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#ifndef GATOSOCKET_H
#define GATOSOCKET_H
#include <QtCore/QObject>
#include <QtCore/QQueue>
#include <QtCore/QSocketNotifier>
#include "gatoaddress.h"
#include "gatoconnectionparameters.h"
/** This class encapsulates a message-oriented bluetooth L2CAP socket. */
class GatoSocket : public QObject
{
Q_OBJECT
Q_ENUMS(State)
public:
explicit GatoSocket(QObject *parent);
~GatoSocket();
enum State {
StateDisconnected,
StateConnecting,
StateConnected
};
enum Error {
TimeoutError,
UnknownError
};
enum SecurityLevel {
SecurityNone,
SecurityLow,
SecurityMedium,
SecurityHigh
};
State state() const;
bool connectTo(const GatoAddress &addr, unsigned short cid);
void close();
/** Dequeues a pending message from the rx queue.
* Doesn't block: if there are no pending messages, returns null QByteArray. */
QByteArray receive();
/** Adds a message to the tx queue. */
void send(const QByteArray &pkt);
SecurityLevel securityLevel() const;
bool setSecurityLevel(SecurityLevel level);
GatoConnectionParameters connectionParameters() const;
bool setConnectionParameters(const GatoConnectionParameters ¶ms);
signals:
void connected();
void disconnected();
void error(Error error);
void readyRead();
private:
bool transmit(const QByteArray &pkt);
private slots:
void readNotify();
void writeNotify();
private:
State s;
int fd;
SecurityLevel desiredSec;
GatoConnectionParameters desiredParams;
QSocketNotifier *readNotifier;
QQueue<QByteArray> readQueue;
QSocketNotifier *writeNotifier;
QQueue<QByteArray> writeQueue;
};
#endif // GATOSOCKET_H
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