int
main(int argc, char *argv[])
{
int ret = 0;
virConnectPtr conn;
char *uri;
printf("Attempting to connect to hypervisor\n");
uri = (argc > 0 ? argv[1] : NULL);
/* virConnectOpenAuth is called here with all default parameters,
* except, possibly, the URI of the hypervisor. */
conn = virConnectOpenAuth(uri, virConnectAuthPtrDefault, 0);
if (!conn) {
ret = 1;
printf("No connection to hypervisor\n");
showError(conn);
goto out;
}
uri = virConnectGetURI(conn);
if (!uri) {
ret = 1;
printf("Failed to get URI for hypervisor connection\n");
showError(conn);
goto disconnect;
}
printf("Connected to hypervisor at \"%s\"\n", uri);
free(uri);
if (0 != showHypervisorInfo(conn)) {
ret = 1;
goto disconnect;
}
if (0 != showDomains(conn)) {
ret = 1;
goto disconnect;
}
disconnect:
if (0 != virConnectClose(conn)) {
printf("Failed to disconnect from hypervisor\n");
showError(conn);
ret = 1;
} else {
printf("Disconnected from hypervisor\n");
}
out:
return ret;
}
virConnectPtr *
check_hypervisor_conn()
{
if (nc_state.conn == NULL || virConnectGetURI(nc_state.conn) == NULL) {
nc_state.conn = virConnectOpen (nc_state.uri);
if (nc_state.conn == NULL) {
logprintfl (EUCAFATAL, "Failed to connect to %s\n", nc_state.uri);
return NULL;
}
}
return &(nc_state.conn);
}
virConnectPtr libvirtConnect(char *uri)
{
virConnectPtr cp;
virSetErrorFunc("vmrunner", errHandler);
domainIsOff = 0;
lastErrorCode = 0;
DPRINTF("Opening connection to hypervisor, uri %s\n", uri ? uri : "probed");
cp = virConnectOpen(uri);
if (cp == NULL) {
DPRINTF("virConnectOpen call failed\n");
return NULL;
}
DPRINTF("Connected to %s\n", virConnectGetURI(cp));
return cp;
}
/*
* virshCatchDisconnect:
*
* We get here when the connection was closed. We can't do much in the
* handler, just save the fact it was raised.
*/
static void
virshCatchDisconnect(virConnectPtr conn,
int reason,
void *opaque)
{
if (reason != VIR_CONNECT_CLOSE_REASON_CLIENT) {
vshControl *ctl = opaque;
const char *str = "unknown reason";
virErrorPtr error;
char *uri;
error = virSaveLastError();
uri = virConnectGetURI(conn);
switch ((virConnectCloseReason) reason) {
case VIR_CONNECT_CLOSE_REASON_ERROR:
str = N_("Disconnected from %s due to I/O error");
break;
case VIR_CONNECT_CLOSE_REASON_EOF:
str = N_("Disconnected from %s due to end of file");
break;
case VIR_CONNECT_CLOSE_REASON_KEEPALIVE:
str = N_("Disconnected from %s due to keepalive timeout");
break;
/* coverity[dead_error_condition] */
case VIR_CONNECT_CLOSE_REASON_CLIENT:
case VIR_CONNECT_CLOSE_REASON_LAST:
break;
}
vshError(ctl, _(str), NULLSTR(uri));
VIR_FREE(uri);
if (error) {
virSetError(error);
virFreeError(error);
}
disconnected++;
vshEventDone(ctl);
}
}
NodeWrap::NodeWrap(ManagementAgent* _agent, string _name) : name(_name), agent(_agent)
{
virNodeInfo info;
char *hostname;
char libvirt_version[256] = "Unknown";
char api_version[256] = "Unknown";
char hv_version[256] = "Unknown";
char *uri;
const char *hv_type;
unsigned long api_v;
unsigned long libvirt_v;
unsigned long hv_v;
int ret;
unsigned int major;
unsigned int minor;
unsigned int rel;
conn = virConnectOpen(NULL);
if (!conn) {
REPORT_ERR(conn, "virConnectOpen");
throw -1;
}
hostname = virConnectGetHostname(conn);
if (hostname == NULL) {
REPORT_ERR(conn, "virConnectGetHostname");
throw -1;
}
hv_type = virConnectGetType(conn);
if (hv_type == NULL) {
