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#pragma once
#include "common.hpp"
#include "data.hpp"
#include "device.hpp"
#include <forstio/error.hpp>
#include <forstio/reduce_templates.hpp>
#include <forstio/remote/transfer.hpp>
namespace saw {
template<typename Schema, typename Encoding>
class data_server<Schema, Encoding, rmt::Sycl> final : public i_data_server<rmt::Sycl> {
private:
our<device<rmt::Sycl>> device_;
std::map<uint64_t, data<Schema, encode::Sycl<Encoding>>> values_;
public:
data_server(our<device<rmt::Sycl>> device__):
device_{std::move(device__)}
{}
error_or<void> send(const data<Schema,Encoding>& dat, id<Schema> store_id){
auto eo_val = device_->template copy_to_device(dat);
if(eo_val.is_error()){
auto& err = eo_val.get_error();
return std::move(err);
}
auto& val = eo_val.get_value();
try {
auto insert_res = values_.emplace(std::make_pair(store_id.get_value(), std::move(val)));
if(!insert_res.second){
return make_error<err::already_exists>();
}
}catch(const std::exception&){
return make_error<err::out_of_memory>();
}
return make_void();
}
error_or<void> allocate(const data<typename meta_schema<Schema>::MetaSchema, Encoding>& dat, id<Schema> store_id){
return make_error<err::not_implemented>("Allocate not implemented");
return make_void();
}
error_or<data<Schema,Encoding>> receive(id<Schema> store_id){
return make_error<err::not_implemented>("Receive not implemented");
}
error_or<void> erase(id<Schema> store_id){
return make_error<err::not_implemented>("Erase not implemented");
return make_void();
}
error_or<ptr<data<Schema, encode::Sycl<Encoding>>>> find(id<Schema> store_id){
auto find_res = values_.find(store_id.get_value());
if(find_res == values_.end()){
return make_error<err::not_found>();
}
return {(find_res.second)};
}
};
template<typename... Schema, typename Encoding>
class data_server<tmpl_group<Schema...>, Encoding, rmt::Sycl> {
private:
/**
* Device context class
*/
our<device<rmt::Sycl>> device_;
/**
* Store for the data the server manages.
*/
typename impl::data_server_redux<encode::Sycl<Encoding>, typename tmpl_reduce<tmpl_group<Schema...>>::type >::type values_;
public:
/**
* Main constructor
*/
data_server(our<device<rmt::Sycl>> device__):
device_{std::move(device__)}
{}
/**
* Get data which we will store.
*/
template<typename Sch>
error_or<void> send(const data<Sch, Encoding>& dat, id<Sch> store_id){
auto& vals = std::get<std::unordered_map<uint64_t, data<Sch,encode::Sycl<Encoding>>>>(values_);
auto eoval = device_->template copy_to_device<Sch, Encoding>(dat);
if(eoval.is_error()){
auto& err = eoval.get_error();
return std::move(err);
}
auto& val = eoval.get_value();
try {
auto insert_res = vals.insert(std::make_pair(store_id.get_value(), std::move(val)));
if(!insert_res.second){
return make_error<err::already_exists>();
}
}catch ( std::exception& ){
return make_error<err::out_of_memory>();
}
return void_t{};
}
template<typename Sch>
error_or<void> allocate(const data<typename meta_schema<Sch>::MetaSchema, Encoding>& dat, id<Sch> store_id){
auto& vals = std::get<std::unordered_map<uint64_t, data<Sch,encode::Sycl<Encoding>>>>(values_);
auto eoval = device_->template allocate_on_device<Sch, Encoding>(dat);
if(eoval.is_error()){
auto& err = eoval.get_error();
return std::move(err);
}
auto& val = eoval.get_value();
try {
auto insert_res = vals.insert(std::make_pair(store_id.get_value(), std::move(val)));
if(!insert_res.second){
return make_error<err::already_exists>();
}
}catch ( std::exception& ){
return make_error<err::out_of_memory>();
}
return void_t{};
}
/**
* Requests data from the server
*/
template<typename Sch>
error_or<data<Sch, Encoding>> receive(id<Sch> store_id){
auto& vals = std::get<std::unordered_map<uint64_t, data<Sch,encode::Sycl<Encoding>>>>(values_);
auto find_res = vals.find(store_id.get_value());
if(find_res == vals.end()){
return make_error<err::not_found>();
}
auto& dat = find_res->second;
auto eoval = device_->template copy_to_host<Sch, Encoding>(dat);
return eoval;
}
/**
* Request an erase of the stored data
*/
template<typename Sch>
error_or<void> erase(id<Sch> store_id){
auto& vals = std::get<std::unordered_map<uint64_t, data<Sch,Encoding>>>(values_);
auto erase_op = vals.erase(store_id.get_value());
if(erase_op == 0u){
return make_error<err::not_found>();
}
return void_t{};
}
/**
* Get the stored data on the server side for immediate use.
* Insert operations may invalidate the pointer.
*/
template<typename Sch>
error_or<data<Sch, encode::Sycl<Encoding>>*> find(id<Sch> store_id){
auto& vals = std::get<std::unordered_map<uint64_t, data<Sch,Encoding>>>(values_);
auto find_res = vals.find(store_id.get_value());
if(find_res == vals.end()){
return make_error<err::not_found>();
}
return &(find_res.second);
}
};
/**
* Client for transporting data to remote and receiving data back
*/
template<typename... Schema, typename Encoding>
class data_client<tmpl_group<Schema...>, Encoding, rmt::Sycl> {
private:
/**
* Corresponding server for this client
*/
data_server<tmpl_group<Schema...>, Encoding, rmt::Sycl>* srv_;
/**
* The next id for identifying issues on the remote side.
*/
uint64_t next_id_;
public:
/**
* Main constructor
*/
data_client(data_server<tmpl_group<Schema...>, Encoding, rmt::Sycl>& srv__):
srv_{&srv__},
next_id_{0u}
{}
/**
* Send data to the remote.
*/
template<typename Sch>
error_or<id<Sch>> send(const data<Sch, Encoding>& dat){
id<Sch> dat_id{next_id_};
auto eov = srv_->send(dat, dat_id);
if(eov.is_error()){
auto& err = eov.get_error();
return std::move(err);
}
++next_id_;
return dat_id;
}
/**
* Receive data
*/
template<typename Sch>
conveyor<data<Sch, Encoding>> receive(id<Sch> dat_id){
auto eov = srv_->receive(dat_id);
if(eov.is_error()){
auto& err = eov.get_error();
return std::move(err);
}
auto& val = eov.get_value();
return std::move(val);
}
/**
* Erase data
*/
template<typename Sch>
error_or<void> erase(id<Sch> dat_id){
return srv_->erase(dat_id);
}
};
}
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