Example #1
0
static ETERM*
all_types(void)
{
    ETERM* t;
    ETERM* terms[3];
    int i;
    static char a_binary[] = "A binary";

#define CONS_AND_FREE(expr, tail) \
  do { \
    ETERM* term = expr; \
    ETERM* nl = erl_cons(term, tail); \
    erl_free_term(term); \
    erl_free_term(tail); \
    tail = nl; \
  } while (0)

    t = erl_mk_empty_list();

    CONS_AND_FREE(erl_mk_atom("I am an atom"), t);
    CONS_AND_FREE(erl_mk_binary("A binary", sizeof(a_binary)-1), t);
    CONS_AND_FREE(erl_mk_float(3.0), t);
    CONS_AND_FREE(erl_mk_int(0), t);
    CONS_AND_FREE(erl_mk_int(-1), t);
    CONS_AND_FREE(erl_mk_int(1), t);

    CONS_AND_FREE(erl_mk_string("A string"), t);

    terms[0] = erl_mk_atom("element1");
    terms[1] = erl_mk_int(42);
    terms[2] = erl_mk_int(767);
    CONS_AND_FREE(erl_mk_tuple(terms, ASIZE(terms)), t);
    for (i = 0; i < ASIZE(terms); i++) {
	erl_free_term(terms[i]);
    }

    CONS_AND_FREE(erl_mk_pid("kalle@localhost", 3, 2, 1), t);
    CONS_AND_FREE(erl_mk_pid("abcdefghijabcdefghij@localhost", 3, 2, 1), t);
    CONS_AND_FREE(erl_mk_port("kalle@localhost", 4, 1), t);
    CONS_AND_FREE(erl_mk_port("abcdefghijabcdefghij@localhost", 4, 1), t);
    CONS_AND_FREE(erl_mk_ref("kalle@localhost", 6, 1), t);
    CONS_AND_FREE(erl_mk_ref("abcdefghijabcdefghij@localhost", 6, 1), t);
    return t;

#undef CONS_AND_FREE
}
Example #2
0
static int erl_do_receive_msg(int fd, ei_x_buff* x, ErlMessage* emsg)
{
    erlang_msg msg;

    int r;
    msg.from.node[0] = msg.to.node[0] = msg.toname[0] = '\0';
    r = ei_do_receive_msg(fd, 0, &msg, x, 0);

    if (r == ERL_MSG) {
	int index = 0;
	emsg->type = msg.msgtype;

	/*
	  We can't call ei_decode_term for cases where there are no
	  data following the type information. If there are other
	  types added later where there are data this case has to be
	  extended.
	*/

	switch (msg.msgtype) {
	case ERL_SEND:
	case ERL_REG_SEND:
	case ERL_EXIT:
	case ERL_EXIT2:
	  if (ei_decode_term(x->buff, &index, &emsg->msg) < 0)
	    r = ERL_ERROR;
	  break;
	default:
	  emsg->msg = NULL;	/* Not needed but may avoid problems for unsafe caller  */
	  break;
	}
    } else
	emsg->msg = NULL;
    if (msg.from.node[0] != '\0')
	emsg->from = erl_mk_pid(msg.from.node, msg.from.num, msg.from.serial, msg.from.creation);
    else
	emsg->from = NULL;
    if (msg.to.node[0] != '\0')
	emsg->to = erl_mk_pid(msg.to.node, msg.to.num, msg.to.serial, msg.to.creation);
    else
	emsg->to = NULL;
    strcpy(emsg->to_name, msg.toname);
    return r;
}
Example #3
0
static VALUE erlix_pid_init(VALUE self,VALUE econn){
    ErlixTerm* pid;
    ErlixConnection* conn;
    if(erlix_node==NULL){
        rb_raise(rb_eException,"call Erlix::Node.init(name,cookie) first please!");
        return Qnil;
    }

    if((TYPE(econn)!=T_DATA || RDATA(econn)->dfree!=(RUBY_DATA_FUNC)free_erlix_connection)){
        rb_raise(rb_eTypeError,"the argument is not an Erlix::Connection");
    }
    Data_Get_Struct(self,ErlixTerm,pid);
    Data_Get_Struct(econn,ErlixConnection,conn);
    pid->term=erl_mk_pid(erl_thisnodename(),conn->sock_fd,rand()%16,erl_thiscreation());
    return self;
}
Example #4
0
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;
}
Example #5
0
PyObject *py_erlang_send_message(PyObject * self, PyObject * args) {

