static void xputc(char c, FILE* fp, ei_x_buff* x)
{
if (fp != NULL)
putc(c, fp);
else
ei_x_append_buf(x, &c, 1);
}
/*
* Now returns non-negative number for success, negative for failure.
*/
int ei_rpc_to(ei_cnode *ec, int fd, char *mod, char *fun,
const char *buf, int len)
{
ei_x_buff x;
erlang_pid *self = ei_self(ec);
self->num = fd;
/* encode header */
ei_x_new_with_version(&x);
ei_x_encode_tuple_header(&x, 2); /* A */
self->num = fd;
ei_x_encode_pid(&x, self); /* A 1 */
ei_x_encode_tuple_header(&x, 5); /* B A 2 */
ei_x_encode_atom(&x, "call"); /* B 1 */
ei_x_encode_atom(&x, mod); /* B 2 */
ei_x_encode_atom(&x, fun); /* B 3 */
ei_x_append_buf(&x, buf, len); /* B 4 */
ei_x_encode_atom(&x, "user"); /* B 5 */
/* ei_x_encode_atom(&x,"user"); */
ei_send_reg_encoded(fd, self, "rex", x.buff, x.index);
ei_x_free(&x);
return 0;
} /* rpc_to */
static void xputs(const char* s, FILE* fp, ei_x_buff* x)
{
if (fp != NULL)
fputs(s, fp);
else
ei_x_append_buf(x, s, strlen(s));
}
static int xprintf(FILE* fp, ei_x_buff* x, const char* fmt, ...)
{
int r = 0;
va_list ap;
va_start(ap, fmt);
if (fp != NULL) {
r = vfprintf(fp, fmt, ap);
} else {
/* FIXME always enough in buffer??? */
char tmpbuf[2000];
r = vsprintf(tmpbuf, fmt, ap);
ei_x_append_buf(x, tmpbuf, strlen(tmpbuf));
}
va_end(ap);
return r;
}
int ei_s_print_term(char** s, const char* buf, int* index)
{
int r;
ei_x_buff x;
if (*s != NULL) {
x.buff = *s;
x.index = 0;
x.buffsz = BUFSIZ;
} else {
ei_x_new(&x);
}
r = print_term(NULL, &x, buf, index);
ei_x_append_buf(&x, "", 1); /* append '\0' */
*s = x.buff;
return r;
}
static void cmd_ei_send(char* buf, int len)
{
int index = 0;
long fd;
erlang_pid pid;
ei_x_buff x;
if (ei_decode_long(buf, &index, &fd) < 0)
fail("expected long");
if (ei_decode_pid(buf, &index, &pid) < 0)
fail("expected pid (node)");
if (ei_x_new_with_version(&x) < 0)
fail("ei_x_new_with_version");
if (ei_x_append_buf(&x, &buf[index], len - index) < 0)
fail("append");
send_errno_result(ei_send(fd, &pid, x.buff, x.index));
ei_x_free(&x);
}
static void cmd_ei_reg_send(char* buf, int len)
{
int index = 0;
long fd;
char reg_name[MAXATOMLEN];
erlang_pid pid;
ei_x_buff x;
if (ei_decode_long(buf, &index, &fd) < 0)
fail("expected long (fd)");
if (ei_decode_atom(buf, &index, reg_name) < 0)
fail("expected atom (reg name)");
if (ei_x_new_with_version(&x) < 0)
fail("ei_x_new_with_version");
if (ei_x_append_buf(&x, &buf[index], len - index) < 0)
fail("append");
send_errno_result(ei_reg_send(&ec, fd,
reg_name, x.buff, x.index));
ei_x_free(&x);
}
static ErlDrvSSizeT
do_call(ErlDrvData drv_data, unsigned int command, char *buf,
ErlDrvSizeT len, char **rbuf, ErlDrvSizeT rlen, unsigned *ret_flags)
{
int nlen;
ei_x_buff x;
switch (command) {
case 0:
*rbuf = buf;
*ret_flags |= DRIVER_CALL_KEEP_BUFFER;
return len;
case 1:
ei_x_new(&x);
ei_x_format(&x, "{[], a, [], b, c}");
nlen = x.index;
if (nlen > rlen) {
*rbuf =driver_alloc(nlen);
}
memcpy(*rbuf,x.buff,nlen);
ei_x_free(&x);
return nlen;
case 2:
ei_x_new(&x);
ei_x_encode_version(&x);
ei_x_encode_tuple_header(&x,2);
ei_x_encode_atom(&x,"return");
ei_x_append_buf(&x,buf+1,len-1);
nlen = x.index;
if (nlen > rlen) {
*rbuf =driver_alloc(nlen);
}
memcpy(*rbuf,x.buff,nlen);
ei_x_free(&x);
return nlen;
default:
return -1;
}
}
int main(void)
#endif
{
ErlConnect conp;
