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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2019-2023 Sadie Powell <sadie@sadiepowell.dev>
* Copyright (C) 2015 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2012 Robby <robby@chatbelgie.be>
* Copyright (C) 2011 jackmcbarn <jackmcbarn@inspircd.org>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2007 Craig Edwards <brain@inspircd.org>
*
* 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"
#ifdef INSPIRCD_ENABLE_RTTI
# include <typeinfo>
#endif
#include <unordered_set>
Cullable::Cullable()
{
#ifdef INSPIRCD_ENABLE_RTTI
if (ServerInstance)
{
ServerInstance->Logs.Debug("CULL", "Cullable::+{} @{}",
typeid(*this).name(), fmt::ptr(this));
}
#endif
}
Cullable::~Cullable()
{
#ifdef INSPIRCD_ENABLE_RTTI
if (ServerInstance)
{
ServerInstance->Logs.Debug("CULL", "Cullable::~{} @{}",
typeid(*this).name(), fmt::ptr(this));
}
#endif
}
Cullable::Result Cullable::Cull()
{
#ifdef INSPIRCD_ENABLE_RTTI
if (ServerInstance)
{
ServerInstance->Logs.Debug("CULL", "Cullable::-{} @{}",
typeid(*this).name(), fmt::ptr(this));
}
#endif
return {};
}
void CullList::Apply()
{
std::vector<LocalUser *> working;
while (!SQlist.empty())
{
working.swap(SQlist);
for (auto* u : working)
{
ServerInstance->SNO.WriteGlobalSno('a', "User {} SendQ exceeds connect class maximum of {}",
u->nick, u->GetClass()->hardsendqmax);
ServerInstance->Users.QuitUser(u, "SendQ exceeded");
}
working.clear();
}
std::unordered_set<Cullable*> culled;
std::vector<Cullable*> deletable;
culled.reserve(list.size() + 32);
// IMPORTANT: we can't use a range-based for loop here as culling an object
// may invalidate the list iterators.
for (size_t idx = 0; idx < list.size(); ++idx)
{
auto* c = list[idx];
if (culled.insert(c).second)
{
#ifdef INSPIRCD_ENABLE_RTTI
ServerInstance->Logs.Debug("CULL", "Culling {} @{}", typeid(*c).name(),
fmt::ptr(c));
#endif
c->Cull();
// IMPORTANT: we have to use two containers here because some objects
// have to be deleted in the same order they were culled in.
deletable.push_back(c);
}
else
{
#ifdef INSPIRCD_ENABLE_RTTI
ServerInstance->Logs.Debug("CULL", "BUG: {} @{} was added to the cull list twice!",
typeid(*c).name(), fmt::ptr(c));
#else
ServerInstance->Logs.Debug("CULL", "BUG: @{} was added to the cull list twice!",
fmt::ptr(c));
#endif
}
}
list.clear();
for (auto* c : deletable)
{
#ifdef INSPIRCD_ENABLE_RTTI
ServerInstance->Logs.Debug("CULL", "Deleting {} @{}", typeid(*c).name(),
fmt::ptr(c));
#endif
delete c;
}
if (!list.empty())
{
ServerInstance->Logs.Debug("CULL", "BUG: {} objects were added to the cull list from a destructor",
list.size());
Apply();
}
}
void ActionList::Run()
{
// IMPORTANT: we can't use a range-based for loop here as adding to the list
// may invalidate the list iterators.
for (size_t idx = 0; idx < list.size(); ++idx)
list[idx]->Call();
list.clear();
}
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