/***************************************************************************
- * Copyright (C) 2005-2012 by the Quassel Project *
+ * Copyright (C) 2005-2016 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "netsplit.h"
#include <QRegExp>
Netsplit::Netsplit(Network *network, QObject *parent)
- : QObject(parent),
+ : QObject(parent),
_network(network), _quitMsg(""), _sentQuit(false), _joinCounter(0), _quitCounter(0)
{
- _discardTimer.setSingleShot(true);
- _joinTimer.setSingleShot(true);
- _quitTimer.setSingleShot(true);
+ _discardTimer.setSingleShot(true);
+ _joinTimer.setSingleShot(true);
+ _quitTimer.setSingleShot(true);
- connect(&_discardTimer, SIGNAL(timeout()), this, SIGNAL(finished()));
+ connect(&_discardTimer, SIGNAL(timeout()), this, SIGNAL(finished()));
- connect(&_joinTimer, SIGNAL(timeout()), this, SLOT(joinTimeout()));
- connect(&_quitTimer, SIGNAL(timeout()), this, SLOT(quitTimeout()));
+ connect(&_joinTimer, SIGNAL(timeout()), this, SLOT(joinTimeout()));
+ connect(&_quitTimer, SIGNAL(timeout()), this, SLOT(quitTimeout()));
- // wait for a maximum of 1 hour until we discard the netsplit
- _discardTimer.start(3600000);
+ // wait for a maximum of 1 hour until we discard the netsplit
+ _discardTimer.start(3600000);
}
+
void Netsplit::userQuit(const QString &sender, const QStringList &channels, const QString &msg)
{
- if(_quitMsg.isEmpty())
- _quitMsg = msg;
- foreach(QString channel, channels) {
- _quits[channel].append(sender);
- }
- _quitCounter++;
- // now let's wait 10s to finish the netsplit-quit
- _quitTimer.start(10000);
+ if (_quitMsg.isEmpty())
+ _quitMsg = msg;
+ foreach(QString channel, channels) {
+ _quits[channel].append(sender);
+ }
+ _quitCounter++;
+ // now let's wait 10s to finish the netsplit-quit
+ _quitTimer.start(10000);
}
-bool Netsplit::userJoined(const QString &sender, const QString &channel) {
- if(!_quits.contains(channel))
- return false;
- QStringList &users = _quits[channel];
+bool Netsplit::userJoined(const QString &sender, const QString &channel)
+{
+ if (!_quits.contains(channel))
+ return false;
- QStringList::iterator userIter;
- const QString senderNick = nickFromMask(sender);
- for(userIter = users.begin(); userIter != users.end(); ++userIter) {
- if(nickFromMask(*userIter) == senderNick)
- break;
- }
- if(userIter == users.end())
- return false;
+ QStringList &users = _quits[channel];
- _joins[channel].first.append(*userIter);
- _joins[channel].second.append(QString());
+ QStringList::iterator userIter;
+ const QString senderNick = nickFromMask(sender);
+ for (userIter = users.begin(); userIter != users.end(); ++userIter) {
+ if (nickFromMask(*userIter) == senderNick)
+ break;
+ }
+ if (userIter == users.end())
+ return false;
- users.erase(userIter);
+ _joins[channel].first.append(*userIter);
+ _joins[channel].second.append(QString());
- if(users.empty())
- _quits.remove(channel);
+ users.erase(userIter);
- _joinCounter++;
+ if (users.empty())
+ _quits.remove(channel);
- if(_quits.empty()) // all users joined already - no need to wait
- _joinTimer.start(0);
- else // wait 30s to finish the netsplit-join
- _joinTimer.start(30000);
+ _joinCounter++;
- return true;
-}
+ if (_quits.empty()) // all users joined already - no need to wait
+ _joinTimer.start(0);
+ else // wait 30s to finish the netsplit-join
+ _joinTimer.start(30000);
-bool Netsplit::userAlreadyJoined(const QString &sender, const QString &channel) {
- if(_joins.value(channel).first.contains(sender))
return true;
- return false;
}
-void Netsplit::addMode(const QString &sender, const QString &channel, const QString &mode) {
- if(!_joins.contains(channel))
- return;
- int idx = _joins.value(channel).first.indexOf(sender);
- if(idx == -1)
- return;
- _joins[channel].second[idx].append(mode);
+
+bool Netsplit::userAlreadyJoined(const QString &sender, const QString &channel)
+{
+ if (_joins.value(channel).first.contains(sender))
+ return true;
+ return false;
+}
+
+
+void Netsplit::addMode(const QString &sender, const QString &channel, const QString &mode)
+{
+ if (!_joins.contains(channel))
+ return;
+ int idx = _joins.value(channel).first.indexOf(sender);
+ if (idx == -1)
+ return;
+ _joins[channel].second[idx].append(mode);
}
+
bool Netsplit::isNetsplit(const QString &quitMessage)
{
- // check if we find some common chars that disqualify the netsplit as such
- if(quitMessage.contains(':') || quitMessage.contains('/'))
- return false;
+ // check if we find some common chars that disqualify the netsplit as such
+ if (quitMessage.contains(':') || quitMessage.contains('/'))
+ return false;
- // now test if message consists only of two dns names as the RFC requests
- // but also allow the commonly used "*.net *.split"
- QRegExp hostRx("^(?:[\\w\\d-.]+|\\*)\\.[\\w\\d-]+\\s(?:[\\w\\d-.]+|\\*)\\.[\\w\\d-]+$");
- if(hostRx.exactMatch(quitMessage))
- return true;
+ // now test if message consists only of two dns names as the RFC requests
+ // but also allow the commonly used "*.net *.split"
+ QRegExp hostRx("^(?:[\\w\\d-.]+|\\*)\\.[\\w\\d-]+\\s(?:[\\w\\d-.]+|\\*)\\.[\\w\\d-]+$");
+ if (hostRx.exactMatch(quitMessage))
+ return true;
- return false;
+ return false;
}
+
void Netsplit::joinTimeout()
{
- if(!_sentQuit) {
- _quitTimer.stop();
- quitTimeout();
- }
-
- QHash<QString, QPair<QStringList, QStringList> >::iterator it;
-
- /*
- Try to catch server jumpers.
