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Connecting to AliEn #5866

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Merged
jgrosseo merged 1 commit into from
Apr 7, 2021
Merged

Connecting to AliEn #5866

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2 changes: 1 addition & 1 deletion Analysis/Core/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@ o2_target_root_dictionary(AnalysisCore
o2_add_executable(merger
COMPONENT_NAME aod
SOURCES src/AODMerger.cxx
PUBLIC_LINK_LIBRARIES ROOT::Hist ROOT::Core)
PUBLIC_LINK_LIBRARIES ROOT::Hist ROOT::Core ROOT::Net)

if(FastJet_FOUND)
o2_add_library(AnalysisJets
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8 changes: 8 additions & 0 deletions Analysis/Core/src/AODMerger.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
#include "TList.h"
#include "TDirectory.h"
#include "TObjString.h"
#include <TGrid.h>

// AOD merger with correct index rewriting
// No need to know the datamodel because the branch names follow a canonical standard (identified by fIndex)
Expand Down Expand Up @@ -71,13 +72,20 @@ int main(int argc, char* argv[])
std::ifstream in;
in.open(inputCollection);
TString line;
bool connectedToAliEn = false;
while (in.good()) {
in >> line;

if (line.Length() == 0) {
continue;
}

if (line.BeginsWith("alien:") && !connectedToAliEn) {
printf("Connecting to AliEn...");
TGrid::Connect("alien:");
connectedToAliEn = true; // Only try once
}

printf("Processing input file: %s\n", line.Data());

auto inputFile = TFile::Open(line);
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