@Test
public void testStatVFS() throws Exception, VolumeNotFoundException {
final String VOLUME_NAME_1 = "foobar";
client.createVolume(mrcAddress, auth, userCredentials, VOLUME_NAME_1);
Volume volume = client.openVolume(VOLUME_NAME_1, null, options);
StatVFS volumeVFS = volume.statFS(userCredentials);
MRCServiceClient mrcClient = new MRCServiceClient(testEnv.getRpcClient(), null);
StatVFS mrcClientVFS = null;
RPCResponse<StatVFS> resp = null;
try {
statvfsRequest input =
statvfsRequest.newBuilder().setVolumeName(VOLUME_NAME_1).setKnownEtag(0).build();
resp = mrcClient.statvfs(testEnv.getMRCAddress(), auth, userCredentials, input);
mrcClientVFS = resp.get();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (resp != null) {
resp.freeBuffers();
}
}
assertNotNull(volumeVFS);
assertEquals(mrcClientVFS, volumeVFS);
}
@Test
public void testHardLink() throws Exception {
VOLUME_NAME = "testHardLink";
final String ORIG_FILE = "test.txt";
final String LINKED_FILE = "test-link.txt";
final String LINKED_FILE2 = "test-link2.txt";
client.createVolume(
mrcAddress,
auth,
userCredentials,
VOLUME_NAME,
0,
userCredentials.getUsername(),
userCredentials.getGroups(0),
AccessControlPolicyType.ACCESS_CONTROL_POLICY_NULL,
StripingPolicyType.STRIPING_POLICY_RAID0,
defaultStripingPolicy.getStripeSize(),
defaultStripingPolicy.getWidth(),
new ArrayList<KeyValuePair>());
// create file
openResponse open = null;
RPCResponse<openResponse> resp = null;
try {
resp =
mrcClient.open(
testEnv.getMRCAddress(),
auth,
userCredentials,
VOLUME_NAME,
ORIG_FILE,
FileAccessManager.O_CREAT,
0,
0777,
defaultCoordinates);
open = resp.get();
} finally {
if (resp != null) {
resp.freeBuffers();
}
}
assertNotNull(open);
// create link
Volume volume = client.openVolume(VOLUME_NAME, null, options);
volume.link(userCredentials, ORIG_FILE, LINKED_FILE);
open = null;
resp = null;
try {
resp =
mrcClient.open(
testEnv.getMRCAddress(),
auth,
userCredentials,
VOLUME_NAME,
"test-hardlink.txt",
FileAccessManager.O_CREAT,
0,
0,
defaultCoordinates);
open = resp.get();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (resp != null) {
resp.freeBuffers();
}
}
assertNotNull(open);
// check whether both filenames refer to the same file
Stat stat1 = null;
Stat stat2 = null;
RPCResponse<getattrResponse> resp1 = null;
RPCResponse<getattrResponse> resp2 = null;
try {
resp1 =
mrcClient.getattr(
testEnv.getMRCAddress(), auth, userCredentials, VOLUME_NAME, ORIG_FILE, 0);
stat1 = resp1.get().getStbuf();
resp2 =
mrcClient.getattr(
testEnv.getMRCAddress(), auth, userCredentials, VOLUME_NAME, LINKED_FILE, 0);
stat2 = resp2.get().getStbuf();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (resp1 != null) {
resp1.freeBuffers();
}
if (resp2 != null) {
resp.freeBuffers();
}
}
assertNotNull(stat1);
assertNotNull(stat2);
assertEquals(stat1.getIno(), stat1.getIno());
assertEquals(2, stat1.getNlink());
// create another link to the second file
volume.link(userCredentials, LINKED_FILE, LINKED_FILE2);
// check whether both links refer to the same file
stat1 = null;
stat2 = null;
resp1 = null;
resp2 = null;
try {
resp1 =
mrcClient.getattr(
testEnv.getMRCAddress(), auth, userCredentials, VOLUME_NAME, LINKED_FILE, 0);
stat1 = resp1.get().getStbuf();
resp2 =
mrcClient.getattr(
testEnv.getMRCAddress(), auth, userCredentials, VOLUME_NAME, LINKED_FILE2, 0);
stat2 = resp2.get().getStbuf();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (resp1 != null) {
resp1.freeBuffers();
}
if (resp2 != null) {
resp2.freeBuffers();
}
}
assertEquals(stat1.getIno(), stat2.getIno());
assertEquals(3, stat1.getNlink());
// delete one of the links
volume.unlink(userCredentials, LINKED_FILE);
// check whether remaining links refer to the same file
stat1 = null;
stat2 = null;
resp1 = null;
resp2 = null;
try {
resp1 =
mrcClient.getattr(
testEnv.getMRCAddress(), auth, userCredentials, VOLUME_NAME, ORIG_FILE, 0);
stat1 = resp1.get().getStbuf();
resp2 =
mrcClient.getattr(
testEnv.getMRCAddress(), auth, userCredentials, VOLUME_NAME, LINKED_FILE2, 0);
stat2 = resp2.get().getStbuf();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (resp1 != null) {
resp1.freeBuffers();
}
if (resp2 != null) {
resp2.freeBuffers();
}
}
assertEquals(stat1.getIno(), stat2.getIno());
assertEquals(2, stat1.getNlink());
// delete the other two links
volume.unlink(userCredentials, ORIG_FILE);
volume.unlink(userCredentials, LINKED_FILE2);
try {
mrcClient
.getattr(testEnv.getMRCAddress(), auth, userCredentials, VOLUME_NAME, LINKED_FILE2, 0)
.get();
fail("file should not exist anymore");
} catch (Exception exc) {
}
try {
mrcClient
.getattr(testEnv.getMRCAddress(), auth, userCredentials, VOLUME_NAME, ORIG_FILE, 0)
.get();
fail("file should not exist anymore");
} catch (Exception exc) {
}
//
// // create two links to a directory
// invokeSync(client.mkdir(mrcAddress, RPCAuthentication.authNone, uc,
// volumeName, "testDir1", 0));
// try {
// invokeSync(client.link(mrcAddress, RPCAuthentication.authNone, uc,
// volumeName, "testDir1",
// "testDir1/testDir2"));
// fail("links to directories should not be allowed");
// } catch (Exception exc) {
// }
// }
//
}