Exemple #1
0
int ei_skip_term(const char* buf, int* index)
{
    int i, n, ty;

    /* ASSERT(ep != NULL); */

    ei_get_type_internal(buf, index, &ty, &n);
    switch (ty) {
    case ERL_ATOM_EXT:
	/* FIXME: what if some weird locale is in use? */
	if (ei_decode_atom_as(buf, index, NULL, MAXATOMLEN_UTF8, (ERLANG_LATIN1|ERLANG_UTF8),
			      NULL, NULL) < 0) return -1;
	break;
    case ERL_PID_EXT:
    case ERL_NEW_PID_EXT:
	if (ei_decode_pid(buf, index, NULL) < 0) return -1;
	break;
    case ERL_PORT_EXT:
    case ERL_NEW_PORT_EXT:
	if (ei_decode_port(buf, index, NULL) < 0) return -1;
	break;
    case ERL_NEW_REFERENCE_EXT:
    case ERL_NEWER_REFERENCE_EXT:
    case ERL_REFERENCE_EXT:
	if (ei_decode_ref(buf, index, NULL) < 0) return -1;
	break;
    case ERL_NIL_EXT:
	if (ei_decode_list_header(buf, index, &n) < 0) return -1;
	break;
    case ERL_LIST_EXT:
	if (ei_decode_list_header(buf, index, &n) < 0) return -1;
	for (i = 0; i < n; ++i)
	    ei_skip_term(buf, index);
	if (ei_get_type_internal(buf, index, &ty, &n) < 0) return -1;
	if (ty != ERL_NIL_EXT)
	    ei_skip_term(buf, index);
	else
	    if (ei_decode_list_header(buf, index, &n) < 0) return -1;
	break;
    case ERL_STRING_EXT:
	if (ei_decode_string(buf, index, NULL) < 0) return -1;
	break;
    case ERL_SMALL_TUPLE_EXT:
    case ERL_LARGE_TUPLE_EXT:
	if (ei_decode_tuple_header(buf, index, &n) < 0) return -1;
	for (i = 0; i < n; ++i)
	    ei_skip_term(buf, index);
	break;
    case ERL_MAP_EXT:
	if (ei_decode_map_header(buf, index, &n) < 0) return -1;
	n *= 2;
	for (i = 0; i < n; ++i)
	    ei_skip_term(buf, index);
	break;
    case ERL_BINARY_EXT:
	if (ei_decode_binary(buf, index, NULL, NULL) < 0)
	    return -1;
	break;
    case ERL_SMALL_INTEGER_EXT:
    case ERL_INTEGER_EXT:
	if (ei_decode_long(buf, index, NULL) < 0) return -1;
	break;
    case ERL_SMALL_BIG_EXT:
    case ERL_LARGE_BIG_EXT:
	if (ei_decode_big(buf, index, NULL) < 0) return -1;
	break;
    case ERL_FLOAT_EXT:
    case NEW_FLOAT_EXT:
	if (ei_decode_double(buf, index, NULL) < 0) return -1;
	break;
    case ERL_FUN_EXT:
    case ERL_NEW_FUN_EXT:
	if (ei_decode_fun(buf, index, NULL) < 0) return -1;
	break;
    default:
	return -1;
    }
    return 0;
}
Exemple #2
0
int main(void)
#endif
{
  ErlConnect conp;
  Erl_IpAddr thisipaddr = (Erl_IpAddr)0;
  FILE *fp = (FILE *)0;
  char* charp = "foo";
  double *doublep = NULL;
  double doublex = 0.0;
  ei_cnode xec;
  ei_reg *ei_regp = NULL;
  ei_term eterm;
  ei_x_buff eix;
  erlang_big *bigp = NULL;
  erlang_fun efun;
  erlang_msg *msgp = NULL;
  erlang_msg emsg;
  erlang_pid *pidp = NULL;
  erlang_pid epid;
  erlang_port eport;
  erlang_ref eref;
  erlang_trace etrace;
  int *intp = NULL;
  int intx = 0;
  long *longp = NULL;
  long longx = 0;
  short creation = 0;
  struct ei_reg_stat *ei_reg_statp = NULL;
  struct ei_reg_tabstat *ei_reg_tabstatp = NULL;
  struct hostent *hostp = NULL;
  unsigned char * ucharp = (unsigned char *)"foo";
  unsigned long *ulongp = NULL;
  unsigned long ulongx = 0;
  void *voidp = NULL;
#ifndef VXWORKS
  EI_LONGLONG *longlongp = (EI_LONGLONG*)NULL;
  EI_LONGLONG longlongx = 0;
  EI_ULONGLONG *ulonglongp = (EI_ULONGLONG*)NULL;
  EI_ULONGLONG ulonglongx = 0;
#endif
  enum erlang_char_encoding enc;

