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author | Claudius 'keldu' Holeksa <mail@keldu.de> | 2024-07-15 15:29:12 +0200 |
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committer | Claudius 'keldu' Holeksa <mail@keldu.de> | 2024-07-15 15:29:12 +0200 |
commit | 816760c8480e8e76c7f4021a845161eb697e215c (patch) | |
tree | f18ef0578dab81e1f00798e9c897210236340b90 /modules/codec/c++ | |
parent | 5d92d62caa68473e67022debe45bf8038c6c3b60 (diff) |
Moving remote definitions from codec to remote module
Diffstat (limited to 'modules/codec/c++')
-rw-r--r-- | modules/codec/c++/remote.hpp | 116 | ||||
-rw-r--r-- | modules/codec/c++/remote_loopback.hpp | 99 | ||||
-rw-r--r-- | modules/codec/c++/remote_loopback_base.hpp | 7 | ||||
-rw-r--r-- | modules/codec/c++/transfer.hpp | 21 | ||||
-rw-r--r-- | modules/codec/c++/transfer_loopback.hpp | 152 |
5 files changed, 0 insertions, 395 deletions
diff --git a/modules/codec/c++/remote.hpp b/modules/codec/c++/remote.hpp deleted file mode 100644 index 5803154..0000000 --- a/modules/codec/c++/remote.hpp +++ /dev/null @@ -1,116 +0,0 @@ -#pragma once - -#include <forstio/id.hpp> -#include <forstio/async/async.hpp> - -#include "data.hpp" -#include "interface.hpp" - -#include <variant> - -namespace saw { -/** - * This class acts as a helper for rpc calls and representing data on the remote. - */ -template<typename T, typename Encoding, typename Storage> -class data_or_id { -private: - /** - * Variant representing the either id or data class. - */ - std::variant<id<T>, data<T,Encoding, Storage>> doi_; -public: - /** - * Constructor for instantiating. - */ - data_or_id(const id<T>& val): - doi_{val} - {} - - /** - * Constructor for instantiating. - */ - data_or_id(data<T,Encoding, Storage> val): - doi_{std::move(val)} - {} - - /** - * Check if this class holds an id. - */ - bool is_id() const { - return std::holds_alternative<id<T>>(doi_); - } - - /** - * Check if this class holds data. - */ - bool is_data() const { - return std::holds_alternative<data<T,Encoding,Storage>>(doi_); - } - - /** - * Returns the id. - */ - id<T> get_id() const { - return std::get<id<T>>(doi_); - } - - /** - * Return a data reference. - */ - data<T,Encoding, Storage>& get_data(){ - return std::get<data<T,Encoding, Storage>>(doi_); - } - - /** - * Return a data reference. - */ - const data<T,Encoding,Storage>& get_data() const { - return std::get<data<T,Encoding,Storage>>(doi_); - } -}; - - -/** - * Representing data on the remote - */ -template<typename T, typename Encoding, typename Storage, typename Remote> -class remote_data; - -template<typename Iface, typename Encoding, typename Storage, typename Remote> -class rpc_client; - -/** - * Implementation of a remote server on the backend - */ -template<typename Iface, typename Encoding, typename Storage, typename Remote> -class rpc_server { -private: - interface<Iface, Encoding, Storage> iface_; -public: - rpc_server(interface<Iface, Encoding, Storage> iface): - iface_{std::move(iface)} - {} -}; - -/** - * Representation of a remote. - * Partially similar to a network address - */ -template<typename Remote> -class remote_address { - static_assert(always_false<Remote>, "Type of remote not supported"); - - /** - * - */ -}; - -/** - * Reference Backend structure - */ -template<typename Remote> -class remote { - static_assert(always_false<Remote>, "Type of backend not supported"); -}; -} diff --git a/modules/codec/c++/remote_loopback.hpp b/modules/codec/c++/remote_loopback.hpp deleted file mode 100644 index 2949243..0000000 --- a/modules/codec/c++/remote_loopback.hpp +++ /dev/null @@ -1,99 +0,0 @@ -#pragma once - -#include <variant> - -#include "interface.hpp" -#include "remote.hpp" -#include "transfer_loopback.hpp" - -namespace saw { - -template<typename T, typename Encoding, typename Storage> -class remote_data<T, Encoding, Storage, rmt::Loopback> { -private: - id<T> id_; -public: - remote_data(const id<T>& id): - id_{id} - {} - - /** - * Wait until data arrives - */ - error_or<data<T, Encoding, Storage>> wait(wait_scope& wait); - - /** - * Asynchronously wait for a result - */ - conveyor<data<T, Encoding, Storage>> on_receive(); -}; - -/** - * Client RPC reference structure - */ -template<typename Iface, typename Encoding, typename Storage> -class rpc_client<Iface, Encoding, Storage, rmt::Loopback> { - /** - * request the data from the remote - */ - template<typename IdT> - remote_data<IdT, Encoding, Storage, rmt::Loopback> request_data(id<IdT> data); - - /** @todo - * Determine type based on Name - */ - /* - template<string_literal Name> - error_or< - id< - typename schema_member_type<Name, Iface>::type - > - > call(data_or_id<Input> inp); - */ -}; - -template<> -class remote_address<rmt::Loopback> { -}; - -template<typename