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NEWS
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Changes between 0.3.0 and 0.4.0:
--------------------------------
This highlights some important changes since the most recent numbered release.
Refer to http://www.ccnx.org/redmine/ for more details.
* The 'ping' responder in ccnd is deprecated. For compatibility, it is still
present by default, but further use should be phased out. The libraries
have been changed to use local service discovery instead. The java option
"org.ccnx.ping.timeout" is replaced by "org.ccnx.ccndid.timeout".
(100187, 100188, 100189)
* Responsibility for key saving has been shifted from the client library to
repo. The Java API did not change but, as the result of a protocol change,
the new library is not compatible with the old repo. (100288)
* The Java library now uses TCP to communicate with ccnd, rather than UDP,
to avoid problems and inefficiencies caused by UPD packet drops. (100078)
* An explicit lifetime element has been added to Interest messages in order
to give applications control of their timeouts. (100127)
* FlowControl addNameSpace is now logged at info in the constructor. (100180)
* ContentObjects are now created earlier to improve throughput by more
efficiently balancing tasks between different threads. (100197)
* Performance of writes has been improved by avoiding copies when the
application is only calling write with integral multiples of the segment
size. (100206)
* The ccnseqwriter command has been installed and documented. (100227)
* The traffic meters in the ccnd status display have been improved by
metering activity in both directions, splitting out by content/interest,
and showing rates as well as totals. (100256)
* Android ccnChat uses a multicast interface by default, which does not work
well in the emulator. To address this, an option to use a point-to-point
face has been added to the configuration screen. (100267)
* A sequence number has been added to each packet, encoded so that it is
distinguishable from interest and content packets, that allows the
receiving side to detect missing packets. (100275)
* The CommonOutput doPut() method now returns the version written so command
line utilities know the version name just created. In addition, logging in
the while() loop in do_write has been isolated for improved performance.
(100276)
* java.library.path and -Xcheck:jni are now forwarded to daemon (100279)
* Stream access for CCN segments has been added to the C library. (100283)
* Support was added to the library for splitting an interest when the
exclusion list gets too big. (100290)
* The ccncat command was converted to use the ccn_fetch library in order to
take advantage of pipelining. (100291)
* Efficiency of flow controller was improved with more fine grained locking.
(100299)
* Counters were added to the CCNNetworkManager to facilitate debugging.
(100300)
* stats and clearstats signals were added to Repo. (100302)
* A categorized statistics interface was added. (100306)
* The efficiency of getRegisteredPrefix was improved. (100309)
* An example of ccnb encoding of a data packet payload in Java was created.
(100312)
* The KeyDirectory class was split into a KeyDirectory base class and a
PrincipalKeyDirectory subclass to make the KeyDirectory structure
available for purposes other than Access Control. (100316)
* The HTTP proxy demo code was added. (100322)
* The performance of ContentName.fromURI() was improved. (100323)
* Facility-based logStackTrace and logException methods were added. (100326)
* Additional tests were added to verify that the InterestListener continues
to auto-refresh the interest even when an InterestFilter for the same exact
name as the InterestListener is closed on the same handle. (100327)
* Performance was improved for ContentName.componentParseURI(). (100331)
* A StatusResponse message type was added to allow such things as an error
response for prefix registrations. (100341)
* CCN_FORW_TAP was added to repo prefix registration. (100342)
* Repo no longer unnecessarily uses multiple Interest handlers. (100343)
* Implemented more useful interactions between forwarding flags. In
particular, the definition of CCN_FORW_TAP includes the provision that it
is not subject to capture, and flags that have an effect on the prefix as a
whole (including CCN_FORW_CAPTURE) do not change behavior depending on the
setting of CCN_FORW_ACTIVE. (100345)
* Synchronization in InterestTable was improved. (100353)
* CCNNetworkManager was updated to limit thread creation for handlers.
(100354)
* The following enhancements were made to ccntestloop: (100356)
- Accumulate testout directories outside of javasrc
- Read config via script
- Handle start/stop/restart/status verbs
- All output to files (when using start verb)
- Handle kill better
- Record pid
- Allow configuration of port range
* Instances of ccnd are now allocated dynamically to allow more testing
flexibility. (100363)
* The log command in utilities now sets the level for all facilities.
(100364)
* Java interest handling code now has a log facility. (100366)
* A Java library routine that sets the ccnd caches stale has been created to
ensure that readbacks are actually from repo and not from the cache.
