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Remove old rollback migration code (#13082)
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ROllerozxa
GitHub
parent
6d45c243f8
commit
bb74da5903
135
src/rollback.cpp
135
src/rollback.cpp
@ -96,19 +96,9 @@ RollbackManager::RollbackManager(const std::string & world_path,
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verbosestream << "RollbackManager::RollbackManager(" << world_path
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<< ")" << std::endl;
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std::string txt_filename = world_path + DIR_DELIM "rollback.txt";
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std::string migrating_flag = txt_filename + ".migrating";
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database_path = world_path + DIR_DELIM "rollback.sqlite";
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bool created = initDatabase();
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if (fs::PathExists(txt_filename) && (created ||
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fs::PathExists(migrating_flag))) {
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std::ofstream of(migrating_flag.c_str());
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of.close();
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migrate(txt_filename);
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fs::DeleteSingleFileOrEmptyDirectory(migrating_flag);
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}
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initDatabase();
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}
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@ -670,129 +660,6 @@ const std::list<RollbackAction> RollbackManager::getActionsSince(
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}
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void RollbackManager::migrate(const std::string & file_path)
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{
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std::cout << "Migrating from rollback.txt to rollback.sqlite." << std::endl;
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std::ifstream fh(file_path.c_str(), std::ios::in | std::ios::ate);
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if (!fh.good()) {
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throw FileNotGoodException("Unable to open rollback.txt");
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}
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std::streampos file_size = fh.tellg();
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if (file_size < 10) {
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errorstream << "Empty rollback log." << std::endl;
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return;
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}
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fh.seekg(0);
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sqlite3_stmt *stmt_begin;
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sqlite3_stmt *stmt_commit;
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SQLOK(sqlite3_prepare_v2(db, "BEGIN", -1, &stmt_begin, NULL));
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SQLOK(sqlite3_prepare_v2(db, "COMMIT", -1, &stmt_commit, NULL));
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std::string bit;
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int i = 0;
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time_t start = time(0);
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time_t t = start;
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SQLRES(sqlite3_step(stmt_begin), SQLITE_DONE);
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sqlite3_reset(stmt_begin);
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do {
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ActionRow row;
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row.id = 0;
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// Get the timestamp
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std::getline(fh, bit, ' ');
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bit = trim(bit);
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if (!atoi(bit.c_str())) {
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std::getline(fh, bit);
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continue;
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}
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row.timestamp = atoi(bit.c_str());
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// Get the actor
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row.actor = getActorId(deSerializeJsonString(fh));
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// Get the action type
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std::getline(fh, bit, '[');
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std::getline(fh, bit, ' ');
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if (bit == "modify_inventory_stack") {
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row.type = RollbackAction::TYPE_MODIFY_INVENTORY_STACK;
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row.location = trim(deSerializeJsonString(fh));
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std::getline(fh, bit, ' ');
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row.list = trim(deSerializeJsonString(fh));
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std::getline(fh, bit, ' ');
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std::getline(fh, bit, ' ');
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row.index = atoi(trim(bit).c_str());
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std::getline(fh, bit, ' ');
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row.add = (int)(trim(bit) == "add");
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row.stack.deSerialize(deSerializeJsonString(fh));
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row.stack.id = getNodeId(row.stack.name);
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std::getline(fh, bit);
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} else if (bit == "set_node") {
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row.type = RollbackAction::TYPE_SET_NODE;
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std::getline(fh, bit, '(');
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std::getline(fh, bit, ',');
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row.x = atoi(trim(bit).c_str());
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std::getline(fh, bit, ',');
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row.y = atoi(trim(bit).c_str());
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std::getline(fh, bit, ')');
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row.z = atoi(trim(bit).c_str());
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std::getline(fh, bit, ' ');
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row.oldNode = getNodeId(trim(deSerializeJsonString(fh)));
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std::getline(fh, bit, ' ');
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std::getline(fh, bit, ' ');
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row.oldParam1 = atoi(trim(bit).c_str());
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std::getline(fh, bit, ' ');
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row.oldParam2 = atoi(trim(bit).c_str());
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row.oldMeta = trim(deSerializeJsonString(fh));
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std::getline(fh, bit, ' ');
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row.newNode = getNodeId(trim(deSerializeJsonString(fh)));
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std::getline(fh, bit, ' ');
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std::getline(fh, bit, ' ');
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row.newParam1 = atoi(trim(bit).c_str());
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std::getline(fh, bit, ' ');
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row.newParam2 = atoi(trim(bit).c_str());
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row.newMeta = trim(deSerializeJsonString(fh));
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std::getline(fh, bit, ' ');
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std::getline(fh, bit, ' ');
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std::getline(fh, bit);
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row.guessed = (int)(trim(bit) == "actor_is_guess");
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} else {
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errorstream << "Unrecognized rollback action type \""
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<< bit << "\"!" << std::endl;
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continue;
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}
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registerRow(row);
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++i;
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if (time(0) - t >= 1) {
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SQLRES(sqlite3_step(stmt_commit), SQLITE_DONE);
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sqlite3_reset(stmt_commit);
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t = time(0);
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std::cout
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<< " Done: " << static_cast<int>((static_cast<float>(fh.tellg()) / static_cast<float>(file_size)) * 100) << "%"
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<< " Speed: " << i / (t - start) << "/second \r" << std::flush;
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SQLRES(sqlite3_step(stmt_begin), SQLITE_DONE);
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sqlite3_reset(stmt_begin);
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}
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} while (fh.good());
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SQLRES(sqlite3_step(stmt_commit), SQLITE_DONE);
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sqlite3_reset(stmt_commit);
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SQLOK(sqlite3_finalize(stmt_begin));
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SQLOK(sqlite3_finalize(stmt_commit));
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std::cout
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<< " Done: 100% " << std::endl
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<< "Now you can delete the old rollback.txt file." << std::endl;
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}
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// Get nearness factor for subject's action for this action
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// Return value: 0 = impossible, >0 = factor
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float RollbackManager::getSuspectNearness(bool is_guess, v3s16 suspect_p,
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@ -73,7 +73,6 @@ private:
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int range, int limit);
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const std::list<RollbackAction> getActionsSince(time_t firstTime,
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const std::string & actor = "");
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void migrate(const std::string & filepath);
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static float getSuspectNearness(bool is_guess, v3s16 suspect_p,
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time_t suspect_t, v3s16 action_p, time_t action_t);
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