REPORT_ERR(conn, "virConnectGetType");
throw -1;
}
uri = virConnectGetURI(conn);
if (uri == NULL) {
REPORT_ERR(conn, "virConnectGetURI");
throw -1;
}
ret = virGetVersion(&libvirt_v, hv_type, &api_v);
if (ret < 0) {
REPORT_ERR(conn, "virGetVersion");
} else {
major = libvirt_v / 1000000;
libvirt_v %= 1000000;
minor = libvirt_v / 1000;
rel = libvirt_v % 1000;
snprintf(libvirt_version, sizeof(libvirt_version), "%d.%d.%d", major, minor, rel);
major = api_v / 1000000;
api_v %= 1000000;
minor = api_v / 1000;
rel = api_v % 1000;
snprintf(api_version, sizeof(api_version), "%d.%d.%d", major, minor, rel);
}
ret = virConnectGetVersion(conn, &hv_v);
if (ret < 0) {
REPORT_ERR(conn, "virConnectGetVersion");
} else {
major = hv_v / 1000000;
hv_v %= 1000000;
minor = hv_v / 1000;
rel = hv_v % 1000;
snprintf(hv_version, sizeof(hv_version), "%d.%d.%d", major, minor, rel);
}
ret = virNodeGetInfo(conn, &info);
if (ret < 0) {
REPORT_ERR(conn, "virNodeGetInfo");
memset((void *) &info, sizeof(info), 1);
}
mgmtObject = new _qmf::Node(agent, this, hostname, uri, libvirt_version, api_version, hv_version, hv_type,
info.model, info.memory, info.cpus, info.mhz, info.nodes, info.sockets,
info.cores, info.threads);
agent->addObject(mgmtObject);
}
int
main(int argc, char *argv[])
{
int ret = 0;
virConnectPtr conn;
char *uri;
AuthData authData;
if (argc != 4) {
ret = 1;
printf("Usage: %s <uri> <username> <password>\n", argv[0]);
goto out;
}
uri = argv[1];
authData.username = argv[2];
authData.password = argv[3];
auth.cbdata = &authData;
printf("Attempting to connect to hypervisor\n");
conn = virConnectOpenAuth(uri, &auth, 0);
if (NULL == conn) {
ret = 1;
printf("No connection to hypervisor\n");
showError(conn);
goto out;
}
uri = virConnectGetURI(conn);
if (uri == NULL) {
ret = 1;
printf("Failed to get URI for hypervisor connection\n");
showError(conn);
goto disconnect;
}
printf("Connected to hypervisor at \"%s\"\n", uri);
free(uri);
if (showHypervisorInfo(conn) != 0) {
ret = 1;
goto disconnect;
}
if (showDomains(conn) != 0) {
ret = 1;
goto disconnect;
}
disconnect:
if (virConnectClose(conn) != 0) {
printf("Failed to disconnect from hypervisor\n");
showError(conn);
ret = 1;
} else {
printf("Disconnected from hypervisor\n");
}
out:
return ret;
}
/**
* @brief provides the uri used to access the domain
* @return string containing the uri
*/
QString Domain::uri()
{
virConnectPtr conn = virDomainGetConnect(m_domain);
return QString(virConnectGetURI(conn));
}
int main()
{
int idCount;
int i;
int id;
//int ids[MAXID];
int *ids;
//timeInfoNode timeInfos[MAXID];
printf("--------------------------------------------------------\n");
printf(" XEN Domain Monitor \n");
printf("--------------------------------------------------------\n");
/* NULL means connect to local Xen hypervisor */
conn = virConnectOpenReadOnly(NULL);
if (conn == NULL)
{
fprintf(stderr, "Failed to connect to hypervisor\n");
closeConn();
return 0;
}
/*char* caps;
caps = virConnectGetCapabilities(conn);
printf("Capabilities:\n%s\n",caps);
free(caps);*/
char *host;
host = virConnectGetHostname(conn);
fprintf(stdout, "Hostname:%s\n",host);
free(host);
int vcpus;
vcpus = virConnectGetMaxVcpus(conn,NULL);
fprintf(stdout, "Maxmum support vcpus:%d\n",vcpus);
unsigned long long node_free_memory;
node_free_memory = virNodeGetFreeMemory(conn);