(100367)
* Logging between CCNNetworkManagers and CCNNetworkChannel has been made
unique. Note that there is no relationship between CCNNetworkManager ids
and Channel ids. (100432)
* openssl for Android builds are now based on 1.0.0d. (100438)
* ccnChat was updated to publish its keys under the chat channel namespace.
(100439)
* A testing framework was added to make assertions in child threads
catchable. (100454)
* ccnd is now able to sense the presence of other end (i.e., to distinguish
between loss of connection and simple lack of incoming data). (100461)
* Added a junit to check that prefixes are as expected in the FIB when
doing localRepoSync. (100464)
* [Support] Instructions in the README for ccnchat were enhanced. (100338)
* [Support] Description of forwarding flags used in
ccn_set_interest_filter_with_flags (100467)
* Issues Resolved:
* Bug 100091 Long running java applications can't recover from ccnd restart
* Bug 100094 infinite loop building wireshark plugin
* Bug 100196 SecureKeyCache debug output incorrectly describes output
* Bug 100199 Incorrect values of DEFAULT_DIGEST_LENGTH
* Bug 100201 Missing man(1) pages
* Bug 100205 make "test-alone" target less dependent on name resolution
* Bug 100209 Too much processing of interests in repo
* Bug 100219 make test for csrc fails if CCN_LOCAL_PORT is set
* Bug 100241 ccnd answers success before tcp connection completes
* Bug 100247 ccnchat -text should exit on end-of-file
* Bug 100253 Storing getopt() result as char instead of int
* Bug 100254 KeyManager reports "initialization of BouncyCastle provider
did not proceed properly"
* Bug 100255 Typo in doc/technical/InterestMessage.txt
* Bug 100257 Error messages from ccndc are inscrutable
* Bug 100258 ccndc should honor CCNX_DIR for locating keystore
* Bug 100259 Code to avoid double syncs doesn't actually avoid double syncs
* Bug 100260 Metadata profile getLatestVersion
* Bug 100262 Do not default to 224.0.23.170:9695 for multicast
* Bug 100264 ccndstatus shift bug
* Bug 100265 Clean build fails on android
* Bug 100266 ccn_ccnbtoxml fails to detect unreasonable attr/blob length
* Bug 100268 Null fault in ccn_parse_interest
* Bug 100269 CCNx Java library should not use Log.severe unless it's
reporting a severe problem.
* Bug 100270 CommandMarker.binaryArgumentStart duplicates work if it fails
* Bug 100271 Fix some small inefficiencies in ContentName and DataUtils
* Bug 100272 reduce calls to count() in InterestTable.compareTo
* Bug 100274 Remove ccnd_internal_client_reschedule()
* Bug 100277 ccnbx usage inconsistent
* Bug 100278 Cleanup PlatformTest junit
* Bug 100280 repo version information should be separate from the DB
* Bug 100281 repo should not extend CCNHandle for internal gets
* Bug 100284 ccnchat no longer builds on Mac OS X 10.5
* Bug 100285 LinkObjectTestRepo can pull wrong data
* Bug 100286 Some net manager related routines still don't use isLoggable
* Bug 100287 Repo should check for command markers more efficiently
* Bug 100292 Null fault in handle_prefix_reg_reply()
* Bug 100293 latest version test can fail intermittently
* Bug 100294 wireshark plugin uses wrong FT/BASE combination for signature
field
* Bug 100296 MLAC distinguishing hashes are different for same name
* Bug 100298 prefix registration timing error
* Bug 100303 ccn_fetch code needs to deal with non-fixed block streams
* Bug 100304 ccnd notice.txt responder needs to start even if interest has
CCN_AOK_NEW unset
* Bug 100305 Signed BigInteger in VersioningProfile problems
* Bug 100307 VersionNumber uses Arrays.copyOf
* Bug 100310 Adjust log level of message that says javalib is using TCP
* Bug 100314 Races in csrc test scripts
* Bug 100317 Format string error in ccn_fetch.c
* Bug 100318 ccncat loops if ccnd is shut down
* Bug 100319 Standard tests run test.profiles.ccnd tests twice
* Bug 100320 TreeSet6 init problem
* Bug 100324 Incorrect synchronization in CCNNetworkObjectTest causes
random errors
* Bug 100325 Log.getLevels array copy
* Bug 100329 Make ccnd + apps runnable inside a FreeBSD jail
* Bug 100330 Add CCND_LISTEN_ON to export list in ccndstart script
* Bug 100334 const error in ccn_fetch.c
* Bug 100335 InterestEndToEndUsingPrefixTest has bad sycnchronization
