tomato/src/fragment_store/message_serializer.cpp

95 lines
3.0 KiB
C++

#include "./message_serializer.hpp"
#include <solanaceae/message3/components.hpp>
#include <solanaceae/contact/components.hpp>
#include <nlohmann/json.hpp>
#include <iostream>
template<>
bool MessageSerializerCallbacks::component_get_json<Message::Components::ContactFrom>(MessageSerializerCallbacks& msc, const Handle h, nlohmann::json& j) {
const Contact3 c = h.get<Message::Components::ContactFrom>().c;
if (!msc.cr.valid(c)) {
// while this is invalid registry state, it is valid serialization
j = nullptr;
std::cerr << "MSC warning: encountered invalid contact\n";
return true;
}
if (!msc.cr.all_of<Contact::Components::ID>(c)) {
// unlucky, this contact is purely ephemeral
j = nullptr;
std::cerr << "MSC warning: encountered contact without ID\n";
return true;
}
j = nlohmann::json::binary(msc.cr.get<Contact::Components::ID>(c).data);
return true;
}
template<>
bool MessageSerializerCallbacks::component_emplace_or_replace_json<Message::Components::ContactFrom>(MessageSerializerCallbacks& msc, Handle h, const nlohmann::json& j) {
if (j.is_null()) {
std::cerr << "MSC warning: encountered null contact\n";
h.emplace_or_replace<Message::Components::ContactFrom>();
return true;
}
const std::vector<uint8_t> id = j.is_binary()?j:j["bytes"];
// TODO: id lookup table, this is very inefficent
for (const auto& [c_it, id_it] : msc.cr.view<Contact::Components::ID>().each()) {
if (id == id_it.data) {
h.emplace_or_replace<Message::Components::ContactFrom>(c_it);
return true;
}
}
// TODO: should we really return false if the contact is unknown??
return false;
}
template<>
bool MessageSerializerCallbacks::component_get_json<Message::Components::ContactTo>(MessageSerializerCallbacks& msc, const Handle h, nlohmann::json& j) {
const Contact3 c = h.get<Message::Components::ContactTo>().c;
if (!msc.cr.valid(c)) {
// while this is invalid registry state, it is valid serialization
j = nullptr;
std::cerr << "MSC warning: encountered invalid contact\n";
return true;
}
if (!msc.cr.all_of<Contact::Components::ID>(c)) {
// unlucky, this contact is purely ephemeral
j = nullptr;
std::cerr << "MSC warning: encountered contact without ID\n";
return true;
}
j = nlohmann::json::binary(msc.cr.get<Contact::Components::ID>(c).data);
return true;
}
template<>
bool MessageSerializerCallbacks::component_emplace_or_replace_json<Message::Components::ContactTo>(MessageSerializerCallbacks& msc, Handle h, const nlohmann::json& j) {
if (j.is_null()) {
std::cerr << "MSC warning: encountered null contact\n";
h.emplace_or_replace<Message::Components::ContactTo>();
return true;
}
const std::vector<uint8_t> id = j.is_binary()?j:j["bytes"];
// TODO: id lookup table, this is very inefficent
for (const auto& [c_it, id_it] : msc.cr.view<Contact::Components::ID>().each()) {
if (id == id_it.data) {
h.emplace_or_replace<Message::Components::ContactTo>(c_it);
return true;
}
}
// TODO: should we really return false if the contact is unknown??
return false;
}