char * libvirt_hostname(void)
{
if (g_conn == NULL)
return NULL;
char * n = virConnectGetHostname(g_conn);
if (n)
return n;
else {
logerror(_("error in %s(%d)\n"), __func__, __LINE__);
return NULL;
}
}
int main(int argc, char *argv[])
{
virConnectPtr conn;
char *host;
conn = virConnectOpen("xen:///");
if (conn == NULL) {
fprintf(stderr, "Failed to open connection to xen:///\n");
return 1;
}
host = virConnectGetHostname(conn);
fprintf(stdout, "Hostname:%s\n", host);
free(host);
virConnectClose(conn);
return 0;
}
int main(int argvc, char *argv[]){
static virConnectPtr conn = NULL;
static virDomainPtr dom = NULL;
char * Sysinfo;
char* Capabilities;
char* Hostname;
int Vcpunum ;
const char* ConnectType;
unsigned long * hvVer;
int IsAlive;
conn = virConnectOpen("xen:///");
if(conn == NULL){
fprintf(stderr,"Failed to open connection to xen");
return -1;
}
dom = virDomainLookupByID(conn,1);
if(dom == NULL){
fprintf(stderr,"Failed to create a dom");
return -1;
}
Capabilities = virConnectGetCapabilities(conn);//get capabilities
if(Capabilities == NULL){
fprintf(stdout,"failed to GetCapabilities");
return -1;
}
fprintf(stdout,"ConnectCapabilities %s\n",Capabilities);
free(Capabilities);
Sysinfo = virConnectGetSysinfo(conn,0);//Get Sysinfo
if(Sysinfo ==NULL){
fprintf(stdout,"failed to getinfo");
return -1;
}
fprintf(stdout,"Sysinfo:%s\n",Sysinfo);
free(Sysinfo);
Hostname = virConnectGetHostname(conn);//get hostname
if(Hostname == NULL){
fprintf(stderr,"failed to get hostname");
return -1;
}
fprintf(stdout,"Hostname:%s\n",Hostname);
free(Hostname);
Vcpunum = virConnectGetMaxVcpus(conn,"xen");//Get Vcpunum
if(Vcpunum <0){
fprintf(stdout,"failed to GetCpunum");
return -1;
}
fprintf(stdout,"Vcpunum: %d\n",Vcpunum);
ConnectType = virConnectGetType(conn);//Connect Type
if(ConnectType ==NULL){
fprintf(stdout,"failed to GetConnectType");
return -1;
}
fprintf(stdout,"ConnectType is that :%s\n",ConnectType);
if(virConnectGetVersion(conn,hvVer)<0){
fprintf(stderr,"Failed to Get Version");
return -1;
}
fprintf(stdout,"ConnectVersion: %lu\n",*hvVer);
IsAlive = virConnectIsAlive(conn);
if(IsAlive == 1 ){
fprintf(stdout,"alive\n");
}
else
if(IsAlive == 0){
fprintf(stdout,"dead\n");
}
else
fprintf(stdout,"Failed to get Connect Status\n");
free(dom);
virConnectClose(conn);
return 0;
}
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 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;
}