Erl_IpAddr thisipaddr = (Erl_IpAddr)0;
FILE *fp = (FILE *)0;
char* charp = "foo";
double *doublep = NULL;
double doublex = 0.0;
ei_cnode xec;
ei_reg *ei_regp = NULL;
ei_term eterm;
ei_x_buff eix;
erlang_big *bigp = NULL;
erlang_fun efun;
erlang_msg *msgp = NULL;
erlang_msg emsg;
erlang_pid *pidp = NULL;
erlang_pid epid;
erlang_port eport;
erlang_ref eref;
erlang_trace etrace;
int *intp = NULL;
int intx = 0;
long *longp = NULL;
long longx = 0;
short creation = 0;
struct ei_reg_stat *ei_reg_statp = NULL;
struct ei_reg_tabstat *ei_reg_tabstatp = NULL;
struct hostent *hostp = NULL;
unsigned char * ucharp = (unsigned char *)"foo";
unsigned long *ulongp = NULL;
unsigned long ulongx = 0;
void *voidp = NULL;
#ifndef VXWORKS
EI_LONGLONG *longlongp = (EI_LONGLONG*)NULL;
EI_LONGLONG longlongx = 0;
EI_ULONGLONG *ulonglongp = (EI_ULONGLONG*)NULL;
EI_ULONGLONG ulonglongx = 0;
#endif
enum erlang_char_encoding enc;
intx = erl_errno;
ei_connect_init(&xec, charp, charp, creation);
ei_connect_xinit (&xec, charp, charp, charp, thisipaddr, charp, creation);
ei_connect(&xec, charp);
ei_xconnect (&xec, thisipaddr, charp);
ei_receive(intx, ucharp, intx);
ei_receive_msg(intx, &emsg, &eix);
ei_xreceive_msg(intx, &emsg, &eix);
ei_send(intx, &epid, charp, intx);
ei_reg_send(&xec, intx, charp, charp, intx);
ei_rpc(&xec, intx, charp, charp, charp, intx, &eix);
ei_rpc_to(&xec, intx, charp, charp, charp, intx);
ei_rpc_from(&xec, intx, intx, &emsg, &eix);
ei_publish(&xec, intx);
ei_accept(&xec, intx, &conp);
ei_unpublish(&xec);
ei_thisnodename(&xec);
ei_thishostname(&xec);
ei_thisalivename(&xec);
ei_self(&xec);
ei_gethostbyname(charp);
ei_gethostbyaddr(charp, intx, intx);
ei_gethostbyname_r(charp, hostp, charp, intx, intp);
ei_gethostbyaddr_r(charp, intx, intx, hostp, charp, intx, intp);
ei_encode_version(charp, intp);
ei_x_encode_version(&eix);
ei_encode_long(charp, intp, longx);
ei_x_encode_long(&eix, longx);
ei_encode_ulong(charp, intp, ulongx);
ei_x_encode_ulong(&eix, ulongx);
ei_encode_double(charp, intp, doublex);
ei_x_encode_double(&eix, doublex);
ei_encode_boolean(charp, intp, intx);
ei_x_encode_boolean(&eix, intx);
ei_encode_char(charp, intp, 'a');
ei_x_encode_char(&eix, 'a');
ei_encode_string(charp, intp, charp);
ei_encode_string_len(charp, intp, charp, intx);
ei_x_encode_string(&eix, charp);
ei_x_encode_string_len(&eix, charp, intx);
ei_encode_atom(charp, intp, charp);
ei_encode_atom_as(charp, intp, charp, ERLANG_LATIN1, ERLANG_UTF8);
ei_encode_atom_len(charp, intp, charp, intx);
ei_encode_atom_len_as(charp, intp, charp, intx, ERLANG_ASCII, ERLANG_LATIN1);
ei_x_encode_atom(&eix, charp);
ei_x_encode_atom_as(&eix, charp, ERLANG_LATIN1, ERLANG_UTF8);
ei_x_encode_atom_len(&eix, charp, intx);
ei_x_encode_atom_len_as(&eix, charp, intx, ERLANG_LATIN1, ERLANG_UTF8);
ei_encode_binary(charp, intp, (void *)0, longx);
ei_x_encode_binary(&eix, (void*)0, intx);
ei_encode_pid(charp, intp, &epid);
ei_x_encode_pid(&eix, &epid);
ei_encode_fun(charp, intp, &efun);
ei_x_encode_fun(&eix, &efun);
ei_encode_port(charp, intp, &eport);
ei_x_encode_port(&eix, &eport);
ei_encode_ref(charp, intp, &eref);
ei_x_encode_ref(&eix, &eref);
ei_encode_trace(charp, intp, &etrace);
ei_x_encode_trace(&eix, &etrace);
ei_encode_tuple_header(charp, intp, intx);
ei_x_encode_tuple_header(&eix, longx);
