コード例 #1
0
ファイル: erl_eterm.c プロジェクト: billysvensson/otp
void erl_mk_pid_helper(ETERM *ep, unsigned int number, 
		       unsigned int serial, unsigned int creation)
{
    ERL_PID_NUMBER(ep)   = number & 0x7fff; /* 15 bits */
    if (ei_internal_use_r9_pids_ports()) {
	ERL_PID_SERIAL(ep)   = serial & 0x07;  /* 3 bits */
    }
    else {
	ERL_PID_SERIAL(ep)   = serial & 0x1fff;  /* 13 bits */
    }
    ERL_PID_CREATION(ep) = creation; /* 32 bits */
}
コード例 #2
0
ファイル: erl_eterm.c プロジェクト: bmk/otp
void erl_mk_pid_helper(ETERM *ep, unsigned int number, 
		       unsigned int serial, unsigned int creation)
{
    ERL_PID_NUMBER(ep)   = number & 0x7fff; /* 15 bits */
    ERL_PID_SERIAL(ep)   = serial & 0x1fff;  /* 13 bits */
    ERL_PID_CREATION(ep) = creation; /* 32 bits */
}
コード例 #3
0
ファイル: whereis.c プロジェクト: system/erlang-otp
erlang_pid *erl_whereis(int fd, const char *name)
{
  ETERM *reply;
  ETERM *n;
  /* FIXME problem for threaded ? */
  static erlang_pid pid;
  
  n = erl_format("[~a]",name);
  reply = erl_rpc(fd,"erlang","whereis",n);
  erl_free_term(n);

  if (reply && (ERL_IS_PID(reply))) {
    char *node;
    node =  ERL_PID_NODE(reply);
    strcpy(pid.node,node);
    pid.num = ERL_PID_NUMBER(reply);
    pid.serial = ERL_PID_SERIAL(reply);
    pid.creation = ERL_PID_CREATION(reply);
    erl_free_term(reply);
    return &pid;
  }

  if (reply) erl_free_term(reply);
  return NULL;
}
コード例 #4
0
ファイル: erl_connect.c プロジェクト: 0x00evil/otp
/* 
 * Sends an Erlang message to a process at an Erlang node
 */
int erl_send(int fd, ETERM *to ,ETERM *msg)
{
    erlang_pid topid;
    ei_x_buff x;
    int r;

    ei_x_new_with_version(&x);
    ei_x_encode_term(&x, msg);
    /* make the to-pid */
    if (!ERL_IS_PID(to)) {
	ei_x_free(&x);
	erl_errno = EINVAL;
	return -1;
    }

    if (to->uval.pidval.node.latin1) {
	strcpy(topid.node, to->uval.pidval.node.latin1);
    }
    else {
	strcpy(topid.node, to->uval.pidval.node.utf8);
    }    
    topid.num = ERL_PID_NUMBER(to);
    topid.serial = ERL_PID_SERIAL(to);
    topid.creation = ERL_PID_CREATION(to);
    r = ei_send(fd, &topid, x.buff, x.index);
    ei_x_free(&x);
    return r == 0;
}
コード例 #5
0
ファイル: erl_eterm.c プロジェクト: billysvensson/otp
int erl_print_term(FILE *fp, const ETERM *ep)
{
    int j,i,doquote;
    int ch_written = 0; /* counter of written chars */

    if ((!fp) || (!ep)) return 0;
    /* ASSERT(ep != NULL); */

    j = i = doquote = 0;
    switch(ERL_TYPE(ep)) 
    {
    case ERL_ATOM: {
	char* adata = ERL_ATOM_PTR(ep);
	/* FIXME: what if some weird locale is in use? */
	if (!islower(adata[0]))
	    doquote = 1;

	for (i = 0; !doquote && i < ERL_ATOM_SIZE(ep); i++) 
	{
	    doquote = !(isalnum(adata[i]) || (adata[i] == '_'));
	}