* Bug 100337 Set _localPort correctly in CCNNetworkManager to avoid
bogus messages
* Bug 100339 Test for repo sync can fail intermittently
* Bug 100340 repo NE responses
* Bug 100344 Looping on some java platforms
* Bug 100346 org.ccnx.ccn.test.protocol.ContentNameTest takes too long
* Bug 100347 repo sync doesn't sync linked keys correctly
* Bug 100348 NetFetch should not use fields not in Solaris
* Bug 100350 CCNNetworkManager setupTimers should be synchronized
* Bug 100351 Interest table creates unnecessary objects
* Bug 100352 CCNNetworkManager should log when it throws away a
ContentObject
* Bug 100357 Close file handles
* Bug 100359 CCNx Access Control Specification missing
* Bug 100360 Useless code in Daemon.java
* Bug 100362 test_spur_traffic fails on Solaris when ipv6 is enabled
* Bug 100365 Code cleanup for profiles.versioning
* Bug 100368 test_scope2 failures
* Bug 100369 Incorrect throw in CCNNetworkChannel causes compile error
* Bug 100370 Access control tests fail after KeyDirectory refactoring
* Bug 100373 NetworkKeyManager duplicates _handle
* Bug 100375 null value in CryptoUtil.java
* Bug 100377 FaceManager.FaceInstance.toFormattedString incorrect
* Bug 100378 CCNNetworkChannel uses improper synchronization on Boolean
* Bug 100379 ACLTable uses new Boolean(...)
* Bug 100383 Rationalize line endings in sources
* Bug 100384 HttpProxy only builds with native openssl
* Bug 100386 ccnputfile reports "Cannot read file."
* Bug 100387 Compilation warnings on Ubuntu Linux
* Bug 100388 CCNx-Android-Services is missing default.properties
* Bug 100389 Cleanup code in profiles.ccnd
* Bug 100390 CCNxWrapper needs locking
* Bug 100391 Error in InterestEndToEndUsingPrefixTest leads to intermittent
failures
* Bug 100392 Unnecessary floating point calculations in MerkleTree
* Bug 100393 LogStructRepoStore synchronizes on Integer
* Bug 100395 CCNNetworkObject improper finalize
* Bug 100398 Remove deadlocks from VersioningInterest
* Bug 100399 CCNHandle uses broken double-checked lock
* Bug 100401 CCNFlowController.UnmatchedInterest should be static
* Bug 100402 Various Repo inner classes should be static
* Bug 100403 CCNAbstractInputStream$IncomingSegment should be static
* Bug 100404 CCNNetworkManager uses wait without a loop
* Bug 100405 SystemConfiguration circular initialization with Log
* Bug 100408 InputStreams should use the default verifier
* Bug 100412 CCNAbstractInputStream locking
* Bug 100414 CCNNetworkManager uses improper synchronization on Boolean
* Bug 100415 CCNAbstractInputStream - wrong ContentObject in matching
interest check
* Bug 100416 InputStreams do not verify all incoming content
* Bug 100418 CCNNetworkManager getRegisteredPrefix can miss direct prefixes
* Bug 100419 CCNNetworkChannel needs to close ReadSelector
* Bug 100420 PrefixRegistrationManager needs to protect against subclassed
ContentName
* Bug 100421 Logging in PublicKeyCache does not use facilities
* Bug 100422 Self-registration should be allowed from a DC face
* Bug 100423 Intermittent failures in RepoIOTest testLocalSyncInputStream
* Bug 100424 Track VLC change for access_t psz_path/psz_location fields
* Bug 100425 Android startup slow
* Bug 100429 Parameterized logging fails when parameter is at the start of
the string
* Bug 100430 Android CCNxServiceControl has problem with async startup
* Bug 100431 CCNNetworkChannel and no ccnd
* Bug 100433 Rationalize treatment of apps by top-level Makefile
* Bug 100434 FaceManager not prepared for StatusResponse in place of
FaceInstance
* Bug 100435 CCNHandle should not create new NetworkManager
* Bug 100437 Calling CCNHandle.getHandle() results in 2 CCNHandles and 2
Network Managers being created
* Bug 100440 Intermittent error in LastSegmentTest
* Bug 100444 reset processing segment if content object is dropped
* Bug 100447 Daemon start needs to pass java.library.path to daemon
* Bug 100448 Inefficient coding in InterestTable
* Bug 100449 null pointer in delivery thread for CCNAbstractInputStream
* Bug 100450 Incorrect use of wait in tests
* Bug 100451 LocalCopyWrapper potential deadlocks
* Bug 100452 vlc plugin compilation on ubuntu 10.04 x64 fails
* Bug 100453 RepositoryFlowController condition variable
