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 domain , int type   ) {
  71  vb.used= 0;
  72  Tvba("socket");
  73   Tvbf(domain==AF_INET ? " domain=AF_INET" :
  74           domain==AF_INET6 ? " domain=AF_INET6" :
  75           " domain=AF_???");
  76   Tvbf(type==SOCK_STREAM ? " type=SOCK_STREAM" : " type=SOCK_DGRAM");
  77   Q_vb();
  78 }
  79 void Qfcntl(    int fd , int cmd , long arg     ) {
  80  vb.used= 0;
  81  Tvba("fcntl");
  82         Tvbf(" fd=%d",fd);
  83   if (cmd == F_SETFL) {
  84    Tvbf(" cmd=F_SETFL %s",arg & O_NONBLOCK ? "O_NONBLOCK|..." : "~O_NONBLOCK&...");
  85   } else if (cmd == F_GETFL) {
  86    Tvba(" cmd=F_GETFL");
  87   } else {
  88    Tmust("cmd","F_GETFL/F_SETFL",0);
  89   }
  90   Q_vb();
  91 }
  92 void Qconnect(  int fd , const struct sockaddr *addr , int addrlen      ) {
  93  vb.used= 0;
  94  Tvba("connect");
  95         Tvbf(" fd=%d",fd);
  96         Tvba(" addr="); Tvbaddr(addr,addrlen);
  97   Q_vb();
  98 }
  99 void Qbind(     int fd , const struct sockaddr *addr , int addrlen      ) {
 100  vb.used= 0;
 101  Tvba("bind");
 102         Tvbf(" fd=%d",fd);
 103         Tvba(" addr="); Tvbaddr(addr,addrlen);
 104   Q_vb();
 105 }
 106 void Qlisten(   int fd , int backlog    ) {
 107  vb.used= 0;
 108  Tvba("listen");
 109         Tvbf(" fd=%d",fd);
 110         Tvbf(" backlog=%d",backlog);
 111   Q_vb();
 112 }
 113 void Qclose(    int fd  ) {
 114  vb.used= 0;
 115  Tvba("close");
 116         Tvbf(" fd=%d",fd);
 117   Q_vb();
 118 }
 119 void Qsendto(   int fd , const void *msg , int msglen , const struct sockaddr *addr , int addrlen       ) {
 120  vb.used= 0;
 121  Tvba("sendto");
 122         Tvbf(" fd=%d",fd);
 123         Tvba(" addr="); Tvbaddr(addr,addrlen);
 124         Tvbbytes(msg,msglen);
 125   Q_vb();
 126 }
 127 void Qrecvfrom( int fd , int buflen , int addrlen       ) {
 128  vb.used= 0;
 129  Tvba("recvfrom");
 130         Tvbf(" fd=%d",fd);
 131         Tvbf(" buflen=%lu",(unsigned long)buflen);
 132   Q_vb();
 133 }
 134 void Qread(     int fd , size_t buflen  ) {
 135  vb.used= 0;
 136  Tvba("read");
 137         Tvbf(" fd=%d",fd);
 138         Tvbf(" buflen=%lu",(unsigned long)buflen);
 139   Q_vb();
 140 }
 141 void Qwrite(    int fd , const void *buf , size_t len   ) {
 142  vb.used= 0;
 143  Tvba("write");
 144         Tvbf(" fd=%d",fd);
 145         Tvbbytes(buf,len);
 146   Q_vb();
 147 }
 148 void Tvbaddr(const struct sockaddr *addr, int len) {
 149   char buf[ADNS_ADDR2TEXT_BUFLEN];
 150   int err, port;
 151   int sz= sizeof(buf);
 152   err= adns_addr2text(addr, 0, buf,&sz, &port);
 153   assert(!err);
 154   Tvbf(strchr(buf, ':') ? "[%s]:%d" : "%s:%d", buf,port);
 155 }
 156 void Tvbbytes(const void *buf, int len) {
 157   const byte *bp;
 158   int i;
 159   if (!len) { Tvba("\n     ."); return; }
 160   for (i=0, bp=buf; i<len; i++, bp++) {
 161     if (!(i&31)) Tvba("\n     ");
 162     else if (!(i&3)) Tvba(" ");
 163     Tvbf("%02x",*bp);
 164   }
 165   Tvba(".");
 166 }
 167 void Tvbfdset(int max, const fd_set *fds) {
 168   int i;
 169   const char *comma= "";
 170   if (!fds) {
 171     Tvba("null");
 172     return;
 173   }
 174   Tvba("[");
 175   for (i=0; i<max; i++) {
 176     if (!FD_ISSET(i,fds)) continue;
 177     Tvba(comma);
 178     Tvbf("%d",i);
 179     comma= ",";
 180   }
 181   Tvba("]");
 182 }
 183 static void Tvbpollevents(int events) {
 184   const char *delim= "";
 185   events &= (POLLIN|POLLOUT|POLLPRI);
 186   if (!events) { Tvba("0"); return; }
 187   if (events & POLLIN) { Tvba("POLLIN"); delim= "|"; }
 188   if (events & POLLOUT) { Tvba(delim); Tvba("POLLOUT"); delim= "|"; }
 189   if (events & POLLPRI) { Tvba(delim); Tvba("POLLPRI"); }
 190 }
