Disconnect XMPP user if backend crashes or is killed

This commit is contained in:
Jan Kaluza 2011-05-27 14:57:44 +02:00
parent cd64ebc24f
commit 3dc02f0cb3
4 changed files with 63 additions and 52 deletions

View file

@ -1445,7 +1445,7 @@ DOT_IMAGE_FORMAT = png
# The tag DOT_PATH can be used to specify the path where the dot tool can be
# found. If left blank, it is assumed the dot tool can be found in the path.
DOT_PATH = ""
DOT_PATH = "/usr/bin"
# The DOTFILE_DIRS tag can be used to specify one or more directories that
# contain dot files that are included in the documentation (see the

View file

@ -44,6 +44,7 @@ class NetworkPluginServer {
bool pongReceived;
std::list<User *> users;
std::string data;
boost::shared_ptr<Swift::Connection> connection;
};
NetworkPluginServer(Component *component, Config *config, UserManager *userManager);
@ -54,8 +55,8 @@ class NetworkPluginServer {
private:
void handleNewClientConnection(boost::shared_ptr<Swift::Connection> c);
void handleSessionFinished(boost::shared_ptr<Swift::Connection>);
void handleDataRead(boost::shared_ptr<Swift::Connection>, const Swift::ByteArray&);
void handleSessionFinished(Client *c);
void handleDataRead(Client *c, const Swift::ByteArray&);
void handleConnectedPayload(const std::string &payload);
void handleDisconnectedPayload(const std::string &payload);
@ -73,13 +74,13 @@ class NetworkPluginServer {
void send(boost::shared_ptr<Swift::Connection> &, const std::string &data);
void pingTimeout();
void sendPing(boost::shared_ptr<Swift::Connection> c);
boost::shared_ptr<Swift::Connection> getFreeClient();
void sendPing(Client *c);
Client *getFreeClient();
UserManager *m_userManager;
Config *m_config;
boost::shared_ptr<Swift::ConnectionServer> m_server;
std::map<boost::shared_ptr<Swift::Connection>, Client > m_clients;
std::list<Client *> m_clients;
Swift::Timer::ref m_pingTimer;
};

View file

@ -97,7 +97,6 @@ class User {
bool m_readyForConnect;
Swift::Timer::ref m_reconnectTimer;
boost::shared_ptr<Swift::Connection> connection;
friend class NetworkPluginServer;
};
}