  intx = erl_errno;

  ei_connect_init(&xec, charp, charp, creation);
  ei_connect_xinit (&xec, charp, charp, charp, thisipaddr, charp, creation);

  ei_connect(&xec, charp);
  ei_xconnect (&xec, thisipaddr, charp);

  ei_receive(intx, ucharp, intx);
  ei_receive_msg(intx, &emsg, &eix);
  ei_xreceive_msg(intx, &emsg, &eix);

  ei_send(intx, &epid, charp, intx);
  ei_reg_send(&xec, intx, charp, charp, intx);

  ei_rpc(&xec, intx, charp, charp, charp, intx, &eix);
  ei_rpc_to(&xec, intx, charp, charp, charp, intx);
  ei_rpc_from(&xec, intx, intx, &emsg, &eix);

  ei_publish(&xec, intx);
  ei_accept(&xec, intx, &conp);
  ei_unpublish(&xec);

  ei_thisnodename(&xec);
  ei_thishostname(&xec);
  ei_thisalivename(&xec);

  ei_self(&xec);

  ei_gethostbyname(charp);
  ei_gethostbyaddr(charp, intx, intx);
  ei_gethostbyname_r(charp, hostp, charp, intx, intp);
  ei_gethostbyaddr_r(charp, intx, intx, hostp, charp, intx, intp);

  ei_encode_version(charp, intp);
  ei_x_encode_version(&eix);
  ei_encode_long(charp, intp, longx);
  ei_x_encode_long(&eix, longx);
  ei_encode_ulong(charp, intp, ulongx);
  ei_x_encode_ulong(&eix, ulongx);
  ei_encode_double(charp, intp, doublex);
  ei_x_encode_double(&eix, doublex);
  ei_encode_boolean(charp, intp, intx);
  ei_x_encode_boolean(&eix, intx);
  ei_encode_char(charp, intp, 'a');
  ei_x_encode_char(&eix, 'a');
  ei_encode_string(charp, intp, charp);
  ei_encode_string_len(charp, intp, charp, intx);
  ei_x_encode_string(&eix, charp);
  ei_x_encode_string_len(&eix, charp, intx);
  ei_encode_atom(charp, intp, charp);
  ei_encode_atom_as(charp, intp, charp, ERLANG_LATIN1, ERLANG_UTF8);
  ei_encode_atom_len(charp, intp, charp, intx);
  ei_encode_atom_len_as(charp, intp, charp, intx, ERLANG_ASCII, ERLANG_LATIN1);
  ei_x_encode_atom(&eix, charp);
  ei_x_encode_atom_as(&eix, charp, ERLANG_LATIN1, ERLANG_UTF8);
  ei_x_encode_atom_len(&eix, charp, intx);
  ei_x_encode_atom_len_as(&eix, charp, intx, ERLANG_LATIN1, ERLANG_UTF8);
  ei_encode_binary(charp, intp, (void *)0, longx);
  ei_x_encode_binary(&eix, (void*)0, intx);
  ei_encode_pid(charp, intp, &epid);
  ei_x_encode_pid(&eix, &epid);
  ei_encode_fun(charp, intp, &efun);
  ei_x_encode_fun(&eix, &efun);
  ei_encode_port(charp, intp, &eport);
  ei_x_encode_port(&eix, &eport);
  ei_encode_ref(charp, intp, &eref);
  ei_x_encode_ref(&eix, &eref);
  ei_encode_trace(charp, intp, &etrace);
  ei_x_encode_trace(&eix, &etrace);
  ei_encode_tuple_header(charp, intp, intx);
  ei_x_encode_tuple_header(&eix, longx);
  ei_encode_list_header(charp, intp, intx);
  ei_x_encode_list_header(&eix, longx);
/* #define ei_encode_empty_list(buf,i) ei_encode_list_header(buf,i,0) */
  ei_x_encode_empty_list(&eix);

