libtransport.git Changeset - 58fbe0d388c6

Changeset - 58fbe0d388c6

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0 6 0

HanzZ - 12 years ago 2013-02-12 09:30:24
hanzz.k@gmail.com

Communi: Handle and forward socket errors. Fixes for example situation when user tries to join the room on server which does not exist.

6 files changed with 48 insertions and 6 deletions:

backends/libcommuni/ircnetworkplugin.cpp

backends/libcommuni/session.cpp

backends/libcommuni/session.h

include/transport/conversation.h

include/transport/protocol.proto

src/conversation.cpp

0 comments (0 inline, 0 general)

backends/libcommuni/ircnetworkplugin.cpp

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@@ @@ -50,155 +50,159 @@ void IRCNetworkPlugin::readData() { @@
 		return;
 	if (m_firstPing) {
 		m_firstPing = false;
 		// Users can join the network without registering if we allow
 		// one user to connect multiple IRC networks.
 		NetworkPlugin::PluginConfig cfg;
 		if (m_servers.empty()) {
 			cfg.setNeedRegistration(false);
+		}
 		cfg.setSupportMUC(true);
 		cfg.disableJIDEscaping();
 		sendConfig(cfg);
+	}
 	std::string d = std::string(m_socket->readAll().data(), availableBytes);
 	handleDataRead(d);
+}
 void IRCNetworkPlugin::sendData(const std::string &string) {
 	m_socket->write(string.c_str(), string.size());
+}
 MyIrcSession *IRCNetworkPlugin::createSession(const std::string &user, const std::string &hostname, const std::string &nickname, const std::string &password, const std::string &suffix) {
 	MyIrcSession *session = new MyIrcSession(user, this, suffix);
 	session->setUserName(FROM_UTF8(nickname));
 	session->setNickName(FROM_UTF8(nickname));
 	session->setRealName(FROM_UTF8(nickname));
 	session->setHost(FROM_UTF8(hostname));
 	session->setPort(6667);
 // 	session->setEncoding("UTF8");
 	if (!password.empty()) {
 		std::string identify = m_identify;
 		boost::replace_all(identify, "$password", password);
 		boost::replace_all(identify, "$name", nickname);
 		session->setIdentify(identify);
+	}
 	LOG4CXX_INFO(logger, user << ": Connecting " << hostname << " as " << nickname << ", suffix=" << suffix);
 	session->open();
 	return session;
+}
 void IRCNetworkPlugin::handleLoginRequest(const std::string &user, const std::string &legacyName, const std::string &password) {
 	if (!m_servers.empty()) {
-		// legacy name is users nickname
+		// legacy name is user's nickname
 		if (m_sessions[user] != NULL) {
 			LOG4CXX_WARN(logger, user << ": Already logged in.");
 			return;
+		}
 		m_sessions[user] = createSession(user, m_servers[m_currentServer], legacyName, password, "");
+	}
 	else {
 		// We are waiting for first room join to connect user to IRC network, because we don't know which
 		// network he choose...
 		LOG4CXX_INFO(logger, user << ": Ready for connections");
 		handleConnected(user);
+	}
+}
 void IRCNetworkPlugin::handleLogoutRequest(const std::string &user, const std::string &legacyName) {
 	if (m_sessions[user] == NULL) {
 		LOG4CXX_WARN(logger, user << ": Already disconnected.");
 		return;
+	}
 	LOG4CXX_INFO(logger, user << ": Disconnecting.");
 	m_sessions[user]->close();
 	m_sessions[user]->deleteLater();
 	m_sessions.erase(user);
+}
 std::string IRCNetworkPlugin::getSessionName(const std::string &user, const std::string &legacyName) {
 	std::string u = user;
 	if (!CONFIG_BOOL(config, "service.server_mode") && m_servers.empty()) {
