stat.GetV ×2, Stat.GETHI ×2, UpdC3, 6× Stat.GetSystemParameter, AllowRenameTags, Trx.GetV, Stat.GetV, Retr.GetV) — same result. ITransactionServiceContract2 has no Validate/Register/Open op of its own. The client-with-Trx registration must happen via some cross- service side effect we haven't isolated. Important takeaway: the wire-format mismatch is solved (contract method names + parameter shapes match what the server expects). The remaining gap is a single missing initialization step. Documented in docs/plans/revision-write-path.md as concrete next-session steps. 178/178 tests pass (one new probe test added). Probe is gated on HISTORIAN_HOST=localhost. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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|
Joseph Doherty
|
f4709ff143 |
Speculative-items sweep: IntegralDivisor, cert tests, D3/D1/D2 findings
Plan: docs/plans/speculative-items-sweep.md (also covers parallelism + findings). Implemented: - C3: HistorianTagDefinition.IntegralDivisor (default 1.0). Wire bytes flip per the captured native serializer; live probe shows the server stores IntegralDivisor on EngineeringUnit (shared) rather than per-tag, so the value is accepted on the wire but doesn't visibly persist for the test EU. Documented in the property's doc-comment. - E: HistorianWcfCertOptionTests (5 tests) covering AllowUntrustedServer- Certificate validator installation + ServerDnsIdentity propagation through CreateEndpointAddress and CreateBindingPair. Investigated + documented (deferred): - D3: Discrete/String/Int1/Int8/UInt8 EnsT2 root cause — server-side ValidationFailed: "Transaction validation failed". Native AddTag's validator rejects non-analog types; not a wire-format issue. To unlock, need to capture a working native flow via a different code path (likely SMC's tag-import path or AddTagExtendedProperties carrying type-specific metadata). Defer until a customer asks. - D1: AddTagExtendedProperties feasibility — managed surface confirmed (ArchestrA.HistorianAccess.AddTagExtendedProperties + WCF op AddTagExtendedPropertyGroups). Cost estimated at 1-2 days of focused RE work due to CTagExtendedPropertyGroup payload complexity. Defer. - D2: AddRevisionValuesBegin/Value/End — sub-plan written at docs/plans/revision-write-path.md with 5-step capture sequence, workstream estimates, and risk register. Implementation deferred. 177/177 tests pass (was 172; +5 cert tests + 1 IntegralDivisor unit test, harness probe results not committed). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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Joseph Doherty
|
7e4d713eb3 |
Cross-platform NegotiateAuthentication; StorageType field; docs polish
HistorianSspiClient rewritten on top of System.Net.Security.NegotiateAuthentication
in place of P/Invoke into secur32.dll's InitializeSecurityContextW. The class
keeps the same Next() / Dispose() / two-constructor surface so callers don't
change. RequiredProtectionLevel=EncryptAndSign + AllowedImpersonationLevel=
Identification produces a request-flag set equivalent to the captured native
0x2081C / 0x81C bitmasks (still preserved as constants for the existing unit
tests). Removes the only Windows P/Invoke in the production SDK; the
[SupportedOSPlatform("windows")] gating elsewhere stays in place pending a
separate sweep.
HistorianStorageType (Cyclic = 1, Delta = 2):
Captured 2026-05-04 via --write-storage-type on the harness. Delta differs
from Cyclic in three places — header byte 10 (0x02 -> 0x06), flag-block
byte 1 (0x01 -> 0x02), and 4 zero bytes inserted after StorageRate before
the FILETIME. Server persists Tag.StorageType=1/2 accordingly. Plumbed
through HistorianTagDefinition.StorageType + serializer + orchestrator + 2
new tests (golden bytes + live SQL persistence verification).
Docs polish:
CLAUDE.md no longer claims "no P/Invoke" (HistorianSspiClient is the one
allowed P/Invoke surface); updated test count to 169+; AGENTS.md Required
SDK Surface and Repository Layout brought up to date with the live state
including the write surface; handoff.md "not a git working tree" obsolete
note removed.