  ei_get_type(charp, intp, intp, intp);
  ei_get_type_internal(charp, intp, intp, intp);

  ei_decode_version(charp, intp, intp);
  ei_decode_long(charp, intp, longp);
  ei_decode_ulong(charp, intp, ulongp);
  ei_decode_double(charp, intp, doublep);
  ei_decode_boolean(charp, intp, intp);
  ei_decode_char(charp, intp, charp);
  ei_decode_string(charp, intp, charp);
  ei_decode_atom(charp, intp, charp);
  ei_decode_atom_as(charp, intp, charp, MAXATOMLEN_UTF8, ERLANG_WHATEVER, &enc, &enc);
  ei_decode_binary(charp, intp, (void *)0, longp);
  ei_decode_fun(charp, intp, &efun);
  free_fun(&efun);
  ei_decode_pid(charp, intp, &epid);
  ei_decode_port(charp, intp, &eport);
  ei_decode_ref(charp, intp, &eref);
  ei_decode_trace(charp, intp, &etrace);
  ei_decode_tuple_header(charp, intp, intp);
  ei_decode_list_header(charp, intp, intp);

  ei_decode_ei_term(charp, intp, &eterm);

  ei_print_term(fp, charp, intp);
  ei_s_print_term(&charp, charp, intp);

  ei_x_format(&eix, charp);
  ei_x_format_wo_ver(&eix, charp);

  ei_x_new(&eix);
  ei_x_new_with_version(&eix);
  ei_x_free(&eix);
  ei_x_append(&eix, &eix);
  ei_x_append_buf(&eix, charp, intx);
  ei_skip_term(charp, intp);

  ei_reg_open(intx);
  ei_reg_resize(ei_regp, intx);
  ei_reg_close(ei_regp);

  ei_reg_setival(ei_regp, charp, longx);
  ei_reg_setfval(ei_regp, charp, doublex);
  ei_reg_setsval(ei_regp, charp, charp);
  ei_reg_setpval(ei_regp, charp, voidp, intx);

  ei_reg_setval(ei_regp, charp, intx);

  ei_reg_getival(ei_regp, charp);
  ei_reg_getfval(ei_regp, charp);
  ei_reg_getsval(ei_regp, charp);
  ei_reg_getpval(ei_regp, charp, intp);

  ei_reg_getval(ei_regp, charp, intx);

  ei_reg_markdirty(ei_regp, charp);

  ei_reg_delete(ei_regp, charp);

  ei_reg_stat(ei_regp, charp, ei_reg_statp);

  ei_reg_tabstat(ei_regp, ei_reg_tabstatp);

  ei_reg_dump(intx, ei_regp, charp, intx);
  ei_reg_restore(intx, ei_regp, charp);
  ei_reg_purge(ei_regp);

#if defined(HAVE_GMP_H) && defined(HAVE_LIBGMP)
  {
      mpz_t obj;
      ei_decode_bignum(charp, intp, obj);
      ei_encode_bignum(charp, intp, obj);
      ei_x_encode_bignum(&eix, obj);
  }
#endif /* HAVE_GMP_H && HAVE_LIBGMP */

