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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) anope_override
{
Log(LOG_DEBUG) << "SQL successfully executed query: " << r.finished_query;
}
void OnError(const SQLResult &r) anope_override
{
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 ResultSQLSQLInterface : public SQLSQLInterface
{
dynamic_reference<Serializable> obj;
public:
ResultSQLSQLInterface(Module *o, Serializable *ob) : SQLSQLInterface(o), obj(ob) { }
void OnResult(const SQLResult &r) anope_override
{
SQLSQLInterface::OnResult(r);
if (r.GetID() > 0 && this->obj)
this->obj->id = r.GetID();
delete this;
}
void OnError(const SQLResult &r) anope_override
{
SQLSQLInterface::OnError(r);
delete this;
}
};
class DBSQL : public Module, public Pipe
{
service_reference<SQLProvider> sql;
SQLSQLInterface sqlinterface;
Anope::string prefix;
std::set<dynamic_reference<Serializable> > updated_items;
void RunBackground(const SQLQuery &q, SQLInterface *iface = NULL)
{
if (!this->sql)
{
static time_t last_warn = 0;
if (last_warn + 300 < Anope::CurTime)
{
last_warn = Anope::CurTime;
Log() << "db_sql: Unable to execute query, is SQL configured correctly?";
}
}
else if (!quitting)
{
if (iface == NULL)
iface = &this->sqlinterface;
this->sql->Run(iface, q);
}
else
this->sql->RunQuery(q);
}
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_OnLoadDatabase, I_OnSerializableConstruct, I_OnSerializableDestruct, I_OnSerializableUpdate };
ModuleManager::Attach(i, this, sizeof(i) / sizeof(Implementation));
this->OnReload();
}
void OnNotify() anope_override
{
for (std::set<dynamic_reference<Serializable> >::iterator it = this->updated_items.begin(), it_end = this->updated_items.end(); it != it_end; ++it)
{
dynamic_reference<Serializable> obj = *it;
if (obj && this->sql)
{
if (obj->IsCached())
continue;
obj->UpdateCache();
const Serialize::Data &data = obj->serialize();
std::vector<SQLQuery> create = this->sql->CreateTable(this->prefix + obj->serialize_name(), data);
for (unsigned i = 0; i < create.size(); ++i)
this->RunBackground(create[i]);
SQLQuery insert = this->sql->BuildInsert(this->prefix + obj->serialize_name(), obj->id, data);
this->RunBackground(insert, new ResultSQLSQLInterface(this, obj));
}
}
this->updated_items.clear();
}
void OnReload() anope_override
{
ConfigReader config;
Anope::string engine = config.ReadValue("db_sql", "engine", "", 0);
this->sql = service_reference<SQLProvider>("SQLProvider", engine);
this->prefix = config.ReadValue("db_sql", "prefix", "anope_db_", 0);
}
EventReturn OnLoadDatabase() anope_override
{
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 `" + this->prefix + sb->GetName() + "`");
SQLResult res = this->sql->RunQuery(query);
for (int j = 0; j < res.Rows(); ++j)
{
Serialize::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;
Serializable *obj = sb->Unserialize(NULL, data);
try
{
if (obj)
obj->id = convertTo<unsigned int>(res.Get(j, "id"));
}
catch (const ConvertException &)
{
Log() << "db_sql: Unable to convert id for object #" << j << " of type " << sb->GetName();
}
}
}
return EVENT_STOP;
}
void OnSerializableConstruct(Serializable *obj) anope_override
{
this->updated_items.insert(obj);
this->Notify();
}
void OnSerializableDestruct(Serializable *obj) anope_override
{
this->RunBackground("DELETE FROM `" + this->prefix + obj->serialize_name() + "` WHERE `id` = " + stringify(obj->id));
}
void OnSerializableUpdate(Serializable *obj) anope_override
{
if (obj->IsTSCached())
return;
obj->UpdateTS();
this->updated_items.insert(obj);
this->Notify();
}
};
MODULE_INIT(DBSQL)
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