* Added some error handling when the number of session tags exceeds the
realistic capacity, dropping a random chunk of received tag sets and
conducting some minor analysis of the remaining ones. This is a part
of a pretty serious error condition, and logs as CRIT (if/when people
see "TOO MANY SESSION TAGS!", please let me know the full log line it
puts in the wrapper.log or /logs.jsp)
* Update the addressbook to only write to the published hosts location
if the addressbook's config contains "should_publish=true" (by default,
it contains "should_publish=false")
* (Merged the 0.5-pre branch back into CVS HEAD)
* Replaced the old tunnel routing crypto with the one specified in
router/doc/tunnel-alt.html, including updates to the web console to view
and tweak it.
* Provide the means for routers to reject tunnel requests with a wider
range of responses:
probabalistic rejection, due to approaching overload
transient rejection, due to temporary overload
bandwidth rejection, due to persistent bandwidth overload
critical rejection, due to general router fault (or imminent shutdown)
The different responses are factored into the profiles accordingly.
* Replaced the old I2CP tunnel related options (tunnels.depthInbound, etc)
with a series of new properties, relevent to the new tunnel routing code:
inbound.nickname (used on the console)
inbound.quantity (# of tunnels to use in any leaseSets)
inbound.backupQuantity (# of tunnels to keep in the ready)
inbound.length (# of remote peers in the tunnel)
inbound.lengthVariance (if > 0, permute the length by adding a random #
up to the variance. if < 0, permute the length
by adding or subtracting a random # up to the
variance)
outbound.* (same as the inbound, except for the, uh, outbound tunnels
in that client's pool)
There are other options, and more will be added later, but the above are
the most relevent ones.
* Replaced Jetty 4.2.21 with Jetty 5.1.2
* Compress all profile data on disk.
* Adjust the reseeding functionality to work even when the JVM's http proxy
is set.
* Enable a poor-man's interactive-flow in the streaming lib by choking the
max window size.
* Reduced the default streaming lib max message size to 16KB (though still
configurable by the user), also doubling the default maximum window
size.
* Replaced the RouterIdentity in a Lease with its SHA256 hash.
* Reduced the overall I2NP message checksum from a full 32 byte SHA256 to
the first byte of the SHA256.
* Added a new "netId" flag to let routers drop references to other routers
who we won't be able to talk to.
* Extended the timestamper to get a second (or third) opinion whenever it
wants to actually adjust the clock offset.
* Replaced that kludge of a timestamp I2NP message with a full blown
DateMessage.
* Substantial memory optimizations within the router and the SDK to reduce
GC churn. Client apps and the streaming libs have not been tuned,
however.
* More bugfixes thank you can shake a stick at.
2005-02-13 jrandom
* Updated jbigi source to handle 64bit CPUs. The bundled jbigi.jar still
only contains 32bit versions, so build your own, placing libjbigi.so in
your install dir if necessary. (thanks mule!)
* Added support for libjbigi-$os-athlon64 to NativeBigInteger and CPUID
(thanks spaetz!)
* i2pProxy.pac, i2pbench.sh, and i2ptest.sh are now shipped with the dist
packages and installed to $i2pinstalldir/scripts.
* Added command line params to i2ptest.sh and i2pbench.sh: --gij to run them
using gij + libgcj, and --sourcedir to run them from the source tree
instead of the installation directory.
* Fixed unreachable for() statement clause in the KBucketImpl class that was
causing gcj to toss a compilation warning (jrandom++).
* added more inbound tests
* made the tunnel preprocessing header more clear and included better fragmentation support
(still left: tests for outbound tunnel processing, structures and jobs to integrate with the router,
remove that full SHA256 from each and every I2NPMessage or put a smaller one at the
transport layer, and all the rest of the tunnel pooling/building stuff)
* Port the java SAM client library to mono/C# and released into the
public domain. The 0.1 version of this port is available in CVS as
i2p/apps/sam/csharp/src/I2P.SAM.Client. The other nonfunctional C#
library has been removed.
* Updated jbigi build scripts for OSX.
2005-01-21 jrandom
* Added support for OSX to the NativeBigInteger code so that it will look
in the classpath for libjbigi-osx-none.jnilib. At the moment, that file
is not bundled with the shipped jbigi.jar yet though.
tunnel ID they listen on and make sure the previous peer doesn't change over time. The
worst that a hostile peer could do is create a multiplicative work factor - they send N
messages, causing N*#hops in the loop of bandwidth usage. This is identical to the hostile
peer simply building a pair of tunnels and sending N messages through them.
also added some discussion about the tradeoffs and variations wrt fixed size tunnel messages.