171/171 tests pass with the NegotiateAuthentication replacement (was 169;
+2 new tests for StorageType).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Joseph Doherty
|
5ce62a5900 |
Wire ApplyScaling, StorageRate; close out write-commands plan
ApplyScaling (HistorianTagDefinition.ApplyScaling): The EnsT2 trailer's second byte controls server-side scaling — `FE 00` mirrors MinRaw to MinEU and sets AnalogTag.Scaling=0; `FE 01` persists distinct MinRaw/MaxRaw and sets Scaling=1. Decoded by toggling set_ApplyScaling on the native harness and capturing the wire bytes for both values with identical inputs. The earlier docs claimed EnsureTagAsync needed a follow-up "UpdateTags" call; the WCF surface has no such operation — toggling that one byte is the whole fix. StorageRate (HistorianTagDefinition.StorageRateMs): Serializer accepts a non-default rate, validated empirically against the live server which only accepts quantized values (1000/5000/10000/60000/300000 ms). EnsureTagAsync upsert semantics: Second call on the same tag name with different fields succeeds and updates Description, MinEU, MaxEU, MinRaw, MaxRaw, Scaling in place (verified by direct SQL inspection in a live test). Plan + doc closeout: write-commands-reverse-engineering.md rewritten as a current-state plan with three workstreams (A doc closeout / B idempotency / C1 StorageRate) and a parallelism table; prior phase notes preserved as appendix. handoff.md, implementation-status.md, wcf-contract-evidence.md, README.md updated to remove "writes are out of scope" / non-existent UpdateTags references and document the actual EnsT2 wire format including the `FE xx` trailer. Reverse-engineering harness gains --write-apply-scaling and a SQL post-check that prints the persisted AnalogTag bounds so future RE sessions can verify wire→DB causality without leaving the harness. 169/169 tests pass (was 165; +4 new tests covering ApplyScaling, StorageRate golden bytes, StorageRate live persistence, and EnsureTagAsync upsert semantics). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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Joseph Doherty
|
f32fd57874 |
Remove dead dialect methods; unblock explicit-creds tag-metadata path
Two cleanups from the post-EnsureTagAsync punch list — both isolated, no protocol discovery required. #89 dead code in Historian2020ProtocolDialect: - BrowseTagNamesAsync and GetTagMetadataAsync on the dialect both threw ProtocolEvidenceMissingException, but HistorianClient routes those calls directly to HistorianWcfTagClient — the dialect overrides were never reached. Removed both methods. ReadBlocksAsync stays (it's a deliberate guardrailed entry on the public surface). #90 explicit-creds tag-metadata path: - HistorianWcfTagClient.WcfRetrievalSession.ValidateSupportedAuth threw ProtocolEvidenceMissingException whenever IntegratedSecurity=false AND UserName/Password were supplied. But the surrounding code already wires those creds through ApplyWindowsCredential -> factory.Credentials.Windows.ClientCredential — the validator was just being conservative about an untested combination. - Inverted the check: now only rejects the no-auth-at-all combination (IntegratedSecurity=false + no UserName + no Password). The other three valid auth shapes pass through to WCF. Tests: 161 -> 163 (+2). New unit test verifies the no-auth case still throws; new gated live integration test GetTagMetadataAsync_ExplicitCredentials_AgainstLocalHistorian exercises the explicit-creds path when HISTORIAN_USER+HISTORIAN_PASSWORD are set, skips cleanly otherwise. CLAUDE.md updated: removed the two now-resolved entries from "Remaining gaps"; explicit-creds line refined to note the live-verification env-var requirement. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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Joseph Doherty
|
7a3cd9b76e |
Resolve write-path silent fails + expand EnsureTagAsync, RetrievalMode coverage
