#include "core.h"
#include "coresession.h"
+#include "coresettings.h"
#include "sqlitestorage.h"
#include "util.h"
+#include <QMetaObject>
+#include <QMetaMethod>
+
Core *Core::instanceptr = 0;
-Core * Core::instance() {
+Core *Core::instance() {
if(instanceptr) return instanceptr;
instanceptr = new Core();
instanceptr->init();
}
Core::Core() {
-
+ storage = NULL;
}
void Core::init() {
- if(!SqliteStorage::isAvailable()) {
- qFatal("Sqlite is currently required! Please make sure your Qt library has sqlite support enabled.");
+ CoreSettings s;
+ configured = false;
+
+ QVariantMap dbSettings = s.databaseSettings().toMap();
+ QString hname = dbSettings["Type"].toString().toLower();
+ hname[0] = hname[0].toUpper();
+ hname = "initStorage" + hname;
+ if (!QMetaObject::invokeMethod(this, hname.toAscii(), Q_RETURN_ARG(bool, configured), Q_ARG(QVariantMap, dbSettings), Q_ARG(bool, false))) {
+ qWarning("No database backend configured.");
}
- //SqliteStorage::init();
- storage = new SqliteStorage();
+
+ if (!configured) {
+ qWarning("Core is currently not configured!");
+ }
+
connect(&server, SIGNAL(newConnection()), this, SLOT(incomingConnection()));
- startListening(); // FIXME make configurable
+ startListening(s.port());
guiUser = 0;
}
-Core::~Core() {
- foreach(QTcpSocket *sock, validClients.keys()) {
- delete sock;
+bool Core::initStorageSqlite(QVariantMap dbSettings, bool setup) {
+ if (!SqliteStorage::isAvailable()) {
+ qFatal("Sqlite is currently required! Please make sure your Qt library has sqlite support enabled.");
+ }
+ if (storage) {
+ qDebug() << "Deleting old storage object.";
+ delete storage;
+ storage = NULL;
}
+
+ storage = new SqliteStorage();
+ if (setup && !storage->setup(dbSettings)) {
+ return false;
+ }
+
+ return storage->init(dbSettings);
+}
+
+Core::~Core() {
qDeleteAll(sessions);
- delete storage;
+ if (storage) {
+ delete storage;
+ storage = NULL;
+ }
}
CoreSession *Core::session(UserId uid) {
Q_ASSERT(!core->sessions.contains(uid));
CoreSession *sess = new CoreSession(uid, core->storage);
core->sessions[uid] = sess;
- connect(sess, SIGNAL(proxySignal(CoreSignal, QVariant, QVariant, QVariant)), core, SLOT(recvProxySignal(CoreSignal, QVariant, QVariant, QVariant)));
return sess;
}
-
bool Core::startListening(uint port) {
if(!server.listen(QHostAddress::Any, port)) {
qWarning(QString(QString("Could not open GUI client port %1: %2").arg(port).arg(server.errorString())).toAscii());
void Core::incomingConnection() {
// TODO implement SSL
- QTcpSocket *socket = server.nextPendingConnection();
- connect(socket, SIGNAL(disconnected()), this, SLOT(clientDisconnected()));
- connect(socket, SIGNAL(readyRead()), this, SLOT(clientHasData()));
- blockSizes.insert(socket, (quint32)0);
- qDebug() << "Client connected from " << socket->peerAddress().toString();
+ while (server.hasPendingConnections()) {
+ QTcpSocket *socket = server.nextPendingConnection();
+ connect(socket, SIGNAL(disconnected()), this, SLOT(clientDisconnected()));
+ connect(socket, SIGNAL(readyRead()), this, SLOT(clientHasData()));
+ blockSizes.insert(socket, (quint32)0);
+ qDebug() << "Client connected from " << socket->peerAddress().toString();
+
+ if (!configured) {
+ server.close();
+ qDebug() << "Closing server for basic setup.";
+ }
+ }
}
void Core::clientHasData() {
Q_ASSERT(socket && blockSizes.contains(socket));
quint32 bsize = blockSizes.value(socket);
QVariant item;
- while(readDataFromDevice(socket, bsize, item)) {
- if(validClients.contains(socket)) {
- QList<QVariant> sigdata = item.toList();
- sessions[validClients[socket]]->processSignal((ClientSignal)sigdata[0].toInt(), sigdata[1], sigdata[2], sigdata[3]);
- } else {
- // we need to auth the client
- try {
- processClientInit(socket, item);
- } catch(Storage::AuthError) {
- qWarning() << "Authentification error!"; // FIXME
- socket->close();
- return;
- } catch(Exception e) {
- qWarning() << "Client init error:" << e.msg();
- socket->close();
- return;
+ if(readDataFromDevice(socket, bsize, item)) {
+ // we need to auth the client
+ try {
+ QVariantMap msg = item.toMap();
+ if (msg["GuiProtocol"].toUInt() != GUI_PROTOCOL) {
+ throw Exception("GUI client version mismatch");
+ }
+ if (configured) {
+ processClientInit(socket, msg);
+ } else {
+ processCoreSetup(socket, msg);
}
+ } catch(Storage::AuthError) {
+ qWarning() << "Authentification error!"; // FIXME: send auth error to client
+ socket->close();
+ return;
+ } catch(Exception e) {
+ qWarning() << "Client init error:" << e.msg();
+ socket->close();
+ return;
}
- blockSizes[socket] = bsize = 0;
}
- blockSizes[socket] = bsize;
+ blockSizes[socket] = bsize = 0; // FIXME blockSizes aufräum0rn!
