cyphesis/server/Persistence.cpp

316 lines
9.4 KiB
C++

// Cyphesis Online RPG Server and AI Engine
// Copyright (C) 2000,2001 Alistair Riddoch
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
// $Id$
#include "Persistence.h"
#include "Admin.h"
#include "Player.h"
#include "rulesets/Entity.h"
#include "common/id.h"
#include "common/log.h"
#include "common/const.h"
#include "common/debug.h"
#include "common/Database.h"
#include "common/compose.hpp"
using Atlas::Message::MapType;
using Atlas::Objects::Root;
static const bool debug_flag = false;
Persistence * Persistence::m_instance = NULL;
Persistence::Persistence() : m_connection(*Database::instance())
{
}
Persistence * Persistence::instance()
{
if (m_instance == NULL) {
m_instance = new Persistence();
}
return m_instance;
}
int Persistence::init()
{
assert(this != 0);
if (m_connection.initConnection() != 0) {
if (::instance == CYPHESIS) {
return DATABASE_CONERR;
}
if (m_connection.createInstanceDatabase() != 0) {
log(ERROR, "Database creation failed.");
return DATABASE_CONERR;
}
if (m_connection.initConnection() != 0) {
log(ERROR, "Still couldn't connect.");
return DATABASE_CONERR;
}
log(INFO, String::compose("Auto created database for new instance "
"\"%1\".", ::instance));
}
if (m_connection.registerEntityIdGenerator() != 0) {
log(ERROR, "Failed to register Id generator in database.");
return DATABASE_TABERR;
}
std::map<std::string, int> chunks;
chunks["location"] = 0;
if (m_connection.registerEntityTable(chunks) != 0) {
log(ERROR, "Failed to create Entity in database.");
return DATABASE_TABERR;
}
if (m_connection.registerPropertyTable() != 0) {
log(ERROR, "Failed to create Property in database.");
return DATABASE_TABERR;
}
bool i = m_connection.initRule(true);
MapType tableDesc;
tableDesc["username"] = " ";
tableDesc["password"] = " ";
tableDesc["type"] = " ";
bool j = m_connection.registerSimpleTable("accounts", tableDesc);
bool k = m_connection.registerRelation(m_characterRelation,
"accounts",
"entities");
if (!findAccount("admin")) {
debug(std::cout << "Bootstraping admin account."
<< std::endl << std::flush;);
std::string adminAccountId;
long adminAccountIntId = m_connection.newId(adminAccountId);
if (adminAccountIntId < 0) {
log(CRITICAL, "Unable to get admin account ID from Database");
return -2;
}
Admin dummyAdminAccount(0, "admin", consts::defaultAdminPasswordHash,
adminAccountId, adminAccountIntId);
putAccount(dummyAdminAccount);
}
return (i && j && k) ? 0 : -2;
}
void Persistence::shutdown()
{
m_connection.shutdownConnection();
delete &m_connection;
assert(this == m_instance);
delete m_instance;
m_instance = NULL;
}
bool Persistence::findAccount(const std::string & name)
{
std::string namestr = "'" + name + "'";
DatabaseResult dr = m_connection.selectSimpleRowBy("accounts", "username", namestr);
if (dr.error()) {
log(ERROR, "Failure while find account.");
return false;
}
if (dr.empty()) {
dr.clear();
return false;
}
if (dr.size() > 1) {
log(ERROR, "Duplicate username in accounts database.");
}
dr.clear();
return true;
}
Account * Persistence::getAccount(const std::string & name)
{
std::string namestr = "'" + name + "'";
DatabaseResult dr = m_connection.selectSimpleRowBy("accounts", "username", namestr);
if (dr.error()) {
log(ERROR, "Failure while find account.");
return 0;
}
if (dr.empty()) {
dr.clear();
return 0;
}
if (dr.size() > 1) {
log(ERROR, "Duplicate username in accounts database.");
}
const char * c = dr.field("id");
if (c == 0) {
dr.clear();
log(ERROR, "Unable to find id field in accounts database.");
return 0;
}
std::string id = c;
long intId = integerId(id);
