libvirt/examples/admin/client_limits.c
Michal Privoznik 3b67fc9f9f examples: Resolve sign-compare warnings
For instance:

hellolibvirt/hellolibvirt.c: In function 'showDomains':
hellolibvirt/hellolibvirt.c💯19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (i = 0; i < numNames; i++) {
                   ^

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-12-20 13:11:25 +01:00

64 lines
1.8 KiB
C

#include<stdio.h>
#include<stdlib.h>
#include<libvirt/libvirt-admin.h>
int main(int argc, char **argv)
{
int ret = -1;
virAdmConnectPtr conn = NULL;
virAdmServerPtr srv = NULL; /* which server to work with */
virTypedParameterPtr params = NULL;
int nparams = 0;
ssize_t i;
if (argc != 2) {
fprintf(stderr, "One argument specifying the server which to work "
"with is expected\n");
return -1;
}
/* first, open a connection to the daemon */
if (!(conn = virAdmConnectOpen(NULL, 0)))
goto cleanup;
/* a server handle is necessary before any API regarding threadpool
* parameters can be issued
*/
if (!(srv = virAdmConnectLookupServer(conn, argv[1], 0)))
goto cleanup;
/* get the current client limits */
if (virAdmServerGetClientLimits(srv, &params, &nparams, 0) < 0)
goto cleanup;
for (i = 0; i < nparams; i++)
printf("%-15s: %d\n", params[i].field, params[i].value.ui);
virTypedParamsFree(params, nparams);
params = NULL;
nparams = 0;
/* set nclients_max to 100 and nclients_unauth_max to 20 */
int maxparams = 0;
if (virTypedParamsAddUInt(&params, &nparams, &maxparams,
VIR_SERVER_CLIENTS_MAX, 100) < 0 ||
virTypedParamsAddUInt(&params, &nparams, &maxparams,
VIR_SERVER_CLIENTS_UNAUTH_MAX, 20) < 0)
goto cleanup;
/* now, change the client limits on the server */
if (virAdmServerSetClientLimits(srv, params, nparams, 0) < 0)
goto cleanup;
ret = 0;
cleanup:
virTypedParamsFree(params, nparams);
/* Once finished deallocate the server handle and close the connection
* properly, @conn will be deallocated automatically
*/
virAdmServerFree(srv);
virAdmConnectClose(conn);
return ret;
}