	if (doquote) {
	    putc('\'', fp);
	    ch_written++; 
	}
	fputs(adata, fp);
	ch_written += ERL_ATOM_SIZE(ep);	
	if (doquote) {
	    putc('\'', fp);
	    ch_written++;
	}
	break;
    }
    case ERL_VARIABLE:
	if (!isupper((int)ERL_VAR_NAME(ep)[0])) {
	    doquote = 1;
	    putc('\'', fp);
	    ch_written++;
	}
	
	fputs(ERL_VAR_NAME(ep), fp);
	ch_written += ERL_VAR_LEN(ep);
	
	if (doquote) {
	    putc('\'', fp);
	    ch_written++;
	}
	break;

    case ERL_PID:
	ch_written += fprintf(fp, "<%s.%d.%d>", 
			    ERL_PID_NODE(ep), 
			    ERL_PID_NUMBER(ep), ERL_PID_SERIAL(ep));
      break;
    case ERL_PORT:
      ch_written += fprintf(fp, "#Port");
      break;
    case ERL_REF:
      ch_written += fprintf(fp, "#Ref");
      break;
    case ERL_EMPTY_LIST:
      ch_written += fprintf(fp, "[]");
      break;
    case ERL_LIST: 
	if (is_printable_list(ep)) {
	    ch_written += print_string(fp, ep);
	} else {
	    putc('[', fp);
	    ch_written++;
	    while (ERL_IS_CONS(ep)) {
		ch_written += erl_print_term(fp, HEAD(ep));
		ep = TAIL(ep);
		if (ERL_IS_CONS(ep)) {
		    putc(',', fp);
		    ch_written++;
		}
	    }
	    if (!ERL_IS_EMPTY_LIST(ep)) {
		putc('|', fp);
		ch_written++;
		ch_written += erl_print_term(fp, ep);
	    }
	    putc(']', fp);
	    ch_written++;
	}
	break;
    case ERL_TUPLE:
      putc('{', fp);
      ch_written++;
      for (i=0; i < ERL_TUPLE_SIZE(ep); i++) {
	ch_written += erl_print_term(fp, ERL_TUPLE_ELEMENT(ep, j++) );
	if (i != ERL_TUPLE_SIZE(ep)-1) {
	  putc(',', fp);
	  ch_written++;
	}
      }
      putc('}', fp);
      ch_written++;
      break;
    case ERL_BINARY: {
	int sz = (ERL_BIN_SIZE(ep) > 20) ? 20 : ERL_BIN_SIZE(ep);
	unsigned char *ptr = ERL_BIN_PTR(ep);
	ch_written += fprintf(fp, "#Bin<");
	for (i = 0; i < sz; i++) { 
	    putc(ptr[i], fp); ch_written++;
	}
	if (sz == 20) ch_written += fprintf(fp, "(%d)....>", ERL_BIN_SIZE(ep)-20);
	else ch_written += fprintf(fp, ">");
	break;
      }
    case ERL_INTEGER:
    case ERL_SMALL_BIG:
      ch_written += fprintf(fp, "%d", ERL_INT_VALUE(ep));
      break;
    case ERL_U_INTEGER:
    case ERL_U_SMALL_BIG:
      ch_written += fprintf(fp, "%d", ERL_INT_UVALUE(ep));
      break;
    case ERL_LONGLONG:
    case ERL_U_LONGLONG:
      ch_written += fprintf(fp, "%lld", ERL_LL_UVALUE(ep));
      break;
    case ERL_FLOAT:
      ch_written += fprintf(fp, "%f", ERL_FLOAT_VALUE(ep));
      break;
    case ERL_FUNCTION:
      ch_written += fprintf(fp, "#Fun<");
      ch_written += erl_print_term(fp, ERL_FUN_MODULE(ep));
      putc('.', fp);
      ch_written++;
      ch_written += erl_print_term(fp, ERL_FUN_INDEX(ep));
      putc('.', fp);
      ch_written++;
      ch_written += erl_print_term(fp, ERL_FUN_UNIQ(ep));
      putc('>', fp);
      ch_written++;
      break;
    default:
      ch_written = -10000;
      erl_err_msg("<ERROR> erl_print_term: Bad type of term !");
    }
  return ch_written;
}
コード例 #6
0
ファイル: erl_eterm.c プロジェクト: billysvensson/otp
int erl_sprint_term(char *buf, const ETERM *ep)
{
    int j,i,doquote;
    int ch_written = 0; /* counter of written chars */

