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Change the selection of the most recent level 2 scan to avoid certain

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improper removal from causing issues.
This commit is contained in:
AdenKoperczak 2025-04-08 16:18:45 -04:00
parent 314d3f5b9b
commit 1f0d2a7a66
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GPG key ID: 9843017036F62EE7
1 changed files with 40 additions and 37 deletions
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77
wxdata/source/scwx/provider/aws_level2_chunks_data_provider.cpp
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@ -367,7 +367,6 @@ AwsLevel2ChunksDataProvider::Impl::ListObjects()
scanPrefix);
}
int lastScanNumber = -1;
// Start with last scan
int previousScanNumber = scanNumberMap.crbegin()->first;
const int firstScanNumber = scanNumberMap.cbegin()->first;
@ -375,50 +374,54 @@ AwsLevel2ChunksDataProvider::Impl::ListObjects()
// Look for a gap in scan numbers. This indicates that is the latest
// scan.
// This indicates that highest number scan is the last scan
auto possibleLastNumbers = std::unordered_set<int>();
// This indicates that highest number scan may be the last scan
// (including if there is only 1 scan)
// NOLINTNEXTLINE(cppcoreguidelines-avoid-magic-numbers)
if (previousScanNumber != 999 || scans.size() == 1)
if (previousScanNumber != 999 || firstScanNumber != 1)
{
lastScanNumber = previousScanNumber;
possibleLastNumbers.emplace(previousScanNumber);
}
else
// Have already checked scan with highest number, so skip first
previousScanNumber = firstScanNumber;
bool first = true;
for (const auto& scan : scanNumberMap)
{
// Have already checked scan with highest number, so skip first
previousScanNumber = firstScanNumber;
bool first = true;
for (const auto& scan : scanNumberMap)
if (first)
{
if (first)
{
first = false;
continue;
}
if (scan.first != previousScanNumber + 1)
{
lastScanNumber = previousScanNumber;
break;
}
previousScanNumber = scan.first;
first = false;
continue;
}
if (scan.first != previousScanNumber + 1)
{
possibleLastNumbers.emplace(previousScanNumber);
}
previousScanNumber = scan.first;
}
if (possibleLastNumbers.empty())
{
logger_->warn("Could not find last scan");
// TODO make sure this makes sence
return {false, 0, 0};
}
int lastScanNumber = -1;
std::chrono::system_clock::time_point lastScanTime = {};
std::string lastScanPrefix;
for (const int scanNumber : possibleLastNumbers)
{
const std::string& scanPrefix = scanNumberMap.at(scanNumber);
auto scanTime = GetScanTime(scanPrefix);
if (scanTime > lastScanTime)
{
lastScanTime = scanTime;
lastScanPrefix = scanPrefix;
lastScanNumber = scanNumber;
}
}
if (lastScanNumber == -1)
{
// 999 is the last scan
if (firstScanNumber != 1)
{
lastScanNumber = previousScanNumber;
}
else
{
logger_->warn("Could not find last scan");
// TODO make sure this makes sence
return {false, 0, 0};
}
}
const std::string& lastScanPrefix = scanNumberMap.at(lastScanNumber);
const int secondLastScanNumber =
// 999 is the last file possible
// NOLINTNEXTLINE(cppcoreguidelines-avoid-magic-numbers)
@ -452,7 +455,7 @@ AwsLevel2ChunksDataProvider::Impl::ListObjects()
currentScan_.valid_ = true;
currentScan_.prefix_ = lastScanPrefix;
currentScan_.nexradFile_ = nullptr;
currentScan_.time_ = GetScanTime(lastScanPrefix);
currentScan_.time_ = lastScanTime;
currentScan_.lastModified_ = {};
currentScan_.secondLastModified_ = {};
currentScan_.lastKey_ = "";