 		u = user + legacyName.substr(legacyName.find("@") + 1);
 		if (u.find("/") != std::string::npos) {
 			u = u.substr(0, u.find("/"));
+		}
+	}
 	return u;
+}
 std::string IRCNetworkPlugin::getTargetName(const std::string &legacyName) {
 	std::string r = legacyName;
 // 	if (!CONFIG_BOOL(config, "service.server_mode")) {
 		if (legacyName.find("/") == std::string::npos) {
 			r = legacyName.substr(0, r.find("@"));
+		}
 		else {
 			r = legacyName.substr(legacyName.find("/") + 1);
+		}
 // 	}
 	return r;
+}
 void IRCNetworkPlugin::handleMessageSendRequest(const std::string &user, const std::string &legacyName, const std::string &message, const std::string &/*xhtml*/, const std::string &/*id*/) {
 	std::string session = getSessionName(user, legacyName);
 	if (m_sessions[session] == NULL) {
 		LOG4CXX_WARN(logger, user << ": Session name: " << session << ", No session for user");
 		return;
+	}
 	std::string target = getTargetName(legacyName);
 	// We are sending PM message. On XMPP side, user is sending PM using the particular channel,
 	// for example #room@irc.freenode.org/hanzz. On IRC side, we are forwarding this message
 	// just to "hanzz". Therefore we have to somewhere store, that message from "hanzz" should
 	// be mapped to #room@irc.freenode.org/hanzz.
 	if (legacyName.find("/") != std::string::npos) {
 		m_sessions[session]->addPM(target, legacyName.substr(0, legacyName.find("@")));
+	}
 	LOG4CXX_INFO(logger, user << ": Session name: " << session << ", message to " << target);
 	if (message.find("/me") == 0) {
 		m_sessions[session]->sendCommand(IrcCommand::createCtcpAction(FROM_UTF8(target), FROM_UTF8(message.substr(4))));
+	}
 	else {
 		m_sessions[session]->sendCommand(IrcCommand::createMessage(FROM_UTF8(target), FROM_UTF8(message)));
+	}
 	if (target.find("#") == 0) {
 		handleMessage(user, legacyName, message, TO_UTF8(m_sessions[session]->nickName()));
+	}
+}
 void IRCNetworkPlugin::handleRoomSubjectChangedRequest(const std::string &user, const std::string &room, const std::string &message) {
 	std::string session = getSessionName(user, room);
 	if (m_sessions[session] == NULL) {
 		LOG4CXX_WARN(logger, user << ": Session name: " << session << ", No session for user");
 		return;
+	}
 	std::string target = getTargetName(room);
 	m_sessions[session]->sendCommand(IrcCommand::createTopic(FROM_UTF8(target), FROM_UTF8(message)));
+}
 void IRCNetworkPlugin::handleJoinRoomRequest(const std::string &user, const std::string &room, const std::string &nickname, const std::string &password) {
 	std::string session = getSessionName(user, room);
 	std::string target = getTargetName(room);
 	LOG4CXX_INFO(logger, user << ": Session name: " << session << ", Joining room " << target);
 	if (m_sessions[session] == NULL) {
 		if (m_servers.empty()) {
 			// in gateway mode we want to login this user to network according to legacyName
 			if (room.find("@") != std::string::npos) {
 				// suffix is %irc.freenode.net to let MyIrcSession return #room%irc.freenode.net
 				m_sessions[session] = createSession(user, room.substr(room.find("@") + 1), nickname, "", room.substr(room.find("@")));
+			}
 			else {
 				LOG4CXX_WARN(logger, user << ": There's no proper server defined in room to which this user wants to join: " << room);
 				return;
+			}
+		}
 		else {
 			LOG4CXX_WARN(logger, user << ": Join room requested for unconnected user");

