head	1.4;
access;
symbols;
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	mouse:1.4; strict;
comment	@ * @;


1.4
date	2010.02.25.05.33.09;	author mouse;	state Exp;
branches;
next	1.3;

1.3
date	2010.02.18.03.03.19;	author mouse;	state Exp;
branches;
next	1.2;

1.2
date	2010.02.16.16.11.33;	author mouse;	state Exp;
branches;
next	1.1;

1.1
date	2010.02.16.06.29.38;	author mouse;	state Exp;
branches;
next	;


desc
@fmt-ext.c
@


1.4
log
@Use get1u(f,0) instead of f->ibuf[0], and save the result in a variable
rather than computing it multiple times.
@
text
@#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);
}
@


1.3
log
@Add forgotten <stdlib.h>.
@
text
@d11 1
d15 3
a17 2
 if (f->ibuf[0] < 128) abort();
 x = f->conn->ext_opc_tbl[f->ibuf[0]-128];
@


1.2
log
@New extension framework.  No extensions actually implemented yet.
@
text
@d2 1
@


1.1
log
@Initial revision
@
text
@d10 15
a24 3
 fprintf(o,"extension request\n");
 print_raw_data(o,f);
 abort_packet_print();
d27 1
a27 1
void error_ext(FLOW *f, FILE *o)
d29 25
a53 3
 fprintf(o,"extension error\n");
 print_raw_data(o,f);
 abort_packet_print();
d56 1
a56 1
void event_ext(FLOW *f, FILE *o)
d58 25
a82 3
 fprintf(o,"extension event\n");
 print_raw_data(o,f);
 abort_packet_print();
@