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

   1 #include <string.h>
   2 #include <errno.h>
   3 #include <stdlib.h>
   4 #include <stdarg.h>
   5 #include <sys/types.h>
   6 #include <sys/socket.h>
   7 #include <netinet/in.h>
   8 #include <arpa/inet.h>
   9 #include <unistd.h>
  10 #include <fcntl.h>
  11 #include "harness.h"
  12 #include "internal.h"
  13 vbuf vb;
  14 FILE *Toutputfile= 0;
  15 struct timeval currenttime;
  16 const struct Terrno Terrnos[]= {
  17   { "EBADF",                     EBADF                        },
  18   { "EAGAIN",                    EAGAIN                       },
  19   { "EINPROGRESS",               EINPROGRESS                  },
  20   { "EINTR",                     EINTR                        },
  21   { "EINVAL",                    EINVAL                       },
  22   { "EMSGSIZE",                  EMSGSIZE                     },
  23   { "ENOBUFS",                   ENOBUFS                      },
  24   { "ENOENT",                    ENOENT                       },
  25   { "ENOPROTOOPT",               ENOPROTOOPT                  },
  26   { "ENOSPC",                    ENOSPC                       },
  27   { "EWOULDBLOCK",               EWOULDBLOCK                  },
  28   { "EHOSTUNREACH",              EHOSTUNREACH                 },
  29   { "ECONNRESET",                ECONNRESET                   },
  30   { "ECONNREFUSED",              ECONNREFUSED                 },
  31   { "EPIPE",                     EPIPE                        },
  32   { "ENOTSOCK",                  ENOTSOCK                     },
  33   {  0,                          0                            }
  34 };
  35 static vbuf vbw;
  36 int Hgettimeofday(struct timeval *tv, struct timezone *tz) {
  37   Tensurerecordfile();
  38   Tmust("gettimeofday","tz",!tz);
  39   *tv= currenttime;
  40   return 0;
  41 }
  42 int Hwritev(int fd, const struct iovec *vector, size_t count) {
  43   size_t i;
  44   vbw.used= 0;
  45   for (i=0; i<count; i++, vector++) {
  46     if (!adns__vbuf_append(&vbw,vector->iov_base,vector->iov_len)) Tnomem();
  47   }
  48   return Hwrite(fd,vbw.buf,vbw.used);
  49 }
  50 void Qselect(   int max , const fd_set *rfds , const fd_set *wfds , const fd_set *efds , struct timeval *to     ) {
  51  vb.used= 0;
  52  Tvba("select");
  53         Tvbf(" max=%d",max);
  54         Tvbf(" rfds="); Tvbfdset(max,rfds);
  55         Tvbf(" wfds="); Tvbfdset(max,wfds);
  56         Tvbf(" efds="); Tvbfdset(max,efds);
  57   if (to) Tvbf(" to=%ld.%06ld",(long)to->tv_sec,(long)to->tv_usec);
  58   else Tvba(" to=null");
  59   Q_vb();
  60 }
  61 #ifdef HAVE_POLL
  62 void Qpoll(     const struct pollfd *fds , int nfds , int timeout       ) {
  63  vb.used= 0;
  64  Tvba("poll");
  65         Tvbf(" fds="); Tvbpollfds(fds,nfds);
  66         Tvbf(" timeout=%d",timeout);
  67   Q_vb();
  68 }
  69 #endif
  70 void Qsocket(    int type       ) {
  71  vb.used= 0;
  72  Tvba("socket");
  73   Tvbf(type==SOCK_STREAM ? " type=SOCK_STREAM" : " type=SOCK_DGRAM");
  74   Q_vb();
  75 }
  76 void Qfcntl(    int fd , int cmd , long arg     ) {
  77  vb.used= 0;
  78  Tvba("fcntl");
  79         Tvbf(" fd=%d",fd);
  80   if (cmd == F_SETFL) {
  81    Tvbf(" cmd=F_SETFL %s",arg & O_NONBLOCK ? "O_NONBLOCK|..." : "~O_NONBLOCK&...");
  82   } else if (cmd == F_GETFL) {
  83    Tvba(" cmd=F_GETFL");
