Пример #1
0
static int callback(void *notUsed, int argc, char **argv, char **azColName) 
{
  ETERM **record_list;
  int i;

  if (result == 0) {
    result = erl_mk_empty_list();
  }

  record_list = malloc(argc * sizeof(ETERM *));
  
  fprintf(log, "runs %d\n", argc);
  for (i = 0; i < argc; i++) {
    fprintf(log, "%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL");
    if (argv[i]) {
      record_list[i] = erl_mk_string(argv[i]);
    }
    else {
      record_list[i] = erl_mk_empty_list();
    }
  }
  fprintf(log, "\n");
  fflush(log);

  result = erl_cons(erl_mk_tuple(record_list, argc), result);

  free(record_list);
  return 0;
}
Пример #2
0
void local_add_watch(ETERM* args)
{
  ETERM *pathp = erl_element(1, args);
  int pathLength = ERL_BIN_SIZE(pathp);
  char *path = ERL_BIN_PTR(pathp);

  ETERM *notifyFilterp = erl_element(2, args);
  unsigned int notifyFilter_ui = ERL_INT_UVALUE(notifyFilterp);
  long notifyFilter = (long)notifyFilter_ui;

  ETERM *watchSubdirsp = erl_element(3, args);
  int watchSubdirs = ERL_INT_VALUE(watchSubdirsp);

  int watchID = eNotify_addWatch(path, pathLength, notifyFilter, watchSubdirs);

  // Prepare response
  ETERM *tuplep;
  ETERM *tupleArray[2];

  if (watchID < 0)
  {
	  long errorCode = (long)(-watchID);
	  char errorDesc[1024];
	  eNotify_getErrorDesc(errorCode, errorDesc, 1024);
	  tupleArray[0] = erl_mk_atom("error");
	  tupleArray[1] = erl_mk_string(errorDesc);
  }
  else if (0 == watchID)
  {
	  // this may happen if there's a problem converting
	  // a path from utf8 to UTF16
	  tupleArray[0] = erl_mk_atom("error");
	  tupleArray[1] = erl_mk_string("internal_error");
  }
  else
  {
	  tupleArray[0] = erl_mk_atom("ok");
	  tupleArray[1] = erl_mk_int(watchID);
  }

  char buf[1024];
  tuplep = erl_mk_tuple(tupleArray, 2);
  erl_encode(tuplep, buf);
  write_cmd(buf, erl_term_len(tuplep));

  erl_free_array(tupleArray, 2); // free contents from tupleArray
}
Пример #3
0
void local_get_error_desc(ETERM* args)
{
  byte buf[100];
  ETERM *resp;
  ETERM *errorCodep = erl_element(1, args);
  long errorCode = (long)ERL_INT_VALUE(errorCodep);

  char errorDesc[1024];
  eNotify_getErrorDesc(errorCode, errorDesc, 1024);

  // Build response
  resp = erl_mk_string(errorDesc); // alloc resp
  erl_encode(resp, buf);
  write_cmd(buf, erl_term_len(resp));
  erl_free_term(resp); // free resp
}
Пример #4
0
void send_error(char *err_msg) 
{
  ETERM *tup_list[2];
  ETERM *to_send;
	
  tup_list[0] = erl_mk_atom("sql_error");
  tup_list[1] = erl_mk_string(err_msg);
  to_send = erl_mk_tuple(tup_list, 2);

  fprintf(log, "SQL Error: %s\n", err_msg);
  respond(to_send);

  erl_free_term(tup_list[0]);
  erl_free_term(tup_list[1]);
  erl_free_compound(to_send);
}
Пример #5
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
}
Пример #6
0
ETERM *
make_cols()
{
  ETERM **cols, *rc;
  unsigned int i;

  cols = (ETERM **)safe_malloc(numfields * sizeof(ETERM *));
  for (i = 0; i < numfields; i++)
    cols[i] = erl_mk_string(fields[i].name);

  rc = erl_mk_list(cols, numfields);

  for (i = 0; i < numfields; i++)
    erl_free_term(cols[i]);
  free(cols);

  return rc;
}
Пример #7
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;
}