Iface, typename Encode, typename Storage> -class rpc_server<Iface, Encode, Storage, rmt::Loopback> { -public: - using InterfaceT = interface<Iface, Encode, Storage>; -private: - const remote_address<rmt::Loopback>* addr_; - InterfaceT iface_; -public: - rpc_server(const remote_address<rmt::Loopback>& addr__, InterfaceT iface__): - addr_{&addr__}, - iface_{std::move(iface__)} - {} - - // error_or<id<>> -}; - -template<> -class remote<rmt::Loopback> { -public: - /** - * Resolves an address for the remote - */ - error_or<own<remote_address<rmt::Loopback>>> parse_address(){ - return heap<remote_address<rmt::Loopback>>(); - } - - /** - * Connect to a remote - */ - template<typename Iface, typename Encode, typename Storage> - conveyor<rpc_client<Iface, Encode, Storage, rmt::Loopback>> connect(const remote_address<rmt::Loopback>& addr); - - /** - * Start listening - */ - template<typename Iface, typename Encode, typename Storage> - rpc_server<Iface, Encode, Storage, rmt::Loopback> listen(const remote_address<rmt::Loopback>& addr, typename rpc_server<Iface,Encode,Storage,rmt::Loopback>::InterfaceT iface){ - return {addr, std::move(iface)}; - } -}; -} diff --git a/modules/codec/c++/remote_loopback_base.hpp b/modules/codec/c++/remote_loopback_base.hpp deleted file mode 100644 index 823c516..0000000 --- a/modules/codec/c++/remote_loopback_base.hpp +++ /dev/null @@ -1,7 +0,0 @@ -#pragma once - -namespace saw { -namespace rmt { -struct Loopback {}; -} -} diff --git a/modules/codec/c++/transfer.hpp b/modules/codec/c++/transfer.hpp deleted file mode 100644 index 2fdd0b9..0000000 --- a/modules/codec/c++/transfer.hpp +++ /dev/null @@ -1,21 +0,0 @@ -#pragma once - -namespace saw { -template<typename Schema, typename Encoding, typename Remote> -class data_server; - -template<typename Schema, typename Encoding, typename Remote> -class data_client; - -namespace impl { -template<typename Encoding, typename Storage, typename T> -struct data_server_redux { - using type = std::tuple<>; -}; - -template<typename Encoding, typename Storage, typename... Schema> -struct data_server_redux<Encoding, Storage, tmpl_group<Schema...>> { - using type = std::tuple<std::unordered_map<uint64_t, data<Schema, Encoding, Storage>>...>; -}; -} -} diff --git a/modules/codec/c++/transfer_loopback.hpp b/modules/codec/c++/transfer_loopback.hpp deleted file mode 100644 index 6c81c9c..0000000 --- a/modules/codec/c++/transfer_loopback.hpp +++ /dev/null @@ -1,152 +0,0 @@ -#pragma once - -#include <forstio/reduce_templates.hpp> - -#include "transfer.hpp" - -namespace saw { -namespace rmt { -struct Loopback {}; -} - -template<typename... Schema, typename Encoding> -class data_server<tmpl_group<Schema...>, Encoding, rmt::Loopback> { -private: - typename impl::data_server_redux<Encoding, storage::Default, typename tmpl_reduce<tmpl_group<Schema...>>::type>::type values_; -public: - /** - * Get data from client - */ - template<typename Sch> - error_or<void> send(const data<Sch, Encoding, storage::Default>& dat, id<Sch> store_id){ - auto& vals = std::get<std::unordered_map<uint64_t, data<Sch,Encoding>>>(values_); - - try { - auto insert_res = vals.emplace(std::make_pair(store_id.get_value(), std::move(dat))); - 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<data<Sch, Encoding, storage::Default>> receive(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>(); - } - - auto& dat = find_res->second; - return dat; - } - - 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{}; - } - - template<typename Sch> - error_or<data<Sch, Encoding, storage::Default>*> 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>(); - } - - auto& dat = find_res->second; - return &dat; - } -}; - -/** - * Client for transporting data to remote and receiving data back - */ -template<typename... Schema, typename Encoding> -class data_client<tmpl_group<Schema...>, Encoding, rmt::Loopback> { -private: - /** - * Corresponding server for this client - */ - data_server<tmpl_group<Schema...>, Encoding, rmt::Loopback>* 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::Loopback>& srv__): - srv_{&srv__}, - next_id_{0u} - {} - - /** - * Send data to the remote. - */ - template<typename Sch> - error_or<id<Sch>> send(const data<Sch, Encoding, storage::Default>& 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, storage::Default>> 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); - } - - /** - * An exception for the Loopback backend. Here we can safely use find from - * the client side. - */ - template<typename Sch> - error_or<data<Sch, Encoding>*> find(id<Sch> dat_id){ - auto eov = srv_->find(dat_id); - if(eov.is_error()){ - auto& err = eov.get_error(); - return std::move(err); - } - - auto val = eov.get_value(); - return val; - } - -}; - -} |