* Bug 100455 CCNFlowControlTest should use ThreadAssertionRunner
* Bug 100458 Remove dead code from RepositoryFlowControl
* Bug 100460 Cleanup of Waiter
* Bug 100463 CCNFlowControl shouldn't sync on unmatchedInterests
* Bug 100465 Access control tests fail with handle problems
* Bug 100466 BasicKeyManager should recreate its handle when needed
* Bug 100468 Preserve real git status in gitwrap
* Bug 100469 file input stream skip and seek cause pipelining errors
* Bug 100473 wireshark plugin does not work with tcp
* Bug 100476 Mac OS X build fails using gcc4.2.1+Mac OS X Kernel10.7.3+
fink on linker stage of csrc
* Bug 100479 RepoIOTest saves default key to repo incorrectly
Changes between 0.2.0 and 0.3.0:
--------------------------------
* Android support. This release includes support for Android 2.1 platform
development. (100246)
* Self-registration protocol. This functionality allows clients to register
the prefixes for interests they wish to receive. (100071, 100072, 100073)
The old form of self-registration (operating on the prefix
ccnx:/ccnx/reg/self) has been removed. (100114)
* Prefix registration on incoming connections. For a ccnd to act as a hub
(as in a hub-and-spoke configuration) there needs to be a way to get prefix
registration on incoming connections. Eventually, routing agents will
perform this operation. This implementation retains the 'flooding' behavior
of earlier releases for selected prefixes. NOTE: this requires explicit
additional configuration via CCND_AUTOREG setting. (100225)
* ccnd_destroy(). This functionality provides improved flexibility beyond
exit() to free up all resources. (100051)
* destroyface(). Implementation of the previously documented functionality.
(100068)
* ccnChat improvements:
* This release changes ccnchat() to display user friendly names instead
of partial key digest (100214).
* ccnchat is refactored to be re-usable, called from the ccnChat.java GUI
and the ccnChatNet.java module. It is also available on the command line:
bin/ccnchat -text namespace
(100234).
* ccnchat now verifies the first packet: if verification fails, it rejects
that version and looks for a later one. (100163)
* Performance improvements in CCNNetworkObject. This release includes a
revamp of the network objects including a few major API changes (100088):
* Write constructors create flow controllers at construction time, leaving
lazy creation for read constructors. Write constructors make/take a FC
start listening for interests for their base name immediately (if they
know it)
* The repository is the default behavior for network objects, rather than
"raw".
* Support a customized DTAG dictionary. This release changes the
ccn_ccnbtoxml and ccn_xmltoccnb tools so that a customized dictionary could
be provided at runtime; this enables the tools to be used for protocols
that live outside of the CCNx base. (100129)
* Key naming. This release defines the KeyProfile (100055) and uses it for
key ids, guids, and other component types (100131). This change is
incompatible with existing header naming; backward compatibility is enabled
by default.
* Still-pending interests behavior. This release changes how ccnd keeps track
of the outbound faces for an interest. In the new representation,
pe->outbound is kept in send order instead of the reverse, and the new
index pe->sent is advanced as the faces are used. This leaves a trail of
the faces that have been used already, giving more flexibility in altering
the outbound list to the right of pe->sent. (100103)
* Repository publishes public key. Any app that wants to depend on name
enumeration, checked writes, etc, needs to be able to validate who a
repository is. This release includes publishing the repository key using
localhost key discovery, making it easier to configure where the repository
publishes its key. (100144)
* javax.xml streams. Removed as many dependencies as possible such that their
use is isolated to the text xml encoder/decoder. (100053)
* Access control to stream/object encryption. The access control system
allows you to assign keys to content/recipients, and automatically retrieve
keys. In this release, the output and input streams (and the network
objects that use them) retrieve keys and automatically encrypt content.