* Added meaningful support for adjusting the preferred message size in the
streaming lib by setting the i2p.streaming.maxMessageSize=32768 (or
whatever). The other side will mimic a reduction (but never an increase).
* Always make sure to use distinct ConnectionOption objects for each
connection (duh)
* Reduced the default ACK delay to 500ms on in the streaming lib
* Only shrink the streaming window once per window
* Don't bundle a new jetty.xml with updates
* Catch another local routerInfo corruption issue on startup.
* Caught a series of (previously unhandled) errors caused by requeueing
messages that had timed out on the TCP transport (thanks mae^!)
* Reduce the barrier to dropping session tags on streaming lib resends -
every fourth send should drop the tags, forcing ElGamal encryption. This
will help speed up the recovery after a disconnect, rather than the drop
every fifth send.
This prevents the first peer after the gateway from looking at the encrypted data received
and seeing "hey, none of the checksum blocks match the payload, they must be the gateway".
done (e.g. *what* gets encrypted, modifying the tunnelCreate messages, the tunnel
building process, and the new tunnel pooling). I seem to have lost much of the typed
up docs describing this too, so I'll be hitting that next.
2005-01-06 jrandom
* Added a startup message to the addressbook, printing its version number
to stdout (which is sent to wrapper.config) when it loads.
* Updated the addressbook to reread the config file periodically
* Added orion.i2p to the list of eepsites on the default homepage
* Handle unexpected network read errors more carefully (thanks parg!)
* Added more methods to partially compare (DataHelper) and display
arrays (Base64.encode).
* Exposed the AES encryptBlock/decryptBlock on the context.aes()
* Be more generous on the throttle when just starting up the router
* Fix a missing scheduled event in the streaming lib (caused after reset)
* Add a new DisconnectListener on the I2PSocketManager to allow
notification of session destruction.
* Make sure our own router identity is valid, and if it isn't, build a new
one and restart the router. Alternately, you can run the Router with
the single command line argument "rebuild" and it will do the same.
* Integrated latest addressbook changes (2.0.3) which include support for
deploying as a .war file with no existing addressbook configuration.
* Updated main build process to bundle the addressbook.war in the
i2pinstall.jar and i2pupdate.zip.
* Speling fxi (thanks digum!)
* Bugfix for the I2PTunnel web interface so that it now properly launches
newly added tunnels that are defined to be run on startup (thanks ugha!)
* Revised the I2PTunnel client and httpclient connection establishment
throttles. There is now a pool of threads that build the I2PSocket
connections with a default size of 5, configurable via the I2PTunnel
client option 'i2ptunnel.numConnectionBuilders' (if set to 0, it will
not throttle the number of concurrent builders, but will launch a thread
per socket during establishment). In addition, sockets accepted but
not yet allocated to one of the connection builders will be destroyed
after 30 seconds, configurable via 'i2ptunnel.maxWaitTime' (if set to
0, it will wait indefinitely).
* Imported Ragnarok's addressbook source (2.0.2) which is built but not
deployed in the i2pinstall.jar/i2pupdate.zip (yet).
* Don't treat connection inactivity closure as a connection error.
* Add in a new keepalive event on each TCP connection, proactively sending
a (tiny) time message every minute or two, as well as killing the
connection if no message has been fully sent within 5 minutes or so.
This should help deal with hung connections from IP address changes.
* Cleaned up the resending and choking algorithm in the streaming lib.
* Removed the read timeout override for I2PTunnel's httpclient, allowing
it to use the default for the streaming lib.
* Revised ack triggers in the streaming lib.
* Logging.
* Cleaned up the postinstall/startup scripts a bit more to handle winME,
and added windows info to the headless docs. (thanks ardvark!)
* Fixed a harmless (yet NPE inspiring) race during the final shutdown of
a stream (thanks frosk!)
* Add a pair of new stats for monitoring tunnel participation -
tunnel.participatingBytesProcessed (total # bytes transferred) and
tunnel.participatingBytesProcessedActive (total # bytes transferred for
tunnels whose byte count exceed the 10m average). This should help
further monitor congestion issues.
* Made the NamingService factory property public (thanks susi!)
* No longer do a blocking DNS lookup within the jobqueue (thanks mule!)
* Set a 60s dns cache TTL, instead of 0s. Most users who used to use
dyndns/etc now just use IP autodetection, so the old "we need ttl=0"
reasoning is gone.
* Added a new i2ptunnel type: 'httpserver', allowing you to specify what
hostname should be sent to the webserver. By default, new installs will
have an httpserver pointing at their jetty instance with the spoofed
name 'mysite.i2p' (editable on the /i2ptunnel/edit.jsp page).
