void process_call(ETERM* master_pattern, int erl_fd)
{
TRACE(("cnode called"));
ETERM* msg_frompid = erl_var_content(master_pattern, "Pid");
ETERM* msg_tuple = erl_var_content(master_pattern, "Cmd");
ETERM* response;
if (msg_frompid == NULL || msg_tuple == NULL)
{
erl_err_msg("could not get Pid or Cmd vars");
fprintf(stderr, "how do i erl_var_content lol\n");
return;
}
ETERM* init_cmd_pattern = erl_format("{init, Arg}");
if (erl_match(init_cmd_pattern, msg_tuple))
{
TRACE(("matched init command"));
process_init_cmd(init_cmd_pattern, erl_fd, msg_frompid);
}
else
{
erl_err_msg("got unknown function call.");
response = erl_format("{ecap_node, {error, {function_clause, ~w}}}", msg_tuple);
erl_send(erl_fd, msg_frompid, response);
}
TRACE(("cleaning up process call"));
erl_free_term(response);
erl_free_term(init_cmd_pattern);
//erl_free_term(msg_frompid); //this needs to be freed by the watcher, I think
erl_free_term(msg_tuple);
TRACE(("leaving process_call"));
}
int erl_setelement (int ix, ETERM *ep, ETERM *vp)
{
if ((!ep) || (!vp)) return 0;
/* ASSERT(ep != NULL);
* ASSERT(vp != NULL);
*/
if ((ERL_TYPE(ep) == ERL_TUPLE) && (ix <= ERL_TUPLE_SIZE(ep))) {
erl_free_term(ERL_TUPLE_ELEMENT(ep, ix-1));
ERL_TUPLE_ELEMENT(ep, ix-1) = vp;
ERL_COUNT(vp)++;
return 1;
}
erl_err_msg("<ERROR> erl_setelement: Bad type to setelement or out of range \n");
return 0;
}
void process_send(ErlMessage* emsg, int erl_fd)
{
ETERM* master_pattern = erl_format("{call, Pid, Cmd}");
if (erl_match(master_pattern, emsg->msg))
{
TRACE(("matched master pattern"));
process_call(master_pattern, erl_fd);
}
else
{
erl_err_msg("could not match the master pattern.");
}
TRACE(("leaving process_send"));
erl_free_term(master_pattern);
}
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;
}
/*
* FIXME: Deep (the whole tree) or shallow (just the top term) copy?
* The documentation never says, but the code as written below will
* make a deep copy. This should be documented.
*/
ETERM *erl_copy_term(const ETERM *ep)
{
int i;
ETERM *cp;
if (!ep) return NULL;
/* ASSERT(ep != NULL); */
cp = erl_alloc_eterm(ERL_TYPE(ep));
ERL_COUNT(cp) = 1;
switch(ERL_TYPE(cp)) {
case ERL_INTEGER:
case ERL_SMALL_BIG:
ERL_INT_VALUE(cp) = ERL_INT_VALUE(ep);
break;
case ERL_U_INTEGER:
case ERL_U_SMALL_BIG:
ERL_INT_UVALUE(cp) = ERL_INT_UVALUE(ep);
break;
case ERL_LONGLONG:
ERL_LL_VALUE(cp) = ERL_LL_VALUE(ep);
break;
case ERL_U_LONGLONG:
ERL_LL_UVALUE(cp) = ERL_LL_UVALUE(ep);
break;
case ERL_FLOAT:
ERL_FLOAT_VALUE(cp) = ERL_FLOAT_VALUE(ep);
break;
case ERL_ATOM:
if (!erl_atom_copy(&cp->uval.aval.d, &ep->uval.aval.d))
{
erl_free_term(cp);
erl_errno = ENOMEM;
return NULL;
}
break;
case ERL_PID:
/* FIXME: First copy the bit pattern, then duplicate the node
name and plug in. Somewhat ugly (also done with port and
ref below). */
memcpy(&cp->uval.pidval, &ep->uval.pidval, sizeof(Erl_Pid));