backends/libcommuni/session.cpp

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Show inline comments

@@ @@ -25,97 +25,121 @@ DEFINE_LOGGER(logger, "IRCSession"); @@
 static bool sentList;
 MyIrcSession::MyIrcSession(const std::string &user, IRCNetworkPlugin *np, const std::string &suffix, QObject* parent) : IrcSession(parent)
+{
 	this->np = np;
 	this->user = user;
 	this->suffix = suffix;
 	m_connected = false;
 	rooms = 0;
 	connect(this, SIGNAL(disconnected()), SLOT(on_disconnected()));
 	connect(this, SIGNAL(socketError(QAbstractSocket::SocketError)), SLOT(on_socketError(QAbstractSocket::SocketError)));
 	connect(this, SIGNAL(connected()), SLOT(on_connected()));
 	connect(this, SIGNAL(messageReceived(IrcMessage*)), this, SLOT(onMessageReceived(IrcMessage*)));
 	m_awayTimer = new QTimer(this);
 	connect(m_awayTimer, SIGNAL(timeout()), this, SLOT(awayTimeout()));
 	m_awayTimer->start(5*1000);
+}
 MyIrcSession::~MyIrcSession() {
 	delete m_awayTimer;
+}
 void MyIrcSession::on_connected() {
 	m_connected = true;
 	if (suffix.empty()) {
 		np->handleConnected(user);
 // 		if (!sentList) {
 // 			sendCommand(IrcCommand::createList("", ""));
 // 			sentList = true;
 // 		}
+	}
 // 	sendCommand(IrcCommand::createCapability("REQ", QStringList("away-notify")));
 	for(AutoJoinMap::iterator it = m_autoJoin.begin(); it != m_autoJoin.end(); it++) {
 		sendCommand(IrcCommand::createJoin(FROM_UTF8(it->second->getChannel()), FROM_UTF8(it->second->getPassword())));
+	}
 	if (getIdentify().find(" ") != std::string::npos) {
 		std::string to = getIdentify().substr(0, getIdentify().find(" "));
 		std::string what = getIdentify().substr(getIdentify().find(" ") + 1);
 		sendCommand(IrcCommand::createMessage(FROM_UTF8(to), FROM_UTF8(what)));
+	}
+}
 void MyIrcSession::on_socketError(QAbstractSocket::SocketError error) {
 	on_disconnected();
 	std::string reason;
 	switch(error) {
 		case QAbstractSocket::ConnectionRefusedError: reason = "The connection was refused by the peer (or timed out)."; break;
 		case QAbstractSocket::RemoteHostClosedError: reason = "The remote host closed the connection."; break;
 		case QAbstractSocket::HostNotFoundError: reason = "The host address was not found."; break;
 		case QAbstractSocket::SocketAccessError: reason = "The socket operation failed because the application lacked the required privileges."; break;
 		case QAbstractSocket::SocketResourceError: reason = "The local system ran out of resources."; break;
 		case QAbstractSocket::SocketTimeoutError: reason = "The socket operation timed out."; break;
 		case QAbstractSocket::DatagramTooLargeError: reason = "The datagram was larger than the operating system's limit."; break;
 		case QAbstractSocket::NetworkError: reason = "An error occurred with the network."; break;
 		case QAbstractSocket::SslHandshakeFailedError: reason = "The SSL/TLS handshake failed, so the connection was closed"; break;
 		case QAbstractSocket::UnknownSocketError: reason = "An unidentified error occurred."; break;
 		default: reason= "Unknown error."; break;
 	};
 	if (!suffix.empty()) {
 		for(AutoJoinMap::iterator it = m_autoJoin.begin(); it != m_autoJoin.end(); it++) {
 			np->handleParticipantChanged(user, TO_UTF8(nickName()), it->second->getChannel() + suffix, pbnetwork::PARTICIPANT_FLAG_ROOM_NOT_FOUND, pbnetwork::STATUS_NONE, reason);
+		}
+	}
 	else {
 		np->handleDisconnected(user, 0, reason);
 		np->tryNextServer();
+	}
 	m_connected = false;
+}
 void MyIrcSession::on_disconnected() {
 	if (suffix.empty()) {
 		np->handleDisconnected(user, 0, "");
 		np->tryNextServer();
+	}
 	m_connected = false;
+}
 bool MyIrcSession::correctNickname(std::string &nickname) {
 	bool flags = 0;
 	switch(nickname.at(0)) {
 		case '@': nickname = nickname.substr(1); flags = 1; break;
 		case '+': nickname = nickname.substr(1); break;
 		case '~': nickname = nickname.substr(1); break;
 		case '&': nickname = nickname.substr(1); break;
 		case '%': nickname = nickname.substr(1); break;
 		default: break;
+	}
 	return flags;
+}
 void MyIrcSession::on_joined(IrcMessage *message) {
 	IrcJoinMessage *m = (IrcJoinMessage *) message;
 	bool op = 0;
 	std::string nickname = TO_UTF8(m->sender().name());
 	op = correctNickname(nickname);
 	getIRCBuddy(TO_UTF8(m->channel().toLower()), nickname).setOp(op);
 	np->handleParticipantChanged(user, nickname, TO_UTF8(m->channel().toLower()) + suffix, op, pbnetwork::STATUS_ONLINE);
 	LOG4CXX_INFO(logger, user << ": " << nickname << " joined " << TO_UTF8(m->channel().toLower()) + suffix);
+}
 void MyIrcSession::on_parted(IrcMessage *message) {
 	IrcPartMessage *m = (IrcPartMessage *) message;
 	bool op = 0;
 	std::string nickname = TO_UTF8(m->sender().name());
 	op = correctNickname(nickname);
 	removeIRCBuddy(TO_UTF8(m->channel().toLower()), nickname);
 	LOG4CXX_INFO(logger, user << ": " << nickname << " parted " << TO_UTF8(m->channel().toLower()) + suffix);
 	np->handleParticipantChanged(user, nickname, TO_UTF8(m->channel().toLower()) + suffix, op, pbnetwork::STATUS_NONE, TO_UTF8(m->reason()));
+}
 void MyIrcSession::on_quit(IrcMessage *message) {
 	IrcQuitMessage *m = (IrcQuitMessage *) message;
 	for(AutoJoinMap::iterator it = m_autoJoin.begin(); it != m_autoJoin.end(); it++) {
 		bool op = 0;