(100063)
* Bulk import to repo. This release supports bulk importing of a sequence of
content objects (data) from a file in a single operation. The file must
contain content objects in wire format. The repository can incorporate the
file as a new storage file directly if that is compatible with its store
format. (100210)
* Local repo save and save-type override. This release supports objects and
streams to be written to a local (same device) repo (100213). In addition,
it implements an environment variable to allow objects to be saved in a
local repository even if they were generically coded to be written to
any/multiple repos (100223).
* Localhost tcp peers considered friendly. Now ccnd considers tcp connections
from localhost to be "friendly" and only considers incoming localhost udp
traffic to be "friendly" if it starts out with a heartbeat packet. (100120)
* Next-neighbor scope. For applications that want to be assured that they are
communicating only with immediately neighboring machines, this release
defines a new allowed Scope value in the interests. (Scope = 2) (100123)
* EnumeratedNameList methods. This release includes methods to replace
deprecated methods in EnumeratedNameList. (100230)
* Capture-prefix flag. In the FIB, if a shorter registration has the
CCN_FORW_CHILD_INHERIT set, a registration for a longer match can't be used
to prevent the interest from being propagated. This release includes a flag
that can be applied on the longer prefix to override the effect of
CHILD_INHERIT on the shorted prefixes. (100116)
* Prefix registration using a ContentName. In this release, the
PrefixRegistrationManager accepts a ContentName object for the prefix to
register in addition to a URI encoded string. (100186)
* Multicast traffic. ccnd is now able to set up multicast using the standard
ccnd socket. This involved changing the way ccnd keeps track of the sending
side when the multicast cannot be done using a single socket. Instead of
keeping 2 fds per face, ccnd now keeps 1 fd and a faceid to be used for
datagram sends. Because the faceids are never reused, the bookkeeping
becomes simpler.
A user-visible side effect of this is that there are now
faces visible in the status display that are not used for ccnx traffic.
These represent the stream listeners and the datagram sockets that are
shared among other faces. They carry the face flag CCN_FACE_PASSIVE.
(100135)
* Timeouts. Timeouts are now settable for situations which may require longer
than usual timeouts. (100153)
* Key cache. You can set a variable to control whether or not to save/load
the key cache. This variable is set to false by default. (100154)
* ccn directory location. libccn now uses the CCNX_DIR environment variable.
(100026)
* Compatibility with openssl-1.0.0beta4 and following. ccn is now compatible
with the STACK_OF macro and related changes in the OpenSSL code. (100095)
* Local service discovery protocol. This release introduces the
CCN_FORW_LOCAL forwarding flag. The presence of this flag in a FIB entry
marks the namespace as local to the host (more specifically, to apps
directly connected to the ccnd in question). This is in support of
implementing a host-local namespace useful for local service discovery.
The ccnd does its best to make sure that content within such a namespace
comes only from local apps, and is delivered only to local apps.
There is one known flaw in the current implementation, namely that an
off-machine attacker could cause a stale content object in the local
space to become fresh again. To do this, the attacker would have to
already have a copy of the C.O., which was supposed to be machine-local.
Thus there must also be some collusion going on for this to happen.
(100134)
* Logging changes. This release includes a number of changes to logging
configuration and content:
* Log messages use the facility name for the logger name instead of
org.ccnx.ccn.CCNHandle for everything. This change makes it easier to
find specific facility related messages in large log files. The
DEFAULT_APPLICATION_CLASS must be a prefix in the Logging namespace of
the other loggers so that they inherit the handlers added to it. (100185)
* ccntestloop now keeps logs for failed runs and the last few successes,
and deletes the rest. (100220)
* This release allows you to reduce the number of messages produced by
ccndstart.sh: specify CND_LOG for ccndstart so ccndstart will discard
messages about stuffing the cache. (100069)
* Stream open/close events are now logged. (100181)
* FAC_USERxx facility names include more complete logging. (100183)
* Many small bug fixes to address issues with tests.
* Clarity and documentation: The RepositoryDataListener method and variable
names better reflect the current functionality (100216); there is now a
manpage entry for ccndstatus (100232).