	ETERM *pymessage;
	ETERM *pid;
	int erfd;
	PyObject *ermessage, *erdest, *zero;

	int er_number, er_serial, er_creation;
	char *er_node;

	if (!PyArg_ParseTuple(args, "iOO|i:erlang_send_message", &erfd, &erdest, &ermessage)) {
		return NULL;
	}

	if (erfd < 0) {
		goto clear;
	}

	if (!PyString_Check(erdest) && !PyDict_Check(erdest)) {
		goto clear;
	}

	pymessage = py_to_eterm(ermessage);
	if (!pymessage) {
		goto clear;
	}


	if (PyString_Check(erdest)) {
		if (!erl_reg_send(erfd, PyString_AsString(erdest), pymessage)) {
			erl_err_msg("erl_reg_send()");
			goto clear2;
		}
	}
	else if (PyDict_Check(erdest)) {
		zero = PyDict_GetItemString(erdest, "node");
		if (!zero) {
			goto clear2;
		}
		if (!PyString_Check(zero)) {
			goto clear2;
		}
		er_node = PyString_AsString(zero);

		zero = PyDict_GetItemString(erdest, "number");
		if (!zero) {
			goto clear2;
		}
		if (!PyInt_Check(zero)) {
			goto clear2;
		}
		er_number = PyInt_AsLong(zero);

		zero = PyDict_GetItemString(erdest, "serial");
		if (!zero) {
			goto clear2;
		}
		if (!PyInt_Check(zero)) {
			goto clear2;
		}
		er_serial = PyInt_AsLong(zero);

		zero = PyDict_GetItemString(erdest, "creation");
		if (!zero) {
			goto clear2;
		}
		if (!PyInt_Check(zero)) {
			goto clear2;
		}
		er_creation = PyInt_AsLong(zero);

		pid = erl_mk_pid((const char *) er_node, er_number, er_serial, er_creation);

		if (!pid) {
			goto clear2;
		}

		if (!erl_send(erfd, pid, pymessage)) {
			erl_err_msg("erl_send()");
			erl_free_term(pid);
			goto clear2;
		}

		erl_free_term(pid);
	}
	else {
		goto clear;
	}

	erl_free_compound(pymessage);

	Py_INCREF(Py_True);
	return Py_True;

      clear2:
	erl_free_compound(pymessage);
      clear:
	PyErr_Print();
	Py_INCREF(Py_None);
	return Py_None;
}
Example #6
0
ETERM *py_to_eterm(PyObject * pobj) {
	int i;
	int count;
	PyObject *pobj2;
	ETERM *eobj = NULL;
	ETERM *eobj2 = NULL;
	ETERM **eobj3;

	if (pobj == NULL) {
		return erl_mk_empty_list();
	}

	if (PyString_Check(pobj)) {
		eobj = erl_mk_atom(PyString_AsString(pobj));
	}
	else if (PyInt_Check(pobj)) {
		eobj = erl_mk_int(PyInt_AsLong(pobj));
	}
	else if (PyList_Check(pobj)) {
		eobj = erl_mk_empty_list();
		for (i = PyList_Size(pobj) - 1; i >= 0; i--) {
			pobj2 = PyList_GetItem(pobj, i);
			eobj2 = py_to_eterm(pobj2);
			eobj = erl_cons(eobj2, eobj);
		}
	}
	else if (PyDict_Check(pobj)) {
		// a pid
		char *er_node;
		int er_number, er_serial, er_creation;
		pobj2 = PyDict_GetItemString(pobj, "node");
		if (!pobj2) {
			PyErr_Print();
			goto clear;
		}
		if (!PyString_Check(pobj2)) {
			goto clear;
		}
		er_node = PyString_AsString(pobj2);

		pobj2 = PyDict_GetItemString(pobj, "number");
		if (!pobj2) {
			PyErr_Print();
			goto clear;
		}
		if (!PyInt_Check(pobj2)) {
			goto clear;
		}
		er_number = PyInt_AsLong(pobj2);

		pobj2 = PyDict_GetItemString(pobj, "serial");
		if (!pobj2) {
			PyErr_Print();
			goto clear;
		}
		if (!PyInt_Check(pobj2)) {
			goto clear;
		}
		er_serial = PyInt_AsLong(pobj2);

		pobj2 = PyDict_GetItemString(pobj, "creation");
		if (!pobj2) {
			PyErr_Print();
			goto clear;
		}
		if (!PyInt_Check(pobj2)) {
			goto clear;
		}
		er_creation = PyInt_AsLong(pobj2);

		eobj = erl_mk_pid(er_node, er_number, er_serial, er_creation);
	}
	else if (PyTuple_Check(pobj)) {
		count = PyTuple_Size(pobj);
		eobj3 = malloc(sizeof(ETERM *) * count);
		for (i = 0; i < count; i++) {
			pobj2 = PyTuple_GetItem(pobj, i);
			if (!pobj2) {
				break;
			}
			eobj3[i] = py_to_eterm(pobj2);
		}
		eobj = erl_mk_tuple(eobj3, count);
		free(eobj3);
	}
	else {
		fprintf(stderr, "UNMANAGED PYTHON TYPE: %s\n", pobj->ob_type->tp_name);
	}

      clear:
	if (eobj == NULL) {
		return erl_mk_empty_list();
	}

	return eobj;
}