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) 1997-1999 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 struct timeval currenttime;
  37
  38 const struct Terrno Terrnos[]= {
  39   { "EAGAIN",                    EAGAIN                       },
  40   { "EINPROGRESS",               EINPROGRESS                  },
  41   { "EINTR",                     EINTR                        },
  42   { "EINVAL",                    EINVAL                       },
  43   { "EMSGSIZE",                  EMSGSIZE                     },
  44   { "ENOBUFS",                   ENOBUFS                      },
  45   { "ENOENT",                    ENOENT                       },
  46   { "ENOPROTOOPT",               ENOPROTOOPT                  },
  47   { "ENOSPC",                    ENOSPC                       },
  48   { "EWOULDBLOCK",               EWOULDBLOCK                  },
  49   {  0,                          0                            }
  50 };
  51
  52 static vbuf vbw;
  53
  54 int Hgettimeofday(struct timeval *tv, struct timezone *tz) {
  55   Tmust("gettimeofday","tz",!tz);
  56   *tv= currenttime;
  57   return 0;
  58 }
  59
  60 int Hwritev(int fd, const struct iovec *vector, size_t count) {
  61   size_t i;
  62
  63   vbw.used= 0;
  64   for (i=0; i<count; i++, vector++) {
  65     if (!adns__vbuf_append(&vbw,vector->iov_base,vector->iov_len)) Tnomem();
  66   }
  67   return Hwrite(fd,vbw.buf,vbw.used);
  68 }
  69
  70 m4_define(`hm_syscall', `
  71  hm_create_proto_q
  72 void Q$1(hm_args_massage($3,void)) {
  73
  74  vb.used= 0;
  75  Tvba("$1");
  76  m4_define(`hm_na',`')
  77  m4_define(`hm_arg_nullptr',`')
  78  m4_define(`hm_arg_int', `Tvbf(" $'`1=%d",$'`1);')
  79  m4_define(`hm_arg_fdset_io', `Tvbf(" $'`1="); Tvbfdset($'`2,$'`1);')
  80  m4_define(`hm_arg_pollfds_io', `Tvbf(" $'`1="); Tvbpollfds($'`1,$'`2);')
  81  m4_define(`hm_arg_timeval_in_rel_null', `
  82   if ($'`1) Tvbf(" $'`1=%ld.%06ld",(long)$'`1->tv_sec,(long)$'`1->tv_usec);
  83   else Tvba(" $'`1=null");')
  84  m4_define(`hm_arg_must', `')
  85  m4_define(`hm_arg_socktype', `
  86   Tvbf($'`1==SOCK_STREAM ? " $'`1=SOCK_STREAM" : " $'`1=SOCK_DGRAM");')
  87  m4_define(`hm_arg_ign', `')
  88  m4_define(`hm_arg_fd', `Tvbf(" $'`1=%d",$'`1);')
  89  m4_define(`hm_arg_fcntl_cmd_arg', `
  90   if ($'`1 == F_SETFL) {
  91    Tvbf(" $'`1=F_SETFL %s",arg & O_NONBLOCK ? "O_NONBLOCK|..." : "~O_NONBLOCK&...");
  92   } else if ($'`1 == F_GETFL) {
  93    Tvba(" $'`1=F_GETFL");
  94   } else {
  95    Tmust("$'`1","F_GETFL/F_SETFL",0);
  96   }')
  97  m4_define(`hm_arg_addr_in', `Tvba(" $'`1="); Tvbaddr($'`1,$'`2);')
  98  m4_define(`hm_arg_bytes_in', `')
  99  m4_define(`hm_arg_bytes_out', `Tvbf(" $'`4=%lu",(unsigned long)$'`4);')
 100  m4_define(`hm_arg_addr_out', `Tvbf(" *$'`2=%d",$'`2);')
 101   $3
 102
 103  hm_create_nothing
 104  m4_define(`hm_arg_bytes_in', `Tvbbytes($'`2,$'`4);')
 105   $3
 106
 107   Q_vb();
