bool SyncSourceFeedback::_connect(const std::string& hostName) {
if (hasConnection()) {
return true;
}
log() << "replset setting syncSourceFeedback to " << hostName << rsLog;
_connection.reset(new DBClientConnection(false, 0, OplogReader::tcp_timeout));
string errmsg;
try {
if (!_connection->connect(hostName.c_str(), errmsg) ||
(getGlobalAuthorizationManager()->isAuthEnabled() && !replAuthenticate())) {
resetConnection();
log() << "repl: " << errmsg << endl;
return false;
}
}
catch (const DBException& e) {
log() << "Error connecting to " << hostName << ": " << e.what();
resetConnection();
return false;
}
if (!replHandshake()) {
if (!supportsUpdater()) {
return connectOplogReader(hostName);
}
return false;
}
return true;
}
void SyncSourceFeedback::run() {
Client::initThread("SyncSourceFeedbackThread");
OperationContextImpl txn;
bool positionChanged = false;
bool handshakeNeeded = false;
ReplicationCoordinator* replCoord = getGlobalReplicationCoordinator();
while (!inShutdown()) { // TODO(spencer): Remove once legacy repl coordinator is gone.
{
boost::unique_lock<boost::mutex> lock(_mtx);
while (!_positionChanged && !_handshakeNeeded && !_shutdownSignaled) {
_cond.wait(lock);
}
if (_shutdownSignaled) {
break;
}
positionChanged = _positionChanged;
handshakeNeeded = _handshakeNeeded;
_positionChanged = false;
_handshakeNeeded = false;
}
MemberState state = replCoord->getCurrentMemberState();
if (state.primary() || state.fatal() || state.startup()) {
continue;
}
const Member* target = BackgroundSync::get()->getSyncTarget();
if (_syncTarget != target) {
_resetConnection();
_syncTarget = target;
}
if (!hasConnection()) {
// fix connection if need be
if (!target) {
sleepmillis(500);
continue;
}
if (!_connect(&txn, target->fullName())) {
sleepmillis(500);
continue;
}
}
if (handshakeNeeded) {
if (!replHandshake(&txn)) {
boost::unique_lock<boost::mutex> lock(_mtx);
_handshakeNeeded = true;
continue;
}
}
if (positionChanged) {
if (!updateUpstream(&txn)) {
boost::unique_lock<boost::mutex> lock(_mtx);
_positionChanged = true;
}
}
}
cc().shutdown();
}
void ConnectionEditor::updateConnectButton()
{
bool itemsSelected = signalBox->currentItem() != -1 && slotBox->currentItem() != -1;
bool notConnected = !itemsSelected || !hasConnection(m_sender->name(), signalBox->currentText(),
m_receiver->name(), slotBox->currentText());
bool connectionAllowed = notConnected && checkConnectArgs(MetaDataBase::normalizeSlot(signalBox->currentText()).latin1(),
m_receiver, MetaDataBase::normalizeSlot(slotBox->currentText()).latin1());
connectButton->setEnabled(itemsSelected && notConnected && connectionAllowed);
}
void Room::removeConnection(RoomDirection direction) {
if (hasConnection(direction))
{
Room * opposite = this->connected[direction];
RoomDirection oppositeDirection = getOpposite(direction);
if (opposite->hasConnection(oppositeDirection))
opposite->setFromOpposite(oppositeDirection, nullptr);
}
this->connected[direction] = nullptr;
}
void SyncSourceFeedback::run() {
Client::initThread("SyncSourceFeedback");
ReplicationCoordinator* replCoord = getGlobalReplicationCoordinator();
while (true) { // breaks once _shutdownSignaled is true
{
stdx::unique_lock<stdx::mutex> lock(_mtx);
while (!_positionChanged && !_shutdownSignaled) {
if (_cond.wait_for(lock, _keepAliveInterval) == stdx::cv_status::timeout) {
break;
}
}
if (_shutdownSignaled) {
break;
}
_positionChanged = false;
}
auto txn = cc().makeOperationContext();
MemberState state = replCoord->getMemberState();
if (state.primary() || state.startup()) {
_resetConnection();
continue;
}
const HostAndPort target = BackgroundSync::get()->getSyncTarget();
if (_syncTarget != target) {
_resetConnection();
_syncTarget = target;
}
if (!hasConnection()) {
// fix connection if need be
if (target.empty()) {
sleepmillis(500);
stdx::unique_lock<stdx::mutex> lock(_mtx);
_positionChanged = true;
continue;
}
if (!_connect(txn.get(), target)) {
sleepmillis(500);
stdx::unique_lock<stdx::mutex> lock(_mtx);
_positionChanged = true;
continue;
}
}
Status status = updateUpstream(txn.get());
if (!status.isOK()) {
sleepmillis(500);
stdx::unique_lock<stdx::mutex> lock(_mtx);
_positionChanged = true;
}
}
}
void sendMsg(unsigned id, F f, O o, Message msg)
{
if (hasConnection(id)) {
PtrBuffer buffer = getSendBuffer(id);
ostream os(&(*buffer));
os << msg.serialize() << '\0';
async_write(*getSocket(id), *buffer,
bind(&ConnectionList::_sendMsg<F, O>, this, id, f, o, msg, _1, _2));
