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[6.34] Backports for ATLAS FastFrames framework #17798

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Merged
vepadulano merged 5 commits into from
Mar 5, 2025
Merged

[6.34] Backports for ATLAS FastFrames framework #17798

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deea0ea
[io] Silently fallback if full xroot path is not found on EOS
vepadulano Aug 6, 2024
8158b40
[df] Fix interaction between RSampleInfo and redirected EOS paths
vepadulano Jan 28, 2025
e3b9e68
[tree] Fix interaction between GetEntries and GetListOfFriends
vepadulano Feb 25, 2025
66d44a6
TChain::GetEntries apply FriendLockStatus.
pcanal Mar 3, 2025
8c05b8c
TTreeIndex::GetEntryNumberFriend don't call GetEntriesFast.
pcanal Mar 3, 2025
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20 changes: 13 additions & 7 deletions io/io/src/TFile.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -4116,13 +4116,19 @@ TFile *TFile::Open(const char *url, Option_t *options, const char *ftitle,
ssize_t len = getxattr(fileurl.GetFile(), "eos.url.xroot", nullptr, 0);
if (len > 0) {
std::string xurl(len, 0);
if (getxattr(fileurl.GetFile(), "eos.url.xroot", &xurl[0], len) == len) {
if ((f = TFile::Open(xurl.c_str(), options, ftitle, compress, netopt))) {
if (!f->IsZombie()) {
return f;
} else {
delete f;
f = nullptr;
std::string fileNameFromUrl{fileurl.GetFile()};
if (getxattr(fileNameFromUrl.c_str(), "eos.url.xroot", &xurl[0], len) == len) {
// Sometimes the `getxattr` call may return an invalid URL due
// to the POSIX attribute not being yet completely filled by EOS.
if (auto baseName = fileNameFromUrl.substr(fileNameFromUrl.find_last_of("/") + 1);
std::equal(baseName.crbegin(), baseName.crend(), xurl.crbegin())) {
if ((f = TFile::Open(xurl.c_str(), options, ftitle, compress, netopt))) {
if (!f->IsZombie()) {
return f;
} else {
delete f;
f = nullptr;
}
}
}
}
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