X-Git-Url: http://developer.intra2net.com/git/?p=libt2n;a=blobdiff_plain;f=src%2Fconnection.hxx;h=8e72bf645fb48c1187096bef0cfead5c284a0606;hp=633798b14b1ac631a3c9495077fe11767d54b1a1;hb=af84dfb53a739a0c8c343d9172f1847fa908906d;hpb=9424729586fdb0aabb671d2f1266bdb07e0bed38 diff --git a/src/connection.hxx b/src/connection.hxx index 633798b..8e72bf6 100644 --- a/src/connection.hxx +++ b/src/connection.hxx @@ -20,6 +20,15 @@ #define __LIBT2N_CONNECTION #include +#include +#include +#include + +#include + +#include + +#include "types.hxx" namespace libt2n { @@ -31,45 +40,63 @@ class connection private: bool closed; + /// vector initialized for all callback-types, all elements in each list will be called + std::vector > > callbacks; + protected: connection() - { closed=false; } + : callbacks(__events_end), closed(false) + { } std::string buffer; - typedef unsigned int packet_size_indicator; + typedef uint32_t packet_size_indicator; packet_size_indicator bytes_available(); virtual void real_write(const std::string& data)=0; + virtual std::ostream* get_logstream(log_level_values level)=0; + + void do_callbacks(callback_event_type event); + + void reopen(void); + void remove_incomplete_packets(); + public: - virtual ~connection() - { close(); } + virtual ~connection(); /// is this connection closed or not bool is_closed() { return closed; } /// close this connection - virtual void close() - { closed=true; } + virtual void close(); /** @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 + 0: return instantly + @param usec_timeout_remaining if non-NULL the function will write the + not used time to the given target @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; + virtual bool fill_buffer(long long usec_timeout=-1,long long* usec_timeout_remaining=NULL)=0; + bool get_packet(std::string& data); + unsigned int peek_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(); } void write(const std::string& data); + + void add_callback(callback_event_type event, const boost::function& func); + + std::list > get_callback_list(callback_event_type event); }; }