bool
VirshType::ResumeFromSoftSuspend(void)
{
vmprintf(D_FULLDEBUG, "Inside VirshType::ResumeFromSoftSuspend\n");
if( (m_configfile.Length() == 0)) {
return false;
}
if( m_is_soft_suspended ) {
priv_state priv = set_root_priv();
virDomainPtr dom = virDomainLookupByName(m_libvirt_connection, m_vm_name.Value());
set_priv(priv);
if(dom == NULL)
{
virErrorPtr err = virConnGetLastError(m_libvirt_connection);
vmprintf(D_ALWAYS, "Error finding domain %s: %s\n", m_vm_name.Value(), (err ? err->message : "No reason found"));
return false;
}
priv = set_root_priv();
int result = virDomainResume(dom);
virDomainFree(dom);
set_priv(priv);
if( result != 0 ) {
// unpause failed.
vmprintf(D_ALWAYS, "Unpausing VM failed in "
"VirshType::ResumeFromSoftSuspend\n");
return false;
}
m_is_soft_suspended = false;
}
return true;
}
static int
suspend_and_resume(virConnectPtr conn,
const char *dom_name,
unsigned int seconds)
{
int ret = -1;
virDomainPtr dom;
virDomainInfo dom_info;
if (!(dom = virDomainLookupByName(conn, dom_name))) {
ERROR("Unable to find domain '%s'", dom_name);
goto cleanup;
}
if (virDomainGetInfo(dom, &dom_info) < 0) {
ERROR("Unable to get domain info");
goto cleanup;
}
DEBUG("Domain state %d", dom_info.state);
switch (dom_info.state) {
case VIR_DOMAIN_NOSTATE:
case VIR_DOMAIN_RUNNING:
case VIR_DOMAIN_BLOCKED:
/* In these states the domain can be suspended */
DEBUG("Suspending domain");
if (virDomainSuspend(dom) < 0) {
ERROR("Unable to suspend domain");
goto cleanup;
}
DEBUG("Domain suspended. Entering sleep for %u seconds.", seconds);
sleep(seconds);
DEBUG("Sleeping done. Resuming the domain.");
if (virDomainResume(dom) < 0) {
ERROR("Unable to resume domain");
goto cleanup;
}
break;
default:
/* In all other states domain can't be suspended */
ERROR("Domain is not in a state where it can be suspended: %d",
dom_info.state);
goto cleanup;
}
ret = 0;
cleanup:
if (dom)
virDomainFree(dom);
return ret;
}
/**
* SuspendAndResumeDomain:
* @id: the id of the domain
*
* extract the domain 0 information
*/
static void
SuspendAndResumeDomain(int id) {
virDomainPtr dom = NULL; /* the domain being checked */
int ret, state;
/* Find the domain of the given id */
dom = virDomainLookupByID(conn, id);
if (dom == NULL) {
fprintf(stderr, "Failed to find Domain %d\n", id);
goto error;
}
/* Check state */
state = checkDomainState(dom);
if ((state == VIR_DOMAIN_RUNNING) ||
(state == VIR_DOMAIN_NOSTATE) ||
(state == VIR_DOMAIN_BLOCKED)) {
printf("Suspending domain...\n");
ret = virDomainSuspend(dom);
if (ret < 0) {
fprintf(stderr, "Failed to suspend Domain %d\n", id);
goto error;
}
state = checkDomainState(dom);
if (state != VIR_DOMAIN_PAUSED) {
fprintf(stderr, "Domain %d state is not suspended\n", id);
} else {
printf("Domain suspended, resuming it...\n");
}
ret = virDomainResume(dom);
if (ret < 0) {
fprintf(stderr, "Failed to resume Domain %d\n", id);
goto error;
}
state = checkDomainState(dom);
if ((state == VIR_DOMAIN_RUNNING) ||
(state == VIR_DOMAIN_NOSTATE) ||
(state == VIR_DOMAIN_BLOCKED)) {
printf("Domain resumed\n");
} else {
fprintf(stderr, "Domain %d state indicate it is not resumed\n", id);
}
} else {
fprintf(stderr, "Domain %d is not in a state where it should be suspended\n", id);
goto error;
}
error:
if (dom != NULL)
virDomainFree(dom);
}
void resume_all_vm() {
int state, reason, count, i;
// resume all the VM-es (except for the Domain-0)
for (i = 1; i < numDomains; i++)
virDomainResume(activeDomains[i]);
// capture the time after resume action
clock_gettime(CLOCK_MONOTONIC, &tp_start);
// this function will looped until all machines are resumed.