* Interests. Bugs fixed for interest handling behavior include:
* Repo generating new responses to ccnls interests (100102)
* Java library sending explicit AnswerOriginKind in interests, using the
default value (100106)
* Change default behavior for ccnput command to wait for interest (100117)
* ccnd occasionally retransmits interest (spurious interest re-expression
fixed) (100121)
* ccnd can occasionally fail to remove interests from prefix table
(100226)
* Pipeline fixes. The release includes the following fixes in the area of
pipelining data segments:
* MetadataProfile getLatestVersion() will no longer append a version based
on the current time if there is no version found in the network in the
passed-in timeout (100233)
* Pipeline code sent the first segment interest when version was not known
yet (100141)
* Pipelining initialization problem: Some timing circumstances caused
pipelining to hang (100194)
* Repo pipelining now issues new interest before processing received
content
failed verification and advancing the pipeline (100221)
* Streaming fixes. The release includes the following fixes in the area of
streaming data:
* CCNAbstractInputStream now uses Long instead of String for readerReady
(100204)
* NullOutputStream now provides byte string methods to reduce call
overhead (100212)
* Input streams now call close() and close() shuts down pipelining and
closes any headers that might be retrieved (or attempted). (100235)
* ccn_resolve_version(). The exclude filter is now fixed to always return the
highest version; ccn_resolve_version() returns quickly if a version is
already present.
* Repo FreshnessSeconds. This release increases the FreshnessSeconds on
repository startWrite() response to 12 sec from 1 sec so transactional data
are not held for a long time in ccnd. (100139)
* Issues Resolved:
* Bug #100012 java ContentObject code calculates digest on content only
* Bug #100018 content explorer takes exception when there is no repo
* Bug #100044 ccnget -c returns incorrect status
* Bug #100061 ccnd Exclude processing needs performance improvement
* Bug #100066 unsolicited content should not cause ccnd to toss good
content
* Bug #100074 ccn_initkeystore.sh fails if $USER is not set
* Bug #100076 Use of $$ in csrc/tests/test-* considered harmful
* Bug #100085 ccnchat doesn't work with java 1.5 by default
* Bug #100090 Java ContentType definition for ENCR does not match the one
in ccn.h
* Bug #100093 seg fault in ccndc
* Bug #100098 ccnchat gets illegalArgumentException for empty line
* Bug #100099 Implement unreg action in ccnd - unregister prefix
* Bug #100108 Some system loggers can't handle log parameters
* Bug #100109 Java prefix registration should not use interest nonces
* Bug #100110 ccnd blocks when attempting a connect
* Bug #100113 ccnd does not allow clearing of flags in FIB
* Bug #100124 Logging can cause repository to deadlock
* Bug #100126 Java header creation inconsistent with ccnx.xsd header schema
* Bug #100130 ccnsendchunks / ccncatchunks block size problems
* Bug #100136 Nonce-based interest suppression in ccd is incomplete
* Bug #100137 The handling of responses from the ccnd internal client does
not cope with multiple messages in the buffer, causing them
to be discarded.
* Bug #100151 All Repo related logging should use FAC_REPO
* Bug #100176 EnumeratedNameList.getNewData only gets data once
* Bug #100179 ServiceKeyDiscoveryTest hardwires data writing into "."
* Bug #100184 getLatestVersion resets the attempt time
* Bug #100191 Java ForwardingEntry object validation is incorrect
* Bug #100200 The constructor for PublisherPublicKeyDigest(String) should
raise an exception if the string is not a proper base64Binary
encoding. Both that and the PublisherPublicKeyDigest(byte [])
constructor should probably raise an exception if the input
is too long, rather than silently truncating.
* Bug #100208 It is possible for WaitForPutDrain to go into an endless loop
rather than throwing an exception when the buffer hasn't been
drained correctly.
* Bug #100231 Fix ccndc delete command to correctly remove prefix
registration rather than attempting to destroy a face.
* Bug #100240 Java library missing some forwarding flag definitions
* Bug #100244 CCNNetworkManager code should log using FAC_NETMANAGER
facility
* Bug #100252 Reduce number of writing threads in network manager
Changes between 0.1.2 and 0.2.0:
--------------------------------
NOTE: 0.2.0 introduces some changes to the core CCNx protocol, most notably
a change in the definition of ephemeral digests.
* The implicit digest component used as the last component in the
name of a ContentObject, used in Links and Exclude filters,
now use the digest of the entire encoded ContentObject, rather than
merely the digest of the CO's content field. This allows exclusion of inadvertent or
malicious traffic with the same name and content but different signing information
from the intended traffic. Described in doc/technical/DigestComponent.txt
* Removed dependency on javax.xml.streams. Replaced with stream-based XML Pull
parser as implemented in the kXML library (http://kxml.sourceforge.net/).
