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/*
* (C) 2003-2012 Anope Team
* Contact us at team@anope.org
*
* Please read COPYING and README for further details.
*
* Based on the original code of Epona by Lara.
* Based on the original code of Services by Andy Church.
*/
#include "module.h"
#include "../extra/sql.h"
class SQLSQLInterface : public SQLInterface
{
public:
SQLSQLInterface(Module *o) : SQLInterface(o) { }
void OnResult(const SQLResult &r)
{
Log(LOG_DEBUG) << "SQL successfully executed query: " << r.finished_query;
}
void OnError(const SQLResult &r)
{
if (!r.GetQuery().query.empty())
Log(LOG_DEBUG) << "Error executing query " << r.finished_query << ": " << r.GetError();
else
Log(LOG_DEBUG) << "Error executing query: " << r.GetError();
}
};
class DBSQL : public Module
{
service_reference<SQLProvider> sql;
SQLSQLInterface sqlinterface;
void RunBackground(const SQLQuery &q)
{
if (!quitting)
this->sql->Run(&sqlinterface, q);
else
this->sql->RunQuery(q);
}
void DropTable(const Anope::string &table)
{
SQLQuery query("DROP TABLE `" + table + "`");
this->RunBackground(query);
}
void DropAll()
{
SQLResult r = this->sql->RunQuery(this->sql->GetTables());
for (int i = 0; i < r.Rows(); ++i)
{
const std::map<Anope::string, Anope::string> &map = r.Row(i);
for (std::map<Anope::string, Anope::string>::const_iterator it = map.begin(); it != map.end(); ++it)
this->DropTable(it->second);
}
}
void AlterTable(const Anope::string &table, std::set<Anope::string> &data, const Serializable::serialized_data &newd)
{
for (Serializable::serialized_data::const_iterator it = newd.begin(), it_end = newd.end(); it != it_end; ++it)
{
if (data.count(it->first) > 0)
continue;
data.insert(it->first);
Anope::string query_text = "ALTER TABLE `" + table + "` ADD `" + it->first + "` ";
if (it->second.getType() == Serialize::DT_INT)
query_text += "int(11)";
else if (it->second.getMax() > 0)
query_text += "varchar(" + stringify(it->second.getMax()) + ")";
else
query_text += "text";
this->RunBackground(SQLQuery(query_text));
}
}
void Insert(const Anope::string &table, const Serializable::serialized_data &data)
{
Anope::string query_text = "INSERT INTO `" + table + "` (";
for (Serializable::serialized_data::const_iterator it = data.begin(), it_end = data.end(); it != it_end; ++it)
query_text += "`" + it->first + "`,";
query_text.erase(query_text.end() - 1);
query_text += ") VALUES (";
for (Serializable::serialized_data::const_iterator it = data.begin(), it_end = data.end(); it != it_end; ++it)
query_text += "@" + it->first + "@,";
query_text.erase(query_text.end() - 1);
query_text += ")";
SQLQuery query(query_text);
for (Serializable::serialized_data::const_iterator it = data.begin(), it_end = data.end(); it != it_end; ++it)
query.setValue(it->first, it->second.astr());
this->RunBackground(query);
}
public:
DBSQL(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, DATABASE), sql("", ""), sqlinterface(this)
{
this->SetAuthor("Anope");
Implementation i[] = { I_OnReload, I_OnSaveDatabase, I_OnLoadDatabase };
ModuleManager::Attach(i, this, sizeof(i) / sizeof(Implementation));
this->OnReload();
}
void OnReload()
{
ConfigReader config;
Anope::string engine = config.ReadValue("db_sql", "engine", "", 0);
this->sql = service_reference<SQLProvider>("SQLProvider", engine);
}
EventReturn OnSaveDatabase()
{
if (!this->sql)
{
Log() << "db_sql: Unable to save databases, is SQL configured correctly?";
return EVENT_CONTINUE;
}
const std::list<Serializable *> &items = Serializable::GetItems();
if (items.empty())
return EVENT_CONTINUE;
this->DropAll();
std::map<Anope::string, std::set<Anope::string> > table_layout;
for (std::list<Serializable *>::const_iterator it = items.begin(), it_end = items.end(); it != it_end; ++it)
{
Serializable *base = *it;
Serializable::serialized_data data = base->serialize();
if (data.empty())
continue;
std::set<Anope::string> &layout = table_layout[base->serialize_name()];
if (layout.empty())
{
this->RunBackground(this->sql->CreateTable(base->serialize_name(), data));
for (Serializable::serialized_data::iterator it2 = data.begin(), it2_end = data.end(); it2 != it2_end; ++it2)
layout.insert(it2->first);
}
else
this->AlterTable(base->serialize_name(), layout, data);
this->Insert(base->serialize_name(), data);
}
return EVENT_CONTINUE;
}
EventReturn OnLoadDatabase()
{
if (!this->sql)
{
Log() << "db_sql: Unable to load databases, is SQL configured correctly?";
return EVENT_CONTINUE;
}
const std::vector<Anope::string> type_order = SerializeType::GetTypeOrder();
for (unsigned i = 0; i < type_order.size(); ++i)
{
SerializeType *sb = SerializeType::Find(type_order[i]);
SQLQuery query("SELECT * FROM `" + sb->GetName() + "`");
SQLResult res = this->sql->RunQuery(query);
for (int j = 0; j < res.Rows(); ++j)
{
Serializable::serialized_data data;
const std::map<Anope::string, Anope::string> &row = res.Row(j);
for (std::map<Anope::string, Anope::string>::const_iterator rit = row.begin(), rit_end = row.end(); rit != rit_end; ++rit)
data[rit->first] << rit->second;
sb->Create(data);
}
}
return EVENT_STOP;
}
};
MODULE_INIT(DBSQL)
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