while (1) {
count = 0;
for (i = 1; i < numDomains; i++) {
// check if the state is RUNNING (or BLOCKED in Xen)
virDomainGetState(activeDomains[i], &state, &reason, 0);
if (state == VIR_DOMAIN_BLOCKED || state == VIR_DOMAIN_RUNNING)
count++;
}
if (count == numDomains - 1) break;
}
}
static PromiseResult RunningVirt(EvalContext *ctx, virConnectPtr vc, Attributes a, const Promise *pp)
{
virDomainPtr dom;
virDomainInfo info;
dom = virDomainLookupByName(vc, pp->promiser);
PromiseResult result = PROMISE_RESULT_NOOP;
if (dom)
{
if (virDomainGetInfo(dom, &info) == -1)
{
cfPS(ctx, LOG_LEVEL_ERR, PROMISE_RESULT_FAIL, pp, a, "Unable to probe virtual domain '%s'", pp->promiser);
virDomainFree(dom);
return PROMISE_RESULT_FAIL;
}
switch (info.state)
{
case VIR_DOMAIN_RUNNING:
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_NOOP, pp, a, "Virtual domain '%s' running - promise kept", pp->promiser);
break;
case VIR_DOMAIN_BLOCKED:
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_NOOP, pp, a,
"Virtual domain '%s' running but waiting for a resource - promise kept as far as possible",
pp->promiser);
break;
case VIR_DOMAIN_SHUTDOWN:
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_INTERRUPTED, pp, a, "Virtual domain '%s' is shutting down", pp->promiser);
result = PromiseResultUpdate(result, PROMISE_RESULT_INTERRUPTED);
Log(LOG_LEVEL_VERBOSE,
"It is currently impossible to know whether it will reboot or not - deferring promise check until it has completed its shutdown");
break;
case VIR_DOMAIN_PAUSED:
if (virDomainResume(dom) == -1)
{
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_INTERRUPTED, pp, a, "Virtual domain '%s' failed to resume after suspension",
pp->promiser);
virDomainFree(dom);
result = PromiseResultUpdate(result, PROMISE_RESULT_INTERRUPTED);
return result;
}
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_CHANGE, pp, a, "Virtual domain '%s' was suspended, resuming", pp->promiser);
result = PromiseResultUpdate(result, PROMISE_RESULT_CHANGE);
break;
case VIR_DOMAIN_SHUTOFF:
if (virDomainCreate(dom) == -1)
{
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_INTERRUPTED, pp, a, "Virtual domain '%s' failed to resume after halting",
pp->promiser);
result = PromiseResultUpdate(result, PROMISE_RESULT_INTERRUPTED);
virDomainFree(dom);
return result;
}
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_CHANGE, pp, a, "Virtual domain '%s' was inactive, booting...", pp->promiser);
result = PromiseResultUpdate(result, PROMISE_RESULT_CHANGE);
break;
case VIR_DOMAIN_CRASHED:
if (virDomainReboot(dom, 0) == -1)
{
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_INTERRUPTED, pp, a, "Virtual domain '%s' has crashed and rebooting failed",
pp->promiser);
result = PromiseResultUpdate(result, PROMISE_RESULT_INTERRUPTED);
virDomainFree(dom);
return result;
}
cfPS(ctx, LOG_LEVEL_VERBOSE, PROMISE_RESULT_CHANGE, pp, a, "Virtual domain '%s' has crashed, rebooting...", pp->promiser);
result = PromiseResultUpdate(result, PROMISE_RESULT_CHANGE);
break;
default:
Log(LOG_LEVEL_VERBOSE, "Virtual domain '%s' is reported as having no state, whatever that means",
pp->promiser);
break;
}
if (a.env.cpus > 0)
{
if (virDomainSetVcpus(dom, a.env.cpus) == -1)
{
Log(LOG_LEVEL_INFO, " Unable to set the number of cpus to %d", a.env.cpus);
}
else
{