    if ((!buf) || (!ep)) return 0;
    /* ASSERT(ep != NULL); */

    j = i = doquote = 0;
    switch(ERL_TYPE(ep)) 
    {
    case ERL_ATOM:
	/* FIXME: what if some weird locale is in use? */
	if (!islower((int)ERL_ATOM_PTR(ep)[0]))
	    doquote = 1;

	for (i = 0; !doquote && i < ERL_ATOM_SIZE(ep); i++) 
	{
	    doquote = !(isalnum((int)ERL_ATOM_PTR(ep)[i]) 
			|| (ERL_ATOM_PTR(ep)[i] == '_'));
	}

	if (doquote) {
	    *buf++ = '\'';
	    ch_written++; 
	}
	{
	    int len = ERL_ATOM_SIZE(ep);
	    strncpy(buf, ERL_ATOM_PTR(ep), len);
	    buf += len;
	    ch_written += len;	
	}
	if (doquote) {
	    *buf++ = '\'';
	    ch_written++;
	}
	break;

    case ERL_VARIABLE:
	if (!isupper((int)ERL_VAR_NAME(ep)[0])) {
	    doquote = 1;
	    *buf++ = '\'';
	    ch_written++;
	}
	len = ERL_VAR_LEN(ep);
	strncpy(buf, ERL_VAR_NAME(ep), len);
	buf += len;
	ch_written += len;
	
	if (doquote) {
	    *buf++ = '\'';
	    ch_written++;
	}
	break;