}
}
void _recvMsg(unsigned id, F f, O o, const error_code& ec, size_t bytes)
{
if (ec == error::eof || bytes < 1)
(o->*f)(id, Message(Message::MSG_EOF));
else {
if (hasConnection(id)) {
PtrBuffer buffer = getRecvBuffer(id);
Message msg(buffer);
(o->*f)(id, msg);
}
}
}
void Client::readyForUse()
{
Connection *connection = qobject_cast<Connection *>(sender());
if (!connection || hasConnection(connection->peerAddress(),
connection->peerPort()))
return;
connect(connection, SIGNAL(newMessage(QString,QString)), this, SIGNAL(newMessage(QString,QString)));
connect(connection, SIGNAL(newCode(QString,QString)), this, SIGNAL(newCode(QString,QString)));
peers.insert(connection->peerAddress(), connection);
QString nick = connection->name();
if (!nick.isEmpty())
emit newParticipant(nick);
}
bool SyncSourceFeedback::_connect(OperationContext* txn, const HostAndPort& host) {
if (hasConnection()) {
return true;
}
log() << "replset setting syncSourceFeedback to " << host.toString() << rsLog;
_connection.reset(new DBClientConnection(false, 0, OplogReader::tcp_timeout));
string errmsg;
try {
if (!_connection->connect(host, errmsg) ||
(getGlobalAuthorizationManager()->isAuthEnabled() && !replAuthenticate())) {
_resetConnection();
log() << "repl: " << errmsg << endl;
return false;
}
}
catch (const DBException& e) {
log() << "Error connecting to " << host.toString() << ": " << e.what();
_resetConnection();
return false;
}
return hasConnection();
}
void SyncSourceFeedback::run() {
Client::initThread("SyncSourceFeedbackThread");
while (true) {
{
boost::unique_lock<boost::mutex> lock(_mtx);
while (!_positionChanged && !_handshakeNeeded) {
_cond.wait(lock);
}
boost::unique_lock<boost::mutex> conlock(_connmtx);
const Member* target = replset::BackgroundSync::get()->getSyncTarget();
if (_syncTarget != target) {
resetConnection();
_syncTarget = target;
}
if (!hasConnection()) {
// fix connection if need be
if (!target) {
continue;
}
if (!_connect(target->fullName())) {
continue;
}
else if (!supportsUpdater()) {
_handshakeNeeded = false;
_positionChanged = false;
continue;
}
}
if (_handshakeNeeded) {
if (!replHandshake()) {
_handshakeNeeded = true;
continue;
}
else {
_handshakeNeeded = false;
}
}
if (_positionChanged) {
if (!updateUpstream()) {
_positionChanged = true;
continue;
}
else {
_positionChanged = false;
}
}
}
}
}
Room * Room::moveTo(RoomDirection dir)
{
if (hasConnection(dir))
{
connected[dir]->setVisiting(true);
connected[dir]->setVisited();
this->setVisiting(false);
return connected[dir];
}
else
{
return this;
}
}
/**
* startUpMethod function
* Old login funtion
*/
void TwitterApp::startUpMethod() {
if (hasConnection()) {
std::string tempname;
if (userID[0] == '@')
{
tempname = userID.substr(1, userID.length());
}
else {
tempname = userID;
}
rapidjson::Document temp = (TwitterApp::getInstance()->getTwitter()->showUser(tempname, false));
userID = temp["id_str"].GetString();
profileContentArea->setCurProfile(userID);
changeState(WALL);
}
}
bool SyncSourceFeedback::_connect(const std::string& hostName) {
if (hasConnection()) {
return true;
}
_connection.reset(new DBClientConnection(false, 0, OplogReader::tcp_timeout));
string errmsg;
if (!_connection->connect(hostName.c_str(), errmsg) ||
(AuthorizationManager::isAuthEnabled() && !replAuthenticate(true))) {
resetConnection();
log() << "repl: " << errmsg << endl;
return false;
}
if (!replHandshake()) {
if (!supportsUpdater()) {
return connectOplogReader(hostName);
}
return false;
}
return true;
}
void ConnectionEditor::connectClicked()
{
if (signalBox->currentItem() == -1 || slotBox->currentItem() == -1)
return;
if (hasConnection(m_sender->name(), signalBox->currentText(), m_receiver->name(),
slotBox->currentText()))
return;
MetaDataBase::Connection conn;
conn.sender = m_sender;
conn.signal = signalBox->currentText();
conn.slot = slotBox->currentText();
conn.receiver = m_receiver;
KListViewItem *i = new KListViewItem(connectionView, m_sender->name(), conn.signal, m_receiver->name(),
conn.slot);
i->setPixmap(0, PixmapChooser::loadPixmap("connecttool.xpm"));
connectionView->setCurrentItem(i);
connectionView->setSelected(i, true);
m_connections.insert(i, conn);
connectButton->setEnabled(false);
updateDisconnectButton();
}
/***************************************************************************
* connectRooms
* Parameter: roomA - the first room
* roomB - the second room
* Description: This function create a door/connection between two room.