Log(LOG_LEVEL_INFO, "Setting the number of virtual cpus to %d", a.env.cpus);
}
}
if (a.env.memory != CF_NOINT)
{
if (virDomainSetMaxMemory(dom, (unsigned long) a.env.memory) == -1)
{
Log(LOG_LEVEL_INFO, " Unable to set the memory limit to %d", a.env.memory);
}
else
{
Log(LOG_LEVEL_INFO, "Setting the memory limit to %d", a.env.memory);
}
if (virDomainSetMemory(dom, (unsigned long) a.env.memory) == -1)
{
Log(LOG_LEVEL_INFO, " Unable to set the current memory to %d", a.env.memory);
}
}
if (a.env.disk != CF_NOINT)
{
Log(LOG_LEVEL_VERBOSE, "Info: env_disk parameter is not currently supported on this platform");
}
virDomainFree(dom);
}
else
{
Log(LOG_LEVEL_VERBOSE, "Virtual domain '%s' cannot be located, attempting to recreate", pp->promiser);
result = PromiseResultUpdate(result, CreateVirtDom(ctx, vc, a, pp));
}
return result;
}
int main(int argc, char *argv[])
{
virConnectPtr conn;
virDomainPtr vdp;
int i=-1,ch;
char *host;
conn = virConnectOpen("xen:///");
if (conn == NULL) {
fprintf(stderr, "Failed to open connection to xen:///\n");
return 1;
}
//host = virConnectGetHostname(conn);
vdp=virDomainLookupByName(conn,"ubuntu_connection");
printf("\nMenu\n----\n1.Connect\n2.Suspend\n3.Resume\n 4.Shutdown\n");
printf("Enter your choice:\n");
scanf("%d",&ch);
switch(ch) {
case 1:
i=virDomainCreate(vdp);
if(i==0)
{
printf("Success\n");
}else{
printf("Failed\n");
}
break;
case 2:
/* suspend*/
i=virDomainSuspend(vdp);
if(i==0)
{
printf("Success\n");
}else{
printf("Failed\n");
}
break;
case 3:
/*resume*/
i=virDomainResume(vdp);
if(i==0)
{
printf("Success\n");
}else{
printf("Failed\n");
}
break;
case 4:
/*shutdown*/
i=virDomainDestroy(vdp);
if(i==0)
{
printf("Success\n");
}else{
printf("Failed\n");
}
break;
default:
printf("INVALID");
virConnectClose(conn);
return 0;
}
}
static int RunningVirt(virConnectPtr vc, char *uri, Attributes a, Promise *pp)
{
virDomainPtr dom;
virDomainInfo info;
dom = virDomainLookupByName(vc, pp->promiser);
if (dom)
{
if (virDomainGetInfo(dom, &info) == -1)
{
cfPS(cf_inform, CF_FAIL, "", pp, a, " !! Unable to probe virtual domain \"%s\"", pp->promiser);
virDomainFree(dom);
return false;
}
switch (info.state)
{
case VIR_DOMAIN_RUNNING:
cfPS(cf_verbose, CF_NOP, "", pp, a, " -> Virtual domain \"%s\" running - promise kept\n", pp->promiser);
break;
case VIR_DOMAIN_BLOCKED:
cfPS(cf_verbose, CF_NOP, "", pp, a,
" -> Virtual domain \"%s\" running but waiting for a resource - promise kept as far as possible\n",
pp->promiser);
break;
case VIR_DOMAIN_SHUTDOWN:
cfPS(cf_verbose, CF_INTERPT, "", pp, a, " -> Virtual domain \"%s\" is shutting down\n", pp->promiser);
CfOut(cf_verbose, "",
" -> It is currently impossible to know whether it will reboot or not - deferring promise check until it has completed its shutdown");
break;
case VIR_DOMAIN_PAUSED:
if (virDomainResume(dom) == -1)
{
cfPS(cf_verbose, CF_INTERPT, "", pp, a, " -> Virtual domain \"%s\" failed to resume after suspension\n",
pp->promiser);
virDomainFree(dom);
return false;
}
cfPS(cf_verbose, CF_CHG, "", pp, a, " -> Virtual domain \"%s\" was suspended, resuming\n", pp->promiser);
break;
case VIR_DOMAIN_SHUTOFF:
if (virDomainCreate(dom) == -1)
{
cfPS(cf_verbose, CF_INTERPT, "", pp, a, " -> Virtual domain \"%s\" failed to resume after halting\n",
pp->promiser);
virDomainFree(dom);
return false;
}