    case ERL_PID:
	len = sprintf(buf, "<%s.%d.%d>", 
		      ERL_PID_NODE(ep), 
		      ERL_PID_NUMBER(ep), ERL_PID_SERIAL(ep));
        buf += len;
        ch_written += len;
	break;
    case ERL_PORT:
	len = sprintf(buf , "#Port");
        buf += len;
        ch_written += len;
	break;
    case ERL_REF:
	len = sprintf(buf , "#Ref");
        buf += len;
        ch_written += len;
	break;
    case ERL_EMPTY_LIST:
	len = sprintf(buf , "[]");
        buf += len;
        ch_written += len;
	break;
    case ERL_LIST: 
	if (is_printable_list(ep)) {
	    ch_written += print_string(fp, ep);
	} else {
	    putc('[', fp);
	    ch_written++;
	    while (ERL_IS_CONS(ep)) {
		ch_written += erl_sprint_term(fp, HEAD(ep));
		ep = TAIL(ep);
		if (ERL_IS_CONS(ep)) {
		    putc(',', fp);
		    ch_written++;
		}
	    }
	    if (!ERL_IS_EMPTY_LIST(ep)) {
		putc('|', fp);
		ch_written++;
		ch_written += erl_sprint_term(fp, ep);
	    }
	    putc(']', fp);
	    ch_written++;
	}
	break;
    case ERL_TUPLE:
      putc('{', fp);
      ch_written++;
      for (i=0; i < ERL_TUPLE_SIZE(ep); i++) {
	ch_written += erl_sprint_term(fp, ERL_TUPLE_ELEMENT(ep, j++) );
	if (i != ERL_TUPLE_SIZE(ep)-1) {
	  putc(',', fp);
	  ch_written++;
	}
      }
      putc('}', fp);
      ch_written++;
      break;
    case ERL_BINARY:
	len = sprintf(buf , "#Bin");
        buf += len;
        ch_written += len;
	break;
    case ERL_INTEGER:
    case ERL_SMALL_BIG:
	len = sprintf(buf , "%d", ERL_INT_VALUE(ep));
        buf += len;
        ch_written += len;
	break;
    case ERL_U_INTEGER:
    case ERL_U_SMALL_BIG:
	len = sprintf(buf , "%d", ERL_INT_UVALUE(ep));
        buf += len;
        ch_written += len;
	break;
    case ERL_FLOAT:
	len = sprintf(buf , "%f", ERL_FLOAT_VALUE(ep));
        buf += len;
        ch_written += len;
	break;
    case ERL_FUNCTION:
	len = sprintf(buf , "#Fun<");
        buf += len;
        ch_written += len;
	ch_written += erl_sprint_term(fp, ERL_FUN_MODULE(ep));
	putc('.', fp);
	ch_written++;
	ch_written += erl_sprint_term(fp, ERL_FUN_INDEX(ep));
	putc('.', fp);
	ch_written++;
	ch_written += erl_sprint_term(fp, ERL_FUN_UNIQ(ep));
	putc('>', fp);
	ch_written++;
	break;
    default:
	ch_written = -10000;
	erl_err_msg("<ERROR> erl_sprint_term: Bad type of term !");
    }
    return ch_written;
}
コード例 #7
0
ファイル: erl_fake_prog.c プロジェクト: system/erlang-otp
int main(void)
#endif
{
  ei_x_buff eix;
  int index = 0;
  ETERM **etermpp = NULL, *etermp = NULL;
  char *charp = NULL;
  unsigned char uchar, **ucharpp = NULL, *ucharp = NULL;
  void *voidp = NULL;
  Erl_Heap *erl_heapp = NULL;
  int intx = 0;
  int *intp = NULL;
  unsigned int uintx, *uintp;
  unsigned long *ulongp = NULL;
  long longx = 0;
  double doublex = 0.0;
  short shortx = 42;
  FILE *filep = NULL;
  Erl_IpAddr erl_ipaddr = NULL;
  ErlMessage *erlmessagep = NULL;
  ErlConnect *erlconnectp = NULL;
  struct hostent *hostp = NULL;
  struct in_addr *inaddrp = NULL;

  /* Converion to erl_interface format is in liberl_interface */

  intx = erl_errno;

  ei_encode_term(charp, &index, voidp);
  ei_x_encode_term(&eix, voidp);
  ei_decode_term(charp, &index, voidp);

  erl_init(voidp, longx);
  erl_connect_init(intx, charp,shortx);
  erl_connect_xinit(charp,charp,charp,erl_ipaddr,charp,shortx);
  erl_connect(charp); 
  erl_xconnect(erl_ipaddr,charp);
  erl_close_connection(intx);
  erl_receive(intx, ucharp, intx);
  erl_receive_msg(intx, ucharp, intx, erlmessagep);
  erl_xreceive_msg(intx, ucharpp, intp, erlmessagep);
  erl_send(intx, etermp, etermp);
  erl_reg_send(intx, charp, etermp);
  erl_rpc(intx,charp,charp,etermp);
  erl_rpc_to(intx,charp,charp,etermp);
  erl_rpc_from(intx,intx,erlmessagep);

  erl_publish(intx);
  erl_accept(intx,erlconnectp);

  erl_thiscookie();
  erl_thisnodename();
  erl_thishostname();
  erl_thisalivename();
  erl_thiscreation();
  erl_unpublish(charp);
  erl_err_msg(charp);
  erl_err_quit(charp);
  erl_err_ret(charp);
  erl_err_sys(charp);

  erl_cons(etermp,etermp);
  erl_copy_term(etermp);
  erl_element(intx,etermp);

