diff options
Diffstat (limited to 'src/networktransport.h')
-rw-r--r-- | src/networktransport.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/networktransport.h b/src/networktransport.h new file mode 100644 index 0000000..0a9d11b --- /dev/null +++ b/src/networktransport.h @@ -0,0 +1,89 @@ +#ifndef NETWORK_TRANSPORT_HPP +#define NETWORK_TRANSPORT_HPP + +#include <string> +#include <signal.h> +#include <time.h> +#include <list> +#include <vector> + +#include "network.h" +#include "transportsender.h" +#include "transportfragment.h" + +using namespace std; + +namespace Network { + template <class MyState, class RemoteState> + class Transport + { + private: + /* the underlying, encrypted network connection */ + Connection connection; + + /* sender side */ + TransportSender<MyState> sender; + + /* helper methods for recv() */ + void process_throwaway_until( uint64_t throwaway_num ); + + /* simple receiver */ + list< TimestampedState<RemoteState> > received_states; + RemoteState last_receiver_state; /* the state we were in when user last queried state */ + uint64_t sent_state_late_acked; + FragmentAssembly fragments; + bool verbose; + + public: + Transport( MyState &initial_state, RemoteState &initial_remote, const char *desired_ip ); + Transport( MyState &initial_state, RemoteState &initial_remote, + const char *key_str, const char *ip, int port ); + + /* Send data or an ack if necessary. */ + void tick( void ) { sender.tick(); } + + /* Returns the number of ms to wait until next possible event. */ + int wait_time( void ) { return sender.wait_time(); } + + /* Blocks waiting for a packet. */ + void recv( void ); + + /* Find diff between last receiver state and current remote state, then rationalize states. */ + string get_remote_diff( void ); + + /* Shut down other side of connection. */ + /* Illegal to change current_state after this. */ + void start_shutdown( void ) { sender.start_shutdown(); } + bool shutdown_in_progress( void ) const { return sender.get_shutdown_in_progress(); } + bool shutdown_acknowledged( void ) const { return sender.get_shutdown_acknowledged(); } + bool shutdown_ack_timed_out( void ) const { return sender.shutdown_ack_timed_out(); } + bool attached( void ) const { return connection.get_attached(); } + + /* Other side has requested shutdown and we have sent one ACK */ + bool counterparty_shutdown_ack_sent( void ) const { return sender.get_counterparty_shutdown_acknowledged(); } + + int port( void ) const { return connection.port(); } + string get_key( void ) const { return connection.get_key(); } + + MyState &get_current_state( void ) { return sender.get_current_state(); } + void set_current_state( const MyState &x ) { sender.set_current_state( x ); } + + uint64_t get_remote_state_num( void ) const { return received_states.back().num; } + + const TimestampedState<RemoteState> & get_latest_remote_state( void ) const { return received_states.back(); } + + int fd( void ) const { return connection.fd(); } + + void set_verbose( void ) { sender.set_verbose(); verbose = true; } + + void set_send_delay( int new_delay ) { sender.set_send_delay( new_delay ); } + + uint64_t get_sent_state_acked( void ) const { return sender.get_sent_state_acked(); } + uint64_t get_sent_state_last( void ) const { return sender.get_sent_state_last(); } + uint64_t get_sent_state_late_acked( void ) const { return sent_state_late_acked; } + + unsigned int send_interval( void ) const { return sender.send_interval(); } + }; +} + +#endif |