// need to ask for objects... start in order
@Test
public void testGetAllSegmentsFromPipeline() {
Log.info(Log.FAC_TEST, "Starting testGetAllSegmentsFromPipeline");
long received = 0;
byte[] bytes = new byte[1024];
try {
istream = new CCNInputStream(testName, readHandle);
} catch (IOException e1) {
Log.warning(Log.FAC_TEST, "failed to open stream for pipeline test: " + e1.getMessage());
Assert.fail();
}
while (!istream.eof()) {
try {
received += istream.read(bytes);
} catch (IOException e) {
Log.warning(Log.FAC_TEST, "failed to read segments: " + e.getMessage());
Assert.fail();
}
}
Log.info(Log.FAC_TEST, "read " + received + " from stream");
Assert.assertTrue(received == bytesWritten);
Log.info(Log.FAC_TEST, "Completed testGetAllSegmentsFromPipeline");
}
@Override
/**
* Send out a start write request to any listening repositories and wait for a response.
*
* @param name the basename of the stream to start
* @param shape currently ignored - can only be Shape.STREAM
* @throws IOException if there is no response from a repository
*/
public void startWrite(ContentName name, Shape shape) throws IOException {
if (Log.isLoggable(Log.FAC_REPO, Level.INFO))
Log.info(
Log.FAC_REPO,
"RepositoryFlowControl.startWrite called for name {0}, shape {1}",
name,
shape);
Client client = new Client(name, shape);
_clients.add(client);
// A nonce is used because if we tried to write data with the same name more than once, we could
// retrieve the
// the previous answer from the cache, and the repo would never be informed of our start write.
ContentName repoWriteName = new ContentName(name, COMMAND_MARKER_REPO_START_WRITE, NONCE);
Interest writeInterest = new Interest(repoWriteName);
if (localRepo || SystemConfiguration.FC_LOCALREPOSITORY) {
// this is meant to be written to a local repository, not any/multiple connected repos
writeInterest.scope(1);
}
_handle.expressInterest(writeInterest, this);
synchronized (this) {
_writeInterests.add(writeInterest);
}
// Wait for information to be returned from a repo
try {
new Waiter(getTimeout()) {
@Override
protected boolean check(Object o, Object check) throws Exception {
return ((Client) check)._initialized;
}
}.wait(this, client);
} catch (Exception e) {
Log.warning(Log.FAC_REPO, e.getClass() + " : " + e.getMessage());
}
synchronized (this) {
if (!client._initialized) {
_clients.remove();
Log.warning(Log.FAC_REPO, "No response from a repository, cannot add name space : " + name);
throw new IOException("No response from a repository for " + name);
}
}
}
// skip
@Test
public void testSkipWithPipeline() {
Log.info(Log.FAC_TEST, "Starting testSkipWithPipeline");
long received = 0;
byte[] bytes = new byte[100];
boolean skipDone = false;
try {
istream = new CCNInputStream(testName, readHandle);
} catch (IOException e1) {
Log.warning(Log.FAC_TEST, "Failed to get new stream: " + e1.getMessage());
Assert.fail();
}
while (!istream.eof()) {
try {
Log.info(Log.FAC_TEST, "Read so far: " + received);
if (received > 0 && received < 250 && !skipDone) {
// want to skip some segments
istream.skip(100);
skipDone = true;
}
received += istream.read(bytes);
} catch (IOException e) {
Log.info(Log.FAC_TEST, "failed to read segments: " + e.getMessage());
Assert.fail();
}
}
Log.info(Log.FAC_TEST, "read " + received + " from stream");
Assert.assertTrue(received == bytesWritten - 100);
Log.info(Log.FAC_TEST, "Completed testSkipWithPipeline");
}
/**
* Applies policy changes
*
* @param pxml policy data
* @return
* @throws XMLStreamException
*/
public void update(PolicyXML pxml, boolean fromNet) throws RepositoryException {
Log.info(Log.FAC_REPO, "Updating policy");
if (pxml._version == null) throw new RepositoryException("No version in policy file");
if (!pxml._version.equals(POLICY_VERSION)) {
Log.warning(Log.FAC_REPO, "Bad version in policy file: {0}", pxml._version);
throw new RepositoryException("Bad version in policy file");
}
if (null == pxml._localName) throw new RepositoryException("No local name in policy file");
if (fromNet) {
if (!pxml._localName.equals(_pxml.getLocalName())) {
Log.warning(
Log.FAC_REPO, "Repository local name doesn't match: request = {0}", pxml._localName);
throw new RepositoryException("Repository local name doesn't match policy file");
}
} else {
try {
setLocalName(pxml._localName);
} catch (MalformedContentNameStringException e) {
throw new RepositoryException(e.getMessage());
}
}
if (null == pxml._globalPrefix) throw new RepositoryException("No globalPrefix in policy file");
if (fromNet) {
if (!pxml.getGlobalPrefix().equals(_pxml.getGlobalPrefix())) {
Log.warning("Repository globalPrefix doesn't match: request = {0}", pxml._globalPrefix);
throw new RepositoryException("Repository global prefix doesn't match policy file");
}
} else {
_pxml.setGlobalPrefixOnly(pxml._globalPrefix);
}
_pxml.setNamespace(pxml.getNamespace());
if (null != pxml.getNamespace()) {
String message = "";
for (ContentName name : pxml.getNamespace()) {
message += name.toString() + ':';
}
Log.info(Log.FAC_REPO, "Policy has been updated. New namespace is: " + message);
}
}
/**
* Handle responses from CCNNameEnumerator that give us a list of single-component child names.