erl_atom_copy(&cp->uval.pidval.node, &ep->uval.pidval.node);
ERL_COUNT(cp) = 1;
break;
case ERL_PORT:
memcpy(&cp->uval.portval, &ep->uval.portval, sizeof(Erl_Port));
erl_atom_copy(&cp->uval.portval.node, &ep->uval.portval.node);
ERL_COUNT(cp) = 1;
break;
case ERL_REF:
memcpy(&cp->uval.refval, &ep->uval.refval, sizeof(Erl_Ref));
erl_atom_copy(&cp->uval.refval.node, &ep->uval.refval.node);
ERL_COUNT(cp) = 1;
break;
case ERL_LIST:
HEAD(cp) = erl_copy_term(HEAD(ep));
TAIL(cp) = erl_copy_term(TAIL(ep));
break;
case ERL_EMPTY_LIST:
break;
case ERL_TUPLE:
i = ERL_TUPLE_SIZE(cp) = ERL_TUPLE_SIZE(ep);
ERL_TUPLE_ELEMS(cp) = (ETERM**) erl_malloc(i * sizeof(ETERM*));
for(i=0; i < ERL_TUPLE_SIZE(ep); i++)
ERL_TUPLE_ELEMENT(cp,i) = erl_copy_term(ERL_TUPLE_ELEMENT(ep, i));
break;
case ERL_BINARY:
ERL_BIN_SIZE(cp) = ERL_BIN_SIZE(ep);
ERL_BIN_PTR(cp) = (unsigned char *) erl_malloc(ERL_BIN_SIZE(ep));
memcpy(ERL_BIN_PTR(cp), ERL_BIN_PTR(ep), ERL_BIN_SIZE(ep));
break;
case ERL_FUNCTION:
i = ERL_CLOSURE_SIZE(cp) = ERL_CLOSURE_SIZE(ep);
ERL_FUN_ARITY(cp) = ERL_FUN_ARITY(ep);
ERL_FUN_NEW_INDEX(cp) = ERL_FUN_NEW_INDEX(ep);
ERL_FUN_INDEX(cp) = erl_copy_term(ERL_FUN_INDEX(ep));
ERL_FUN_UNIQ(cp) = erl_copy_term(ERL_FUN_UNIQ(ep));
ERL_FUN_CREATOR(cp) = erl_copy_term(ERL_FUN_CREATOR(ep));
ERL_FUN_MODULE(cp) = erl_copy_term(ERL_FUN_MODULE(ep));
memcpy(ERL_FUN_MD5(cp), ERL_FUN_MD5(ep), sizeof(ERL_FUN_MD5(ep)));
ERL_CLOSURE(cp) = (ETERM**) erl_malloc(i * sizeof(ETERM*));
for(i=0; i < ERL_CLOSURE_SIZE(ep); i++)
ERL_CLOSURE_ELEMENT(cp,i) =
erl_copy_term(ERL_CLOSURE_ELEMENT(ep, i));
break;
default:
erl_err_msg("<ERROR> erl_copy_term: wrong type encountered !");
erl_free_term(cp);
return (ETERM *) NULL;
}
return cp;
}
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;
}
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;
}
void process_init_cmd(ETERM* init_cmd_pattern, int erl_fd, ETERM* msg_frompid)
{
fprintf(stderr, "process_init_cmd got PID "); erl_print_term(stderr, msg_frompid); fprintf(stderr, "\n");
ETERM* response;
ETERM* msg_arg = erl_var_content(init_cmd_pattern, "Arg");
if (!ERL_IS_LIST(msg_arg))
{
erl_err_msg("invalid argument to init command");
response = erl_format("{ecap_node, {error, {badarg, {init, ~w} } } }", msg_arg);
erl_send(erl_fd, msg_frompid, response);
goto invarg_cleanup;
}
char* fn_str = erl_iolist_to_string(msg_arg);
if (fn_str == NULL)
{
erl_err_msg("could not unpack string");
response = erl_format("{ecap_node, {error, {badarg, {init, ~w}}}}", msg_arg);
erl_send(erl_fd, msg_frompid, response);
goto nostr_cleanup;
}
TRACE(("init command got argstring: %s", fn_str));
pthread_t* thread = (pthread_t*)malloc(sizeof(pthread_t));
info_t* threadinfo = (info_t*)malloc(sizeof(info_t));
// We copy all of this data because the transient pointers will be free()d
// just before each function returns, destroying in the thread context.
