jrandom authored 20 years ago and zzz committed 20 years ago

2004-10-30  jrandom
    * Cache the temporary objects used in the AES encryption/decryption
      process so that AES doesn't require any memory allocation to process
      data.
    * Dramatically reduce memory usage within various crypto implementations
      by avoiding unnecessary (though simplifying) buffers.
    * If we specify some tags to be sent in an I2CP message explicitly, use
      only those, not those plus a new set (otherwise we aren't sure on ACK
      which set was delivered)
    * Allow configuration for the partial send timeout (how long before
      resending a message down a different tunnel in a lease).  This can be
      updated with the "router.clientPartialSendTimeout" router config prop.
    * Logging

jrandom authored 20 years ago and zzz committed 20 years ago

    * Strip the Referer, Via, and From headers completely, rather than
      inserting a bogus value ("i2p").  This should help with the use of
      SnipSnap and Geeklog (thanks nickster and DrWoo!)

jrandom authored 20 years ago and zzz committed 20 years ago

    * Fix a strange race condition on i2cp client disconnect.
    * win98 startup fixes (thanks tester-1 and ardvark!)
    * include build scripts for the new streaming lib (which is NOT ready
      for use yet, but you can hack around with it)
(enjoy, duck)

jrandom authored 20 years ago and zzz committed 20 years ago

* new paired stream server and client helpers

jrandom authored 20 years ago and zzz committed 20 years ago

  packets through that point have been ACKed, throwing an
  InterruptedIOException if there was a writeTimeout or an IOException
  if the con failed
* revamped the ack/nack field settings to ack as much as possible
* handle some strange timeout/resend errors on connection
* pass 1/2rtt as the packet 'optional delay' field, and use that to
  schedule the ack time (the 'last' messages in a window set the
  optional delay to 0, asking for immediate ack of all received)
* increase the optional delay to 2 bytes (#ms to delay)
* inject random failures and delays if configured to do so in
  PacketHandler.choke
* fix up the window size adjustment (increment on ack, /= 2 on resend)
* use the highest RTT in the new RTT calculation so that we fit more
  in (via SACK)
* fix up the SACK handling (duh)
* revise the resend time calculation

duck authored 20 years ago and zzz committed 20 years ago

(thanks dinoman)

jrandom authored 20 years ago and zzz committed 20 years ago

* properly close the source file in StreamSinkSend
* always adjust the rtt on ack, not just for packets with 1 send
* handle dup SYN gracefully
* revamp the default connection options
* logging

jrandom authored 20 years ago and zzz committed 20 years ago

* immediately send an ack on receiving a duplicate payload message
  (unless we've sent one within the last RTT)
* only adjust the RTT when there have been no resends
* added some (disabled) throttles - randomly injecting delays on
  received packets, as well as randomly dropping them
* logging

jrandom authored 20 years ago and zzz committed 20 years ago

  has session tags within it, send an additional ping to the peer,
  bundling those tags a second time, ACKing those tags on the pong.
* handle packets transferred during a race after the receiver ACKs the
  connection but before the establisher receives the ACK.
* notify the messageInputStream reader on close (duh)
* new stream sink test, shoving lots and lots of data down a stream
  with the existing StreamSinkServer and StreamSinkClient apps
* logging

jrandom authored 20 years ago and zzz committed 20 years ago

    * Allow explicit inclusion of session tags in the SDK, enabling the
      resending of tags bundled with messages that would not otherwise
      be ACKed.
    * Don't force mode=guaranteed for end to end delivery - if mode=bestEffort
      no DeliveryStatusMessage will be bundled (and as such, client apps using
      it will need to do their own session tag ack/nack).
    * Handle client errors when notifying them of message availability.
    * New StreamSinkSend which sends a file to a destination and disconnects.
    * Update the I2PSocketManagerFactory to build the specific
      I2PSocketManager instance based on the "i2p.streaming.manager" property,
      containing the class name of the I2PSocketManager implementation to instantiate.

jrandom authored 20 years ago and zzz committed 20 years ago

* deal with window size > 1, especially before receiving the first ACK
* disable congestion control for the moment (aka unlimited window size)

jrandom authored 20 years ago and zzz committed 20 years ago

    * Minor ministreaming lib refactoring to simplify integration of the full
      streaming lib.
    * Minor bugfixes to data structure serialization.

jrandom authored 20 years ago and zzz committed 20 years ago

very basic tests pass (ping, open then pause then close, open then echo back and forth a few times then close)

jrandom authored 20 years ago and zzz committed 20 years ago

2004-10-18  jrandom
    * Allow sending messages with a section of a byte array.
    * Reduced stats published.

jrandom authored 20 years ago and zzz committed 20 years ago

    * Don't b0rk on whitespace in the router address.

jrandom authored 20 years ago and zzz committed 20 years ago

    * More aggressively reduce the capacity of peers if their tunnels are
      failing so that we move off them quicker.

jrandom authored 20 years ago and zzz committed 20 years ago

    * More aggressively fail peers if their tunnels are failing so that we
      move off them quicker.
    * Simplify some data structure serialization for reuse in the streaming
      lib, as well as add support for signing and verifying partial byte
      arrays.
    * Logging updates

jrandom authored 20 years ago and zzz committed 20 years ago

packet spec is at a save point)

jrandom authored 20 years ago and zzz committed 20 years ago

    * Increased the default minimum tunnel test time to 5 seconds, since we
      still see the occational message processing time spike to 2 seconds.
    * Update the SimpleTimer to allow rescheduling a task thats already
      queued (useful for the new streaming lib).

jrandom authored 20 years ago and zzz committed 20 years ago

    * Replaced old minimum tunnel test timeout of 1s with a configurable
      value (router.config property "router.tunnelTestMinimum", with the
      default of 2s).

jrandom authored 20 years ago and zzz committed 20 years ago

    * Tunnel rejection is no longer a sign of an overwhelmingly loaded
      peer, so don't use it as a key point of the IsFailing calculator.
      We still use it as a key point of the Capacity calculator, however.

jrandom authored 20 years ago and zzz committed 20 years ago

    * Allow for a configurable tunnel "growth factor", rather than trying
      to achieve a steady state.  This will let us grow gradually when
      the router is needed more, rather than blindly accepting the request
      or arbitrarily choking it at an averaged value.  Configure this with
      "router.tunnelGrowthFactor" in the router.config (default "1.5").
    * Adjust the tunnel test timeouts dynamically - rather than the old
      flat 30s (!!!) timeout, we set the timeout to 2x the average tunnel
      test time (the deviation factor can be adjusted by setting
      "router.tunnelTestDeviation" to "3.0" or whatever).  This should help
      find the 'good' tunnels.
    * Added some crazy debugging to try and track down an intermittent hang.

jrandom authored 20 years ago and zzz committed 20 years ago

    * Fix the probabalistic tunnel reject (we always accepted everything,
      since the docs on java.util.Random.nextDouble() are wrong..)
    * Fixed a race on startup (thanks Quadn!)