libvirt/tests/reconnect.c

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C
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#include <stdio.h>
#include <stdlib.h>
#include <libvirt/libvirt.h>
#include <libvirt/virterror.h>
static void errorHandler(void *userData, virErrorPtr error) {
}
int main(void) {
int id = 0;
int ro = 0;
virConnectPtr conn;
virDomainPtr dom;
virSetErrorFunc(NULL, errorHandler);
conn = virConnectOpen(NULL);
if (conn == NULL) {
ro = 1;
conn = virConnectOpenReadOnly(NULL);
}
if (conn == NULL) {
fprintf(stderr, "First virConnectOpen() failed\n");
exit(1);
}
dom = virDomainLookupByID(conn, id);
if (dom == NULL) {
fprintf(stderr, "First lookup for domain %d failed\n", id);
exit(1);
}
virDomainFree(dom);
virConnectClose(conn);
if (ro == 1)
conn = virConnectOpenReadOnly(NULL);
else
conn = virConnectOpen(NULL);
if (conn == NULL) {
fprintf(stderr, "Second virConnectOpen() failed\n");
exit(1);
}
dom = virDomainLookupByID(conn, id);
if (dom == NULL) {
fprintf(stderr, "Second lookup for domain %d failed\n", id);
exit(1);
}
virDomainFree(dom);
virConnectClose(conn);
printf("OK\n");
exit(0);
}