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[MCH] add protection against missing object #14024

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Merged
davidrohr merged 1 commit into from
Mar 7, 2025
Merged

[MCH] add protection against missing object #14024

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20 changes: 19 additions & 1 deletion Detectors/MUON/MCH/Conditions/src/bad-channels-ccdb.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -100,7 +100,12 @@ std::set<uint64_t> listTSWhenBadChannelsChange(const std::string ccdbUrl, const
std::string currentETag{};
for (auto itTS = tsChanges.begin(); itTS != tsChanges.end();) {
auto headers = api.retrieveHeaders(source, metadata, *itTS);
if (headers["ETag"] == currentETag) {
if (headers["ETag"].empty()) {
std::cout << "- Warning: missing file" << std::endl;
auto validUntil = (std::next(itTS) != tsChanges.end()) ? *std::next(itTS) : endTimestamp;
std::cout << fmt::format(" validity range: {} - {}\n", *itTS, validUntil);
++itTS;
} else if (headers["ETag"] == currentETag) {
itTS = tsChanges.erase(itTS);
} else {
if (verbose) {
Expand Down Expand Up @@ -129,6 +134,19 @@ BadChannelsVector queryBadChannels(const std::string ccdbUrl,
std::map<std::string, std::string> metadata;
auto source = ccdbPath(badChannelType);
auto* badChannels = api.retrieveFromTFileAny<BadChannelsVector>(source, metadata, timestamp);
if (badChannels == nullptr) {
std::cout << "do you want to proceed anyway? [y/n] ";
std::string response{};
while (true) {
std::cin >> response;
if (response == "y") {
std::cout << "number of bad channels = 0" << std::endl;
return {};
} else if (response == "n") {
exit(3);
}
}
}
std::cout << "number of bad channels = " << badChannels->size() << std::endl;
if (verbose) {
for (const auto& badChannel : *badChannels) {
Expand Down