* Filter out the names new to us, add them to our list of known children, postprocess them with
* processNewChildren(SortedSet<ContentName>), and signal waiters if we have new data.
*
* @param prefix Prefix used for name enumeration.
* @param names The list of names returned in this name enumeration response.
* @return int
*/
public int handleNameEnumerator(ContentName prefix, ArrayList<ContentName> names) {
if (Log.isLoggable(Level.INFO)) {
if (!_enumerating) {
// Right now, just log if we get data out of enumeration, don't drop it on the floor;
// don't want to miss results in case we are started again.
Log.info(
"ENUMERATION STOPPED: but {0} new name enumeration results: our prefix: {1} returned prefix: {2}",
names.size(), _namePrefix, prefix);
} else {
Log.info(
names.size() + " new name enumeration results: our prefix: {0} returned prefix: {1}",
_namePrefix,
prefix);
}
}
if (!prefix.equals(_namePrefix)) {
Log.warning("Returned data doesn't match requested prefix!");
}
Log.info("Handling Name Iteration {0}", prefix);
// the name enumerator hands off names to us, we own it now
// DKS -- want to keep listed as new children we previously had
synchronized (_childLock) {
TreeSet<ContentName> thisRoundNew = new TreeSet<ContentName>();
thisRoundNew.addAll(names);
Iterator<ContentName> it = thisRoundNew.iterator();
while (it.hasNext()) {
ContentName name = it.next();
if (_children.contains(name)) {
it.remove();
}
}
if (!thisRoundNew.isEmpty()) {
if (null != _newChildren) {
_newChildren.addAll(thisRoundNew);
} else {
_newChildren = thisRoundNew;
}
_children.addAll(thisRoundNew);
_lastUpdate = new CCNTime();
if (Log.isLoggable(Level.INFO)) {
Log.info(
"New children found: at {0} "
+ thisRoundNew.size()
+ " total children "
+ _children.size(),
_lastUpdate);
}
processNewChildren(thisRoundNew);
_childLock.notifyAll();
}
}
return 0;
}
@Test
public void testGetFirstDigest() {
Log.info(Log.FAC_TEST, "Starting testGetFirstDigest");
long received = 0;
byte[] bytes = new byte[1024];
try {
istream = new CCNInputStream(testName, readHandle);
} catch (IOException e1) {
Log.warning(Log.FAC_TEST, "failed to open stream for pipeline test: " + e1.getMessage());
Assert.fail();
}
try {
Assert.assertTrue(DataUtils.arrayEquals(firstDigest, istream.getFirstDigest()));
} catch (IOException e3) {
Log.warning(Log.FAC_TEST, "failed to get first digest for pipeline test:");
Assert.fail();
}
try {
istream.close();
} catch (IOException e2) {
Log.warning(Log.FAC_TEST, "failed to close stream for pipeline test: " + e2.getMessage());
Assert.fail();
}
Log.info(Log.FAC_TEST, "start first segment digest " + DataUtils.printBytes(firstDigest));
try {
istream = new CCNInputStream(testName, readHandle);
} catch (IOException e1) {
Log.warning(Log.FAC_TEST, "failed to open stream for pipeline test: " + e1.getMessage());
Assert.fail();
}
while (!istream.eof()) {
try {
received += istream.read(bytes);
} catch (IOException e) {
Log.warning(Log.FAC_TEST, "failed to read segments: " + e.getMessage());
Assert.fail();
}
}
Assert.assertTrue(received == bytesWritten);
try {
Assert.assertTrue(DataUtils.arrayEquals(firstDigest, istream.getFirstDigest()));
} catch (IOException e) {
Log.warning(Log.FAC_TEST, "failed to get first digest after reading in pipeline test:");
Assert.fail();
}
Log.info(Log.FAC_TEST, "end first segment digest " + DataUtils.printBytes(firstDigest));
Log.info(Log.FAC_TEST, "Completed testGetFirstDigest");
}
/** @throws java.lang.Exception */
@BeforeClass
public static void setUpBeforeClass() throws Exception {
Log.warning(
"Warning! This tests bakes in low-level knowledge of versioning/segmentation conventions, and must be updated when they change!");
}
public Interest handleContent(ContentObject result, Interest interest) {
Log.finest(
Log.FAC_TEST, "Interests registered: " + _interests.size() + " content object returned");
// Parameterized behavior that subclasses can override.