This removes the JDK 1.5-specific requirement for JSR 173 jars; JDK 1.5 users
can delete jsr173.jar and jsr173_ri.jar from their lib directories.
* Repositories now have their own key pairs, rather than using the user's default
key. This will enable policy-related communication with the repo and more
sophisticated, multi-repository name enumeration protocols.
* Implementation of the registration protocol, which allows clients to register
with ccnd the prefixes for Interests they wish to receive, is well under way
(see issues #100071, #100072, #100073). Until this code is stable, we will
retain the default Interest flooding behavior.
* Initial version of Java-based registration control client, ccndcontrol, analogous
to ccndc.
* Added new ccnFileProxy application, and start script bin/ccnfileproxy; this
proxies a specified portion of local file space to CCNx. Note that the proxy currently
does not respect access controls, and will make all files it can read available.
* Logging cleanups and improvements throughout.
* Bump CCN_API_VERSION to 2000.
* Make a more palatable C API for signing content objects; see ccn_sign_content(...).
* Fix -v handling for ccnputfile.
* Remove troublesome uses of $$ in csrc/tests/test_* (Bug #100076)
* Fix ccn_initkeystore.sh to not rely on $USER. Use the id command instead.
* Start to make configuration settings more robust to platform variations; improved
options for controlling KEYSTORE_DIRECTORY, CCN_DIR and username.
* Fix ccnd to verify the signatures in face management and registration requests.
* Added a C library mechanism for obtaining ccndid, needed by self-registration.
* Allow ccndsmoketest to send zero-length datagrams if so instructed.
* Remove unused ccn_signed_info_create_default() from API.
* Add vlc parameters to control:
ccn-fifo-maxblocks -- the maximum number of blocks held in the FIFO
ccn-fifo-blocksize -- the size of blocks queued in the FIFO
* Improved vlc plugin to use data prefetching, and attempt reconnection when
disconnected from ccnd.
* Make the XML jar file a property so it can be overriden on the command
line if using different library.
* Cleanup, bug fixes and additional tests for access control code.
* Many small bugfixes to address issues with tests.
* Issues Resolved:
* Feature #100010 Change implicit digest component
* Bug #100012 java ContentObject code calculates digest on content only
* Bug #100020 repo policy files should be able to span multiple ContentObjects
* Bug #100022 hashtb.c needs the delayed finalization case to be implemented
Was included in 0.1.2.
* Bug #100031 ccnd should check for AF_UNIX
* Bug #100034 CCNWriter doesn't take preexisting Interests
* Bug #100048 perror calls in ccnd should use ccnd_msg instead
* Bug #100050 Refactor ccnd for improved flexibility in file locations and logging
Added CCN_LOCAL_SOCKNAME and CCND_KEYSTORE_DIRECTORY variables.
* Feature #100050 Refactor ccnd for improved flexibility in file locations and logging
* Feature #100053 remove dependency on javax.xml streams
* Feature #100054 repository needs its own keys
* Feature #100066 unsolicited content should not cause ccnd to toss good content
* Feature #100067 Refactor ccnd keystore directory
* Feature #100068 Implement destroyface in ccnd
* Feature #100069 make ccndstart.sh less chatty
* Feature #100071 Self-registration protocol in ccnd
* Bug #100076 Use of $$ in csrc/tests/test-* considered harmful
* Bug #100077 Please write some more code here (reduced debugging output)
* Bug #100079 ccnputfile does not write any segments for zero-length files
* Bug #100083 ccnd not listening to both ipv4 and ipv6 tcp addresses on Linux
Known issues:
* intermittent Java test failures, usually around failure to retrieve
segments; there is work in process that we expect will
fix most of these
* intermittent failures of the C test test_destroyface
* intermittent JVM crashes on Java 1.5 on OSX Leopard
* the default ant/jUnit on Solaris 11 doesn't work; you need to
copy over the ant-junit.jar from /usr/grails/1.0.3/ant/lib/ant-junit.jar
to /usr/share/lib/ant/ant-junit.jar
Changes between 0.1.1 and 0.1.2:
--------------------------------
NOTE: ccnChat will not inter-operate with older versions due to fix for #100030.
* Changes to crypto implementation for compatibility with older versions of
BouncyCastle and configurations with varied crypto support. Also improved
handling of crypto providers.