View file

@ -126,27 +126,30 @@ NetworkPluginServer::~NetworkPluginServer() {
}
void NetworkPluginServer::handleNewClientConnection(boost::shared_ptr<Swift::Connection> c) {
Client client;
client.pongReceived = true;
Client *client = new Client;
client->pongReceived = true;
client->connection = c;
m_clients[c] = client;
m_clients.push_back(client);
c->onDisconnected.connect(boost::bind(&NetworkPluginServer::handleSessionFinished, this, c));
c->onDataRead.connect(boost::bind(&NetworkPluginServer::handleDataRead, this, c, _1));
sendPing(c);
c->onDisconnected.connect(boost::bind(&NetworkPluginServer::handleSessionFinished, this, client));
c->onDataRead.connect(boost::bind(&NetworkPluginServer::handleDataRead, this, client, _1));
sendPing(client);
m_pingTimer->start();
}
void NetworkPluginServer::handleSessionFinished(boost::shared_ptr<Swift::Connection> c) {
for (std::list<User *>::const_iterator it = m_clients[c].users.begin(); it != m_clients[c].users.end(); it++) {
void NetworkPluginServer::handleSessionFinished(Client *c) {
for (std::list<User *>::const_iterator it = c->users.begin(); it != c->users.end(); it++) {
(*it)->setData(NULL);
(*it)->handleDisconnected("Internal Server Error, please reconnect.");
}
m_clients.erase(c);
m_clients.remove(c);
delete c;
// Execute new session only if there's no free one after this crash/disconnection
for (std::map<boost::shared_ptr<Swift::Connection>, Client>::const_iterator it = m_clients.begin(); it != m_clients.end(); it++) {
if ((*it).second.users.size() < 1) {
for (std::list<Client *>::const_iterator it = m_clients.begin(); it != m_clients.end(); it++) {
if ((*it)->users.size() < 1) {
return;
}
}
@ -277,25 +280,25 @@ void NetworkPluginServer::handleConvMessagePayload(const std::string &data, bool
conv->handleMessage(msg, payload.nickname());
}
void NetworkPluginServer::handleDataRead(boost::shared_ptr<Swift::Connection> c, const Swift::ByteArray &data) {
void NetworkPluginServer::handleDataRead(Client *c, const Swift::ByteArray &data) {
long expected_size = 0;
m_clients[c].data += data.toString();
c->data += data.toString();
// std::cout << "received data; size = " << m_data.size() << "\n";
while (m_clients[c].data.size() != 0) {
if (m_clients[c].data.size() >= 4) {
unsigned char * head = (unsigned char*) m_clients[c].data.c_str();
while (c->data.size() != 0) {
if (c->data.size() >= 4) {
unsigned char * head = (unsigned char*) c->data.c_str();
expected_size = (((((*head << 8) | *(head + 1)) << 8) | *(head + 2)) << 8) | *(head + 3);
//expected_size = m_data[0];
// std::cout << "expected_size=" << expected_size << "\n";
if (m_clients[c].data.size() - 4 < expected_size)
if (c->data.size() - 4 < expected_size)
return;
}
else {
return;
}
std::string msg = m_clients[c].data.substr(4, expected_size);
m_clients[c].data.erase(0, 4 + expected_size);
std::string msg = c->data.substr(4, expected_size);
c->data.erase(0, 4 + expected_size);
pbnetwork::WrapperMessage wrapper;
if (wrapper.ParseFromString(msg) == false) {
@ -320,7 +323,7 @@ void NetworkPluginServer::handleDataRead(boost::shared_ptr<Swift::Connection> c,
handleConvMessagePayload(wrapper.payload(), true);
break;
case pbnetwork::WrapperMessage_Type_TYPE_PONG:
m_clients[c].pongReceived = true;
c->pongReceived = true;
break;
case pbnetwork::WrapperMessage_Type_TYPE_PARTICIPANT_CHANGED:
handleParticipantChangedPayload(wrapper.payload());
@ -344,9 +347,9 @@ void NetworkPluginServer::send(boost::shared_ptr<Swift::Connection> &c, const st
void NetworkPluginServer::pingTimeout() {
std::cout << "pingtimeout\n";
for (std::map<boost::shared_ptr<Swift::Connection>, Client>::const_iterator it = m_clients.begin(); it != m_clients.end(); it++) {
if ((*it).second.pongReceived) {
sendPing((*it).first);
for (std::list<Client *>::const_iterator it = m_clients.begin(); it != m_clients.end(); it++) {
if ((*it)->pongReceived) {
sendPing((*it));
m_pingTimer->start();
}
else {
@ -356,8 +359,9 @@ void NetworkPluginServer::pingTimeout() {
}
void NetworkPluginServer::handleUserCreated(User *user) {
user->connection = getFreeClient();
m_clients[user->connection].users.push_back(user);
Client *c = getFreeClient();
user->setData(c);
c->users.push_back(user);
// UserInfo userInfo = user->getUserInfo();
user->onReadyToConnect.connect(boost::bind(&NetworkPluginServer::handleUserReadyToConnect, this, user));
@ -378,7 +382,8 @@ void NetworkPluginServer::handleUserReadyToConnect(User *user) {
WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_LOGIN);
send(user->connection, message);
Client *c = (Client *) user->getData();
send(c->connection, message);
}
void NetworkPluginServer::handleRoomJoined(User *user, const std::string &r, const std::string &nickname, const std::string &password) {
@ -395,7 +400,8 @@ void NetworkPluginServer::handleRoomJoined(User *user, const std::string &r, con
WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_JOIN_ROOM);
send(user->connection, message);
Client *c = (Client *) user->getData();
send(c->connection, message);
NetworkConversation *conv = new NetworkConversation(user->getConversationManager(), r, true);
conv->onMessageToSend.connect(boost::bind(&NetworkPluginServer::handleMessageReceived, this, _1, _2));
@ -416,7 +422,8 @@ void NetworkPluginServer::handleRoomLeft(User *user, const std::string &r) {
WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_LEAVE_ROOM);
send(user->connection, message);
Client *c = (Client *) user->getData();
send(c->connection, message);
NetworkConversation *conv = (NetworkConversation *) user->getConversationManager()->getConversation(r);
if (!conv) {
@ -438,14 +445,17 @@ void NetworkPluginServer::handleUserDestroyed(User *user) {
WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_LOGOUT);
send(user->connection, message);
m_clients[user->connection].users.remove(user);
if (m_clients[user->connection].users.size() == 0) {
Client *c = (Client *) user->getData();
if (!c) {
return;
}
send(c->connection, message);
c->users.remove(user);
if (c->users.size() == 0) {
std::cout << "DISCONNECTING\n";
user->connection->disconnect();
user->connection.reset();
m_clients.erase(user->connection);
c->connection->disconnect();
c->connection.reset();
// m_clients.erase(user->connection);
}
}
@ -460,31 +470,32 @@ void NetworkPluginServer::handleMessageReceived(NetworkConversation *conv, boost
WRAP(message, pbnetwork::WrapperMessage_Type_TYPE_CONV_MESSAGE);
send(conv->getConversationManager()->getUser()->connection, message);
Client *c = (Client *) conv->getConversationManager()->getUser()->getData();
send(c->connection, message);
}
void NetworkPluginServer::sendPing(boost::shared_ptr<Swift::Connection> c) {
void NetworkPluginServer::sendPing(Client *c) {
std::string message;
pbnetwork::WrapperMessage wrap;
wrap.set_type(pbnetwork::WrapperMessage_Type_TYPE_PING);
wrap.SerializeToString(&message);
send(c, message);
m_clients[c].pongReceived = false;
send(c->connection, message);
c->pongReceived = false;
std::cout << "SENDING PING\n";
}
boost::shared_ptr<Swift::Connection> NetworkPluginServer::getFreeClient() {
for (std::map<boost::shared_ptr<Swift::Connection>, Client>::const_iterator it = m_clients.begin(); it != m_clients.end(); it++) {
if ((*it).second.users.size() < 1) {
if ((*it).second.users.size() + 1 == 1) {
NetworkPluginServer::Client *NetworkPluginServer::getFreeClient() {
for (std::list<Client *>::const_iterator it = m_clients.begin(); it != m_clients.end(); it++) {
if ((*it)->users.size() < 1) {
if ((*it)->users.size() + 1 == 1) {
exec_(CONFIG_STRING(m_config, "service.backend").c_str(), "localhost", "10000", m_config->getConfigFile().c_str());
}
return (*it).first;
return (*it);
}
}
return boost::shared_ptr<Swift::Connection>();
return NULL;
}
}