  84   } else {
  85    Tmust("cmd","F_GETFL/F_SETFL",0);
  86   }
  87   Q_vb();
  88 }
  89 void Qconnect(  int fd , const struct sockaddr *addr , int addrlen      ) {
  90  vb.used= 0;
  91  Tvba("connect");
  92         Tvbf(" fd=%d",fd);
  93         Tvba(" addr="); Tvbaddr(addr,addrlen);
  94   Q_vb();
  95 }
  96 void Qbind(     int fd , const struct sockaddr *addr , int addrlen      ) {
  97  vb.used= 0;
  98  Tvba("bind");
  99         Tvbf(" fd=%d",fd);
 100         Tvba(" addr="); Tvbaddr(addr,addrlen);
 101   Q_vb();
 102 }
 103 void Qlisten(   int fd , int backlog    ) {
 104  vb.used= 0;
 105  Tvba("listen");
 106         Tvbf(" fd=%d",fd);
 107         Tvbf(" backlog=%d",backlog);
 108   Q_vb();
 109 }
 110 void Qclose(    int fd  ) {
 111  vb.used= 0;
 112  Tvba("close");
 113         Tvbf(" fd=%d",fd);
 114   Q_vb();
 115 }
 116 void Qsendto(   int fd , const void *msg , int msglen , const struct sockaddr *addr , int addrlen       ) {
 117  vb.used= 0;
 118  Tvba("sendto");
 119         Tvbf(" fd=%d",fd);
 120         Tvba(" addr="); Tvbaddr(addr,addrlen);
 121         Tvbbytes(msg,msglen);
 122   Q_vb();
 123 }
 124 void Qrecvfrom( int fd , int buflen , int addrlen       ) {
 125  vb.used= 0;
 126  Tvba("recvfrom");
 127         Tvbf(" fd=%d",fd);
 128         Tvbf(" buflen=%lu",(unsigned long)buflen);
 129   Q_vb();
 130 }
 131 void Qread(     int fd , size_t buflen  ) {
 132  vb.used= 0;
 133  Tvba("read");
 134         Tvbf(" fd=%d",fd);
 135         Tvbf(" buflen=%lu",(unsigned long)buflen);
 136   Q_vb();
 137 }
 138 void Qwrite(    int fd , const void *buf , size_t len   ) {
 139  vb.used= 0;
 140  Tvba("write");
 141         Tvbf(" fd=%d",fd);
 142         Tvbbytes(buf,len);
 143   Q_vb();
 144 }
 145 void Tvbaddr(const struct sockaddr *addr, int len) {
 146   char buf[ADNS_ADDR2TEXT_BUFLEN];
 147   int err, port;
 148   int sz= sizeof(buf);
 149   err= adns_addr2text(addr, 0, buf,&sz, &port);
 150   assert(!err);
 151   Tvbf(strchr(buf, ':') ? "[%s]:%d" : "%s:%d", buf,port);
 152 }
 153 void Tvbbytes(const void *buf, int len) {
 154   const byte *bp;
 155   int i;
 156   if (!len) { Tvba("\n     ."); return; }
 157   for (i=0, bp=buf; i<len; i++, bp++) {
 158     if (!(i&31)) Tvba("\n     ");
 159     else if (!(i&3)) Tvba(" ");
 160     Tvbf("%02x",*bp);
 161   }
 162   Tvba(".");
 163 }
 164 void Tvbfdset(int max, const fd_set *fds) {
 165   int i;
 166   const char *comma= "";
 167   Tvba("[");
 168   for (i=0; i<max; i++) {
 169     if (!FD_ISSET(i,fds)) continue;
 170     Tvba(comma);
 171     Tvbf("%d",i);
 172     comma= ",";
 173   }
 174   Tvba("]");
 175 }
 176 static void Tvbpollevents(int events) {
 177   const char *delim= "";
 178   events &= (POLLIN|POLLOUT|POLLPRI);
 179   if (!events) { Tvba("0"); return; }
 180   if (events & POLLIN) { Tvba("POLLIN"); delim= "|"; }
 181   if (events & POLLOUT) { Tvba(delim); Tvba("POLLOUT"); delim= "|"; }
 182   if (events & POLLPRI) { Tvba(delim); Tvba("POLLPRI"); }
 183 }
 184 void Tvbpollfds(const struct pollfd *fds, int nfds) {
 185   const char *comma= "";
 186   Tvba("[");
 187   while (nfds>0) {
 188     Tvba(comma);
 189     Tvbf("{fd=%d, events=",fds->fd);
 190     Tvbpollevents(fds->events);
 191     Tvba(", revents=");
 192     Tvbpollevents(fds->revents);
 193     Tvba("}");
 194     comma= ", ";
 195     nfds--; fds++;