  erl_hd(etermp);
  erl_iolist_to_binary(etermp);
  erl_iolist_to_string(etermp);
  erl_iolist_length(etermp);
  erl_length(etermp);
  erl_mk_atom(charp);
  erl_mk_binary(charp,intx);
  erl_mk_empty_list();
  erl_mk_estring(charp, intx);
  erl_mk_float(doublex);
  erl_mk_int(intx);
  erl_mk_list(etermpp,intx);
  erl_mk_pid(charp,uintx,uintx,uchar);
  erl_mk_port(charp,uintx,uchar);
  erl_mk_ref(charp,uintx,uchar);
  erl_mk_long_ref(charp,uintx,uintx,uintx,uchar);
  erl_mk_string(charp);
  erl_mk_tuple(etermpp,intx);
  erl_mk_uint(uintx);
  erl_mk_var(charp);
  erl_print_term(filep,etermp);
  /*  erl_sprint_term(charp,etermp); */
  erl_size(etermp);
  erl_tl(etermp);
  erl_var_content(etermp, charp);

  erl_format(charp);
  erl_match(etermp, etermp);

  erl_global_names(intx, intp);
  erl_global_register(intx, charp, etermp);
  erl_global_unregister(intx, charp);
  erl_global_whereis(intx, charp, charp);

  erl_init_malloc(erl_heapp,longx);
  erl_alloc_eterm(uchar);
  erl_eterm_release();
  erl_eterm_statistics(ulongp,ulongp);
  erl_free_array(etermpp,intx);
  erl_free_term(etermp);
  erl_free_compound(etermp);
  erl_malloc(longx);
  erl_free(voidp);

  erl_compare_ext(ucharp, ucharp);
  erl_decode(ucharp);
  erl_decode_buf(ucharpp);
  erl_encode(etermp,ucharp);
  erl_encode_buf(etermp,ucharpp);
  erl_ext_size(ucharp);
  erl_ext_type(ucharp);
  erl_peek_ext(ucharp,intx);
  erl_term_len(etermp);

  erl_gethostbyname(charp);
  erl_gethostbyaddr(charp, intx, intx);
  erl_gethostbyname_r(charp, hostp, charp, intx, intp);
  erl_gethostbyaddr_r(charp, intx, intx, hostp, charp, intx, intp);

  erl_init_resolve();
  erl_distversion(intx);

  erl_epmd_connect(inaddrp);
  erl_epmd_port(inaddrp, charp, intp);

  charp  = ERL_ATOM_PTR(etermp);
  intx   = ERL_ATOM_SIZE(etermp);
  ucharp = ERL_BIN_PTR(etermp);
  intx   = ERL_BIN_SIZE(etermp);
  etermp = ERL_CONS_HEAD(etermp);
  etermp = ERL_CONS_TAIL(etermp);
  intx   = ERL_COUNT(etermp);
  doublex= ERL_FLOAT_VALUE(etermp);
  uintx  = ERL_INT_UVALUE(etermp);
  intx   = ERL_INT_VALUE(etermp);
  intx   = ERL_IS_ATOM(etermp);
  intx   = ERL_IS_BINARY(etermp);
  intx   = ERL_IS_CONS(etermp);
  intx   = ERL_IS_EMPTY_LIST(etermp);
  intx   = ERL_IS_FLOAT(etermp);
  intx   = ERL_IS_INTEGER(etermp);
  intx   = ERL_IS_LIST(etermp);
  intx   = ERL_IS_PID(etermp);
  intx   = ERL_IS_PORT(etermp);
  intx   = ERL_IS_REF(etermp);
  intx   = ERL_IS_TUPLE(etermp);
  intx   = ERL_IS_UNSIGNED_INTEGER(etermp);
  uchar  = ERL_PID_CREATION(etermp);
  charp  = ERL_PID_NODE(etermp);
  uintx  = ERL_PID_NUMBER(etermp);
  uintx  = ERL_PID_SERIAL(etermp);
  uchar  = ERL_PORT_CREATION(etermp);
  charp  = ERL_PORT_NODE(etermp);
  uintx  = ERL_PORT_NUMBER(etermp);
  uchar  = ERL_REF_CREATION(etermp);
  intx   = ERL_REF_LEN(etermp);
  charp  = ERL_REF_NODE(etermp);
  uintx  = ERL_REF_NUMBER(etermp);
  uintp  = ERL_REF_NUMBERS(etermp);
  etermp = ERL_TUPLE_ELEMENT(etermp,intx);
  intx   = ERL_TUPLE_SIZE(etermp);

