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by checking if a peer qualifies when adding, rather than iterating through the whole netdb to generate an exclusion list at the start. This was very inefficient and generated needless lookup storms via lookupBeforeDropping() Same idea for getClosetHopExclude() Goal is to never iterate through all the known routers, profiles, or connected peers to select peers for a single tunnel. Add ExcluderBase and 4 classes for various cases: Excluder, ClosestHopExcluder, IBGWExcluder, and OBEPExcluder. Change CSFI.getEstablished() from a Set to a List for efficiency Improve efficiency of selectActivePeersNotFailingPeers() by iterating through connected list rather than profiles. Do not add not-connected peers to exclude set, which would become huge for hidden routers. Change getExclude() to shouldExclude() The exclude set calls shouldExclude() in contains(). Pass the exclude set to ProfileOrganizer. For client tunnels, do OBEP and IBGW checks at peer selection time, not afterwards in ConnectChecker, so it doesn't fail at the end in checkTunnel(). Check closest hop when hidden. Fail-fast for inbound when no connected peers and hidden, do not fall back to non-connected peers. Should improve startup time for hidden routers. Use ArraySet for matches to save space Remove unused selectPeersLocallyUnreachable() and selectPeersRecentlyRejecting() No peer selection policy changes here.
I2P
This is the source code for the reference Java implementation of I2P.
Latest release: https://geti2p.net/download
Installing
See INSTALL.txt or https://geti2p.net/download for installation instructions.
Documentation
API: http://docs.i2p-projekt.de/javadoc/ or run 'ant javadoc' then start at build/javadoc/index.html
How to contribute / Hack on I2P
Please check out HACKING.md and other documents in the docs directory.
Building packages from source
To get development branch from source control: https://geti2p.net/newdevelopers
Prerequisites
- Java SDK (preferably Oracle or OpenJDK) 8 or higher
- Non-linux operating systems and JVMs: See https://trac.i2p2.de/wiki/java
- Certain subsystems for embedded (core, router, mstreaming, streaming, i2ptunnel) require only Java 6
- Apache Ant 1.9.8 or higher
- The xgettext, msgfmt, and msgmerge tools installed from the GNU gettext package http://www.gnu.org/software/gettext/
- Build environment must use a UTF-8 locale.
Ant build process
On x86 systems do:
ant pkg
On non-x86, use one of the following instead:
ant installer-linux
ant installer-freebsd
ant installer-osx
Run 'ant' with no arguments to see other build options.
Gradle build process
Full builds of installers or updates are not yet possible, but the code can be compiled with:
./gradlew assemble
This will download dependencies over the clearnet by default, including Gradle
itself. To download through a SOCKS proxy (e.g. Tor), add the following lines to
your ~/.gradle/gradle.properties:
systemProp.socksProxyHost=localhost
systemProp.socksProxyPort=9150
Development builds
Automatic CI builds are available at the continuous integration page.
Docker
For more information how to run I2P in Docker, see Docker.md
Contact info
Need help? See the IRC channel #i2p on irc.freenode.net
Bug reports: https://i2pgit.org/i2p-hackers/i2p.i2p/-/issues http://git.idk.i2p/i2p-hackers/i2p.i2p/-/issues
Contact information, security issues, press inquiries: https://geti2p.net/en/contact
Licenses
See LICENSE.txt