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feat(cdclient): make a new CDServer.sqlite off-thread and swap tables in place

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CDClientSnapshot converts a copy of the client's fdb into its own
CDServer-<hash>.sqlite with the cdserver migrations applied, on its own
connection. CDClientDatabase::Reconnect opens the new file before letting go
of the old one; CDClientManager::Reload empties every table (old entries kept
alive so references from spawned objects stay valid), retires the old fdb view
and loads again.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Aaron Kimbrell
2026-09-29 22:50:20 -05:00
parent 1e0fc92f2e
commit 27a4564fec
13 changed files with 390 additions and 2 deletions
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40
dDatabase/CDClientDatabase/CDClientManager.cpp
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@@ -1,4 +1,9 @@
#include "CDClientManager.h"
#include <functional>
#include <memory>
#include <vector>
#include "CDFdb.h"
#include "Logger.h"
#include "CDActivityRewardsTable.h"
@@ -66,7 +71,25 @@
#define SPECIALIZE_TABLE_STORAGE(table) \
template<> typename table::StorageType& CDClientManager::GetEntriesMutable<table>() { return table##Entries; };
#define DEFINE_TABLE_STORAGE(table) namespace { table::StorageType table##Entries; }; SPECIALIZE_TABLE_STORAGE(table)
namespace {
// Empties each table's storage for Reload, keeping the old entries alive in g_Retired
std::vector<std::function<void()>>& Resetters() {
static std::vector<std::function<void()>> resetters;
return resetters;
}
std::vector<std::shared_ptr<void>> g_Retired;
template<typename Storage>
bool RegisterReset(Storage& storage) {
Resetters().push_back([&storage]() {
g_Retired.push_back(std::make_shared<Storage>(std::move(storage)));
storage = Storage{};
});
return true;
}
}
#define DEFINE_TABLE_STORAGE(table) namespace { table::StorageType table##Entries; const bool table##Reset = RegisterReset(table##Entries); }; SPECIALIZE_TABLE_STORAGE(table)
DEFINE_TABLE_STORAGE(CDActivityRewardsTable);
DEFINE_TABLE_STORAGE(CDActivitiesTable);
@@ -178,6 +201,21 @@ void CDClientManager::LoadValuesFromDatabase(const std::filesystem::path& fdbPat
CDZoneTableTable::LoadValuesFromDatabase();
}
void CDClientManager::ResetTables() {
CDFdb::Retire();
for (const auto& reset : Resetters()) reset();
CDZoneTableTable::Reset();
}
void CDClientManager::Reload(const std::filesystem::path& fdbPath) {
ResetTables();
LoadValuesFromDatabase(fdbPath);
}
uint32_t CDClientManager::GetTableCount() {
return static_cast<uint32_t>(Resetters().size()) + 1;
}
void CDClientManager::LoadValuesFromDefaults() {
LOG("Loading default CDClient tables!");