Green-Sky/tomato
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conversion improvements

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Green Sky 2024-04-10 21:18:27 +02:00
parent 854ed851b4
commit 3796841961
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1 changed files with 28 additions and 2 deletions
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30
src/fragment_store/convert_frag_to_obj.cpp
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@ -2,6 +2,8 @@
#include "./backends/filesystem_storage.hpp"
#include "./meta_components.hpp"
#include <solanaceae/util/utils.hpp>
#include <nlohmann/json.hpp>
#include <filesystem>
@ -57,6 +59,31 @@ int main(int argc, const char** argv) {
bool onEvent(const ObjectStore::Events::ObjectConstruct& e) override {
assert(e.e.all_of<ObjComp::Ephemeral::MetaFileType>());
assert(e.e.all_of<ObjComp::ID>());
// !! we read the obj first, so we can discard empty objects
// technically we could just copy the file, but meh
// read src and write dst data
std::vector<uint8_t> tmp_buffer;
std::function<StorageBackendI::read_from_storage_put_data_cb> cb = [&tmp_buffer](const ByteSpan buffer) {
tmp_buffer.insert(tmp_buffer.end(), buffer.cbegin(), buffer.cend());
};
if (!_fsb_src.read(e.e, cb)) {
std::cerr << "failed to read obj '" << bin2hex(e.e.get<ObjComp::ID>().v) << "'\n";
return false;
}
if (tmp_buffer.empty()) {
std::cerr << "discarded empty obj '" << bin2hex(e.e.get<ObjComp::ID>().v) << "'\n";
return false;
}
{ // try getting lucky and see if its an empty json
const auto j = nlohmann::json::parse(tmp_buffer, nullptr, false);
if (j.is_array() && j.empty()) {
std::cerr << "discarded empty json array obj '" << bin2hex(e.e.get<ObjComp::ID>().v) << "'\n";
return false;
}
}
auto oh = _fsb_dst.newObject(e.e.get<ObjComp::Ephemeral::MetaFileType>().type, ByteSpan{e.e.get<ObjComp::ID>().v});
if (!static_cast<bool>(oh)) {
@ -84,8 +111,7 @@ int main(int argc, const char** argv) {
}
}
// read src and write dst data
static_cast<StorageBackendI&>(_fsb_dst).write(oh, ByteSpan{});
static_cast<StorageBackendI&>(_fsb_dst).write(oh, ByteSpan{tmp_buffer});
return false;
}