Extend events demo to show close callbacks in use

Use a driver close callback to trigger shutdown of the
events demo program

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2012-07-19 15:59:59 +01:00
parent b1029b6f6f
commit 0998cdae70

View File

@ -16,6 +16,8 @@
# define ATTRIBUTE_UNUSED __attribute__((__unused__)) # define ATTRIBUTE_UNUSED __attribute__((__unused__))
#endif #endif
int run = 1;
/* Prototypes */ /* Prototypes */
const char *eventToString(int event); const char *eventToString(int event);
int myEventAddHandleFunc (int fd, int event, int myEventAddHandleFunc (int fd, int event,
@ -39,6 +41,31 @@ void usage(const char *pname);
/* Callback functions */ /* Callback functions */
static void connectClose(virConnectPtr conn ATTRIBUTE_UNUSED,
int reason,
void *opaque ATTRIBUTE_UNUSED)
{
switch (reason) {
case VIR_CONNECT_CLOSE_REASON_ERROR:
fprintf(stderr, "Connection closed due to I/O error\n");
break;
case VIR_CONNECT_CLOSE_REASON_EOF:
fprintf(stderr, "Connection closed due to end of file\n");
break;
case VIR_CONNECT_CLOSE_REASON_KEEPALIVE:
fprintf(stderr, "Connection closed due to keepalive timeout\n");
break;
case VIR_CONNECT_CLOSE_REASON_CLIENT:
fprintf(stderr, "Connection closed due to client request\n");
break;
default:
fprintf(stderr, "Connection closed due to unknown reason\n");
break;
};
run = 0;
}
const char *eventToString(int event) { const char *eventToString(int event) {
const char *ret = ""; const char *ret = "";
switch ((virDomainEventType) event) { switch ((virDomainEventType) event) {
@ -380,7 +407,6 @@ void usage(const char *pname)
printf("%s uri\n", pname); printf("%s uri\n", pname);
} }
int run = 1;
static void stop(int sig) static void stop(int sig)
{ {
@ -426,6 +452,9 @@ int main(int argc, char **argv)
return -1; return -1;
} }
virConnectRegisterCloseCallback(dconn,
connectClose, NULL, NULL);
sigaction(SIGTERM, &action_stop, NULL); sigaction(SIGTERM, &action_stop, NULL);
sigaction(SIGINT, &action_stop, NULL); sigaction(SIGINT, &action_stop, NULL);
@ -513,7 +542,7 @@ int main(int argc, char **argv)
run = 0; run = 0;
} }
while (run && virConnectIsAlive(dconn) == 1) { while (run) {
if (virEventRunDefaultImpl() < 0) { if (virEventRunDefaultImpl() < 0) {
virErrorPtr err = virGetLastError(); virErrorPtr err = virGetLastError();
fprintf(stderr, "Failed to run event loop: %s\n", fprintf(stderr, "Failed to run event loop: %s\n",