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introduce message fragments version 2 (msgpack)

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more smaller refactors
This commit is contained in:
Green Sky 2024-04-13 19:13:18 +02:00
parent 498b4435c7
commit f287348550
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6 changed files with 88 additions and 40 deletions
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22
src/fragment_store/internal_mfs_contexts.cpp
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@ -26,7 +26,7 @@ static bool isLess(const std::vector<uint8_t>& lhs, const std::vector<uint8_t>&
}
bool Message::Contexts::ContactFragments::insert(ObjectHandle frag) {
if (frags.contains(frag)) {
if (sorted_frags.contains(frag)) {
return false;
}
@ -85,22 +85,22 @@ bool Message::Contexts::ContactFragments::insert(ObjectHandle frag) {
sorted_end.insert(pos, frag);
}
frags.emplace(frag, InternalEntry{begin_index, end_index});
sorted_frags.emplace(frag, InternalEntry{begin_index, end_index});
// now adjust all indicies of fragments coming after the insert position
for (size_t i = begin_index + 1; i < sorted_begin.size(); i++) {
frags.at(sorted_begin[i]).i_b = i;
sorted_frags.at(sorted_begin[i]).i_b = i;
}
for (size_t i = end_index + 1; i < sorted_end.size(); i++) {
frags.at(sorted_end[i]).i_e = i;
sorted_frags.at(sorted_end[i]).i_e = i;
}
return true;
}
bool Message::Contexts::ContactFragments::erase(Object frag) {
auto frags_it = frags.find(frag);
if (frags_it == frags.end()) {
auto frags_it = sorted_frags.find(frag);
if (frags_it == sorted_frags.end()) {
return false;
}
@ -110,7 +110,7 @@ bool Message::Contexts::ContactFragments::erase(Object frag) {
sorted_begin.erase(sorted_begin.begin() + frags_it->second.i_b);
sorted_end.erase(sorted_end.begin() + frags_it->second.i_e);
frags.erase(frags_it);
sorted_frags.erase(frags_it);
return true;
}
@ -118,8 +118,8 @@ bool Message::Contexts::ContactFragments::erase(Object frag) {
Object Message::Contexts::ContactFragments::prev(Object frag) const {
// uses range begin to go back in time
auto it = frags.find(frag);
if (it == frags.end()) {
auto it = sorted_frags.find(frag);
if (it == sorted_frags.end()) {
return entt::null;
}
@ -134,8 +134,8 @@ Object Message::Contexts::ContactFragments::prev(Object frag) const {
Object Message::Contexts::ContactFragments::next(Object frag) const {
// uses range end to go forward in time
auto it = frags.find(frag);
if (it == frags.end()) {
auto it = sorted_frags.find(frag);
if (it == sorted_frags.end()) {
return entt::null;
}

2
src/fragment_store/internal_mfs_contexts.hpp
View File

@ -23,7 +23,7 @@ namespace Message::Contexts {
size_t i_b;
size_t i_e;
};
entt::dense_map<Object, InternalEntry> frags;
entt::dense_map<Object, InternalEntry> sorted_frags;
// add 2 sorted contact lists for both range begin and end
// TODO: adding and removing becomes expensive with enough frags, consider splitting or heap

