inspircd/modules/log_sql.cpp
2024-07-17 00:06:50 +01:00

125 lines
3.0 KiB
C++

/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2022-2023 Sadie Powell <sadie@witchery.services>
*
* This file is part of InspIRCd. InspIRCd 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, version 2.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "inspircd.h"
#include "modules/sql.h"
namespace
{
Module* thismod;
}
class SQLQuery final
: public SQL::Query
{
public:
SQLQuery(Module* mod) ATTR_NOT_NULL(2)
: SQL::Query(mod)
{
}
void OnResult(SQL::Result& res) override
{
// Nothing to do here.
}
void OnError(const SQL::Error& error) override
{
ServerInstance->SNO.WriteGlobalSno('a', "Unable to write to SQL log (query error: {}).", error.ToString());
}
};
class SQLMethod final
: public Log::Method
{
private:
std::string query;
dynamic_reference<SQL::Provider> sql;
time_t lastwarning = 0;
public:
SQLMethod(const dynamic_reference<SQL::Provider>& s, const std::string& q)
: query(q)
, sql(s)
{
}
void OnLog(time_t time, Log::Level level, const std::string& type, const std::string& message) override
{
if (!sql)
{
// Only give a warning every 5 minutes to avoid log spam.
if (ServerInstance->Time() - lastwarning > 300)
{
lastwarning = ServerInstance->Time();
ServerInstance->SNO.WriteGlobalSno('a', "Unable to write to SQL log (database {} not available).", sql->GetId());
}
return;
}
SQL::ParamMap params = {
{ "level", ConvToStr(static_cast<uint8_t>(level)) },
{ "levelstr", Log::LevelToString(level) },
{ "message", message },
{ "time", ConvToStr(time) },
{ "type", type },
};
sql->Submit(new SQLQuery(thismod), query, params);
}
};
class SQLEngine final
: public Log::Engine
{
public:
SQLEngine(Module* Creator) ATTR_NOT_NULL(2)
: Log::Engine(Creator, "sql")
{
}
Log::MethodPtr Create(const std::shared_ptr<ConfigTag>& tag) override
{
dynamic_reference<SQL::Provider> sql(creator, "SQL");
const std::string dbid = tag->getString("dbid");
if (!dbid.empty())
sql.SetProvider("SQL/" + dbid);
const std::string query = tag->getString("query", "INSERT INTO ircd_log (time, type, message) VALUES (FROM_UNIXTIME($time), '$type', '$message');", 1);
return std::make_shared<SQLMethod>(sql, query);
}
};
class ModuleLogSQL final
: public Module
{
private:
SQLEngine engine;
public:
ModuleLogSQL()
: Module(VF_VENDOR, "Provides the ability to log to a SQL database.")
, engine(this)
{
thismod = this;
}
};
MODULE_INIT(ModuleLogSQL)