#ifndef VXWORKS

  ei_decode_longlong(charp, intp, longlongp);
  ei_decode_ulonglong(charp, intp, ulonglongp);
  ei_encode_longlong(charp, intp, longlongx);
  ei_encode_ulonglong(charp, intp, ulonglongx);
  ei_x_encode_longlong(&eix, longlongx);
  ei_x_encode_ulonglong(&eix, ulonglongx);

#endif

#ifdef USE_EI_UNDOCUMENTED

  ei_decode_intlist(charp, intp, longp, intp);

  ei_receive_encoded(intx, &charp, intp, msgp, intp);
  ei_send_encoded(intx, pidp, charp, intx);
  ei_send_reg_encoded(intx, pidp, charp, charp, intx);

  ei_decode_big(charp, intp, bigp);
  ei_big_comp(bigp, bigp);
  ei_big_to_double(bigp, doublep);
  ei_small_to_big(intx, bigp);
  ei_alloc_big(intx);
  ei_free_big(bigp);

#endif /* USE_EI_UNDOCUMENTED */

  return
      BUFSIZ +
      EAGAIN +
      EHOSTUNREACH +
      EIO +
      EI_BIN +
      EI_DELET +
      EI_DIRTY +
      EI_FLT +
      EI_FORCE +
      EI_INT +
      EI_NOPURGE +
      EI_STR +
      EMSGSIZE +
      ENOMEM +
      ERL_ERROR +
      ERL_EXIT +
      ERL_LINK +
      ERL_MSG +
      ERL_NO_TIMEOUT +
      ERL_REG_SEND +
      ERL_SEND +
      ERL_TICK +
      ERL_TIMEOUT +
      ERL_UNLINK +
      ETIMEDOUT +
      MAXATOMLEN;
}
Exemple #3
0
static int print_term(FILE* fp, ei_x_buff* x,
			       const char* buf, int* index)
{
    int i, doquote, n, m, ty, r;
    char a[MAXATOMLEN], *p;
    int ch_written = 0;		/* counter of written chars */
    erlang_pid pid;
    erlang_port port;
    erlang_ref ref;
    double d;
    long l;

    int tindex = *index;

    /* use temporary index for multiple (and failable) decodes */

    if (fp == NULL && x == NULL) return -1;

    doquote = 0;
    ei_get_type_internal(buf, index, &ty, &n);
    switch (ty) {
    case ERL_ATOM_EXT:   
    case ERL_ATOM_UTF8_EXT:
    case ERL_SMALL_ATOM_EXT:
    case ERL_SMALL_ATOM_UTF8_EXT:
	if (ei_decode_atom(buf, index, a) < 0)
	   goto err;
	doquote = !islower((int)a[0]);
	for (p = a; !doquote && *p != '\0'; ++p)
	    doquote = !(isalnum((int)*p) || *p == '_' || *p == '@');
	if (doquote) {
	    xputc('\'', fp, x); ++ch_written; 
	}
	xputs(a, fp, x); ch_written += strlen(a);
	if (doquote) {
	    xputc('\'', fp, x); ++ch_written;
	}
	break;
    case ERL_PID_EXT:
    case ERL_NEW_PID_EXT:
	if (ei_decode_pid(buf, index, &pid) < 0) goto err;
	ch_written += xprintf(fp, x, "<%s.%d.%d>", pid.node,
			      pid.num, pid.serial);
	break;
    case ERL_PORT_EXT:
    case ERL_NEW_PORT_EXT:
	if (ei_decode_port(buf, index, &port) < 0) goto err;
	ch_written += xprintf(fp, x, "#Port<%d.%d>", port.id, port.creation);
	break;
    case ERL_NEW_REFERENCE_EXT:
    case ERL_NEWER_REFERENCE_EXT:
    case ERL_REFERENCE_EXT:
	if (ei_decode_ref(buf, index, &ref) < 0) goto err;
	ch_written += xprintf(fp, x, "#Ref<");
	for (i = 0; i < ref.len; ++i) {
	    ch_written += xprintf(fp, x, "%d", ref.n[i]);
	    if (i < ref.len - 1) {
		xputc('.', fp, x); ++ch_written;
	    }
	}
	xputc('>', fp, x); ++ch_written;
	break;
    case ERL_NIL_EXT:
	if (ei_decode_list_header(buf, index, &n) < 0) goto err;
	ch_written += xprintf(fp, x, "[]");
	break;
    case ERL_LIST_EXT:
	if (ei_decode_list_header(buf, &tindex, &n) < 0) goto err;
	xputc('[', fp, x); ch_written++;
	for (i = 0; i < n; ++i) {
	    r = print_term(fp, x, buf, &tindex);
	    if (r < 0) goto err;
	    ch_written += r;
	    if (i < n - 1) {
		xputs(", ", fp, x); ch_written += 2;
	    }
	}
	if (ei_get_type_internal(buf, &tindex, &ty, &n) < 0) goto err;
	if (ty != ERL_NIL_EXT) {
	    xputs(" | ", fp, x); ch_written += 3;
	    r = print_term(fp, x, buf, &tindex);
	    if (r < 0) goto err;
	    ch_written += r;
	} else {
	    if (ei_decode_list_header(buf, &tindex, &n) < 0) goto err;
	}
	xputc(']', fp, x); ch_written++;
	*index = tindex;
	break;
    case ERL_STRING_EXT:
	p = ei_malloc(n+1);
	if (p == NULL) goto err;
	if (ei_decode_string(buf, index, p) < 0) {
	    ei_free(p);
	    goto err;
	}
	ch_written += print_string(fp, x, p, n);
	ei_free(p);
	break;
    case ERL_SMALL_TUPLE_EXT:
    case ERL_LARGE_TUPLE_EXT:
	if (ei_decode_tuple_header(buf, &tindex, &n) < 0) goto err;
	xputc('{', fp, x); ch_written++;