ContentName interestName = null;
if (_processedObjects.contains(result)) {
Log.fine(
Log.FAC_TEST,
"FLOSSER: Got repeated content for interest: {0} content: {1}",
interest,
result.name());
} else {
Log.finest(
Log.FAC_TEST,
"FLOSSER: Got new content for interest {0} content name: {1}",
interest,
result.name());
processContent(result);
// update the interest. follow process used by ccnslurp.
// exclude the next component of this object, and set up a
// separate interest to explore its children.
// first, remove the interest from our list as we aren't going to
// reexpress it in exactly the same way
synchronized (_interests) {
for (Entry<ContentName, Interest> entry : _interests.entrySet()) {
if (entry.getValue().equals(interest)) {
interestName = entry.getKey();
_interests.remove(interestName);
break;
}
}
}
int prefixCount = interest.name().count();
// DKS TODO should the count above be count()-1 and this just prefixCount?
if (prefixCount == result.name().count()) {
if (null == interest.exclude()) {
ArrayList<Exclude.Element> excludes = new ArrayList<Exclude.Element>();
excludes.add(new ExcludeComponent(result.digest()));
interest.exclude(new Exclude(excludes));
Log.finest(Log.FAC_TEST, "Creating new exclude filter for interest {0}", interest.name());
} else {
if (interest.exclude().match(result.digest())) {
Log.fine(
Log.FAC_TEST,
"We should have already excluded content digest: "
+ DataUtils.printBytes(result.digest()));
} else {
// Has to be in order...
Log.finest(Log.FAC_TEST, "Adding child component to exclude.");
interest.exclude().add(new byte[][] {result.digest()});
}
}
Log.finer(
Log.FAC_TEST,
"Excluding content digest: "
+ DataUtils.printBytes(result.digest())
+ " onto interest {0} total excluded: "
+ interest.exclude().size(),
interest.name());
} else {
// Add an exclude for the content we just got
// DKS TODO might need to split to matchedComponents like ccnslurp
if (null == interest.exclude()) {
ArrayList<Exclude.Element> excludes = new ArrayList<Exclude.Element>();
excludes.add(new ExcludeComponent(result.name().component(prefixCount)));
interest.exclude(new Exclude(excludes));
Log.finest(Log.FAC_TEST, "Creating new exclude filter for interest {0}", interest.name());
} else {
if (interest.exclude().match(result.name().component(prefixCount))) {
Log.fine(
Log.FAC_TEST,
"We should have already excluded child component: {0}",
ContentName.componentPrintURI(result.name().component(prefixCount)));
} else {
// Has to be in order...
Log.finest(Log.FAC_TEST, "Adding child component to exclude.");
interest.exclude().add(new byte[][] {result.name().component(prefixCount)});
}
}
Log.finer(
Log.FAC_TEST,
"Excluding child "
+ ContentName.componentPrintURI(result.name().component(prefixCount))
+ " total excluded: "
+ interest.exclude().size());
if (_flossSubNamespaces
|| SegmentationProfile.isNotSegmentMarker(result.name().component(prefixCount))) {
ContentName newNamespace = null;
try {
if (interest.name().count() == result.name().count()) {
newNamespace = new ContentName(interest.name(), result.digest());
Log.info(Log.FAC_TEST, "Not adding content exclusion namespace: {0}", newNamespace);
} else {
newNamespace =
new ContentName(
interest.name(), result.name().component(interest.name().count()));
Log.info(Log.FAC_TEST, "Adding new namespace: {0}", newNamespace);
handleNamespace(newNamespace, interest.name());
}
} catch (IOException ioex) {
Log.warning("IOException picking up namespace: {0}", newNamespace);
}
}
}
}
if (null != interest)
synchronized (_interests) {
_interests.put(interest.name(), interest);
}
return interest;
}
protected static void handleException(String message, Exception e) {
Log.warning(message + " Exception: " + e.getClass().getName() + ": " + e.getMessage());
Log.warningStackTrace(e);
}