backends/libcommuni/session.h

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@@ @@ -24,122 +24,127 @@ class IRCNetworkPlugin; @@
 class MyIrcSession : public IrcSession
+{
     Q_OBJECT
 public:
 	class AutoJoinChannel {
 		public:
 			AutoJoinChannel(const std::string &channel = "", const std::string &password = "", int awayCycle = 12) : m_channel(channel), m_password(password),
 				m_awayCycle(awayCycle), m_currentAwayTick(0) {}
 			virtual ~AutoJoinChannel() {}
 			const std::string &getChannel() { return m_channel; }
 			const std::string &getPassword() { return m_password; }
 			bool shouldAskWho() {
 				if (m_currentAwayTick == m_awayCycle) {
 					m_currentAwayTick = 0;
 					return true;
+				}
 				m_currentAwayTick++;
 				return false;
+			}
 		private:
 			std::string m_channel;
 			std::string m_password;
 			int m_awayCycle;
 			int m_currentAwayTick;
 	};
 	class IRCBuddy {
 		public:
 			IRCBuddy(bool op = false, bool away = false) : m_op(op), m_away(away) {};
 			void setOp(bool op) { m_op = op; }
 			bool isOp() { return m_op; }
 			void setAway(bool away) { m_away = away; }
 			bool isAway() { return m_away; }
 		private:
 			bool m_op;
 			bool m_away;
 	};
 	typedef std::map<std::string, boost::shared_ptr<AutoJoinChannel> > AutoJoinMap;
 	typedef std::map<std::string, std::map<std::string, IRCBuddy> > IRCBuddyMap;
 	MyIrcSession(const std::string &user, IRCNetworkPlugin *np, const std::string &suffix = "", QObject* parent = 0);
 	virtual ~MyIrcSession();
 	std::string suffix;
 	int rooms;
 	void addAutoJoinChannel(const std::string &channel, const std::string &password) {
 		m_autoJoin[channel] = boost::make_shared<AutoJoinChannel>(channel, password, 12 + m_autoJoin.size());
+	}
 	void removeAutoJoinChannel(const std::string &channel) {
 		m_autoJoin.erase(channel);
 		removeIRCBuddies(channel);
+	}
 	// We are sending PM message. On XMPP side, user is sending PM using the particular channel,
 	// for example #room@irc.freenode.org/hanzz. On IRC side, we are forwarding this message
 	// just to "hanzz". Therefore we have to somewhere store, that message from "hanzz" should
 	// be mapped to #room@irc.freenode.org/hanzz.
 	void addPM(const std::string &name, const std::string &room) {
 		m_pms[name] = room;
+	}
 	void setIdentify(const std::string &identify) {
 		m_identify = identify;
+	}
 	const std::string  &getIdentify() {
 		return m_identify;
+	}
 	bool hasIRCBuddy(const std::string &channel, const std::string &name) {
 		return m_buddies[channel].find(name) != m_buddies[channel].end();
+	}
 	IRCBuddy &getIRCBuddy(const std::string &channel, const std::string &name) {
 		return m_buddies[channel][name];
+	}
 	void removeIRCBuddy(const std::string &channel, const std::string &name) {
 		m_buddies[channel].erase(name);
+	}
 	void removeIRCBuddies(const std::string &channel) {
 		m_buddies.erase(channel);
+	}
 	bool correctNickname(std::string &nickname);
 	void on_joined(IrcMessage *message);
 	void on_parted(IrcMessage *message);
 	void on_quit(IrcMessage *message);
 	void on_nickChanged(IrcMessage *message);
 	void on_modeChanged(IrcMessage *message);
 	void on_topicChanged(IrcMessage *message);
 	void on_messageReceived(IrcMessage *message);
 	void on_numericMessageReceived(IrcMessage *message);
 	std::string suffix;
 	int rooms;
 protected Q_SLOTS:
 	void on_connected();
 	void on_disconnected();
 	void on_socketError(QAbstractSocket::SocketError error);
 	void onMessageReceived(IrcMessage* message);
 	void awayTimeout();
 protected:
 	IRCNetworkPlugin *np;
 	std::string user;
 	std::string m_identify;
 	AutoJoinMap m_autoJoin;
 	std::string m_topicData;
 	bool m_connected;
 	std::list<std::string> m_rooms;
 	std::list<std::string> m_names;
 	std::map<std::string, std::string> m_pms;
 	IRCBuddyMap m_buddies;
 	QTimer *m_awayTimer;
 };
 #endif // SESSION_H

