X-Git-Url: http://developer.intra2net.com/git/?p=libt2n;a=blobdiff_plain;f=src%2Fconnection.hxx;h=60ea862b376387e116a9d529e8d0098c48948fe8;hp=94506e28f0d3b5e54ef3ff667743c071700d811a;hb=2f90dcbf75fbafbefde8916c6012f0023a90b527;hpb=07e98688a1a8c3e915ce923f79261a88251a9edd diff --git a/src/connection.hxx b/src/connection.hxx index 94506e2..60ea862 100644 --- a/src/connection.hxx +++ b/src/connection.hxx @@ -21,9 +21,15 @@ #include +#include + +#include "types.hxx" + namespace libt2n { +/** @brief a connection between client and server. abstact. +*/ class connection { private: @@ -31,28 +37,46 @@ class connection protected: connection() - { closed=false; } + { 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; + public: virtual ~connection() { close(); } + /// is this connection closed or not bool is_closed() { return closed; } + /// close this connection virtual void close() { closed=true; } - virtual bool fill_buffer(long long usec_timeout=-1)=0; + /** @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 + 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,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(); }