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#ifndef _ROUTER_HPP_
#define _ROUTER_HPP_
#include <string>
#include <vector>
#include "module.hpp"
#include "flit.hpp"
#include "credit.hpp"
#include "config_utils.hpp"
class Router : public Module {
protected:
int _id;
int _inputs;
int _outputs;
int _input_speedup;
int _output_speedup;
int _routing_delay;
int _vc_alloc_delay;
int _sw_alloc_delay;
int _st_prepare_delay;
int _st_final_delay;
int _credit_delay;
vector<Flit **> *_input_channels;
vector<Credit **> *_input_credits;
vector<Flit **> *_output_channels;
vector<Credit **> *_output_credits;
vector<bool> *_channel_faults;
Credit *_NewCredit( int vcs = 1 );
void _RetireCredit( Credit *c );
public:
Router( const Configuration& config,
Module *parent, string name, int id,
int inputs, int outputs );
virtual ~Router( );
static Router *NewRouter( const Configuration& config,
Module *parent, string name, int id,
int inputs, int outputs );
void AddInputChannel( Flit **channel, Credit **backchannel );
void AddOutputChannel( Flit **channel, Credit **backchannel );
virtual void ReadInputs( ) = 0;
virtual void InternalStep( ) = 0;
virtual void WriteOutputs( ) = 0;
void OutChannelFault( int c, bool fault = true );
bool IsFaultyOutput( int c ) const;
int GetID( ) const;
};
#endif
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