include/transport/conversation.h

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 /**
  * XMPP - libpurple transport
+ *
  * Copyright (C) 2009, Jan Kaluza <hanzz@soc.pidgin.im>
+ *
  * This program 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; either version 2 of the License, or
  * (at your option) any later version.
+ *
  * 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, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  */
 #pragma once
 #include <string>
 #include <algorithm>
 #include "transport/transport.h"
 #include "Swiften/Elements/Message.h"
 namespace Transport {
 class ConversationManager;
 /// Represents one XMPP-Legacy network conversation.
 class Conversation {
 	public:
 		typedef enum {
 			PARTICIPANT_FLAG_NONE = 0,
 			PARTICIPANT_FLAG_MODERATOR = 1,
 			PARTICIPANT_FLAG_CONFLICT = 2,
 			PARTICIPANT_FLAG_BANNED = 4,
 			PARTICIPANT_FLAG_NOT_AUTHORIZED = 8,
 			PARTICIPANT_FLAG_ME = 16,
 			PARTICIPANT_FLAG_KICKED = 32
 			PARTICIPANT_FLAG_KICKED = 32,
 			PARTICIPANT_FLAG_ROOM_NOT_FOUD = 64
 		} ParticipantFlag;
 		typedef struct _Participant {
 			ParticipantFlag flag;
 			int status;
 			std::string statusMessage;
 		} Participant;
 		/// Creates new conversation.
 		/// \param conversationManager ConversationManager associated with this Conversation.
 		/// \param legacyName Legacy network name of recipient.
 		/// \param muc True if this conversation is Multi-user chat.
 		Conversation(ConversationManager *conversationManager, const std::string &legacyName, bool muc = false);
 		/// Destructor.
 		virtual ~Conversation();
 		/// Returns legacy network name of this conversation.
 		/// \return legacy network name of this conversation.
 		const std::string &getLegacyName() { return m_legacyName; }
 		/// Handles new message from Legacy network and forwards it to XMPP.
 		/// \param message Message received from legacy network.
 		/// \param nickname For MUC conversation this is nickname of room participant who sent this message.
 		void handleMessage(boost::shared_ptr<Swift::Message> &message, const std::string &nickname = "");
 		void handleRawMessage(boost::shared_ptr<Swift::Message> &message);
 		/// Handles participant change in MUC.
 		/// \param nickname Nickname of participant which changed.
 		/// \param flag ParticipantFlag.
 		/// \param status Current status of this participant.
 		/// \param statusMessage Current status message of this participant.
 		/// \param newname If participant was renamed, this variable contains his new name.
 		void handleParticipantChanged(const std::string &nickname, ParticipantFlag flag, int status = Swift::StatusShow::None, const std::string &statusMessage = "", const std::string &newname = "");
 		/// Sets XMPP user nickname in MUC rooms.
 		/// \param nickname XMPP user nickname in MUC rooms.
 		void setNickname(const std::string &nickname) {
 			m_nickname = nickname;
+		}
 		const std::string &getNickname() {