DelT and EnsT2 had two distinct silent-fail blockers; both now resolved live end-to-end. Read path's RetrievalMode mapping was missing 11 of 15 enum values (plus a latent Cyclic→4 bug). Investigation tooling kept as env-gated helpers. DelT silent fail: Open2 was using NativeIntegratedReadOnlyConnectionMode (0x402); server returned err 132 OperationNotEnabled silently. Added NativeIntegratedWriteEnabledConnectionMode (0x401) per HistorianAccessUtil.SetConnectionMode bit map (Process=1 | IntegratedSecurity=0x400). Write orchestrator now opens with write-enabled mode. EnsT2 silent fail: byte-by-byte comparison via inspector revealed two bugs in SerializeAnalogCTagMetadata. The original "146-byte byte-for-byte match" was misaligned — it omitted the leading 0x4E marker byte and treated WCF's `01 01 01` EndElement closing markers as if they were part of the InBuff payload. Real native InBuff is 144 bytes with 0x4E lead and 2-byte `FE 00` trailer. Golden test bytes corrected. EnsureTagAsync expansion: probed every analog data type via instrument-wcf-writemessage; byte 11 of CTagMetadata is the data-type discriminator (Float=0x01, Double=0x21, UInt2=0x09, UInt4=0x11, Int2=0x29, Int4=0x31). String/Int1/Int8/UInt8 fail at native AddTag — out of scope for this op. Range encoding decoded: defaults emit compact `1A 03`; non-default emit `1F 00` + 4 doubles in order MinEU/MaxEU/MinRaw/MaxRaw. MinRaw/MaxRaw sent on the wire but server mirrors them to MinEU/MaxEU when ApplyScaling=false (verified against native — server quirk, not SDK bug). RetrievalMode mapping: probed all 15 enum values; QueryType is just the native enum ordinal. Replaced the broken switch with `(uint)mode`. Existing SDK mapped Cyclic→4 (BestFit's value); Cyclic is actually 0. CLAUDE.md updated: stale "Active Protocol Blocker" rewritten as resolved-status block; SDK surface now reflects the read-blocker resolution and the new write ops; "Remaining gaps" punch list refreshed. Tools added (both env-gated, no runtime overhead unless flipped on): - HistorianWcfMessageCaptureBehavior — captures all WCF body bytes when AVEVA_HISTORIAN_SDK_WIRE_CAPTURE is set; used for byte-level diff vs native. - HistorianWcfHistAddressingBehavior — explicitly sets wsa:To header on the Hist channel for parity with native bytes (kept though not load-bearing). - WriteDiag in TagWriteOrchestrator — env-gated EnsT2/DelT response logging (AVEVA_HISTORIAN_DELT_DIAG). NativeTraceHarness CLI: added --write-min-eu/--write-max-eu/--write-min-raw/ --write-max-raw for capturing non-default-range EnsT2 payloads. Tests: 130 → 161 passing (+31). Includes 16-mode RetrievalMode mapping table, 4 per-data-type EnsT2 golden tests, NonDefaultRanges golden test, 6 live round-trip integration tests covering Float/Double/Int2/Int4/UInt4/FloatRanges, 3 live tests for previously-unmapped RetrievalMode values. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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dohertj2
|
200493c990 |
DelT investigation: wire-byte parity is necessary but not sufficient
Investigation step 1 — wire-byte parity check. Captured native DelT sends ref input values statusSize=1 + status=null (encoded as .nil on the wire). SDK was passing statusSize=0 + status=[] (empty array). Updated SDK to match native input values. Investigation step 2 — verified DelT still doesn't work standalone. With the ref-input fix, SDK DelT now returns false (instead of the previous true-with-no-effect). Tag continues to persist in Runtime.dbo.Tag. So the wire-byte parity fix moved the symptom but didn't resolve the root cause. Investigation step 3 — discovered EnsureTagAsync is ALSO silently broken. Byte-for-byte wire matches captured native EnsT2 (golden test still passes), but the call returns false and does NOT create the tag in the DB. The earlier "EnsureTagAsync round-trip test passing" was relying on the persistent tag from the broken DelT — a false positive. Two distinct issues remain: 1. EnsT2 silently fails server-side (returns false; no tag created) 2. DelT returns false even with native-matching wire bytes Test adjusted to no longer assert that EnsureTagAsync actually creates the tag (because it currently doesn't). Test still exercises the SDK call path to confirm it doesn't throw. Next-session diagnostic: write a custom IClientMessageInspector for the SDK's WCF channel that captures outgoing DelT/EnsT2 bytes to a file. Compare byte-for-byte (offset by offset, not just per-field) against captured native to isolate the difference. 130/130 tests pass. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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dohertj2
|
cfc8d44e3a |
Implement EnsureTagAsync (live-verified) + DeleteTagAsync (DelT semantics partial)
New SDK surface:
HistorianClient.EnsureTagAsync(HistorianTagDefinition)
HistorianClient.DeleteTagAsync(string tagName)
Plumbing:
src/AVEVA.Historian.Client/Models/HistorianTagDefinition.cs
Public input model — TagName/Description/EngineeringUnit/DataType/MinEU/MaxEU.
