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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2012, 2015 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/>.
*/
#include "inspircd.h"
#include "invite.h"
class InviteExpireTimer : public Timer
{
Invite::Invite* const inv;
bool Tick(time_t currtime) CXX11_OVERRIDE;
public:
InviteExpireTimer(Invite::Invite* invite, time_t timeout);
};
static Invite::APIImpl* apiimpl;
void RemoveInvite(Invite::Invite* inv, bool remove_user, bool remove_chan)
{
apiimpl->Destruct(inv, remove_user, remove_chan);
}
void UnserializeInvite(LocalUser* user, const std::string& str)
{
apiimpl->Unserialize(user, str);
}
Invite::APIBase::APIBase(Module* parent)
: DataProvider(parent, "core_channel_invite")
{
}
Invite::APIImpl::APIImpl(Module* parent)
: APIBase(parent)
, userext(parent, "invite_user")
, chanext(parent, "invite_chan")
{
apiimpl = this;
}
void Invite::APIImpl::Destruct(Invite* inv, bool remove_user, bool remove_chan)
{
Store<LocalUser>* ustore = userext.get(inv->user);
if (ustore)
{
ustore->invites.erase(inv);
if ((remove_user) && (ustore->invites.empty()))
userext.unset(inv->user);
}
Store<Channel>* cstore = chanext.get(inv->chan);
if (cstore)
{
cstore->invites.erase(inv);
if ((remove_chan) && (cstore->invites.empty()))
chanext.unset(inv->chan);
}
delete inv;
}
bool Invite::APIImpl::Remove(LocalUser* user, Channel* chan)
{
Invite* inv = Find(user, chan);
if (inv)
{
Destruct(inv);
return true;
}
return false;
}
void Invite::APIImpl::Create(LocalUser* user, Channel* chan, time_t timeout)
{
if ((timeout != 0) && (ServerInstance->Time() >= timeout))
// Expired, don't bother
return;
ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Invite::APIImpl::Create(): user=%s chan=%s timeout=%lu", user->uuid.c_str(), chan->name.c_str(), (unsigned long)timeout);
Invite* inv = Find(user, chan);
if (inv)
{
// We only ever extend invites, so nothing to do if the existing one is not timed
if (!inv->IsTimed())
return;
ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Invite::APIImpl::Create(): changing expiration in %p", (void*) inv);
if (timeout == 0)
{
// Convert timed invite to non-expiring
delete inv->expiretimer;
inv->expiretimer = NULL;
}
else if (inv->expiretimer->GetTrigger() >= ServerInstance->Time() + timeout)
{
// New expiration time is further than the current, extend the expiration
inv->expiretimer->SetInterval(timeout - ServerInstance->Time());
}
}
else
{
inv = new Invite(user, chan);
if (timeout)
{
inv->expiretimer = new InviteExpireTimer(inv, timeout - ServerInstance->Time());
ServerInstance->Timers.AddTimer(inv->expiretimer);
}
userext.get(user, true)->invites.push_front(inv);
chanext.get(chan, true)->invites.push_front(inv);
ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Invite::APIImpl::Create(): created new Invite %p", (void*) inv);
}
}
Invite::Invite* Invite::APIImpl::Find(LocalUser* user, Channel* chan)
{
const List* list = APIImpl::GetList(user);
if (!list)
return NULL;
for (List::iterator i = list->begin(); i != list->end(); ++i)
{
Invite* inv = *i;
if (inv->chan == chan)
return inv;
}
return NULL;
}
const Invite::List* Invite::APIImpl::GetList(LocalUser* user)
{
Store<LocalUser>* list = userext.get(user);
if (list)
return &list->invites;
return NULL;
}
void Invite::APIImpl::Unserialize(LocalUser* user, const std::string& value)
{
irc::spacesepstream ss(value);
for (std::string channame, exptime; (ss.GetToken(channame) && ss.GetToken(exptime)); )
{
Channel* chan = ServerInstance->FindChan(channame);
if (chan)
Create(user, chan, ConvToInt(exptime));
}
}
Invite::Invite::Invite(LocalUser* u, Channel* c)
: user(u)
, chan(c)
, expiretimer(NULL)
{
}
Invite::Invite::~Invite()
{
delete expiretimer;
ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Invite::~ %p", (void*) this);
}
void Invite::Invite::Serialize(SerializeFormat format, bool show_chans, std::string& out)
{
if (show_chans)
out.append(this->chan->name);
else
out.append((format == FORMAT_USER) ? user->nick : user->uuid);
out.push_back(' ');
if (expiretimer)
out.append(ConvToStr(expiretimer->GetTrigger()));
else
out.push_back('0');
out.push_back(' ');
}
InviteExpireTimer::InviteExpireTimer(Invite::Invite* invite, time_t timeout)
: Timer(timeout)
, inv(invite)
{
}
bool InviteExpireTimer::Tick(time_t currtime)
{
ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "InviteExpireTimer::Tick(): expired %p", (void*) inv);
apiimpl->Destruct(inv);
return false;
}
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