response_t queue_list(q_data_t **q_data) {
int temp = 0, i;
response_t r;
ETERM **list;
for(i = 0; i < MAX_Q_NUMS; i++)
if(q_data[i]->q_num >=0) temp++;
r.cs = erl_mk_atom("ok");
if(temp > 0 && (list = calloc(temp, sizeof(ETERM *))) != NULL) {
temp = 0;
for(i = 0; i < MAX_Q_NUMS; i++) {
if(q_data[i]->q_num >= 0 ) {
list[temp] = erl_mk_int(q_data[i]->q_num);
temp++;
}
}
r.rsp = erl_mk_list(list, temp);
for(i = 0; i < temp; i++)
erl_free_term(list[i]);
free(list);
} else {
r.rsp = erl_mk_empty_list();
}
return r;
}
int main() {
ETERM *tuplep, *intp;
ETERM *fnp, *argp;
int res;
byte buf[100];
long allocated, freed;
erl_init(NULL, 0);
while (read_cmd(buf) > 0) {
tuplep = erl_decode(buf);
fnp = erl_element(1, tuplep);
argp = erl_element(2, tuplep);
if (strncmp(ERL_ATOM_PTR(fnp), "foo", 3) == 0) {
res = foo(ERL_INT_VALUE(argp));
} else if (strncmp(ERL_ATOM_PTR(fnp), "bar", 17) == 0) {
res = bar(ERL_INT_VALUE(argp));
}
intp = erl_mk_int(res);
erl_encode(intp, buf);
write_cmd(buf, erl_term_len(intp));
erl_free_compound(tuplep);
erl_free_term(fnp);
erl_free_term(argp);
erl_free_term(intp);
}
}
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
}
void eNotifyCallback(int watchID, int action, const void* rootPath, int rootPathLength, const void* filePath, int filePathLength)
{
// MAX_FILE_PATHNAME_LENGTH * 2 because we are passing 2 paths
byte buf[MAX_FILE_PATHNAME_LENGTH*2];
ETERM *tuplep;
// Build response
ETERM *tupleArray[4];
tupleArray[0] = erl_mk_int(watchID);
tupleArray[1] = erl_mk_int(action);
tupleArray[2] = erl_mk_binary(rootPath, rootPathLength);
tupleArray[3] = erl_mk_binary(filePath, filePathLength);
tuplep = erl_mk_tuple(tupleArray, 4);
erl_encode(tuplep, buf);
write_cmd(buf, erl_term_len(tuplep));
// free contents from tupleArray
erl_free_array(tupleArray, 4);
}
static cpBool
handle_collision(cpArbiter *arbiter, cpSpace *space, cpDataPointer user_data)
{
CP_ARBITER_GET_BODIES(arbiter, b1, b2);
erlmunk_subscriber *subscriber = (erlmunk_subscriber *) user_data;
erlmunk_body_data *data1 = cpBodyGetUserData(b1);
erlmunk_body_data *data2 = cpBodyGetUserData(b2);
// DEBUGF(("collision detected between %d and %d\n", data1->id, data2->id));
ETERM **data1_array = (ETERM **) malloc(sizeof(ETERM) * 2);
data1_array[0] = erl_mk_int(data1->id);
data1_array[1] = data1->term;
ETERM *data1_term = erl_mk_tuple(data1_array, 2);
free(data1_array);
ETERM **data2_array = (ETERM **) malloc(sizeof(ETERM) * 2);
data2_array[0] = erl_mk_int(data2->id);
data2_array[1] = data2->term;
ETERM *data2_term = erl_mk_tuple(data2_array, 2);
free(data2_array);
ETERM *a = erl_mk_atom("erlmunk_collision");
ETERM **data_array = (ETERM **) malloc(sizeof(ETERM) * 3);
data_array[0] = a;
data_array[1] = data1_term;
data_array[2] = data2_term;
ETERM *data = erl_mk_tuple(data_array, 3);
free(data_array);
ETERM *gen_cast = erl_mk_gen_cast(data);
if (erl_send(subscriber->client->fd, subscriber->from, gen_cast) != 1) {
DEBUGF(("failed to send data to subscriber"));
}
return cpFalse;
}
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
}
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;
}
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;
}
