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#include "pb_map.h"

namespace triton { namespace backend { namespace python {

std::unique_ptr<PbMap>

PbMap::Create(

std::unique_ptr<SharedMemoryManager>& shm_pool,

std::unordered_map<std::string, std::string>& map)

{

std::vector<std::unique_ptr<PbString>> strings;

AllocatedSharedMemory<DictShm> dict_shm = shm_pool->Construct<DictShm>();

dict_shm.data_->length = map.size();

AllocatedSharedMemory<PairShm> pair_shms =

shm_pool->Construct<PairShm>(map.size());

dict_shm.data_->values = pair_shms.handle_;

size_t i = 0;

for (auto& pair : map) {

auto key = PbString::Create(shm_pool, pair.first);

auto value = PbString::Create(shm_pool, pair.second);

(pair_shms.data_.get())[i].key = key->ShmHandle();

(pair_shms.data_.get())[i].value = value->ShmHandle();

strings.emplace_back(std::move(key));

strings.emplace_back(std::move(value));

i++;

}

return std::unique_ptr<PbMap>(new PbMap(strings, dict_shm, pair_shms, map));

}

const std::unordered_map<std::string, std::string>&

PbMap::UnorderedMap()

{

return map_;

}

bi::managed_external_buffer::handle_t

PbMap::ShmHandle()

{

return dict_handle_;

}

std::unique_ptr<PbMap>

PbMap::LoadFromSharedMemory(

std::unique_ptr<SharedMemoryManager>& shm_pool,

bi::managed_external_buffer::handle_t handle)

{

AllocatedSharedMemory<DictShm> dict_shm = shm_pool->Load<DictShm>(handle);

AllocatedSharedMemory<PairShm> pair_shms =

shm_pool->Load<PairShm>(dict_shm.data_->values);

std::vector<std::unique_ptr<PbString>> pb_strings;

std::unordered_map<std::string, std::string> map;

for (size_t i = 0; i < dict_shm.data_->length; i++) {

std::unique_ptr<PbString> key = PbString::LoadFromSharedMemory(

shm_pool, (pair_shms.data_.get())[i].key);

std::unique_ptr<PbString> value = PbString::LoadFromSharedMemory(

shm_pool, (pair_shms.data_.get())[i].value);

map.insert({key->String(), value->String()});

pb_strings.emplace_back(std::move(key));

pb_strings.emplace_back(std::move(value));

}

return std::unique_ptr<PbMap>(

new PbMap(pb_strings, dict_shm, pair_shms, map));

}

PbMap::PbMap(

std::vector<std::unique_ptr<PbString>>& strings,

AllocatedSharedMemory<DictShm>& dict_shm,

AllocatedSharedMemory<PairShm>& pair_shms,

std::unordered_map<std::string, std::string>& map)

: strings_(std::move(strings)), dict_shm_(std::move(dict_shm)),

pair_shms_(std::move(pair_shms)), map_(std::move(map))

{

dict_handle_ = dict_shm.handle_;

}

}}} // namespace triton::backend::python