cfPS(cf_verbose, CF_CHG, "", pp, a, " -> Virtual domain \"%s\" was inactive, booting...\n", pp->promiser);
break;
case VIR_DOMAIN_CRASHED:
if (virDomainReboot(dom, 0) == -1)
{
cfPS(cf_verbose, CF_INTERPT, "", pp, a, " -> Virtual domain \"%s\" has crashed and rebooting failed\n",
pp->promiser);
virDomainFree(dom);
return false;
}
cfPS(cf_verbose, CF_CHG, "", pp, a, " -> Virtual domain \"%s\" has crashed, rebooting...\n", pp->promiser);
break;
default:
CfOut(cf_verbose, "", " !! Virtual domain \"%s\" is reported as having no state, whatever that means",
pp->promiser);
break;
}
if (a.env.cpus > 0)
{
if (virDomainSetVcpus(dom, a.env.cpus) == -1)
{
CfOut(cf_inform, "", " !!! Unable to set the number of cpus to %d", a.env.cpus);
}
else
{
CfOut(cf_inform, "", " -> Setting the number of virtual cpus to %d", a.env.cpus);
}
}
if (a.env.memory != CF_NOINT)
{
if (virDomainSetMaxMemory(dom, (unsigned long) a.env.memory) == -1)
{
CfOut(cf_inform, "", " !!! Unable to set the memory limit to %d", a.env.memory);
}
else
{
CfOut(cf_inform, "", " -> Setting the memory limit to %d", a.env.memory);
}
if (virDomainSetMemory(dom, (unsigned long) a.env.memory) == -1)
{
CfOut(cf_inform, "", " !!! Unable to set the current memory to %d", a.env.memory);
}
}
if (a.env.disk != CF_NOINT)
{
CfOut(cf_verbose, "", " -> Info: env_disk parameter is not currently supported on this platform");
}
virDomainFree(dom);
}
else
{
CfOut(cf_verbose, "", " -> Virtual domain \"%s\" cannot be located, attempting to recreate", pp->promiser);
CreateVirtDom(vc, uri, a, pp);
}
return true;
}
void main()
{
virConnectPtr connection;
virDomainPtr vdp_id, vdp_name;
int i,ret_val=-1;
int ch,ch_id,domainnum;
int *domains;
char name[25];
const char *active_name;
connection = virConnectOpen("xen:///");
if (connection == NULL)
{ fprintf(stderr, "Error opening connection to XEN:/// \n");
exit(1);
}
else
{
domainnum=virConnectNumOfDomains(connection);
domains=malloc(sizeof(int) * domainnum);
domainnum = virConnectListDomains(connection, domains, domainnum);
printf("\t\t ----Active Domains---- \n");
for (i = 0 ; i < domainnum ; i++)
{
vdp_id=virDomainLookupByID(connection,i);
active_name=virDomainGetName(vdp_id);
printf(" \t\t%s \n", active_name);
}
free(domains);
while(1)
{
printf("1.Start\n2.Suspend\n3.Resume\n4.stop\n5.exit\n ");
printf("Enter Your Choice : ");
scanf("%d",&ch);
if(ch != 5)
{
printf("\n Please Insert the Active Domian Name: ");
scanf("%s",name);
vdp_name = virDomainLookupByName(connection,name);
}
switch(ch)
{
case 1:
ret_val=virDomainCreate(vdp_name);
if(ret_val==0)
printf("Domain %s started\n", name);
else
printf("Start Operation Failed\n");
break;
case 2:
ret_val=virDomainSuspend(vdp_name);
if(ret_val==0)
printf("Domain %s Suspended\n", name);
else
printf("Suspend Operation Failed\n");
break;
case 3:
ret_val=virDomainResume(vdp_name);
if(ret_val==0)
printf("Domain %s Resumed\n", name);
else
printf("Resume Operation Failed\n");
break;
case 4:
ret_val=virDomainShutdown(vdp_name);
if(ret_val==0)
printf("Domain %s Stopped\n", name);
else
printf("Stop Operation Failed\n");
break;
case 5:
exit(1);
default:
exit(1);
}
}
virConnectClose(connection);
}
}
void main()
{
int i,val=-1,ch,no_domains;
char name[50];
int *act_domains;
virConnectPtr con_ptr;
virDomainPtr dom_ptr;
con_ptr = virConnectOpen("xen:///");