if (intId == -1) {
dr.clear();
log(ERROR, String::compose("Invalid ID \"%1\" for account from database.", id));
return 0;
}
c = dr.field("password");
if (c == 0) {
dr.clear();
log(ERROR, "Unable to find password field in accounts database.");
return 0;
}
std::string passwd = c;
c = dr.field("type");
if (c == 0) {
dr.clear();
log(ERROR, "Unable to find type field in accounts database.");
return 0;
}
std::string type = c;
dr.clear();
if (type == "admin") {
return new Admin(0, name, passwd, id, intId);
} else {
return new Player(0, name, passwd, id, intId);
}
}
void Persistence::putAccount(const Account & ac)
{
std::string columns = "username, type, password";
std::string values = "'";
values += ac.username();
values += "', '";
values += ac.getType();
values += "', '";
values += ac.password();
values += "'";
m_connection.createSimpleRow("accounts", ac.getId(), columns, values);
}
void Persistence::registerCharacters(Account & ac,
const EntityDict & worldObjects)
{
DatabaseResult dr = m_connection.selectRelation(m_characterRelation,
ac.getId());
if (dr.error()) {
log(ERROR, "Database query failed while looking for characters for account.");
}
DatabaseResult::const_iterator Iend = dr.end();
for (DatabaseResult::const_iterator I = dr.begin(); I != Iend; ++I) {
const char * id = I.column(0);
if (id == 0) {
log(ERROR, "No ID data in relation when examing characters");
continue;
}
long intId = integerId(id);
EntityDict::const_iterator J = worldObjects.find(intId);
if (J == worldObjects.end()) {
log(WARNING, String::compose("Persistence: Got character id \"%1\" "
"from database which does not exist "
"in world.", id));
continue;
}
ac.addCharacter(J->second);
}
dr.clear();
}
void Persistence::addCharacter(const Account & ac, const Entity & e)
{
m_connection.createRelationRow(m_characterRelation, ac.getId(), e.getId());
}
void Persistence::delCharacter(const std::string & id)
{
m_connection.removeRelationRowByOther(m_characterRelation, id);
}
bool Persistence::getRules(std::map<std::string, Root> & t)
{
return m_connection.getTable(m_connection.rule(), t);
}
bool Persistence::storeRule(const Atlas::Objects::Root & rule,
const std::string & key)
{
const std::string & table = m_connection.rule();
if (m_connection.hasKey(table, key)) {
return false;
}
MapType rule_msg = rule->asMessage();
// Sort out the correct filename, and remove the reference to it
std::string file = String::compose("%1.xml", ruleset);
MapType::const_iterator I = rule_msg.find("ruleset");
if (I != rule_msg.end()) {
if (I->second.isString()) {
const std::string & new_set = I->second.asString();
if (new_set.find(".xml") == std::string::npos) {
file = String::compose("%1.xml", new_set);
} else {
file = new_set;
}
}
rule_msg.erase("ruleset");
}
m_connection.putObject(table, key, rule_msg, StringVector(1, file));
if (!m_connection.clearPendingQuery()) {
std::cerr << "Failed" << std::endl << std::flush;
return false;
}
return true;
}
bool Persistence::updateRule(const Atlas::Objects::Root & rule,
const std::string & key)
{
const std::string & table = m_connection.rule();
if (!m_connection.hasKey(table, key)) {
std::cout << "Existing rule" << std::endl << std::flush;
return false;
}
MapType rule_msg = rule->asMessage();
// Remove the reference to filename
MapType::iterator I = rule_msg.find("ruleset");
if (I != rule_msg.end()) {
rule_msg.erase(I);
}
m_connection.updateObject(table, key, rule_msg);
if (!m_connection.clearPendingQuery()) {
std::cerr << "Failed" << std::endl << std::flush;
return false;
}
return true;
}
bool Persistence::clearRules()
{
return m_connection.clearTable(m_connection.rule());
}