* Added stopall argument to ccn_repo command to stop all running repos on
machine.
* Turned off ccnd message about heartbeats by default (use CCND_DEBUG=128 to
get these messages back).
* Fixed ccnput to allow name components after the version marker, generate
FinalBlockID where appropriate.
* Added support for file segmentation convention to ccncatchunks2.
* Centralized timeout definitions in Java library to SystemConfiguration.
* Improved VLC plugin, incl. using name "ccnx", supporting versioned files.
* Small improvements to ContentExplorer such as option to save a
file to filesystem.
* Enlarged time scale for C test_scale to reduce chance of spurious failure.
* Added scripts for running experiments with content distribution.
* Handle null return from readLine for binary decoding in Java library
(#100025).
* Improvements to CCNFilterListener support in Java library (#100027).
* Improvements to repo performance (#100017)
* Issues Resolved:
* Bug #100009 Repository makes duplicate data requests.
* Bug #100014 Update code to use IANA allocated port.
Replaced temporary port number with registered ccnx port
number 9695. See http://www.iana.org/assignments/port-numbers
* Bug #100015 ccndc only processes last command in config file.
* Bug #100016 Repo should not process each piece of content as a
potential policy update.
* Bug #100019 Incorrect marker byte used for enumeration, repo protocols.
* Bug #100021 Repo should have a simple way to specify prefix on startup.
* Bug #100023 c tests minsuffix and contenthash failing.
* Bug #100024 BasicKeyManager passes null to generateConfigurationException.
* Bug #100030 ccnChat/default network string shouldn't use Java
serialization. Converted Java CCNStringObject to use UTF-8
string encoding.
* Bug #100039 ccn.h should have an API version identifier.
* Introduce Java ContentEncodingException and use IOException rather than
using XMLStreamException widely.
* Bug fixes and additional tests for AccessControlManager.
* Bug fixes for name enumeration.
* Improvement of internal state handling in BloomFilter.java.
* Adjustments to logging level of some Java tests.
* Reorganization of some Java tests to help track down intermittent failures.
* ContentExplorer checks for presence of VLC plugin.
* Bug fixes for Java test CCNNetworkObjectTestRepo.
* Build fixes for Mac OS X 10.6
* Added optimization for Java network objects based on immutable values.
* Fixed broken parameter check in ccndc.
* Merged specifications of infinite timeout values for Java API.
* Improvements to Java CCNFlowControl and creation of simple in-memory server
to serve keys.
* Improved exception handling for Java network objects.
* Cleaned up XML handling for repo policy files.
* Added new support for local repo write unit tests.
* Eliminated timersub from signbenchtest.c for portability.
* Improved interest reexpression in Java library.
* Minor refinements to Java log messages.
* Revisions to Java documentation.
* Minor improvements to C library.
Changes between 0.1.0 and 0.1.1:
--------------------------------
* Fixed timing window bug in RepositoryFlowControl affecting repository writing.
* Minor improvements to logging in Java library.
* Minor changes in build/packaging, Java import list.
* Fixed varargs handling in C library for C99 compliance and to fix operation on
FreeBSD/amd64.
* Auto-generated documentation has been improved, particularly in some Java classes.
* ccncatchunks2 now produces a summary output.
* org.ccnx.ccn.profiles.access.AccessControlProfile.principalInfoToNameComponent now
takes a PrincipalInfo object as input rather than individual values from such object.
* The logging level for the Java end-to-end test has been increased to help track down
intermittent bugs.
* Bugs have been fixed in org.ccnx.ccn.test.io.content.CCNNetworkObjectTest,
CCNNetworkObjectTestRepo.
* ccnls now prints a usage message if not given useful input (#100004).
* Java ContentName now has additional convenience constructor.
* New naming structure for test data has been introduced to use test-specific, timestamped
names for unit tests. This is not yet fully implemented in test suite.
* Java Eclipse project name is now CCNx-Java, and the README now explains how to import
the Eclipse projects from files in the distribution to get the cross-references.
* The BinaryEncoding and SignatureGeneration technical documentation has been slightly
repaired.
* Java lib CCNAbstractInputStream now decrypts content objects as a unit, improving
random access performance for streams without significant security penalty. (#100007).
* ContentExplorer now handles errors better and has fewer blocking threads and new UI
menu options that are not fully implemented.
Version 0.1.0:
--------------
Initial public release.