81
src/fragment_store/message_fragment_store.cpp
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@ -5,6 +5,9 @@
#include <solanaceae/object_store/serializer_json.hpp>
#include "../json/message_components.hpp"
#include "messages_meta_components.hpp"
#include "nlohmann/json_fwd.hpp"
#include "solanaceae/util/span.hpp"
#include <solanaceae/util/utils.hpp>
@ -55,7 +58,16 @@ static nlohmann::json loadFromStorageNJ(ObjectHandle oh) {
return false;
}
return nlohmann::json::parse(tmp_buffer, nullptr, false);
const auto obj_version = oh.get<ObjComp::MessagesVersion>().v;
if (obj_version == 1) {
return nlohmann::json::parse(tmp_buffer, nullptr, false);
} else if (obj_version == 2) {
return nlohmann::json::from_msgpack(tmp_buffer, true, false);
} else {
assert(false);
return {};
}
}
void MessageFragmentStore::handleMessage(const Message3Handle& m) {
@ -228,13 +240,13 @@ void MessageFragmentStore::handleMessage(const Message3Handle& m) {
m.emplace_or_replace<Message::Components::Obj>(fragment_id);
// in this case we know the fragment needs an update
for (const auto& it : _fuid_save_queue) {
for (const auto& it : _frag_save_queue) {
if (it.id == fragment_id) {
// already in queue
return; // done
}
}
_fuid_save_queue.push_back({Message::getTimeMS(), {_os.registry(), fragment_id}, m.registry()});
_frag_save_queue.push_back({Message::getTimeMS(), {_os.registry(), fragment_id}, m.registry()});
return; // done
}
@ -253,7 +265,7 @@ void MessageFragmentStore::handleMessage(const Message3Handle& m) {
if (fid_open.contains(msg_fh)) {
// TODO: dedup events
// TODO: cooldown per fragsave
_fuid_save_queue.push_back({Message::getTimeMS(), msg_fh, m.registry()});
_frag_save_queue.push_back({Message::getTimeMS(), msg_fh, m.registry()});
return;
}
@ -269,7 +281,20 @@ void MessageFragmentStore::handleMessage(const Message3Handle& m) {
// need update from frag
void MessageFragmentStore::loadFragment(Message3Registry& reg, ObjectHandle fh) {
std::cout << "MFS: loadFragment\n";
const auto j = loadFromStorageNJ(fh);
// version HAS to be set, or we just fail
if (!fh.all_of<ObjComp::MessagesVersion>()) {
std::cerr << "MFS error: nope, object without version, cant load\n";
return;
}
nlohmann::json j;
const auto obj_version = fh.get<ObjComp::MessagesVersion>().v;
if (obj_version == 1 || obj_version == 2) {
j = loadFromStorageNJ(fh); // also handles version and json/msgpack
} else {
std::cerr << "MFS error: nope, object with unknown version, cant load\n";
return;
}
if (!j.is_array()) {
// wrong data
@ -377,7 +402,7 @@ bool MessageFragmentStore::syncFragToStorage(ObjectHandle fh, Message3Registry&
// TODO: does every message have ts?
auto msg_view = reg.view<Message::Components::Timestamp>();
// we also assume all messages have fid
// we also assume all messages have an associated object
for (auto it = msg_view.rbegin(), it_end = msg_view.rend(); it != it_end; it++) {
const Message3 m = *it;
@ -385,12 +410,13 @@ bool MessageFragmentStore::syncFragToStorage(ObjectHandle fh, Message3Registry&
continue;
}
// require msg for now
// filter: require msg for now
// this will be removed in the future
if (!reg.any_of<Message::Components::MessageText/*, Message::Components::Transfer::FileInfo*/>(m)) {
continue;
}
if (_fuid_save_queue.front().id != reg.get<Message::Components::Obj>(m).o) {
if (_frag_save_queue.front().id != reg.get<Message::Components::Obj>(m).o) {
continue; // not ours
}
@ -430,13 +456,20 @@ bool MessageFragmentStore::syncFragToStorage(ObjectHandle fh, Message3Registry&
// we cant skip if array is empty (in theory it will not be empty later on)
// if save as binary
//nlohmann::json::to_msgpack(j);
auto j_dump = j.dump(2, ' ', true);
std::vector<uint8_t> data_to_save;
const auto obj_version = fh.get_or_emplace<ObjComp::MessagesVersion>().v;
if (obj_version == 1) {
auto j_dump = j.dump(2, ' ', true);
data_to_save = std::vector<uint8_t>(j_dump.cbegin(), j_dump.cend());
} else if (obj_version == 2) {
data_to_save = nlohmann::json::to_msgpack(j);
} else {
std::cerr << "MFS error: unknown object version\n";
assert(false);
}
assert(fh.all_of<ObjComp::Ephemeral::Backend>());
auto* backend = fh.get<ObjComp::Ephemeral::Backend>().ptr;
//if (_os.syncToStorage(fh, reinterpret_cast<const uint8_t*>(j_dump.data()), j_dump.size())) {
if (backend->write(fh, {reinterpret_cast<const uint8_t*>(j_dump.data()), j_dump.size()})) {
if (backend->write(fh, {reinterpret_cast<const uint8_t*>(data_to_save.data()), data_to_save.size()})) {
// TODO: make this better, should this be called on fail? should this be called before sync? (prob not)
_fs_ignore_event = true;
_os.throwEventUpdate(fh);
@ -480,12 +513,12 @@ MessageFragmentStore::MessageFragmentStore(
}
MessageFragmentStore::~MessageFragmentStore(void) {
while (!_fuid_save_queue.empty()) {
auto fh = _fuid_save_queue.front().id;
auto* reg = _fuid_save_queue.front().reg;
while (!_frag_save_queue.empty()) {
auto fh = _frag_save_queue.front().id;
auto* reg = _frag_save_queue.front().reg;
assert(reg != nullptr);
syncFragToStorage(fh, *reg);
_fuid_save_queue.pop_front(); // pop unconditionally
_frag_save_queue.pop_front(); // pop unconditionally
}
}
@ -538,14 +571,14 @@ static bool rangeVisible(uint64_t range_begin, uint64_t range_end, const Message
float MessageFragmentStore::tick(float) {
const auto ts_now = Message::getTimeMS();
// sync dirty fragments here
if (!_fuid_save_queue.empty()) {
if (!_frag_save_queue.empty()) {
// wait 10sec before saving
if (_fuid_save_queue.front().ts_since_dirty + 10*1000 <= ts_now) {
auto fh = _fuid_save_queue.front().id;
auto* reg = _fuid_save_queue.front().reg;
if (_frag_save_queue.front().ts_since_dirty + 10*1000 <= ts_now) {
auto fh = _frag_save_queue.front().id;
auto* reg = _frag_save_queue.front().reg;
assert(reg != nullptr);
if (syncFragToStorage(fh, *reg)) {
_fuid_save_queue.pop_front();
_frag_save_queue.pop_front();
}
}
}
@ -612,13 +645,13 @@ float MessageFragmentStore::tick(float) {
// that is not already loaded !!
if (msg_reg->ctx().contains<Message::Contexts::ContactFragments>()) {
const auto& cf = msg_reg->ctx().get<Message::Contexts::ContactFragments>();
if (!cf.frags.empty()) {
if (!cf.sorted_frags.empty()) {
if (!msg_reg->ctx().contains<Message::Contexts::LoadedContactFragments>()) {
msg_reg->ctx().emplace<Message::Contexts::LoadedContactFragments>();
}
const auto& loaded_frags = msg_reg->ctx().get<Message::Contexts::LoadedContactFragments>().loaded_frags;
for (const auto& [fid, si] : msg_reg->ctx().get<Message::Contexts::ContactFragments>().frags) {
for (const auto& [fid, si] : msg_reg->ctx().get<Message::Contexts::ContactFragments>().sorted_frags) {
if (loaded_frags.contains(fid)) {
continue;
}