 108 }
 109 ')
 110
 111 m4_include(`hsyscalls.i4')
 112
 113
 114 void Tvbaddr(const struct sockaddr *addr, int len) {
 115   const struct sockaddr_in *ai= (const struct sockaddr_in*)addr;
 116
 117   assert(len==sizeof(struct sockaddr_in));
 118   assert(ai->sin_family==AF_INET);
 119   Tvbf("%s:%u",inet_ntoa(ai->sin_addr),htons(ai->sin_port));
 120 }
 121
 122 void Tvbbytes(const void *buf, int len) {
 123   const byte *bp;
 124   int i;
 125
 126   if (!len) { Tvba(" empty"); return; }
 127   for (i=0, bp=buf; i<len; i++, bp++) {
 128     if (!(i&31)) Tvba("\n     ");
 129     else if (!(i&3)) Tvba(" ");
 130     Tvbf("%02x",*bp);
 131   }
 132   Tvba(".");
 133 }
 134
 135 void Tvbfdset(int max, const fd_set *fds) {
 136   int i;
 137   const char *comma= "";
 138
 139   Tvba("[");
 140   for (i=0; i<max; i++) {
 141     if (!FD_ISSET(i,fds)) continue;
 142     Tvba(comma);
 143     Tvbf("%d",i);
 144     comma= ",";
 145   }
 146   Tvba("]");
 147 }
 148
 149 static void Tvbpollevents(int events) {
 150   const char *delim= "";
 151
 152   events &= (POLLIN|POLLOUT|POLLPRI);
 153   if (!events) { Tvba("0"); return; }
 154   if (events & POLLIN) { Tvba("POLLIN"); delim= "|"; }
 155   if (events & POLLOUT) { Tvba(delim); Tvba("POLLOUT"); delim= "|"; }
 156   if (events & POLLPRI) { Tvba(delim); Tvba("POLLPRI"); }
 157 }
 158
 159 void Tvbpollfds(const struct pollfd *fds, int nfds) {
 160   const char *comma= "";
 161
 162   Tvba("[");
 163   while (nfds>0) {
 164     Tvba(comma);
 165     Tvbf("{fd=%d, events=",fds->fd);
 166     Tvbpollevents(fds->events);
 167     Tvba(", revents=");
 168     Tvbpollevents(fds->revents);
 169     Tvba("}");
 170     comma= ", ";
 171     nfds--; fds++;
 172   }
 173   Tvba("]");
 174 }
 175
 176 void Tvberrno(int e) {
 177   const struct Terrno *te;
 178
 179   for (te= Terrnos; te->n && te->v != e; te++);
 180   if (te->n) Tvba(te->n);
 181   else Tvbf("E#%d",e);
 182 }
 183
 184 void Tvba(const char *str) {
 185   if (!adns__vbuf_appendstr(&vb,str)) Tnomem();
 186 }
 187
 188 void Tvbvf(const char *fmt, va_list al) {
 189   char buf[1000];
 190   buf[sizeof(buf)-2]= '\t';
 191   vsnprintf(buf,sizeof(buf),fmt,al);
 192   assert(buf[sizeof(buf)-2] == '\t');
 193
 194   Tvba(buf);
 195 }
 196
 197 void Tvbf(const char *fmt, ...) {
 198   va_list al;
 199   va_start(al,fmt);
 200   Tvbvf(fmt,al);
 201   va_end(al);
 202 }
 203
 204
 205 void Tmust(const char *call, const char *arg, int cond) {
 206   if (cond) return;
 207   fprintf(stderr,"adns test harness: case not handled: system call %s, arg %s",call,arg);
 208   exit(-1);
 209 }
 210
 211 void Tfailed(const char *why) {
 212   fprintf(stderr,"adns test harness: failure: %s: %s\n",why,strerror(errno));
 213   exit(-1);
 214 }
 215
 216 void Tnomem(void) {
 217   Tfailed("unable to malloc/realloc");
 218 }
 219
 220 void Toutputerr(void) {
 221   Tfailed("write error on test harness output");
 222 }