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Feature/optimize 02 datatypes getvalue maxstringlength - #12
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jogibear9988 merged 3 commits intoOct 7, 2026
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…r lists (GML-1187)
Port net functional changes from fork package 01 (DataTypes extension / string array fix, commits 6aef271/519cdeb/ffe8daa): - PlcTag: add virtual GetValue()/SetValue(object) reflecting the concrete tag's public Value property, for generic tag value access. - POffsetInfoType: add virtual MaxStringLength(), returning 0 by default, UnspecifiedOffsetinfo1 for Array1Dim (string array max length), and Min(UnspecifiedOffsetinfo1, UnspecifiedOffsetinfo2) for String (fixes cases where firmware swaps both fields). All other changes from this fork package are already superseded by the target repo's own PlcTag/PlcTags implementation and are documented as excluded in package 16.
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Copilot review overview
🟡 Changes recommended
Native TLS operations remain concurrently accessible, and multidimensional string arrays report an incorrect maximum length.
Review effort: Balanced
Findings: 1
Open (2)
What changed in this PR
Adds generic PLC tag value access, string-length metadata, and synchronization around OpenSSL pending queues.
Changes:
- Adds boxed
GetValue/SetValuetag accessors. - Exposes maximum string lengths from offset metadata.
- Locks pending OpenSSL buffer queues.
| File | Description |
|---|---|
OpenSSLConnector.cs |
Synchronizes pending read/write queues. |
POffsetInfoType.cs |
Adds maximum string-length lookup. |
PlcTag.cs |
Adds generic boxed value accessors. |
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| private readonly object m_readListLock = new object(); | ||
| private readonly object m_writeListLock = new object(); |
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| // For a string array, UnspecifiedOffsetinfo1 carries the maximum string length of the array elements. | ||
| public override int MaxStringLength() { return UnspecifiedOffsetinfo1; } |
The string length is identical across all dimensions and is stored once in `UnspecifiedOffsetinfo1`.
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Contains the sources from branch feature/optimize-01