 191 void Tvbpollfds(const struct pollfd *fds, int nfds) {
 192   const char *comma= "";
 193   Tvba("[");
 194   while (nfds>0) {
 195     Tvba(comma);
 196     Tvbf("{fd=%d, events=",fds->fd);
 197     Tvbpollevents(fds->events);
 198     Tvba(", revents=");
 199     Tvbpollevents(fds->revents);
 200     Tvba("}");
 201     comma= ", ";
 202     nfds--; fds++;
 203   }
 204   Tvba("]");
 205 }
 206 void Tvberrno(int e) {
 207   const struct Terrno *te;
 208   for (te= Terrnos; te->n && te->v != e; te++);
 209   assert(te->n);
 210   Tvba(te->n);
 211 }
 212 void Tvba(const char *str) {
 213   if (!adns__vbuf_appendstr(&vb,str)) Tnomem();
 214 }
 215 void Tvbvf(const char *fmt, va_list al) {
 216   char buf[1000];
 217   buf[sizeof(buf)-2]= '\t';
 218   vsnprintf(buf,sizeof(buf),fmt,al);
 219   assert(buf[sizeof(buf)-2] == '\t');
 220   Tvba(buf);
 221 }
 222 void Tvbf(const char *fmt, ...) {
 223   va_list al;
 224   va_start(al,fmt);
 225   Tvbvf(fmt,al);
 226   va_end(al);
 227 }
 228 void Tmust(const char *call, const char *arg, int cond) {
 229   if (cond) return;
 230   fprintf(stderr,"adns test harness: case not handled: system call %s, arg %s",call,arg);
 231   exit(-1);
 232 }
 233 void Tfailed(const char *why) {
 234   fprintf(stderr,"adns test harness: failure: %s: %s\n",why,strerror(errno));
 235   exit(-1);
 236 }
 237 void Tnomem(void) {
 238   Tfailed("unable to malloc/realloc");
 239 }
 240 void Toutputerr(void) {
 241   Tfailed("write error on test harness output");
 242 }
 243 struct malloced {
 244   struct malloced *next, *back;
 245   size_t sz;
 246   unsigned long count;
 247   struct { double d; long ul; void *p; void (*fp)(void); } data;
 248 };
 249 static unsigned long malloccount, mallocfailat;
 250 static struct { struct malloced *head, *tail; } mallocedlist;
 251 #define MALLOCHSZ ((char*)&mallocedlist.head->data - (char*)mallocedlist.head)
 252 void *Hmalloc(size_t sz) {
 253   struct malloced *newnode;
 254   const char *mfavar;
 255   char *ep;
 256   assert(sz);
 257   newnode= malloc(MALLOCHSZ + sz);  if (!newnode) Tnomem();
 258   LIST_LINK_TAIL(mallocedlist,newnode);
 259   newnode->sz= sz;
 260   newnode->count= ++malloccount;
 261   if (!mallocfailat) {
 262     mfavar= getenv("ADNS_REGRESS_MALLOCFAILAT");
 263     if (mfavar) {
 264       mallocfailat= strtoul(mfavar,&ep,10);
 265       if (!mallocfailat || *ep) Tfailed("ADNS_REGRESS_MALLOCFAILAT bad value");
 266     } else {
 267       mallocfailat= ~0UL;
 268     }
 269   }
 270   assert(newnode->count != mallocfailat);
 271   memset(&newnode->data,0xc7,sz);
 272   return &newnode->data;
 273 }
 274 void Hfree(void *ptr) {
 275   struct malloced *oldnode;
 276   if (!ptr) return;
 277   oldnode= (void*)((char*)ptr - MALLOCHSZ);
 278   LIST_UNLINK(mallocedlist,oldnode);
 279   memset(&oldnode->data,0x38,oldnode->sz);
 280   free(oldnode);
 281 }
 282 void *Hrealloc(void *op, size_t nsz) {
 283   struct malloced *oldnode;
 284   void *np;
 285   size_t osz;
 286   if (op) { oldnode= (void*)((char*)op - MALLOCHSZ); osz= oldnode->sz; } else { osz= 0; }
 287   np= Hmalloc(nsz);
 288   if (osz) memcpy(np,op, osz>nsz ? nsz : osz);
 289   Hfree(op);
 290   return np;
 291 }
 292 void Hexit(int rv) {
 293   struct malloced *loopnode;
 294   Tshutdown();
 295   adns__vbuf_free(&vb);
 296   adns__vbuf_free(&vbw);
 297   if (mallocedlist.head) {
 298     fprintf(stderr,"adns test harness: memory leaked:");
 299     for (loopnode=mallocedlist.head; loopnode; loopnode=loopnode->next)
 300       fprintf(stderr," %lu",loopnode->count);
 301     putc('\n',stderr);
 302     if (ferror(stderr)) exit(-1);
 303   }
 304   exit(rv);
 305 }
 306 pid_t Hgetpid(void) {
 307   return 2264; /* just some number */
 308 }