}
+// FIXME: no longer called, since connection handling is now in SignalProxy
+// No, it is called as long as core is not configured. (kaffeedoktor)
void Core::clientDisconnected() {
QTcpSocket *socket = dynamic_cast<QTcpSocket*>(sender());
blockSizes.remove(socket);
- validClients.remove(socket);
qDebug() << "Client disconnected.";
+
+ // make server listen again if still not configured
+ if (!configured) {
+ startListening();
+ }
+
// TODO remove unneeded sessions - if necessary/possible...
}
instance()->guiUser = 0;
}
-void Core::processClientInit(QTcpSocket *socket, const QVariant &v) {
- VarMap msg = v.toMap();
- if(msg["GuiProtocol"].toUInt() != GUI_PROTOCOL) {
- //qWarning() << "Client version mismatch.";
- throw Exception("GUI client version mismatch");
+void Core::processClientInit(QTcpSocket *socket, const QVariantMap &msg) {
+ // Auth
+ QVariantMap reply;
+ UserId uid = storage->validateUser(msg["User"].toString(), msg["Password"].toString()); // throws exception if this failed
+ reply["StartWizard"] = false;
+ reply["Reply"] = initSession(uid);
+ disconnect(socket, 0, this, 0);
+ sessions[uid]->addClient(socket);
+ qDebug() << "Client initialized successfully.";
+ writeDataToDevice(socket, reply);
+}
+
+void Core::processCoreSetup(QTcpSocket *socket, QVariantMap &msg) {
+ if(msg["HasSettings"].toBool()) {
+ QVariantMap auth;
+ auth["User"] = msg["User"];
+ auth["Password"] = msg["Password"];
+ msg.remove("User");
+ msg.remove("Password");
+ qDebug() << "Initializing storage provider" << msg["Type"].toString();
+ QString hname = msg["Type"].toString().toLower();
+ hname[0] = hname[0].toUpper();
+ hname = "initStorage" + hname;
+ if (!QMetaObject::invokeMethod(this, hname.toAscii(), Q_RETURN_ARG(bool, configured), Q_ARG(QVariantMap, msg), Q_ARG(bool, true))) {
+ qWarning("No database backend configured.");
+ }
+ if (!configured) {
+ // notify client to start wizard again
+ qWarning("Core is currently not configured!");
+ QVariantMap reply;
+ reply["StartWizard"] = true;
+ reply["StorageProviders"] = availableStorageProviders();
+ writeDataToDevice(socket, reply);
+ } else {
+ // write coresettings
+ CoreSettings s;
+ s.setDatabaseSettings(msg);
+ // write admin user to database & make the core listen again to connections
+ storage->addUser(auth["User"].toString(), auth["Password"].toString());
+ startListening();
+ // continue the normal procedure
+ processClientInit(socket, auth);
+ }
+ } else {
+ // notify client to start wizard
+ QVariantMap reply;
+ reply["StartWizard"] = true;
+ reply["StorageProviders"] = availableStorageProviders();
+ writeDataToDevice(socket, reply);
}
- // Auth
- UserId uid = storage->validateUser(msg["User"].toString(), msg["Password"].toString()); // throws exception if this failed
- QVariant reply = initSession(uid);
- validClients[socket] = uid;
- QList<QVariant> sigdata;
- sigdata.append(CS_CORE_STATE); sigdata.append(reply); sigdata.append(QVariant()); sigdata.append(QVariant());
- writeDataToDevice(socket, QVariant(sigdata));
}
QVariant Core::initSession(UserId uid) {
// Find or create session for validated user
CoreSession *sess;
- if(sessions.contains(uid)) sess = sessions[uid];
- else {
+ if(sessions.contains(uid))
+ sess = sessions[uid];
+ else
sess = createSession(uid);
- //validClients[socket] = uid;
- }
- VarMap reply;
+ QVariantMap reply;
reply["SessionState"] = sess->sessionState();
return reply;
}
-void Core::recvProxySignal(CoreSignal sig, QVariant arg1, QVariant arg2, QVariant arg3) {
- CoreSession *sess = qobject_cast<CoreSession*>(sender());
- Q_ASSERT(sess);
- UserId uid = sess->userId();
- QList<QVariant> sigdata;
- sigdata.append(sig); sigdata.append(arg1); sigdata.append(arg2); sigdata.append(arg3);
- //qDebug() << "Sending signal: " << sigdata;
- foreach(QTcpSocket *socket, validClients.keys()) {
- if(validClients[socket] == uid) writeDataToDevice(socket, QVariant(sigdata));
+QStringList Core::availableStorageProviders() {
+ QStringList storageProviders;
+ if (SqliteStorage::isAvailable()) {
+ storageProviders.append(SqliteStorage::displayName());
}
+ // TODO: temporary
+ storageProviders.append("MySQL");
+
+ return storageProviders;
}