static void
mcf_askchild(struct cli *cli, const char * const *av, void *priv)
{
int i;
char *q;
unsigned u;
struct vsb *vsb;
(void)priv;
/*
* Command not recognized in master, try cacher if it is
* running.
*/
if (cli_o <= 0) {
if (!strcmp(av[1], "help")) {
if (av[2] == NULL || strcmp(av[2], "-j"))
VCLI_Out(cli,
"No help from child, (not running).\n");
return;
}
VCLI_SetResult(cli, CLIS_UNKNOWN);
VCLI_Out(cli,
"Unknown request in manager process "
"(child not running).\n"
"Type 'help' for more info.");
return;
}
vsb = VSB_new_auto();
for (i = 1; av[i] != NULL; i++) {
VSB_quote(vsb, av[i], strlen(av[i]), 0);
VSB_putc(vsb, ' ');
}
VSB_putc(vsb, '\n');
AZ(VSB_finish(vsb));
i = write(cli_o, VSB_data(vsb), VSB_len(vsb));
if (i != VSB_len(vsb)) {
VSB_destroy(&vsb);
VCLI_SetResult(cli, CLIS_COMMS);
VCLI_Out(cli, "CLI communication error");
MGT_Child_Cli_Fail();
return;
}
VSB_destroy(&vsb);
if (VCLI_ReadResult(cli_i, &u, &q, mgt_param.cli_timeout))
MGT_Child_Cli_Fail();
VCLI_SetResult(cli, u);
VCLI_Out(cli, "%s", q);
free(q);
}
int
mgt_cli_askchild(unsigned *status, char **resp, const char *fmt, ...) {
int i, j;
va_list ap;
unsigned u;
char buf[params->cli_buffer], *p;
if (resp != NULL)
*resp = NULL;
if (status != NULL)
*status = 0;
if (cli_i < 0|| cli_o < 0) {
if (status != NULL)
*status = CLIS_CANT;
return (CLIS_CANT);
}
va_start(ap, fmt);
vbprintf(buf, fmt, ap);
va_end(ap);
p = strchr(buf, '\0');
assert(p != NULL && p > buf && p[-1] == '\n');
i = p - buf;
j = write(cli_o, buf, i);
if (j != i) {
if (status != NULL)
*status = CLIS_COMMS;
if (resp != NULL)
*resp = strdup("CLI communication error");
MGT_Child_Cli_Fail();
return (CLIS_COMMS);
}
(void)VCLI_ReadResult(cli_i, &u, resp, params->cli_timeout);
if (status != NULL)
*status = u;
if (u == CLIS_COMMS)
MGT_Child_Cli_Fail();
return (u == CLIS_OK ? 0 : u);
}