libvirt/tests/reconnect.c

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#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/utsname.h>
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#include "internal.h"
#include "testutils.h"
#include "command.h"
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static void errorHandler(void *userData ATTRIBUTE_UNUSED,
virErrorPtr error ATTRIBUTE_UNUSED) {
}
static int
mymain(void)
{
int id = 0;
int ro = 0;
virConnectPtr conn;
virDomainPtr dom;
int status;
virCommandPtr cmd;
struct utsname ut;
/* Skip test if xend is not running. Calling xend on a non-xen
kernel causes some versions of xend to issue a crash report, so
we first probe uname results. */
uname(&ut);
if (strstr(ut.release, "xen") == NULL)
return EXIT_AM_SKIP;
cmd = virCommandNewArgList("/usr/sbin/xend", "status", NULL);
if (virCommandRun(cmd, &status) != 0 || status != 0) {
virCommandFree(cmd);
return EXIT_AM_SKIP;
}
virCommandFree(cmd);
virSetErrorFunc(NULL, errorHandler);
conn = virConnectOpen(NULL);
if (conn == NULL) {
ro = 1;
conn = virConnectOpenReadOnly(NULL);
}
if (conn == NULL) {
fprintf(stderr, "First virConnectOpen() failed\n");
return EXIT_FAILURE;
}
dom = virDomainLookupByID(conn, id);
if (dom == NULL) {
fprintf(stderr, "First lookup for domain %d failed\n", id);
return EXIT_FAILURE;
}
virDomainFree(dom);
virConnectClose(conn);
if (ro == 1)
conn = virConnectOpenReadOnly(NULL);
else
conn = virConnectOpen(NULL);
if (conn == NULL) {
fprintf(stderr, "Second virConnectOpen() failed\n");
return EXIT_FAILURE;
}
dom = virDomainLookupByID(conn, id);
if (dom == NULL) {
fprintf(stderr, "Second lookup for domain %d failed\n", id);
return EXIT_FAILURE;
}
virDomainFree(dom);
virConnectClose(conn);
return EXIT_SUCCESS;
}
VIRT_TEST_MAIN(mymain)