include/transport/protocol.proto

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@@ @@ -50,96 +50,97 @@ message Login { @@
 message Logout {
 	required string user = 1;
 	required string legacyName = 2;
+}
 message Buddy {
 	required string userName = 1;
 	required string buddyName = 2;
 	optional string alias = 3;
 	repeated string group = 4;
 	optional StatusType status = 5;
 	optional string statusMessage = 6;
 	optional string iconHash = 7;
 	optional bool blocked = 8;
+}
 message ConversationMessage {
 	required string userName = 1;
 	required string buddyName = 2;
 	required string message = 3;
 	optional string nickname = 4;
 	optional string xhtml = 5;
 	optional string timestamp = 6;
 	optional bool headline = 7;
 	optional string id = 8;
 	optional bool pm = 9;
+}
 message Room {
 	required string userName = 1;
 	required string nickname = 2;
 	required string room = 3;
 	optional string password = 4;
+}
 message RoomList {
 	repeated string room = 1;
 	repeated string name = 2;
+}
 enum ParticipantFlag {
 	PARTICIPANT_FLAG_NONE = 0;
 	PARTICIPANT_FLAG_MODERATOR = 1;
 	PARTICIPANT_FLAG_CONFLICT = 2;
 	PARTICIPANT_FLAG_BANNED = 4;
 	PARTICIPANT_FLAG_NOT_AUTHORIZED = 8;
 	PARTICIPANT_FLAG_ME = 16;
 	PARTICIPANT_FLAG_KICKED = 32;
 	PARTICIPANT_FLAG_ROOM_NOT_FOUND = 64;
+}
 message Participant {
 	required string userName = 1;
 	required string room = 2;
 	required string nickname = 3;
 	required int32 flag = 4;
 	required StatusType status = 5;
 	optional string statusMessage = 6;
 	optional string newname = 7;
+}
 message VCard {
 	required string userName = 1;
 	required string buddyName = 2;
 	required int32 id = 3;
 	optional string fullname = 4;
 	optional string nickname = 5;
 	optional bytes photo = 6;
+}
 message Status {
 	required string userName = 1;
 	required StatusType status = 3;
 	optional string statusMessage = 4;
+}
 message Stats {
 	required int32 res = 1;
 	required int32 init_res = 2;
 	required int32 shared = 3;
 	required string id = 4;
+}
 message File {
 	required string userName = 1;
 	required string buddyName = 2;
 	required string fileName = 3;
 	required int32 size = 4;
 	optional int32 ftID = 5;
+}
 message FileTransferData {
 	required int32 ftID = 1;
 	required bytes data = 2;
+}
 message BackendConfig {

