#include <stdio.h>
#include <stdlib.h>

#include "structs.h"
#include "fmt-util.h"

#include "fmt-ext.h"

void ctox_ext(FLOW *f, FILE *o)
{
 unsigned char opc;
 unsigned char x;
 EXTINFO *ei;

 opc = get1u(f,0);
 if (opc < 128) abort();
 x = f->conn->ext_opc_tbl[opc-128];
 switch (x)
  { case TBL_UNK:
    case TBL_NONE:
       fprintf(o,"Unknown extension request\n");
       print_raw_data(o,f);
       abort_packet_print();
       break;
  }
 ei = f->conn->ext_opc_vec[x];
 (*ei->def->request)(f,o);
}

void event_ext(FLOW *f, FILE *o)
{
 int tx;
 unsigned char x;
 EXTINFO *ei;

 if ((f->ibuf[0]&0x7f) < 64) abort();
 tx = (f->ibuf[0]&0x7f) - 64;
 while (1)
  { x = f->conn->ext_ev_tbl[tx];
    if (x != TBL_NONE) break;
    tx --;
    if (tx < 0)
     { fprintf(o,"Unknown extension event\n");
       print_raw_data(o,f);
       abort_packet_print();
     }
  }
 switch (x)
  { case TBL_UNK:
       fprintf(o,"Unknown extension event\n");
       print_raw_data(o,f);
       abort_packet_print();
       break;
  }
 ei = f->conn->ext_ev_vec[x];
 (*ei->def->event)(f,o);
}

void error_ext(FLOW *f, FILE *o)
{
 int tx;
 unsigned char x;
 EXTINFO *ei;

 if (f->ibuf[1] < 128) abort();
 tx = f->ibuf[1] - 128;
 while (1)
  { x = f->conn->ext_err_tbl[tx];
    if (x != TBL_NONE) break;
    tx --;
    if (tx < 0)
     { fprintf(o,"Unknown extension error\n");
       print_raw_data(o,f);
       abort_packet_print();
     }
  }
 switch (x)
  { case TBL_UNK:
       fprintf(o,"Unknown extension error\n");
       print_raw_data(o,f);
       abort_packet_print();
       break;
  }
 ei = f->conn->ext_err_vec[x];
 (*ei->def->error)(f,o);
}