External/libvirt
1
0
Fork 0
mirror of https://gitlab.com/libvirt/libvirt.git synced 2024-12-22 13:45:38 +00:00
Code Issues Packages Projects Releases Wiki Activity

Update hellolibvirt to demo virGetLastErrorMessage()

Browse Source 
Update the hellolibvirt example program to demonstrate use of
the virGetLastErrorMessage() API for quick error reporting

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2013-05-10 18:43:38 +01:00
parent 31989e66c6
commit 0902f696a9
1 changed files with 14 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
examples/hellolibvirt/hellolibvirt.c
View File

@ -9,42 +9,6 @@
#include <libvirt/libvirt.h> #include <libvirt/libvirt.h>
#include <libvirt/virterror.h> #include <libvirt/virterror.h>
static void
showError(virConnectPtr conn)
{
int ret;
virErrorPtr err;
err = malloc(sizeof(*err));
if (!err) {
printf("Could not allocate memory for error data\n");
goto out;
}
ret = virConnCopyLastError(conn, err);
switch (ret) {
case 0:
printf("No error found\n");
break;
case -1:
printf("Parameter error when attempting to get last error\n");
break;
default:
printf("libvirt reported: \"%s\"\n", err->message);
break;
}
virResetError(err);
free(err);
out:
return;
}
static int static int
showHypervisorInfo(virConnectPtr conn) showHypervisorInfo(virConnectPtr conn)
{ {
@ -59,15 +23,15 @@ showHypervisorInfo(virConnectPtr conn)
hvType = virConnectGetType(conn); hvType = virConnectGetType(conn);
if (!hvType) { if (!hvType) {
ret = 1; ret = 1;
printf("Failed to get hypervisor type\n"); printf("Failed to get hypervisor type: %s\n",
showError(conn); virGetLastErrorMessage());
goto out; goto out;
} }
if (0 != virConnectGetVersion(conn, &hvVer)) { if (0 != virConnectGetVersion(conn, &hvVer)) {
ret = 1; ret = 1;
printf("Failed to get hypervisor version\n"); printf("Failed to get hypervisor version: %s\n",
showError(conn); virGetLastErrorMessage());
goto out; goto out;
} }
@ -102,16 +66,16 @@ showDomains(virConnectPtr conn)
numActiveDomains = virConnectNumOfDomains(conn); numActiveDomains = virConnectNumOfDomains(conn);
if (numActiveDomains == -1) { if (numActiveDomains == -1) {
ret = 1; ret = 1;
printf("Failed to get number of active domains\n"); printf("Failed to get number of active domains: %s\n",
showError(conn); virGetLastErrorMessage());
goto out; goto out;
} }
numInactiveDomains = virConnectNumOfDefinedDomains(conn); numInactiveDomains = virConnectNumOfDefinedDomains(conn);
if (numInactiveDomains == -1) { if (numInactiveDomains == -1) {
ret = 1; ret = 1;
printf("Failed to get number of inactive domains\n"); printf("Failed to get number of inactive domains: %s\n",
showError(conn); virGetLastErrorMessage());
goto out; goto out;
} }
@ -157,16 +121,16 @@ main(int argc, char *argv[])
if (!conn) { if (!conn) {
ret = 1; ret = 1;
printf("No connection to hypervisor\n"); printf("No connection to hypervisor: %s\n",
showError(conn); virGetLastErrorMessage());
goto out; goto out;
} }
uri = virConnectGetURI(conn); uri = virConnectGetURI(conn);
if (!uri) { if (!uri) {
ret = 1; ret = 1;
printf("Failed to get URI for hypervisor connection\n"); printf("Failed to get URI for hypervisor connection: %s\n",
showError(conn); virGetLastErrorMessage());
goto disconnect; goto disconnect;
} }
@ -185,8 +149,8 @@ main(int argc, char *argv[])
disconnect: disconnect:
if (0 != virConnectClose(conn)) { if (0 != virConnectClose(conn)) {
printf("Failed to disconnect from hypervisor\n"); printf("Failed to disconnect from hypervisor: %s\n",
showError(conn); virGetLastErrorMessage());
ret = 1; ret = 1;
} else { } else {
printf("Disconnected from hypervisor\n"); printf("Disconnected from hypervisor\n");