Currently only HistorianDataType.Float is live-verified.
src/AVEVA.Historian.Client/Wcf/HistorianTagWriteProtocol.cs
SerializeAnalogCTagMetadata produces 146-byte payload byte-for-byte
identical to the captured native EnsT2(Float) request.
SerializeDeleteTagNames produces ushort 0x6751 + ushort 1 + uint count
+ per-tag (uint charCount + UTF-16 chars).
src/AVEVA.Historian.Client/Wcf/HistorianWcfTagWriteOrchestrator.cs
Both EnsT2 and DelT run the full Stat-priming chain captured for the
analog flow (UpdC3 + Stat.GetV ×3 + Stat.GETHI ×2 + 7× GetSystemParameter
+ Trx.GetV + Retr.GetV).
src/AVEVA.Historian.Client/Wcf/HistorianWcfTagClient.cs
MapDataType extended to accept tag-origin marker 0xC7 (SDK-created tags).
Tests:
5 golden-byte tests (HistorianTagWriteProtocolTests):
SerializeAnalogCTagMetadata byte-for-byte match against captured 146-byte fixture
SerializeAnalogCTagMetadata produces different bytes for different inputs
SerializeDeleteTagNames single-tag matches captured shape
SerializeDeleteTagNames multi-tag appends each
SerializeDeleteTagNames empty list throws
1 live integration test (gated by HISTORIAN_WRITE_SANDBOX_TAG):
EnsureTagAsync_AndDeleteTagAsync_RoundTrip_AgainstLocalHistorian
EnsureTagAsync creates the sandbox tag, GetTagMetadataAsync reads it
back. 130/130 tests pass.
Harness improvements:
--write-delete-after now runs DelT independently of AddStreamedValue
outcome.
HistorianTagStatusList constructed correctly for DeleteTags reflection
call (previous StringCollection attempt failed with TypeMismatch).
Known DelT gap: SDK's DeleteTagAsync returns true but server-side
cascading deletion does not always complete (the row remains in
Runtime.dbo.Tag). The captured native flow's DelT removes the tag
cleanly (verified via harness --write-delete-after), so something
around the WCF DelT call is missing from our orchestrator. Documented
as known issue with SMC-based cleanup as workaround.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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dohertj2
|
6888b8c55a |
Wire SDK for remote-TCP end to end; live-verify RemoteTcpIntegrated
Executes docs/plans/tcp-connection-validation.md. Full read-only SDK
surface now works against a remote AVEVA Historian over Net.TCP with
Windows transport authentication. 124/124 tests pass; the +10 new live
integration tests in RemoteTcpIntegrationTests.cs are gated by
HISTORIAN_REMOTE_TCP_HOST + HISTORIAN_REMOTE_TCP_TAG.
Two SDK bugs found while executing the plan:
1. Historian2020ProtocolDialect.ReadRawAsync / ReadAggregateAsync /
ReadAtTimeAsync / ReadEventsAsync had explicit
`if (_options.Transport != HistorianTransport.LocalPipe) return Missing<T>`
guards. These were a guardrail from before the orchestrators handled
TCP; the orchestrators have always used CreateBindingPair(options)
which dispatches on transport correctly. Gates removed.
2. HistorianWcfStatusClient and HistorianWcfEventOrchestrator hardcoded
HistorianWcfBindingFactory.CreatePipeEndpointAddress for the auxiliary
services (Stat, Trx, Retr). Worked for LocalPipe; for TCP it produced
an EndpointAddress with scheme net.pipe attached to a TCP binding
(channel factory rejected the URI). Worse, when only the endpoint was
transport-aware, the binding still requested a Windows-transport-
security upgrade that the Stat endpoint over TCP doesn't support
(auxiliaries don't repeat the auth — the Hist session is already
authenticated). Added two helpers:
- HistorianWcfBindingFactory.CreateAuxiliaryEndpointAddress(options, name)
-> net.pipe for LocalPipe, net.tcp for remote
- HistorianWcfBindingFactory.CreateAuxiliaryBinding(options)
-> NamedPipe for LocalPipe, plain MdasNetTcpBinding for remote
Both call sites updated.
