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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2019 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"
bool ExtensionManager::Register(ExtensionItem* item)
{
return types.emplace(item->name, item).second;
}
void ExtensionManager::BeginUnregister(Module* module, std::vector<reference<ExtensionItem>>& items)
{
for (ExtMap::iterator type = types.begin(); type != types.end(); )
{
ExtMap::iterator thistype = type++;
ExtensionItem* item = thistype->second;
if (item->creator == module)
{
items.push_back(item);
types.erase(thistype);
}
}
}
ExtensionItem* ExtensionManager::GetItem(const std::string& name)
{
ExtMap::iterator iter = types.find(name);
if (iter == types.end())
return nullptr;
return iter->second;
}
Extensible::Extensible()
: culled(false)
{
}
Extensible::~Extensible()
{
if ((!extensions.empty() || !culled) && ServerInstance)
ServerInstance->Logs.Log("CULLLIST", LOG_DEBUG, "Extensible destructor called without cull @%p", (void*)this);
}
Cullable::Result Extensible::Cull()
{
FreeAllExtItems();
culled = true;
return Cullable::Cull();
}
void Extensible::FreeAllExtItems()
{
for (const auto& [extension, item] : extensions)
extension->Delete(this, item);
extensions.clear();
}
void Extensible::UnhookExtensions(const std::vector<reference<ExtensionItem>>& items)
{
for (const auto& item : items)
{
ExtensibleStore::iterator iter = extensions.find(item);
if (iter != extensions.end())
{
item->Delete(this, iter->second);
extensions.erase(iter);
}
}
}
ExtensionItem::ExtensionItem(Module* mod, const std::string& Key, ExtensibleType exttype)
: ServiceProvider(mod, Key, SERVICE_METADATA)
, type(exttype)
{
}
void ExtensionItem::RegisterService()
{
if (!ServerInstance->Extensions.Register(this))
throw ModuleException("Extension already exists: " + name);
}
void* ExtensionItem::GetRaw(const Extensible* container) const
{
auto iter = container->extensions.find(const_cast<ExtensionItem*>(this));
if (iter == container->extensions.end())
return nullptr;
return iter->second;
}
void* ExtensionItem::SetRaw(Extensible* container, void* value)
{
auto result = container->extensions.insert(std::make_pair(this, value));
if (result.second)
return nullptr;
void* old = result.first->second;
result.first->second = value;
return old;
}
void* ExtensionItem::UnsetRaw(Extensible* container)
{
auto iter = container->extensions.find(this);
if (iter == container->extensions.end())
return nullptr;
void* result = iter->second;
container->extensions.erase(iter);
return result;
}
void ExtensionItem::FromInternal(Extensible* container, const std::string& value) noexcept
{
FromNetwork(container, value);
}
void ExtensionItem::FromNetwork(Extensible* container, const std::string& value) noexcept
{
}
std::string ExtensionItem::ToHuman(const Extensible* container, void* item) const noexcept
{
// Try to use the network form by default.
std::string ret = ToNetwork(container, item);
// If there's no network form then fall back to the internal form.
if (ret.empty())
ret = ToInternal(container, item);
return ret;
}
std::string ExtensionItem::ToInternal(const Extensible* container, void* item) const noexcept
{
return ToNetwork(container, item);
}
std::string ExtensionItem::ToNetwork(const Extensible* container, void* item) const noexcept
{
return std::string();
}
IntExtItem::IntExtItem(Module* owner, const std::string& key, ExtensibleType exttype, bool sync)
: ExtensionItem(owner, key, exttype)
, synced(sync)
{
}
void IntExtItem::Delete(Extensible* container, void* item)
{
// Intentionally left blank.
}
void IntExtItem::FromInternal(Extensible* container, const std::string& value) noexcept
{
Set(container, ConvToNum<intptr_t>(value));
}
void IntExtItem::FromNetwork(Extensible* container, const std::string& value) noexcept
{
if (synced)
FromInternal(container, value);
}
intptr_t IntExtItem::Get(const Extensible* container) const
{
return reinterpret_cast<intptr_t>(GetRaw(container));
}
void IntExtItem::Set(Extensible* container, intptr_t value)
{
if (value)
SetRaw(container, reinterpret_cast<void*>(value));
else
UnsetRaw(container);
}
std::string IntExtItem::ToInternal(const Extensible* container, void* item) const noexcept
{
return ConvToStr(reinterpret_cast<intptr_t>(item));
}
std::string IntExtItem::ToNetwork(const Extensible* container, void* item) const noexcept
{
return synced ? ToInternal(container, item) : std::string();
}
void IntExtItem::Unset(Extensible* container)
{
UnsetRaw(container);
}
StringExtItem::StringExtItem(Module* owner, const std::string& key, ExtensibleType exttype, bool sync)
: SimpleExtItem(owner, key, exttype)
, synced(sync)
{
}
void StringExtItem::FromInternal(Extensible* container, const std::string& value) noexcept
{
if (value.empty())
Unset(container);
else
Set(container, value);
}
void StringExtItem::FromNetwork(Extensible* container, const std::string& value) noexcept
{
if (synced)
FromInternal(container, value);
}
std::string StringExtItem::ToInternal(const Extensible* container, void* item) const noexcept
{
return item ? *static_cast<std::string*>(item) : std::string();
}
std::string StringExtItem::ToNetwork(const Extensible* container, void* item) const noexcept
{
return synced ? ToInternal(container, item) : std::string();
}
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