Py-dtn7

Bug Fixes

- Added missing emission of Registered packet in ecla websocket client. (49)

Documentation

- Added mastodon link to README.md
- Added some documentation explaining the simple HTTP CL

Features

- Added HTTP endpoints to request a hash digest of the bundles known to the local dtnd instance
- Http pull convergence layer (44)
- Added delete endpoint to rest interface, dtnrecv can now also remove bundles (50)

Testing

- Coreemu-lab script now pins docker images version and always uses cross to build musl binaries

Bug Fixes

- Added lifetime expiration functionality in process_bundles, prior to actual forwarding
- Localendpoint bundles now also expire if not consumed by an application

Miscellaneous Tasks

- Fixed autodef for global locks as suggested by clippy
- Updated to most recent version of clap and attohttpc

Bug Fixes

- Fixed minor shell scripting bugs in test scripts
- Removed debug symbols from release profile and enabled stripping binaries
- Filtering bundles from store by address no longer returns deleted BIDs (40)
- Ignore beacons from self for broadcast IPND packets

Documentation

- Updated README, removed tool help output and described recent feature additions.
- Added badge with link to dtn7 matrix space to README
- Changed help output regarding local endpoints in dtnrecv and dtntrigger tools

Features

- CLAs can now indicate if the are accepting new bundles, e.g., useful for discovery only CLAs
- Support for sprayandwait routing strategy (29)
- Added support for broadcast sockets
- Added warning if no CLA is configured

Miscellaneous Tasks

- Bumped minimum ubuntu version in cd.yml to 20.04
- Pleased clippy of rust 1.64

Refactor

- Reexport all external client relevant pieces of code to dtn7::client

Testing

- Added clab scenario with two subnets

Bug Fixes

- Made application agent less verbose for logging
- Spawn tasks for actual CLA transmission in actor instead of blocking
- Tcpcl now spawns a new tokio task for new connections
- Seeing an already known peer did not update its last seen timestamp, now it gets touched on any new beacon
- Tcpcl now uses buffered IO
- Fixed bug where touching of known peers used wrong node ID
- Removed unneeded timeout tick from TCP CLA
- Handle all IO related unwraps in tcpcl
- Made websocket mutexes async
- Potential deadlock in forwarding code when reporting failed transmissions to routing agent fixed
- Added else case to select in tcpcl, logging and aborting session when all channels closed
- Fixed a race condition where the same bundle received multiple times in parallel also get delivery to the local endpoint multiple times. additionalls dispatching spawns a task for forwarding to return earlier.
- Check node and service names for validity with more options than just alphanumeric chars, now following URL and hostname rules
- Report decoding error to client in websocket error message
- Bundles created via WS only consist of primary block and payload, no more hopcount block

Documentation

- Added curl example on how to use HTTP push endpoint to the HTTP client API documentation
- Add new bundle verbose and filtered endpoints to http client API documentation

Features

- Increased sending channel buffer from 1 to 100 for http, mtcp and tcp
- ClaSenderTask now carries the next_hop node ID of the peer
- Http cla now has a timeout to complete the bundle delivery (default: 5s)
- Added transmission time output to tcpcl
- Remove peers from neighborhood list if they fail too often when transferring bundles
- Added optional feature for tokio tracing
- Increased sending channel buffer from 1 to 100 for http, mtcp and tcp
- ClaSenderTask now carries the next_hop node ID of the peer
- Transmission time debug output for all CLAs
- Add connecting peer to peer database for tcpcl if not already known and update last seen field on keep alive packets
- Added deadlock detection for tracing builds or when deadlock_detection feature is enabled
- HTTP cla now uses shared hyper client for connection pooling
- Added config to enable parallel processing of bundles - can speed up bundle transmission time but can also cause congestion and higher CPU load
- Added receive processing time to HTTP push endpoint
- Added rest endpoint with verbose bundle output and filter query interface
- Add new verbose and filter functions to dtnquery bundle CLI tool
- Add more fine granular logging to dtnd processing
- Added python example to produce message flood via websocket (bulk and sequential)
- Return bundle ID for newly sent bundle via websocket
- Ws-flooder.py now supports different payload sizes
- External CLA and Routing (17)
- Mtcp and tcp can now be configured to bind to a specific IP address (27)

Miscellaneous Tasks

- Updated to newest bp7 crate, removing dbg! output
- Minor code cleanups
- Eliminated some clones
- Eliminated bundle clone in tcp CLA
- Cleanup of some log output
- Minor changes to please clippy
- Upgraded dependencies and pleased new clippy lints
- Bump crossbeam-utils from 0.7.2 to 0.8.8 in /core/dtn7/fuzz
- Bump generic-array from 0.12.3 to 0.12.4 in /core/dtn7/fuzz
- Bump regex from 1.3.9 to 1.5.6 in /core/dtn7/fuzz
- Bump miow from 0.2.1 to 0.2.2 in /core/dtn7/fuzz
- Moved fuzz project to top and updated deps to most recent versions
- Cleaned up flooding example and updated comments
- Updated dependencies and switched to dtn7-plus 0.7.0

Refactor

- Switched ClaSender to a channel for sending
- Direct delivery priority is now up to the routing agent
- Switched ClaSender to a channel for sending
- Cleanup in forward of processing logic
- Let tcp_send_bundles directly send reply to provided oneshot address
- Refactored tcpcl to use less tasks
- Moved error handling in tcpcl connect method up to spawning task
- Made return value of cla send function an enum instead of bool

Testing

- Local nodes http example
- Local nodes http example
- Local ping echo test now does not start a CLA
- Added coreemu-lab scenario with 3 nodes and message flooding
- Refactored tests to use more ergonimic shell functions from `libshelltests.sh` to reduce boilerplate

Example

- Update example config to include parallel bundle processing config option

Bug Fixes

- Status report generation is prevented for bundles with source EID of dtn:none
- Buffering TCPCL pakets for efficiency
- Upgraded bp7 dependencies to make behaviour RFC9171 compliant

Documentation

- Updated to point to new RFC 9171 and fixed some links
- Added comments to example configuration file

Features

- Allow RUST_LOG to override debug level CLI parameteres, e.g., for enabling trace for different components
- Added error log with bundle hex string if decoding fails for further inspection

Miscellaneous Tasks

- Upgraded to newest bp7 crate
- Made logging more fine-grained in ipnd, verbose parts now trace log level instead of debug

Refactor

- Using clap derive interface for command line args, except for dtnd

Testing

- Deactivated debug logging for midsize_fixed clab scenario

Bug Fixes

- Tcp refuse-existing-bundles behavior fixed, cla local/global options introduced (10)
- Pinned tokio version to 1.15.0 to work around bug in 1.16.1
- Forced socket non-blocking for compability with new tokio releases

Features

- Add bundle retransmission prevention extension to TCPCL (8)
- (re)process oldest bundles first
- Added creation timestamp as well as received time to bundlepack meta data
- Peer address can be a generic broadcast, e.g., for use with LoRa

Miscellaneous Tasks

- Removed dead code for transmission counters

Refactor

- Changed websocket json data mode to encode byte buffers as base64
- Changed from tokio mutex to parking_lot for websockets
- Change project to workspace and include codegen crate (11)

Styling

- Fixed string related remarks found by clippy

Testing

- Changed clab tests to use TCPCL instead of MTCPCL