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Fix model extract race issue to all classes

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This commit is contained in:
Tuan Nghia Nguyen
2026-04-24 12:19:54 +10:00
parent baa88bcc48
commit e2bf17289d
51 changed files with 1252 additions and 148 deletions
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18
modules/ANSLPR/ANSLPR_OCR.cpp
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@@ -177,6 +177,15 @@ namespace ANSCENTER
this->_logger.LogError("ANSALPR_OCR::Initialize", "Output model folder does not exist: " + _modelFolder, __FILE__, __LINE__);
return false;
}
// Serialize init against concurrent extract re-entries on the same
// folder. See ModelFolderLockGuard in Utility.h.
ANSCENTER::ModelFolderLockGuard _flg(_modelFolder, "ANSALPR_OCR::Initialize");
if (!_flg.acquired()) {
this->_logger.LogError("ANSALPR_OCR::Initialize",
"Timed out waiting for model-folder lock: " + _modelFolder,
__FILE__, __LINE__);
return false;
}
// Check country from country.txt
std::string countryFile = CreateFilePath(_modelFolder, "country.txt");
@@ -216,6 +225,15 @@ namespace ANSCENTER
bool ANSALPR_OCR::LoadEngine() {
std::lock_guard<std::recursive_mutex> lock(_mutex);
try {
// Serialize init against concurrent extract re-entries on the same
// folder. See ModelFolderLockGuard in Utility.h.
ANSCENTER::ModelFolderLockGuard _flg(_modelFolder, "ANSALPR_OCR::LoadEngine");
if (!_flg.acquired()) {
this->_logger.LogError("ANSALPR_OCR::LoadEngine",
"Timed out waiting for model-folder lock: " + _modelFolder,
__FILE__, __LINE__);
return false;
}
WriteEventLog("ANSALPR_OCR::LoadEngine: Step 1 - Starting engine load");
this->_logger.LogInfo("ANSALPR_OCR::LoadEngine", "Step 1: Starting engine load", __FILE__, __LINE__);