Keith Winstein
81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
#ifndef NETWORK_TRANSPORT_HPP
|
|
#define NETWORK_TRANSPORT_HPP
|
|
|
|
#include <string>
|
|
#include <signal.h>
|
|
#include <time.h>
|
|
#include <list>
|
|
#include <vector>
|
|
|
|
#include "network.hpp"
|
|
#include "transportsender.hpp"
|
|
#include "transportfragment.hpp"
|
|
|
|
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 */
|
|
FragmentAssembly fragments;
|
|
bool verbose;
|
|
|
|
public:
|
|
Transport( MyState &initial_state, RemoteState &initial_remote );
|
|
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 ) { return sender.get_shutdown_in_progress(); }
|
|
bool shutdown_acknowledged( void ) { return sender.get_shutdown_acknowledged(); }
|
|
bool attached( void ) { return connection.get_attached(); }
|
|
|
|
/* Other side has requested shutdown and we have sent one ACK */
|
|
bool counterparty_shutdown_ack_sent( void ) { return sender.get_counterparty_shutdown_acknowledged(); }
|
|
|
|
int port( void ) { return connection.port(); }
|
|
string get_key( void ) { 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 ); }
|
|
|
|
typename list< TimestampedState<RemoteState > >::iterator begin( void ) { return received_states.begin(); }
|
|
typename list< TimestampedState<RemoteState > >::iterator end( void ) { return received_states.end(); }
|
|
|
|
uint64_t get_remote_state_num( void ) { return received_states.back().num; }
|
|
|
|
int fd( void ) { return connection.fd(); }
|
|
|
|
void set_verbose( void ) { sender.set_verbose(); verbose = true; }
|
|
};
|
|
}
|
|
|
|
#endif
|