src/conversation.cpp

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 	for (std::list<boost::shared_ptr<Swift::Message> >::const_iterator it = m_cachedMessages.begin(); it != m_cachedMessages.end(); it++) {
 		if (to.isValid()) {
 			(*it)->setTo(to);
+		}
 		else {
 			(*it)->setTo(m_jid.toBare());
+		}
 		m_conversationManager->getComponent()->getStanzaChannel()->sendMessage(*it);
+	}
 	m_cachedMessages.clear();
+}
 Swift::Presence::ref Conversation::generatePresence(const std::string &nick, int flag, int status, const std::string &statusMessage, const std::string &newname) {
 	std::string nickname = nick;
 	Swift::Presence::ref presence = Swift::Presence::create();
 	std::string legacyName = m_legacyName;
 	if (m_muc) {
 		if (legacyName.find_last_of("@") != std::string::npos) {
 			legacyName.replace(legacyName.find_last_of("@"), 1, "%"); // OK
+		}
+	}
 	presence->setFrom(Swift::JID(legacyName, m_conversationManager->getComponent()->getJID().toBare(), nickname));
 	presence->setType(Swift::Presence::Available);
 	if (!statusMessage.empty())
 		presence->setStatus(statusMessage);
 	Swift::StatusShow s((Swift::StatusShow::Type) status);
 	if (s.getType() == Swift::StatusShow::None) {
 		presence->setType(Swift::Presence::Unavailable);
+	}
 	presence->setShow(s.getType());
 	Swift::MUCUserPayload *p = new Swift::MUCUserPayload ();
 	if (m_nickname == nickname) {
 		if (flag & PARTICIPANT_FLAG_CONFLICT) {
 			delete p;
 			presence->setType(Swift::Presence::Error);
 			presence->addPayload(boost::shared_ptr<Swift::Payload>(new Swift::MUCPayload()));
 			presence->addPayload(boost::shared_ptr<Swift::Payload>(new Swift::ErrorPayload(Swift::ErrorPayload::Conflict)));
 			return presence;
+		}
 		else if (flag & PARTICIPANT_FLAG_NOT_AUTHORIZED) {
 			delete p;
 			presence->setType(Swift::Presence::Error);
 			presence->addPayload(boost::shared_ptr<Swift::Payload>(new Swift::MUCPayload()));
 			presence->addPayload(boost::shared_ptr<Swift::Payload>(new Swift::ErrorPayload(Swift::ErrorPayload::NotAuthorized, Swift::ErrorPayload::Auth)));
 			presence->addPayload(boost::shared_ptr<Swift::Payload>(new Swift::ErrorPayload(Swift::ErrorPayload::NotAuthorized, Swift::ErrorPayload::Auth, statusMessage)));
 			return presence;
+		}
 		else if (flag & PARTICIPANT_FLAG_ROOM_NOT_FOUD) {
 			delete p;
 			presence->setType(Swift::Presence::Error);
 			presence->addPayload(boost::shared_ptr<Swift::Payload>(new Swift::MUCPayload()));
 			presence->addPayload(boost::shared_ptr<Swift::Payload>(new Swift::ErrorPayload(Swift::ErrorPayload::ItemNotFound, Swift::ErrorPayload::Cancel, statusMessage)));
 			return presence;
+		}
 		else {
 			Swift::MUCUserPayload::StatusCode c;
 			c.code = 110;
 			p->addStatusCode(c);
 			m_sentInitialPresence = true;
+		}
+	}
 	Swift::MUCItem item;
 	item.affiliation = Swift::MUCOccupant::Member;
 	item.role = Swift::MUCOccupant::Participant;
 	if (flag & PARTICIPANT_FLAG_MODERATOR) {
 		item.affiliation = Swift::MUCOccupant::Admin;
 		item.role = Swift::MUCOccupant::Moderator;
+	}
 	if (!newname.empty()) {
 		item.nick = newname;
 		Swift::MUCUserPayload::StatusCode c;
 		c.code = 303;
 		p->addStatusCode(c);
 		presence->setType(Swift::Presence::Unavailable);
+	}
 	p->addItem(item);
 	presence->addPayload(boost::shared_ptr<Swift::Payload>(p));
 	return presence;
+}
 void Conversation::handleParticipantChanged(const std::string &nick, Conversation::ParticipantFlag flag, int status, const std::string &statusMessage, const std::string &newname) {
 	Swift::Presence::ref presence = generatePresence(nick, flag, status, statusMessage, newname);
 	if (presence->getType() == Swift::Presence::Unavailable) {
 		m_participants.erase(nick);
+	}
 	else {
 		Participant p;
 		p.flag = flag;
 		p.status = status;
 		p.statusMessage = statusMessage;
 		m_participants[nick] = p;
+	}

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