2
src/fragment_store/message_fragment_store.hpp
View File

@ -86,7 +86,7 @@ class MessageFragmentStore : public RegistryMessageModelEventI, public ObjectSto
ObjectHandle id;
Message3Registry* reg{nullptr};
};
std::deque<SaveQueueEntry> _fuid_save_queue;
std::deque<SaveQueueEntry> _frag_save_queue;
struct ECQueueEntry final {
ObjectHandle fid;

18
src/fragment_store/message_serializer.cpp
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@ -1,5 +1,6 @@
#include "./message_serializer.hpp"
#include <cstdint>
#include <solanaceae/message3/components.hpp>
#include <solanaceae/contact/components.hpp>
@ -39,6 +40,7 @@ bool MessageSerializerCallbacks::component_get_json<Message::Components::Contact
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()) {
@ -47,7 +49,12 @@ bool MessageSerializerCallbacks::component_emplace_or_replace_json<Message::Comp
return true;
}
const std::vector<uint8_t> id = j.is_binary()?j:j["bytes"];
std::vector<uint8_t> id;
if (j.is_binary()) {
id = j.get_binary();
} else {
j["bytes"].get_to(id);
}
Contact3 other_c = findContactByID(msc.cr, id);
if (!msc.cr.valid(other_c)) {
@ -83,6 +90,7 @@ bool MessageSerializerCallbacks::component_get_json<Message::Components::Contact
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()) {
@ -91,7 +99,12 @@ bool MessageSerializerCallbacks::component_emplace_or_replace_json<Message::Comp
return true;
}
const std::vector<uint8_t> id = j.is_binary()?j:j["bytes"];
std::vector<uint8_t> id;
if (j.is_binary()) {
id = j.get_binary();
} else {
j["bytes"].get_to(id);
}
Contact3 other_c = findContactByID(msc.cr, id);
if (!msc.cr.valid(other_c)) {
@ -105,3 +118,4 @@ bool MessageSerializerCallbacks::component_emplace_or_replace_json<Message::Comp
// TODO: should we return false if the contact is unknown??
return true;
}

3
src/fragment_store/messages_meta_components.hpp
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@ -6,7 +6,8 @@ namespace ObjectStore::Components {
struct MessagesVersion {
// messages Object version
// 1 -> text_json
uint16_t v {1};
// 2 -> msgpack
uint16_t v {2};
};
struct MessagesTSRange {