void main(int argc, char *argv[]) {
char *myIP;
if (argc<2)
printf("arg1=myip\n"),exit(-128);
myIP = argv[1];
if (fork() == 0) {
// Child
virConnectPtr localhost = virConnectOpen("qemu:///system");
while(1) {
int alive = virConnectIsAlive(localhost);
if (alive == 0) {
printf("Connection lost, reopening.\n");
virConnectClose(localhost);
localhost = virConnectOpen("qemu:///system");
} else if (alive == -1) {
printf("Connection dead.\n");
virConnectClose(localhost);
localhost = virConnectOpen("qemu:///system");
sleep(3);
continue;
}
printf("*** connected\n");
run(myIP, localhost);
sleep(1);
}
virConnectClose(localhost);
}
exit(0);
}
static bool
virshConnectionUsability(vshControl *ctl, virConnectPtr conn)
{
if (!conn ||
virConnectIsAlive(conn) == 0) {
vshError(ctl, "%s", _("no valid connection"));
return false;
}
/* The connection is considered dead only if
* virConnectIsAlive() successfuly says so.
*/
vshResetLibvirtError();
return true;
}
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;
}