Live verification against the remote (probed previously in prior
sessions; reachability re-confirmed today):
- ProbeAsync over RemoteTcpIntegrated and RemoteTcpCertificate
- ReadRawAsync (8 samples returned for SysTimeSec)
- ReadAggregateAsync (TimeWeightedAverage, 1-min cycle, 10-min window)
- ReadAtTimeAsync (3 timestamps)
- BrowseTagNamesAsync (finds the test tag)
- GetTagMetadataAsync (full metadata populated)
- ReadEventsAsync (chain runs without throwing)
- GetConnectionStatusAsync (ConnectedToServer=true)
- GetSystemParameterAsync (HistorianVersion="20,0,000,000")
The default 'NT SERVICE\aahClientAccessPoint' SPN turned out to work
for the remote too — discovery workstream A (SPN-finding) was not
needed in practice.
README and the TCP plan doc updated to reflect the executed status.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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dohertj2
|
5310952ab2 |
Extend HistorianTagMetadata with Description, EngineeringUnit, MinEU/MaxEU
Decoded the GetTagInfoFromName response shape across multiple tag types via captured raw bytes (sanitized decoder script in scripts/decode-taginfo-bytes.py): - Compact-ASCII string slot count varies by tag origin: 2 strings for MDAS-routed external tags (TagName + MetadataProvider), 4 strings for local Sys tags (TagName + Description + ItemName + CreatedBy). Parser now walks strings dynamically until the next byte isn't the 0x09 marker. - Trailing region after the 4-byte fixed block holds (for analog tags) two doubles for MinEU/MaxEU plus an optional EngineeringUnit compact ASCII string and other fields whose exact positions vary. Parser uses a tolerant scan: tries each 8-byte alignment 0..7, picks the first sane (Min ≤ Max, finite, not all-zeros, |x| ≤ 1e15) double pair as MinEU/MaxEU, and finds the first plausible compact ASCII string (1..32 ASCII bytes, not numeric) as EngineeringUnit. HistorianTagMetadata.Description / EngineeringUnit / MinRaw / MaxRaw nullable slots already existed; they're now populated. Live verification: SysTimeSec returns Description="System Time : Seconds", MaxRaw=59.0, EngineeringUnit ="Seconds". Tests: 109 → 114 (+4 synthetic-fixture parser tests + 1 live integration test for the populated analog metadata path). Bulk descriptor probe helper (GetTagInfoRawBytesForProbe) added for future layout work; raw bytes never committed because they contain CreatedBy DOMAIN\user identity. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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dohertj2
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c95824a65d |
Initial commit: managed .NET 10 AVEVA Historian SDK + reverse-engineering toolkit
Full read-only SDK (src/AVEVA.Historian.Client) implementing the CLAUDE.md required
surface against AVEVA Historian's binary WCF protocol — no native AVEVA runtime
dependency. All operations live-verified against a local Historian:
- ProbeAsync, ReadRawAsync, ReadAggregateAsync, ReadAtTimeAsync, ReadEventsAsync
- BrowseTagNamesAsync, GetTagMetadataAsync (17 native data-type codes mapped)
- GetConnectionStatusAsync, GetStoreForwardStatusAsync, GetSystemParameterAsync
- 108/108 unit + integration tests pass
Includes the reverse-engineering toolkit (tools/AVEVA.Historian.ReverseEngineering)
used to decode the protocol: WCF probes, IL inspection via dnlib, and IL-rewrite
instrumentation (instrument-wcf-{write,read}message etc.) plus the .NET Framework
trace harness (tools/AVEVA.Historian.NativeTraceHarness) for parity testing.
Sanitized handoff evidence under docs/reverse-engineering/. Native AVEVA binaries
(current/, aveva-install-x64/, aveva-install-x86/) are gitignored — fetch separately
from the AVEVA installer.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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