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#include "gmxpre.h"

#include "threadaffinitytest.h"

#include "config.h"

#include <memory>

#include <gmock/gmock.h>

#include "gromacs/hardware/hardwaretopology.h"
#include "gromacs/mdtypes/commrec.h"
#include "gromacs/utility/basenetwork.h"
#include "gromacs/utility/gmxmpi.h"
#include "gromacs/utility/smalloc.h"

namespace gmx
{
namespace test
{

MockThreadAffinityAccess::MockThreadAffinityAccess() : supported_(true)
{
    using ::testing::_;
    using ::testing::Return;
    ON_CALL(*this, setCurrentThreadAffinityToCore(_)).WillByDefault(Return(true));
}

MockThreadAffinityAccess::~MockThreadAffinityAccess() {}


ThreadAffinityTestHelper::ThreadAffinityTestHelper()
{
    snew(cr_, 1);
    cr_->nnodes = gmx_node_num();
    cr_->nodeid = gmx_node_rank();
    // Default communicator is needed for [SIM]MASTER(cr) to work
    // TODO: Should get cleaned up once thread affinity works with
    //       communicators rather than the full cr (part of #2395)
    cr_->sizeOfDefaultCommunicator = gmx_node_num();
    cr_->rankInDefaultCommunicator = gmx_node_rank();
    cr_->duty                      = DUTY_PP;
#if GMX_MPI
    cr_->mpi_comm_mysim = MPI_COMM_WORLD;
#endif
    hwOpt_.threadAffinity      = ThreadAffinity::Auto;
    hwOpt_.totNumThreadsIsAuto = false;
    physicalNodeId_            = 0;
}

ThreadAffinityTestHelper::~ThreadAffinityTestHelper()
{
    sfree(cr_);
}

void ThreadAffinityTestHelper::setLogicalProcessorCount(int logicalProcessorCount)
{
    hwTop_ = std::make_unique<HardwareTopology>(logicalProcessorCount);
}

} // namespace test
} // namespace gmx
