// Copyright CERN and copyright holders of ALICE O2. This software is

// distributed under the terms of the GNU General Public License v3 (GPL

// Version 3), copied verbatim in the file "COPYING".

//

// See http://alice-o2.web.cern.ch/license for full licensing information.

//

// In applying this license CERN does not waive the privileges and immunities

// granted to it by virtue of its status as an Intergovernmental Organization

// or submit itself to any jurisdiction.

#include "SimpleResourceManager.h"

#include "ComputingResource.h"

#include <exception>

#include <stdexcept>

namespace o2

{

namespace framework

{

/// The simplest implementation of this allocates mMaxPorts ports starting from

/// the mInitialPort. For now we still consider everything running on a single

/// machine.

std::vector<ComputingResource> SimpleResourceManager::getAvailableResources() {

std::vector<ComputingResource> result;

if ((mInitialPort < 1025) || ((mInitialPort + mMaxPorts) > 65535)) {

throw std::runtime_error("Invalid port number. Valid port range is 1025-65535");

}

// We insert them backwards for compatibility with the previous

// way of assigning them.

for (size_t i = mInitialPort + mMaxPorts - 1; i >= mInitialPort; --i) {

result.push_back(ComputingResource{

1.0,

1.0,

"localhost",

static_cast<unsigned short>(i)

});

};

return result;

}

} // namespace framework

} // namespace o2