  return 
      BUFSIZ +
      EAGAIN +
      EHOSTUNREACH +
      EINVAL +
      EIO +
      EMSGSIZE +
      ENOMEM +
      ERL_ATOM +
      ERL_BINARY +
      ERL_ERROR +
      ERL_EXIT +
      ERL_FLOAT +
      ERL_INTEGER +
      ERL_LINK +
      ERL_LIST +
      ERL_MSG +
      ERL_NO_TIMEOUT +
      ERL_PID +
      ERL_PORT +
      ERL_REF +
      ERL_REG_SEND +
      ERL_SEND +
      ERL_SMALL_BIG +
      ERL_TICK +
      ERL_TIMEOUT +
      ERL_TUPLE +
      ERL_UNLINK +
      ERL_U_INTEGER +
      ERL_U_SMALL_BIG +
      ERL_VARIABLE +
      ETIMEDOUT +
      MAXNODELEN +
      MAXREGLEN;
}
コード例 #8
0
ファイル: erlang.c プロジェクト: mlzboy/resys
PyObject *eterm_to_py(ETERM * obj) {
	int i;
	int count;
	ETERM *obj2;
	PyObject *eobj = NULL;

	if (obj == NULL) {
		Py_INCREF(Py_None);
		return Py_None;
	}

	switch (ERL_TYPE(obj)) {

	case ERL_CONS:
	case ERL_NIL:
		count = erl_length(obj);
		eobj = PyList_New(0);
		for (i = 0; i < count; i++) {
			obj2 = erl_hd(obj);
			PyList_Append(eobj, eterm_to_py(obj2));
			obj = erl_tl(obj);
		}
		break;
	case ERL_TUPLE:
		eobj = PyTuple_New(erl_size(obj));
		for (i = 1; i <= erl_size(obj); i++) {
			obj2 = erl_element(i, obj);
			PyTuple_SetItem(eobj, i - 1, eterm_to_py(obj2));
		}
		break;
	case ERL_ATOM:
		eobj = PyString_FromStringAndSize(ERL_ATOM_PTR(obj), ERL_ATOM_SIZE(obj));
		break;
	case ERL_INTEGER:
		eobj = PyInt_FromLong(ERL_INT_VALUE(obj));
		break;
	case ERL_BINARY:
		fprintf(stderr, "FOUND A BINARY %.*s\n", ERL_BIN_SIZE(obj), ERL_BIN_PTR(obj));
		break;
	case ERL_PID:
		eobj = PyDict_New();
		if (PyDict_SetItemString(eobj, "node", PyString_FromString(ERL_PID_NODE(obj)))) {
			PyErr_Print();
			break;
		}
		if (PyDict_SetItemString(eobj, "number", PyInt_FromLong(ERL_PID_NUMBER(obj)))) {
			PyErr_Print();
			break;
		}
		if (PyDict_SetItemString(eobj, "serial", PyInt_FromLong(ERL_PID_SERIAL(obj)))) {
			PyErr_Print();
			break;
		}
		if (PyDict_SetItemString(eobj, "creation", PyInt_FromLong(ERL_PID_CREATION(obj)))) {
			PyErr_Print();
			break;
		}
	default:
		fprintf(stderr, "UNMANAGED ETERM TYPE: %d\n", ERL_TYPE(obj));
		break;

	}

	if (eobj == NULL) {
		Py_INCREF(Py_None);
		return Py_None;
	}

	return eobj;
}