void
read_response(mdata_get_t *mdg)
{
int retries = 3;
string_t *resp = dynstr_new();
for (;;) {
char buf[2];
ssize_t sz = fread(&buf, 1, 1, mdg->mdg_fp);
if (sz == 1) {
if (buf[0] == '\n') {
process_input(mdg, dynstr_cstr(resp));
dynstr_reset(resp);
} else {
buf[1] = '\0';
dynstr_append(resp, buf);
}
} else if ((sz == 0) || (sz == -1 && errno == EAGAIN)) {
if (--retries == 0)
errx(1, "timed out while reading metadata "
"response");
sleep(1);
} else {
errx(1, "could not read metadata response");
}
if (mdg->mdg_state == MDGS_DONE)
break;
}
}
static int
plat_send_reset(mdata_plat_t *mpl)
{
int ret = -1;
string_t *str = dynstr_new();
dynstr_append(str, "\n");
if (plat_send(mpl, str) != 0)
goto bail;
dynstr_reset(str);
if (plat_recv(mpl, str, 2000) != 0)
goto bail;
if (strcmp(dynstr_cstr(str), "invalid command") != 0)
goto bail;
ret = 0;
bail:
dynstr_free(str);
return (ret);
}