fprintf(stdout, "free memory:%lld\n",node_free_memory);
virNodeInfo nodeinfo;
virNodeGetInfo(conn,&nodeinfo);
fprintf(stdout, "Model: %s\n", nodeinfo.model);
fprintf(stdout, "Memory size: %lukb\n", nodeinfo.memory);
fprintf(stdout, "Number of CPUs: %u\n", nodeinfo.cpus);
fprintf(stdout, "MHz of CPUs: %u\n", nodeinfo.mhz);
fprintf(stdout, "Number of NUMA nodes: %u\n", nodeinfo.nodes);
fprintf(stdout, "Number of CPU sockets: %u\n", nodeinfo.sockets);
fprintf(stdout, "Number of CPU cores per socket: %u\n", nodeinfo.cores);
fprintf(stdout, "Number of CPU threads per core: %u\n", nodeinfo.threads);
fprintf(stdout, "Virtualization type: %s\n", virConnectGetType(conn));
unsigned long ver;
virConnectGetVersion(conn, &ver);
fprintf(stdout, "Version: %lu\n", ver);
/*unsigned long Libver;
virConnectGetLibVersion(conn, &Libver);
fprintf(stdout, "Libvirt Version: %lu\n", Libver);*/
char *uri;
uri = virConnectGetURI(conn);
fprintf(stdout, "Canonical URI: %s\n", uri);
free(uri);
/* get the count of IDs and save these ID into ids[] */
idCount = virConnectNumOfDomains(conn);
ids = malloc(sizeof(int) *idCount);
idCount = virConnectListDomains(conn,ids,idCount);
//idCount = virConnectListDomains(conn, &ids[0], MAXID);
if (idCount < 0)
{
fprintf(stderr, "Failed to list the domains\n");
closeConn();
return 0;
}
timeInfoNode timeInfos[idCount];
printf("Domain Totals: %d\n", idCount);
printf("ID\tCPU\tMEM\tMaxMEM\tVCPUs\tState\tNAME\n");
/* loop get the CPUtime info by IDs */
for (i = 0; i < idCount; i++)
{
id = ids[i];
getTimeInfo(id, &(timeInfos[i]));
}
sleep(1);
/* loop print the domain info and calculate the usage of cpus*/
for (i = 0; i < idCount; i++)
{
id = ids[i];
getDomainInfo(id, timeInfos[i]);
}
free(ids);
printf("--------------------------------------------------------\n");
closeConn();
return 0;
}
int
main(int argc, char *argv[])
{
int ret = 0;
virConnectPtr conn;
char *uri;
char inpFileName[256] = { 0 };
char lz4FileName[256] = { 0 };
char decFileName[256] = { 0 };
char pepe1[] = "someFile.txt";
printf("Attempting to connect to hypervisor\n");
uri = (argc > 0 ? argv[1] : NULL);
/* virConnectOpenAuth is called here with all default parameters,
* except, possibly, the URI of the hypervisor. */
conn = virConnectOpenAuth(uri, virConnectAuthPtrDefault, 0);
if (!conn) {
ret = 1;
printf("No connection to hypervisor: %s\n",
virGetLastErrorMessage());
goto out;
}
uri = virConnectGetURI(conn);
if (!uri) {
ret = 1;
printf("Failed to get URI for hypervisor connection: %s\n",
virGetLastErrorMessage());
goto disconnect;
}
printf("Connected to hypervisor at \"%s\"\n", uri);
// snprintf(inpFilename, 256, "%s", argv[1]);
// snprintf(lz4Filename, 256, "%s.lz4s-%d", argv[1], BLOCK_BYTES);
// snprintf(decFilename, 256, "%s.lz4s-%d.dec", argv[1], BLOCK_BYTES);
snprintf(inpFileName, 256, "%s", pepe1);
snprintf(lz4FileName, 256, "%s.lz4s-%d", pepe1, BLOCK_BYTES);
snprintf(decFileName, 256, "%s.lz4s-%d.dec", pepe1, BLOCK_BYTES);
printf("inp = [%s]\n", inpFileName);
printf("lz4 = [%s]\n", lz4FileName);
printf("dec = [%s]\n", decFileName);
compress(inpFileName, lz4FileName);
decompress(lz4FileName, decFileName);
free(uri);
disconnect:
if (0 != virConnectClose(conn)) {
printf("Failed to disconnect from hypervisor: %s\n",
virGetLastErrorMessage());
ret = 1;
} else {
printf("Disconnected from hypervisor\n");
}
out:
return ret;
}
