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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2018 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2016 Attila Molnar <attilamolnar@hush.com>
*
* 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/>.
*/
#pragma once
namespace Stats
{
class Context;
class EventListener;
class Row;
}
enum
{
// From aircd.
RPL_STATS = 210,
};
class Stats::EventListener
: public Events::ModuleEventListener
{
public:
EventListener(Module* mod)
: ModuleEventListener(mod, "event/stats")
{
}
/** Called when the STATS command is executed.
* @param stats Context of the /STATS request, contains requesting user, list of answer rows etc.
* @return MOD_RES_DENY if the stats request has been fulfilled. Otherwise, MOD_RES_PASSTHRU.
*/
virtual ModResult OnStats(Stats::Context& stats) = 0;
};
class Stats::Row final
: public Numeric::Numeric
{
public:
Row(unsigned int num)
: Numeric(num)
{
}
};
class Stats::Context final
{
/** Source user of the STATS request
*/
User* const source;
/** List of reply rows
*/
std::vector<Row> rows;
/** Symbol indicating the type of this STATS request (usually a letter)
*/
const char symbol;
public:
/** Constructor
* @param src Source user of the STATS request, can be a local or remote user
* @param sym Symbol (letter) indicating the type of the request
*/
Context(User* src, char sym)
: source(src)
, symbol(sym)
{
}
/** Get the source user of the STATS request
* @return Source user of the STATS request
*/
User* GetSource() const { return source; }
/** Get the list of reply rows
* @return List of rows generated as reply for the request
*/
const std::vector<Row>& GetRows() const { return rows; }
/** Get the symbol (letter) indicating what type of STATS was requested
* @return Symbol specified by the requesting user
*/
char GetSymbol() const { return symbol; }
/** Add a row to the reply list
* @param row Reply to add
*/
void AddRow(const Row& row) { rows.push_back(row); }
template <typename... Param>
void AddRow(unsigned int numeric, Param... p)
{
Row n(numeric);
n.push(std::forward<Param>(p)...);
AddRow(n);
}
/** Adds a row to the stats response using a generic numeric.
* @param p One or more fields to add to the response.
*/
template <typename... Param>
void AddGenericRow(Param... p)
{
Row n(RPL_STATS);
n.push(GetSymbol());
n.push(std::forward<Param>(p)...);
AddRow(n);
}
};
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