 196   }
 197   Tvba("]");
 198 }
 199 void Tvberrno(int e) {
 200   const struct Terrno *te;
 201   for (te= Terrnos; te->n && te->v != e; te++);
 202   assert(te->n);
 203   Tvba(te->n);
 204 }
 205 void Tvba(const char *str) {
 206   if (!adns__vbuf_appendstr(&vb,str)) Tnomem();
 207 }
 208 void Tvbvf(const char *fmt, va_list al) {
 209   char buf[1000];
 210   buf[sizeof(buf)-2]= '\t';
 211   vsnprintf(buf,sizeof(buf),fmt,al);
 212   assert(buf[sizeof(buf)-2] == '\t');
 213   Tvba(buf);
 214 }
 215 void Tvbf(const char *fmt, ...) {
 216   va_list al;
 217   va_start(al,fmt);
 218   Tvbvf(fmt,al);
 219   va_end(al);
 220 }
 221 void Tmust(const char *call, const char *arg, int cond) {
 222   if (cond) return;
 223   fprintf(stderr,"adns test harness: case not handled: system call %s, arg %s",call,arg);
 224   exit(-1);
 225 }
 226 void Tfailed(const char *why) {
 227   fprintf(stderr,"adns test harness: failure: %s: %s\n",why,strerror(errno));
 228   exit(-1);
 229 }
 230 void Tnomem(void) {
 231   Tfailed("unable to malloc/realloc");
 232 }
 233 void Toutputerr(void) {
 234   Tfailed("write error on test harness output");
 235 }
 236 struct malloced {
 237   struct malloced *next, *back;
 238   size_t sz;
 239   unsigned long count;
 240   struct { double d; long ul; void *p; void (*fp)(void); } data;
 241 };
 242 static unsigned long malloccount, mallocfailat;
 243 static struct { struct malloced *head, *tail; } mallocedlist;
 244 #define MALLOCHSZ ((char*)&mallocedlist.head->data - (char*)mallocedlist.head)
 245 void *Hmalloc(size_t sz) {
 246   struct malloced *newnode;
 247   const char *mfavar;
 248   char *ep;
 249   assert(sz);
 250   newnode= malloc(MALLOCHSZ + sz);  if (!newnode) Tnomem();
 251   LIST_LINK_TAIL(mallocedlist,newnode);
 252   newnode->sz= sz;
 253   newnode->count= ++malloccount;
 254   if (!mallocfailat) {
 255     mfavar= getenv("ADNS_REGRESS_MALLOCFAILAT");
 256     if (mfavar) {
 257       mallocfailat= strtoul(mfavar,&ep,10);
 258       if (!mallocfailat || *ep) Tfailed("ADNS_REGRESS_MALLOCFAILAT bad value");
 259     } else {
 260       mallocfailat= ~0UL;
 261     }
 262   }
 263   assert(newnode->count != mallocfailat);
 264   memset(&newnode->data,0xc7,sz);
 265   return &newnode->data;
 266 }
 267 void Hfree(void *ptr) {
 268   struct malloced *oldnode;
 269   if (!ptr) return;
 270   oldnode= (void*)((char*)ptr - MALLOCHSZ);
 271   LIST_UNLINK(mallocedlist,oldnode);
 272   memset(&oldnode->data,0x38,oldnode->sz);
 273   free(oldnode);
 274 }
 275 void *Hrealloc(void *op, size_t nsz) {
 276   struct malloced *oldnode;
 277   void *np;
 278   size_t osz;
 279   if (op) { oldnode= (void*)((char*)op - MALLOCHSZ); osz= oldnode->sz; } else { osz= 0; }
 280   np= Hmalloc(nsz);
 281   memcpy(np,op, osz>nsz ? nsz : osz);
 282   Hfree(op);
 283   return np;
 284 }
 285 void Hexit(int rv) {
 286   struct malloced *loopnode;
 287   Tshutdown();
 288   adns__vbuf_free(&vb);
 289   adns__vbuf_free(&vbw);
 290   if (mallocedlist.head) {
 291     fprintf(stderr,"adns test harness: memory leaked:");
 292     for (loopnode=mallocedlist.head; loopnode; loopnode=loopnode->next)
 293       fprintf(stderr," %lu",loopnode->count);
 294     putc('\n',stderr);
 295     if (ferror(stderr)) exit(-1);
 296   }
 297   exit(rv);
 298 }
 299 pid_t Hgetpid(void) {
 300   return 2264; /* just some number */
 301 }