NuKVM/libvirt
3
0
Fork 0
mirror of https://github.com/libvirt/libvirt.git synced 2025-02-25 18:55:26 -06:00
Code Issues Packages Projects Releases Wiki Activity

Fix the example code for event handling in C

Browse Source 
* examples/domain-events/events-c/event-test.c: fixed the example
  code for event handling, patch by Pritesh Kothari
daniel
This commit is contained in:
Daniel Veillard 2009-05-25 09:44:10 +00:00
parent 107a7bd06b
commit a76e46044d
2 changed files with 44 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
ChangeLog
View File

@ -1,3 +1,8 @@
Mon May 25 11:42:15 CEST 2009 Daniel Veillard <veillard@redhat.com>
* examples/domain-events/events-c/event-test.c: fixed the example
code for event handling, patch by Pritesh Kothari
Thu May 21 15:22:22 BST 2009 Daniel P. Berrange <berrange@redhat.com> Thu May 21 15:22:22 BST 2009 Daniel P. Berrange <berrange@redhat.com>
Test case for QEMU driver ARGV -> XML conversion Test case for QEMU driver ARGV -> XML conversion

73
examples/domain-events/events-c/event-test.c
View File

@ -116,7 +116,7 @@ static const char *eventDetailToString(int event, int detail) {
break; break;
case VIR_DOMAIN_EVENT_SUSPENDED: case VIR_DOMAIN_EVENT_SUSPENDED:
if (detail == VIR_DOMAIN_EVENT_SUSPENDED_PAUSED) if (detail == VIR_DOMAIN_EVENT_SUSPENDED_PAUSED)
ret = "Unpaused"; ret = "Paused";
else if (detail == VIR_DOMAIN_EVENT_SUSPENDED_MIGRATED) else if (detail == VIR_DOMAIN_EVENT_SUSPENDED_MIGRATED)
ret = "Migrated"; ret = "Migrated";
break; break;
@ -291,6 +291,8 @@ static void stop(int sig)
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
int sts; int sts;
int callback1ret = -1;
int callback2ret = -1;
struct sigaction action_stop = { struct sigaction action_stop = {
.sa_handler = stop .sa_handler = stop
}; };
@ -320,48 +322,51 @@ int main(int argc, char **argv)
DEBUG0("Registering domain event cbs"); DEBUG0("Registering domain event cbs");
/* Add 2 callbacks to prove this works with more than just one */ /* Add 2 callbacks to prove this works with more than just one */
virConnectDomainEventRegister(dconn, myDomainEventCallback1, callback1ret = virConnectDomainEventRegister(dconn, myDomainEventCallback1,
strdup("callback 1"), myFreeFunc); strdup("callback 1"), myFreeFunc);
virConnectDomainEventRegister(dconn, myDomainEventCallback2, callback2ret = virConnectDomainEventRegister(dconn, myDomainEventCallback2,
strdup("callback 2"), myFreeFunc); strdup("callback 2"), myFreeFunc);
while(run) { if ((callback1ret == 0) && (callback2ret == 0) ) {
struct pollfd pfd = { .fd = h_fd, while(run) {
.events = h_event, struct pollfd pfd = { .fd = h_fd,
.revents = 0}; .events = h_event,
.revents = 0};
sts = poll(&pfd, 1, TIMEOUT_MS); sts = poll(&pfd, 1, TIMEOUT_MS);
/* We are assuming timeout of 0 here - so execute every time */ /* We are assuming timeout of 0 here - so execute every time */
if(t_cb && t_active) if(t_cb && t_active)
t_cb(t_timeout,t_opaque); t_cb(t_timeout,t_opaque);
if (sts == 0) {
/* DEBUG0("Poll timeout"); */
continue;
}
if (sts < 0 ) {
DEBUG0("Poll failed");
continue;
}
if ( pfd.revents & POLLHUP ) {
DEBUG0("Reset by peer");
return -1;
}
if(h_cb) {
h_cb(0,
h_fd,
myPollEventToEventHandleType(pfd.revents & h_event),
h_opaque);
}
if (sts == 0) {
/* DEBUG0("Poll timeout"); */
continue;
}
if (sts < 0 ) {
DEBUG0("Poll failed");
continue;
}
if ( pfd.revents & POLLHUP ) {
DEBUG0("Reset by peer");
return -1;
} }
if(h_cb) { DEBUG0("Deregistering event handlers");
h_cb(0, virConnectDomainEventDeregister(dconn, myDomainEventCallback1);
h_fd, virConnectDomainEventDeregister(dconn, myDomainEventCallback2);
myPollEventToEventHandleType(pfd.revents & h_event),
h_opaque);
}
} }
DEBUG0("Deregistering event handlers");
virConnectDomainEventDeregister(dconn, myDomainEventCallback1);
virConnectDomainEventDeregister(dconn, myDomainEventCallback2);
DEBUG0("Closing connection"); DEBUG0("Closing connection");
if( dconn && virConnectClose(dconn)<0 ) { if( dconn && virConnectClose(dconn)<0 ) {
printf("error closing\n"); printf("error closing\n");