* This will only generate a connection if the rooms have available
* space to add dorrs (both must have it), as well as be different rooms.
***************************************************************************/
void connectRooms( Room* roomA, Room* roomB )
{
// make sure we are not over the limit
if( roomA->doorCount >= MAX_DOORS_PER_ROOM || roomB->doorCount >= MAX_DOORS_PER_ROOM )
{
return;
}
//check if it already has connection
if( hasConnection( roomA, roomB ) )
{
return;
}
//if no connection exist, then connect it
roomA->doors_list[roomA->doorCount] = roomB; // add roomB to roomA list
roomA->doorCount++;
roomB->doors_list[roomB->doorCount] = roomA; // add roomA to roomB list
roomB->doorCount++;
return;
}
int irc_connect_generic(irc_session_t * session,
const char * server,
unsigned short port,
const char * server_password,
const char * nick,
const char * username,
const char * realname,
int protocol_family) {
struct irc_addr_t **addresses;
int numAddresses = 0;
if (!server || !nick) {
session->lasterror = LIBIRC_ERR_INVAL;
return 1;
}
if (session->state != LIBIRC_STATE_INIT) {
session->lasterror = LIBIRC_ERR_STATE;
return 1;
}
// Free the strings if defined; may be the case when the session is reused after the connection fails
free_ircsession_strings(session);
if (server[0] == SSL_PREFIX) {
#if defined (ENABLE_SSL)
server++;
session->flags |= SESSIONFL_SSL_CONNECTION;
#else
session->lasterror = LIBIRC_ERR_SSL_NOT_SUPPORTED;
return 1;
#endif
}
if (username)
session->username = strdup(username);
if (server_password)
session->server_password = strdup(server_password);
if (realname)
session->realname = strdup(realname);
session->nick = strdup(nick);
session->server = strdup(server);
addresses = resolve_hostname_by_dns(session->server, &numAddresses, protocol_family);
if (addresses == NULL) {
session->lasterror = LIBIRC_ERR_RESOLV;
return 1;
}
int selectedAddress = rand_range(0, numAddresses - 1);
// and connect to the IRC server
for (; addresses[selectedAddress] != NULL; selectedAddress++) {
struct irc_addr_t *currentAddress = addresses[selectedAddress];
int ret = -1;
if (currentAddress->family == AF_INET)
ret = try_to_connect_ipv4(session, currentAddress, port);
#if defined (ENABLE_IPV6)
else if (currentAddress->family == AF_INET6)
ret = try_to_connect_ipv6(session, currentAddress, port);
#endif
if (ret == -1) {
goto err_out;
}
if (hasConnection(session)) {
break;
} else {
socket_close(&session->sock);
}
}
if (addresses[selectedAddress] == NULL) {
session->lasterror = LIBIRC_ERR_CONNECT;
goto err_out;
}
logprintf(LOG_INFO, "Connection successful!");
free_addresses(addresses);
session->state = LIBIRC_STATE_CONNECTING;
if (protocol_family == AF_INET6)
session->flags |= SESSIONFL_USES_IPV6;
return 0;
err_out:
free_addresses(addresses);
return 1;
}
void SyncSourceFeedback::run() {
Client::initThread("SyncSourceFeedbackThread");
bool sleepNeeded = false;
while (true) {
if (sleepNeeded) {
sleepmillis(500);
sleepNeeded = false;
}
{
boost::unique_lock<boost::mutex> lock(_mtx);
while (!_positionChanged && !_handshakeNeeded) {
_cond.wait(lock);
}
if (theReplSet->isPrimary()) {
_positionChanged = false;
_handshakeNeeded = false;
continue;
}
const Member* target = replset::BackgroundSync::get()->getSyncTarget();
boost::unique_lock<boost::mutex> connlock(_connmtx);
if (_syncTarget != target) {
resetConnection();
_syncTarget = target;
}
if (!hasConnection()) {
// fix connection if need be
if (!target) {
sleepNeeded = true;
continue;
}
if (!_connect(target->fullName())) {
sleepNeeded = true;
continue;
}
else if (!supportsUpdater()) {
_handshakeNeeded = false;
_positionChanged = false;
continue;
}
}
if (_handshakeNeeded) {
if (!replHandshake()) {
_handshakeNeeded = true;
continue;
}
else {
_handshakeNeeded = false;
_positionChanged = true;
}
}
if (_positionChanged) {
if (!updateUpstream()) {
// no need to set _handshakeNeeded to true as a failed updateUpstream() call
// will call resetConnection() and when the new connection is established
// the handshake process will be run
_positionChanged = true;
continue;
}
else {
_positionChanged = false;
}
}
}
}
}
void recvMsg(unsigned id, F f, O o)
{
if (hasConnection(id))
async_read_until(*getSocket(id), *getRecvBuffer(id), '\0',
bind(&ConnectionList::_recvMsg<F, O>, this, id, f, o, _1, _2));
}
