mdw@git.distorted.org.uk Git - adns/blob - regress/hcommon.c.m4

   1 m4_dnl hcommon.c
   2 m4_dnl (part of complex test harness, not of the library)
   3 m4_dnl - routines used for both record and playback
   4
   5 m4_dnl  This file is part of adns, which is Copyright (C) 1997, 1998 Ian Jackson
   6 m4_dnl
   7 m4_dnl  This program is free software; you can redistribute it and/or modify
   8 m4_dnl  it under the terms of the GNU General Public License as published by
   9 m4_dnl  the Free Software Foundation; either version 2, or (at your option)
  10 m4_dnl  any later version.
  11 m4_dnl
  12 m4_dnl  This program is distributed in the hope that it will be useful,
  13 m4_dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 m4_dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 m4_dnl  GNU General Public License for more details.
  16 m4_dnl
  17 m4_dnl  You should have received a copy of the GNU General Public License
  18 m4_dnl  along with this program; if not, write to the Free Software Foundation,
  19 m4_dnl  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20
  21 m4_include(hmacros.i4)
  22
  23 #include <fcntl.h>
  24 #include <string.h>
  25 #include <errno.h>
  26
  27 #include <sys/socket.h>
  28 #include <netinet/in.h>
  29 #include <arpa/inet.h>
  30
  31 #include "harness.h"
  32 #include "internal.h"
  33
  34 vbuf vb;
  35 FILE *Toutputfile= 0;
  36
  37 const struct Terrno Terrnos[]= {
  38   { "EAGAIN",                    EAGAIN                       },
  39   { "EINPROGRESS",               EINPROGRESS                  },
  40   { "EINTR",                     EINTR                        },
  41   { "EINVAL",                    EINVAL                       },
  42   { "EMSGSIZE",                  EMSGSIZE                     },
  43   { "ENOBUFS",                   ENOBUFS                      },
  44   { "ENOENT",                    ENOENT                       },
  45   { "ENOPROTOOPT",               ENOPROTOOPT                  },
  46   { "ENOSPC",                    ENOSPC                       },
  47   { "EWOULDBLOCK",               EWOULDBLOCK                  },
  48   {  0,                          0                            }
  49 };
  50
  51
  52
  53
  54 m4_define(`hm_syscall', `
  55  hm_create_proto_q
  56 void Q$1(hm_args_massage($3,void)) {
  57
  58  vb.used= 0;
  59  Tvba("$1");
  60  m4_define(`hm_na',`')
  61  m4_define(`hm_arg_nullptr',`')
  62  m4_define(`hm_arg_int', `Tvbf(" $'`1=%d",$'`1);')
  63  m4_define(`hm_arg_fdset_io', `Tvbf(" $'`1="); Tvbfdset($'`2,$'`1);')
  64  m4_define(`hm_arg_timeval_in_rel_null', `
  65   if ($'`1) Tvbf(" $'`1=%ld.%06ld",(long)$'`1->tv_sec,(long)$'`1->tv_usec);
  66   else Tvba(" $'`1=null");')
  67  m4_define(`hm_arg_must', `')
  68  m4_define(`hm_arg_socktype', `
  69   Tvbf($'`1==SOCK_STREAM ? " $'`1=SOCK_STREAM" : " $'`1=SOCK_DGRAM");')
  70  m4_define(`hm_arg_ign', `')
  71  m4_define(`hm_arg_fd', `Tvbf(" $'`1=%d",$'`1);')
  72  m4_define(`hm_arg_fcntl_cmd_arg', `
  73   if ($'`1 == F_SETFL) {
  74    Tvbf(" $'`1=F_SETFL %ld",arg);
  75   } else {
  76    Tvba(" $'`1=F_GETFL");
  77   }')
  78  m4_define(`hm_arg_addr_in', `Tvbaddr($'`1,$'`2);')
  79  m4_define(`hm_arg_bytes_in', `Tvbbytes($'`2,$'`4);')
  80  m4_define(`hm_arg_bytes_out', `Tvbf(" $'`4=%lu",(unsigned long)$'`4);')
  81  m4_define(`hm_arg_addr_out', `Tvbf(" *$'`2=%d",$'`2);')
  82   $3
  83
  84   Q_vb();
  85 }
  86 ')
  87
  88 m4_include(`hsyscalls.i4')
  89
  90
  91 void Tvbaddr(const struct sockaddr *addr, int len) {
  92   const struct sockaddr_in *ai= (const struct sockaddr_in*)addr;
  93
  94   assert(len==sizeof(struct sockaddr_in));
  95   assert(ai->sin_family==AF_INET);
  96   Tvbf("%s:%u",inet_ntoa(ai->sin_addr),htons(ai->sin_port));
  97 }
  98
  99 void Tvbbytes(const void *buf, int len) {
 100   const byte *bp;
 101   int i;
 102
 103   if (!len) { Tvba(" empty"); return; }
 104   for (i=0, bp=buf; i<len; i++, bp++) {
 105     if (!(i&31)) Tvba("\n     ");
 106     else if (!(i&3)) Tvba(" ");
 107     Tvbf("%02x",*bp);
 108   }
 109 }
 110
 111 void Tvbfdset(int max, const fd_set *fds) {
 112   int i;
 113   const char *comma= "";
 114
 115   Tvba("[");
 116   for (i=0; i<max; i++) {
 117     if (!FD_ISSET(i,fds)) continue;
 118     Tvba(comma);
 119     Tvbf("%d",i);
 120     comma= ",";
 121   }
 122   Tvba("]");
 123 }
 124
 125 void Tvberrno(int e) {
 126   const struct Terrno *te;
 127
 128   for (te= Terrnos; te->n && te->v != e; te++);
 129   if (te->n) Tvba(te->n);
 130   else Tvbf("E#%d",e);
 131 }
 132
 133 void Tvba(const char *str) {
 134   if (!adns__vbuf_appendstr(&vb,str)) Tnomem();
 135 }
 136
 137 void Tvbvf(const char *fmt, va_list al) {
 138   char buf[1000];
 139   buf[sizeof(buf)-2]= '\t';
 140   vsnprintf(buf,sizeof(buf),fmt,al);
 141   assert(buf[sizeof(buf)-2] == '\t');
 142
 143   Tvba(buf);
 144 }
 145
 146 void Tvbf(const char *fmt, ...) {
 147   va_list al;
 148   va_start(al,fmt);
 149   Tvbvf(fmt,al);
 150   va_end(al);
 151 }
 152
 153
 154 void Tmust(const char *call, const char *arg, int cond) {
 155   if (cond) return;
 156   fprintf(stderr,"adns test harness: case not handled: system call %s, arg %s",call,arg);
 157   exit(-1);
 158 }
 159
 160 void Tfailed(const char *why) {
 161   fprintf(stderr,"adns test harness: failure: %s: %s\n",why,strerror(errno));
 162   exit(-1);
 163 }
 164
 165 void Tnomem(void) {
 166   Tfailed("unable to malloc/realloc");
 167 }
 168
 169 void Toutputerr(void) {
 170   Tfailed("write error on test harness output");
 171 }
 172
 173 void Tensureoutputfile(void) {
 174   /* fixme: allow sending it elsewhere */
 175   Toutputfile= stdout;
 176 }