	for (i = 0; i < n; ++i) {
	    r = print_term(fp, x, buf, &tindex);
	    if (r < 0) goto err;
	    ch_written += r;
	    if (i < n-1) {
		xputs(", ", fp, x); ch_written += 2;
	    }
	}
	*index = tindex;
	xputc('}', fp, x); ch_written++;
	break;
    case ERL_BINARY_EXT:
	p = ei_malloc(n);
	if (p == NULL) goto err;
	if (ei_decode_binary(buf, index, p, &l) < 0) {
	    ei_free(p);
	    goto err;
	}
	ch_written += xprintf(fp, x, "#Bin<");
	if (l > BINPRINTSIZE)
	    m = BINPRINTSIZE;
	else
	    m = l;
	--m;
	for (i = 0; i < m; ++i) {
	    ch_written += xprintf(fp, x, "%d,", p[i]);
	}
	ch_written += xprintf(fp, x, "%d", p[i]);
	if (l > BINPRINTSIZE)
	    ch_written += xprintf(fp, x, ",...");
	xputc('>', fp, x); ++ch_written;
	ei_free(p);
	break;
    case ERL_SMALL_INTEGER_EXT:
    case ERL_INTEGER_EXT:
	if (ei_decode_long(buf, index, &l) < 0) goto err;
	ch_written += xprintf(fp, x, "%ld", l);
	break;
    case ERL_SMALL_BIG_EXT:
    case ERL_LARGE_BIG_EXT:
        {
            erlang_big *b;
            char *ds;

            if ( (b = ei_alloc_big(n)) == NULL) goto err;

            if (ei_decode_big(buf, index, b) < 0) {
                ei_free_big(b);
                goto err;
            }
            
            if ( (ds = ei_big_to_str(b)) == NULL ) {
                ei_free_big(b);
                goto err;
            }
            
            ch_written += xprintf(fp, x, ds);
            free(ds);
            ei_free_big(b);
            
        }
        break;

    case ERL_FLOAT_EXT:
    case NEW_FLOAT_EXT:
	if (ei_decode_double(buf, index, &d) < 0) goto err;
	ch_written += xprintf(fp, x, "%f", d);
	break;
    default:
	goto err;
    }
    return ch_written;
 err:
    return -1;
}