if (con_ptr == NULL) {
fprintf(stderr, "Error opening connection to XEN:/// \n");
return 1;
}
else
{
no_domains=virConnectNumOfDomains(con_ptr);
act_domains=malloc(sizeof(int) * no_domains);
no_domains = virConnectListDomains(con_ptr, act_domains, no_domains);
free(act_domains);
while(1)
{
printf("1.Start\n2.Suspend\n3.Resume\n4.Shutdown\n5.exit ");
scanf("%d",&ch);
printf("\n Enter Active Domian name ");
scanf("%s",&name);
dom_ptr=virDomainLookupByName(con_ptr,name);
switch(ch)
{
case 1:
val=virDomainCreate(dom_ptr);
if(val==0)
printf("Success");
else
printf("Failed");
break;
case 2:
val=virDomainSuspend(dom_ptr);
if(val==0)
printf("Success");
else
printf("Failed");
break;
case 3:
val=virDomainResume(dom_ptr);
if(val==0)
printf("Success");
else
printf("Failed");
break;
case 4:
val=virDomainShutdown(dom_ptr);
if(val==0)
printf("Success");
else
printf("Failed");
break;
default:exit(1);
}
}
virConnectClose(con_ptr);
}
}
/**
* @brief resumes the domain
* @return if the domain was resumed without error, otherwise false
*/
bool Domain::resume()
{
// TODO(txwikinger): check if it can be resumed
return (virDomainResume(m_domain) == 0);
}
int main(int argc, char *argv[])
{
virConnectPtr conn;
virDomainPtr vdp;
int val=-1;
int choice;
char *host;
conn = virConnectOpen("xen:///");
if (conn == NULL) {
fprintf(stderr, "Failed to open connection to xen:///\n");
return 1;
}
printf("1.Suspend\n2.Resume\n3.Stop\n4.Start\n4.Exit");
scanf("%d",&choice);
while(1)
{
vdp=virDomainLookupById(conn,1);
if(choice==1)
{
/* suspend*/
val=virDomainSuspend(vdp);
if(val==0)
{
printf("Success");
}else{
printf("Failed");
}
}
else if(choice==2)
{
/*resume*/
val=virDomainResume(vdp);
if(val==0)
{
printf("Success");
}else{
printf("Failed");
}
}
else if(choice==3)
{
/*shutdown*/
val=virDomainDestroy(vdp);
if(val==0)
{
printf("Success");
}else{
printf("Failed");
}
}
else if(choice==4)
{
/*start*/
val=virDomainCreate(vdp);
if(val==0)
{
printf("Success");
}else{
printf("Failed");
}
}
else if(choice==5)
{
virConnectClose(conn);
break;
}
}
return 0;
}
void main()
{
int i,val=-1,choice,choice_id,num_domains;
int *active_domains;
virConnectPtr conn;
virDomainPtr vdp;
conn = virConnectOpen("xen:///");
if (conn == NULL) {
fprintf(stderr, "Error opening connection to XEN:/// \n");
return 1;
}
else
{
//For finding Active Devices
num_domains=virConnectNumOfDomains(conn);
active_domanins=malloc(sizeof(int) * num_domains);
num_domains = virConnectListDomains(conn, active_domains, num_domains);
printf("Active domain IDs : \n");
for (i = 0 ; i < num_domains ; i++) {
printf(" %d\n", active_domains[i]);
}
free(active_domains);
while(1)
{
printf("1.Start\n2.Suspend\n3.Resume\n4.stop\n5.exit ");
scanf("%d",&choice);
printf("\n Please Insert the Active Domian ID ");
scanf("%d",&choice_id);
vdp=virDomainLookupById(conn,choice_id);
switch(choice)
{
case 1:/* Start */
val=virDomainCreate(vdp);
if(val==0)
printf("Success");
else
printf("Failed");
break;
case 2:/* Suspend */
val=virDomainSuspend(vdp);
if(val==0)
printf("Success");
else
printf("Failed");
break;
case 3:/* Resume */
val=virDomainResume(vdp);
if(val==0)
printf("Success");
else
printf("Failed");
break;
case 4: /* stop */
val=virDomainStop(vdp);
if(val==0)
printf("Success");
else
printf("Failed");
break;
default:exit(1);
}
}
virConnectClose(conn);
}
}