ei_encode_list_header(charp, intp, intx);
ei_x_encode_list_header(&eix, longx);
/* #define ei_encode_empty_list(buf,i) ei_encode_list_header(buf,i,0) */
ei_x_encode_empty_list(&eix);
ei_get_type(charp, intp, intp, intp);
ei_get_type_internal(charp, intp, intp, intp);
ei_decode_version(charp, intp, intp);
ei_decode_long(charp, intp, longp);
ei_decode_ulong(charp, intp, ulongp);
ei_decode_double(charp, intp, doublep);
ei_decode_boolean(charp, intp, intp);
ei_decode_char(charp, intp, charp);
ei_decode_string(charp, intp, charp);
ei_decode_atom(charp, intp, charp);
ei_decode_atom_as(charp, intp, charp, MAXATOMLEN_UTF8, ERLANG_WHATEVER, &enc, &enc);
ei_decode_binary(charp, intp, (void *)0, longp);
ei_decode_fun(charp, intp, &efun);
free_fun(&efun);
ei_decode_pid(charp, intp, &epid);
ei_decode_port(charp, intp, &eport);
ei_decode_ref(charp, intp, &eref);
ei_decode_trace(charp, intp, &etrace);
ei_decode_tuple_header(charp, intp, intp);
ei_decode_list_header(charp, intp, intp);
ei_decode_ei_term(charp, intp, &eterm);
ei_print_term(fp, charp, intp);
ei_s_print_term(&charp, charp, intp);
ei_x_format(&eix, charp);
ei_x_format_wo_ver(&eix, charp);
ei_x_new(&eix);
ei_x_new_with_version(&eix);
ei_x_free(&eix);
ei_x_append(&eix, &eix);
ei_x_append_buf(&eix, charp, intx);
ei_skip_term(charp, intp);
ei_reg_open(intx);
ei_reg_resize(ei_regp, intx);
ei_reg_close(ei_regp);
ei_reg_setival(ei_regp, charp, longx);
ei_reg_setfval(ei_regp, charp, doublex);
ei_reg_setsval(ei_regp, charp, charp);
ei_reg_setpval(ei_regp, charp, voidp, intx);
ei_reg_setval(ei_regp, charp, intx);
ei_reg_getival(ei_regp, charp);
ei_reg_getfval(ei_regp, charp);
ei_reg_getsval(ei_regp, charp);
ei_reg_getpval(ei_regp, charp, intp);
ei_reg_getval(ei_regp, charp, intx);
ei_reg_markdirty(ei_regp, charp);
ei_reg_delete(ei_regp, charp);
ei_reg_stat(ei_regp, charp, ei_reg_statp);
ei_reg_tabstat(ei_regp, ei_reg_tabstatp);
ei_reg_dump(intx, ei_regp, charp, intx);
ei_reg_restore(intx, ei_regp, charp);
ei_reg_purge(ei_regp);
#if defined(HAVE_GMP_H) && defined(HAVE_LIBGMP)
{
mpz_t obj;
ei_decode_bignum(charp, intp, obj);
ei_encode_bignum(charp, intp, obj);
ei_x_encode_bignum(&eix, obj);
}
#endif /* HAVE_GMP_H && HAVE_LIBGMP */
#ifndef VXWORKS
ei_decode_longlong(charp, intp, longlongp);
ei_decode_ulonglong(charp, intp, ulonglongp);
ei_encode_longlong(charp, intp, longlongx);
ei_encode_ulonglong(charp, intp, ulonglongx);
ei_x_encode_longlong(&eix, longlongx);
ei_x_encode_ulonglong(&eix, ulonglongx);
#endif
#ifdef USE_EI_UNDOCUMENTED
ei_decode_intlist(charp, intp, longp, intp);
ei_receive_encoded(intx, &charp, intp, msgp, intp);
ei_send_encoded(intx, pidp, charp, intx);
ei_send_reg_encoded(intx, pidp, charp, charp, intx);
ei_decode_big(charp, intp, bigp);
ei_big_comp(bigp, bigp);
ei_big_to_double(bigp, doublep);
ei_small_to_big(intx, bigp);
ei_alloc_big(intx);
ei_free_big(bigp);
#endif /* USE_EI_UNDOCUMENTED */
return
BUFSIZ +
EAGAIN +
EHOSTUNREACH +
EIO +
EI_BIN +
EI_DELET +
EI_DIRTY +
EI_FLT +
EI_FORCE +
EI_INT +
EI_NOPURGE +
EI_STR +
EMSGSIZE +
ENOMEM +
ERL_ERROR +
ERL_EXIT +
ERL_LINK +
ERL_MSG +
ERL_NO_TIMEOUT +
ERL_REG_SEND +
ERL_SEND +
ERL_TICK +
ERL_TIMEOUT +
ERL_UNLINK +
ETIMEDOUT +
MAXATOMLEN;
}
int ei_x_append(ei_x_buff* x, const ei_x_buff* x2)
{
return ei_x_append_buf(x, x2->buff, x2->index);
}
