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Change File Finder (#873)
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@ -4,6 +4,8 @@
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#include <cstdint>
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#include <cassert>
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#include <algorithm>
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#include <filesystem>
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#include <map>
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template <typename T>
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inline size_t MinSize(size_t size, const std::basic_string_view<T>& string) {
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@ -290,51 +292,30 @@ std::u16string GeneralUtils::ReadWString(RakNet::BitStream* inStream) {
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return string;
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}
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#ifdef _WIN32
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#define WIN32_LEAN_AND_MEAN
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#include <Windows.h>
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std::vector<std::string> GeneralUtils::GetFileNamesFromFolder(const std::string& folder) {
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std::vector<std::string> names;
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std::string search_path = folder + "/*.*";
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WIN32_FIND_DATA fd;
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HANDLE hFind = ::FindFirstFile(search_path.c_str(), &fd);
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if (hFind != INVALID_HANDLE_VALUE) {
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do {
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if (!(fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
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names.push_back(fd.cFileName);
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}
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} while (::FindNextFile(hFind, &fd));
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::FindClose(hFind);
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}
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return names;
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}
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#else
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#include <stdio.h>
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#include <dirent.h>
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#include <sys/types.h>
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#include <iostream>
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#include <vector>
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#include <cstring>
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std::vector<std::string> GeneralUtils::GetFileNamesFromFolder(const std::string& folder) {
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std::vector<std::string> names;
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struct dirent* entry;
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DIR* dir = opendir(folder.c_str());
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if (dir == NULL) {
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return names;
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std::vector<std::string> GeneralUtils::GetSqlFileNamesFromFolder(const std::string& folder) {
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// Because we dont know how large the initial number before the first _ is we need to make it a map like so.
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std::map<uint32_t, std::string> filenames{};
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for (auto& t : std::filesystem::directory_iterator(folder)) {
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auto filename = t.path().filename().string();
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auto index = std::stoi(GeneralUtils::SplitString(filename, '_').at(0));
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filenames.insert(std::make_pair(index, filename));
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}
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while ((entry = readdir(dir)) != NULL) {
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std::string value(entry->d_name, strlen(entry->d_name));
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if (value == "." || value == "..") {
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continue;
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// Now sort the map by the oldest migration.
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std::vector<std::string> sortedFiles{};
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auto fileIterator = filenames.begin();
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std::map<uint32_t, std::string>::iterator oldest = filenames.begin();
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while (!filenames.empty()) {
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if (fileIterator == filenames.end()) {
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sortedFiles.push_back(oldest->second);
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filenames.erase(oldest);
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fileIterator = filenames.begin();
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oldest = filenames.begin();
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continue;
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}
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names.push_back(value);
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if (oldest->first > fileIterator->first) oldest = fileIterator;
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fileIterator++;
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}
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closedir(dir);
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return names;
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return sortedFiles;
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}
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#endif
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@ -12,6 +12,7 @@
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#include <BitStream.h>
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#include "Game.h"
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#include "dLogger.h"
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/*!
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\file GeneralUtils.hpp
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@ -138,7 +139,7 @@ namespace GeneralUtils {
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std::vector<std::string> SplitString(const std::string& str, char delimiter);
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std::vector<std::string> GetFileNamesFromFolder(const std::string& folder);
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std::vector<std::string> GetSqlFileNamesFromFolder(const std::string& folder);
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template <typename T>
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T Parse(const char* value);
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@ -38,7 +38,7 @@ void MigrationRunner::RunMigrations() {
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sql::SQLString finalSQL = "";
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bool runSd0Migrations = false;
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for (const auto& entry : GeneralUtils::GetFileNamesFromFolder((BinaryPathFinder::GetBinaryDir() / "./migrations/dlu/").string())) {
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for (const auto& entry : GeneralUtils::GetSqlFileNamesFromFolder((BinaryPathFinder::GetBinaryDir() / "./migrations/dlu/").string())) {
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auto migration = LoadMigration("dlu/" + entry);
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if (migration.data.empty()) {
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@ -102,7 +102,7 @@ void MigrationRunner::RunSQLiteMigrations() {
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stmt->execute();
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delete stmt;
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for (const auto& entry : GeneralUtils::GetFileNamesFromFolder((BinaryPathFinder::GetBinaryDir() / "migrations/cdserver/").string())) {
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for (const auto& entry : GeneralUtils::GetSqlFileNamesFromFolder((BinaryPathFinder::GetBinaryDir() / "migrations/cdserver/").string())) {
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auto migration = LoadMigration("cdserver/" + entry);
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if (migration.data.empty()) continue;
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