#ifndef _CORE_H_
#define _CORE_H_
+#include <QDateTime>
+#include <QMutex>
#include <QString>
#include <QVariant>
+#include <QTimer>
#include <QTcpServer>
#include <QTcpSocket>
+#include "bufferinfo.h"
+#include "message.h"
#include "global.h"
+#include "sessionthread.h"
#include "types.h"
class CoreSession;
+class SessionThread;
class Storage;
+struct NetworkInfo;
class Core : public QObject {
Q_OBJECT
static Core * instance();
static void destroy();
- static CoreSession * session(UserId);
- static CoreSession * localSession();
- static CoreSession * createSession(UserId);
-
- static QVariant connectLocalClient(QString user, QString passwd);
- static void disconnectLocalClient();
-
static void saveState();
static void restoreState();
+ /*** Storage access ***/
+ // These methods are threadsafe.
+
+ //! Create a NetworkId in the Storage and store it in the given NetworkInfo
+ /** \note This method is thredsafe.
+ *
+ * \param user The core user
+ * \param networkInfo a NetworkInfo definition to store the newly created ID in
+ * \return true if successfull.
+ */
+ static bool createNetworkId(UserId user, NetworkInfo &info);
+
+ //! Get the NetworkId for a network name.
+ /** \note This method is threadsafe.
+ *
+ * \param user The core user
+ * \param network The name of the network
+ * \return The NetworkId corresponding to the given network.
+ */
+ static NetworkId networkId(UserId user, const QString &network);
+
+ //! Get the unique BufferInfo for the given combination of network and buffername for a user.
+ /** \note This method is threadsafe.
+ *
+ * \param user The core user who owns this buffername
+ * \param networkId The network id
+ * \param buffer The buffer name (if empty, the net's status buffer is returned)
+ * \return The BufferInfo corresponding to the given network and buffer name, or 0 if not found
+ */
+ static BufferInfo bufferInfo(UserId user, const NetworkId &networkId, const QString &buffer = "");
+
+ //! Store a Message in the backlog.
+ /** \note This method is threadsafe.
+ *
+ * \param msg The message object to be stored
+ * \return The globally unique id for the stored message
+ */
+ static MsgId storeMessage(const Message &message);
+
+ //! Request a certain number (or all) messages stored in a given buffer.
+ /** \note This method is threadsafe.
+ *
+ * \param buffer The buffer we request messages from
+ * \param lastmsgs The number of messages we would like to receive, or -1 if we'd like all messages from that buffername
+ * \param offset Do not return (but DO count) messages with MsgId >= offset, if offset >= 0
+ * \return The requested list of messages
+ */
+ static QList<Message> requestMsgs(BufferInfo buffer, int lastmsgs = -1, int offset = -1);
+
+ //! Request messages stored in a given buffer since a certain point in time.
+ /** \note This method is threadsafe.
+ *
+ * \param buffer The buffer we request messages from
+ * \param since Only return messages newer than this point in time
+ * \param offset Do not return messages with MsgId >= offset, if offset >= 0
+ * \return The requested list of messages
+ */
+ static QList<Message> requestMsgs(BufferInfo buffer, QDateTime since, int offset = -1);
+
+ //! Request a range of messages stored in a given buffer.
+ /** \note This method is threadsafe.
+ *
+ * \param buffer The buffer we request messages from
+ * \param first Return messages with first <= MsgId <= last
+ * \param last Return messages with first <= MsgId <= last
+ * \return The requested list of messages
+ */
+ static QList<Message> requestMsgRange(BufferInfo buffer, int first, int last);
+
+ //! Request a list of all buffers known to a user since a certain point in time.
+ /** This method is used to get a list of all buffers we have stored a backlog from.
+ * Optionally, a QDateTime can be given, so that only buffers are listed that were active
+ * since that point in time.
+ * \note This method is threadsafe.
+ *
+ * \param user The user whose buffers we request
+ * \param since If this is defined, older buffers will be ignored
+ * \return A list of the BufferInfos for all buffers as requested
+ */
+ static QList<BufferInfo> requestBuffers(UserId user, QDateTime since = QDateTime());
+
+ public slots:
+ //! Make storage data persistent
+ /** \note This method is threadsafe.
+ */
+ void syncStorage();
+
+ signals:
+ //! Sent when a BufferInfo is updated in storage.
+ void bufferInfoUpdated(UserId user, const BufferInfo &info);
+
private slots:
bool startListening(uint port = Global::defaultPort);
void stopListening();
void clientHasData();
void clientDisconnected();
- bool initStorage(QVariantMap dbSettings, bool setup);
- bool initStorage(QVariantMap dbSettings);
+ bool initStorage(QVariantMap dbSettings, bool setup = false);
private:
Core();
~Core();
void init();
static Core *instanceptr;
-
- //! Initiate a session for the user with the given credentials if one does not already exist.
- /** This function is called during the init process for a new client. If there is no session for the
- * given user, one is created.
- * \param userId The user
- * \return A QVariant containing the session data, e.g. global data and buffers
- */
- QVariant initSession(UserId userId);
- void processClientInit(QTcpSocket *socket, const QVariantMap &msg);
+
+ SessionThread *createSession(UserId userId, bool restoreState = false);
+ void setupClientSession(QTcpSocket *socket, UserId uid);
void processCoreSetup(QTcpSocket *socket, QVariantMap &msg);
-
+
QStringList availableStorageProviders();
UserId guiUser;
- QHash<UserId, CoreSession *> sessions;
+ QHash<UserId, SessionThread *> sessions;
Storage *storage;
+ QTimer _storageSyncTimer;
QTcpServer server; // TODO: implement SSL
- QHash<QTcpSocket *, quint32> blockSizes;
-
+ QHash<QTcpSocket *, quint32> blocksizes;
+ QHash<QTcpSocket *, QVariantMap> clientInfo;
+
+ QDateTime startTime;
+
bool configured;
+
+ static QMutex mutex;
};
#endif