threadinfo->topid = msg_frompid;
threadinfo->self = thread;
threadinfo->fname = (char*)malloc(strlen(fn_str)+1);
strncpy(threadinfo->fname, fn_str, strlen(fn_str)+1);
threadinfo->erlvm_fd = erl_fd;
int ret;
if ((ret = pthread_create(thread, NULL, watcher, threadinfo)) != 0)
{
TRACE(("failed to create thread, with return code %d", ret));
erl_err_ret("failed to create watcher thread");
response = erl_format("{ecap_node, {error, {threadfail}}}");
erl_send(erl_fd, msg_frompid, response);
TRACE(("freeing thread stuff"));
free(thread);
free(threadinfo->fname);
free(threadinfo);
goto nothread_cleanup;
}
response = erl_format("{ecap_node, ok}");
erl_send(erl_fd, msg_frompid, response);
TRACE(("normal cleanup from init command call"));
nothread_cleanup:
nostr_cleanup:
TRACE(("freeing fn_str"));
erl_free(fn_str);
invarg_cleanup:
TRACE(("freeing terms"));
erl_free_term(response);
erl_free_term(msg_arg);
TRACE(("done with init command processing"));
}
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;
}
PyObject *py_erlang_rpc(PyObject * self, PyObject * args) {
int fd, timeout = uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT];
char *emod, *efun;
PyObject *eargs, *pyer = NULL;
ETERM *pyargs, *rex;
ErlMessage emsg;
int eret;
if (!PyArg_ParseTuple(args, "issO|i:erlang_rpc", &fd, &emod, &efun, &eargs, &timeout)) {
return NULL;
}
if (fd < 0) {
goto clear;
}
pyargs = py_to_eterm(eargs);
if (!pyargs) {
goto clear;
}
if (erl_rpc_to(fd, emod, efun, pyargs)) {
erl_err_msg("erl_rpc_to()");
goto clear2;
}
cycle:
memset(&emsg, 0, sizeof(ErlMessage));
UWSGI_SET_BLOCKING;
eret = erl_rpc_from(fd, timeout * 1000, &emsg);
if (eret == ERL_TICK) {
goto cycle;
}
else if (eret == ERL_MSG) {
if (emsg.msg) {
if (ERL_IS_TUPLE(emsg.msg)) {
rex = erl_element(1, emsg.msg);
if (!rex) {
goto clear2;
}
if (!strncmp("rex", ERL_ATOM_PTR(rex), ERL_ATOM_SIZE(rex))) {
erl_free_term(rex);
rex = erl_element(2, emsg.msg);
if (!rex) {
goto clear2;
}
pyer = eterm_to_py(rex);
erl_free_term(rex);
}
else {
erl_free_term(rex);
}
}
}
if (emsg.msg) {
erl_free_compound(emsg.msg);
}
if (emsg.to) {
erl_free_compound(emsg.to);
}
if (emsg.from) {
erl_free_compound(emsg.from);
}
if (!pyer) {
goto clear2;
}
erl_free_compound(pyargs);
UWSGI_UNSET_BLOCKING;
return pyer;
}
else {
erl_err_msg("erl_rpc_from()");
}
clear2:
UWSGI_UNSET_BLOCKING;
erl_free_compound(pyargs);
clear:
Py_INCREF(Py_None);
return Py_None;
}