- If we have too few joins for a netsplit-quit,
- we assume that the users manually changed servers and join them
- without ending the netsplit.
- A netsplit is assumed over only if at least 1/3 of all quits had their corresponding
- join again.
- */
- if(_joinCounter < _quitCounter/3) {
- for(it = _joins.begin(); it != _joins.end(); ++it)
- emit earlyJoin(network(), it.key(), it.value().first, it.value().second);
-
- // we don't care about those anymore
- _joins.clear();
+ if (!_sentQuit) {
+ _quitTimer.stop();
+ quitTimeout();
+ }
- // restart the timer with 5min timeout
- // This might happen a few times if netsplit lasts longer.
- // As soon as another user joins, the timer is set to a shorter timeout again.
- _joinTimer.start(300000);
- return;
- }
-
- // send netsplitJoin for every recorded channel
- for(it = _joins.begin(); it != _joins.end(); ++it)
- emit netsplitJoin(network(), it.key(), it.value().first, it.value().second ,_quitMsg);
- _joins.clear();
- _discardTimer.stop();
- emit finished();
+ QHash<QString, QPair<QStringList, QStringList> >::iterator it;
+
+ /*
+ Try to catch server jumpers.
+ If we have too few joins for a netsplit-quit,
+ we assume that the users manually changed servers and join them
+ without ending the netsplit.
+ A netsplit is assumed over only if at least 1/3 of all quits had their corresponding
+ join again.
+ */
+ if (_joinCounter < _quitCounter/3) {
+ for (it = _joins.begin(); it != _joins.end(); ++it)
+ emit earlyJoin(network(), it.key(), it.value().first, it.value().second);
+
+ // we don't care about those anymore
+ _joins.clear();
+
+ // restart the timer with 5min timeout
+ // This might happen a few times if netsplit lasts longer.
+ // As soon as another user joins, the timer is set to a shorter timeout again.
+ _joinTimer.start(300000);
+ return;
+ }
+
+ // send netsplitJoin for every recorded channel
+ for (it = _joins.begin(); it != _joins.end(); ++it)
+ emit netsplitJoin(network(), it.key(), it.value().first, it.value().second, _quitMsg);
+ _joins.clear();
+ _discardTimer.stop();
+ emit finished();
}
+
void Netsplit::quitTimeout()
{
- // send netsplitQuit for every recorded channel
- QHash<QString, QStringList>::iterator channelIter;
- for(channelIter = _quits.begin(); channelIter != _quits.end(); ++channelIter) {
-
- QStringList usersToSend;
-
- foreach(QString user, channelIter.value()) {
- if(!_quitsWithMessageSent.value(channelIter.key()).contains(user)) {
- usersToSend << user;
- _quitsWithMessageSent[channelIter.key()].append(user);
- }
+ // send netsplitQuit for every recorded channel
+ QHash<QString, QStringList>::iterator channelIter;
+ for (channelIter = _quits.begin(); channelIter != _quits.end(); ++channelIter) {
+ QStringList usersToSend;
+
+ foreach(QString user, channelIter.value()) {
+ if (!_quitsWithMessageSent.value(channelIter.key()).contains(user)) {
+ usersToSend << user;
+ _quitsWithMessageSent[channelIter.key()].append(user);
+ }
+ }
+ // not yet sure how that could happen, but never send empty netsplit-quits
+ // anyway.
+ if (!usersToSend.isEmpty())
+ emit netsplitQuit(network(), channelIter.key(), usersToSend, _quitMsg);
}
- // not yet sure how that could happen, but never send empty netsplit-quits
- // anyway.
- if(!usersToSend.isEmpty())
- emit netsplitQuit(network(), channelIter.key(), usersToSend, _quitMsg);
- }
- _sentQuit = true;
+ _sentQuit = true;
}