namespace libt2n
{
+/** @brief a connection between client and server. abstact.
+*/
class connection
{
private:
virtual ~connection()
{ close(); }
+ /// is this connection closed or not
bool is_closed()
{ return closed; }
+ /// close this connection
virtual void close()
{ closed=true; }
+ /** @brief look for new data and store it in the local buffer
+ @param usec_timeout wait until new data is found, max timeout usecs.
+ -1: wait endless
+ NULL: no timeout
+ @retval true if new data was found (does not mean that the received data
+ is a complete packet though)
+ */
virtual bool fill_buffer(long long usec_timeout=-1)=0;
bool get_packet(std::string& data);
+
+ /// returns true if a complete data packet is in the buffer. retrieve it with get_packet().
bool packet_available()
{ return bytes_available(); }