mcjoin v2.11

• Fix issue with spurious timer expiry on Aarch64 (Arm64)
• Fix #26: sender takes 100% CPU usage in daemon mode

mcjoin v2.10

• Project CI moved from Travis-CI to GitHub
• Container support: docker pull ghcr.io/troglobit/mcjoin:latest
• Minor bug fixes, found by Coverity Scan
• Fix #18: optional trailing group port arguments ip4/ip6, by Adam Young
• Fix #19: setsid() problem causing mcjoin to exit when daemonized,
  regression introduced in v2.7. Found and fixed by Foster Snowhill
• Fix #23: fix uptime display in old output mode, by Foster Snowhill
• Document alternative use-case, by Torstein Eide

mcjoin v2.9

Multiple viewing modes, including new stats and rate/bytes view. See help text for details.

• Fix #11: Another presentation view, show rate/bytes + plotter
• Fix #14: Update plotter on timer, not input, we want to see the gaps
• Change style of headings from top style to pimctl/mroutectl style
• Improved viewing modes and plotter characters for dupes/delay/etc.
• Improved column sizing for better use of whitespace in narrow ttys
• Show stats on exit
• Support for scrolling log up/down with PgUp/PgDn
• Support for displaying uptime, also shown on exit
• Support for generating duplicate frames, for testing purposes
• Support for toggling debug logs at runtime

Packages for Debian 10, or later, and compatible Ubuntu releases, available at https://deb.troglobit.com/

mcjoin v2.8

• Detect a default interface even on systems without default route
• Support Ctrl-L to refresh a garbled display
• Support for a deadline timeout -W sec, issue #12
• Support for redirecting output to a log file; mcjoin -l debug > file
• Document reverse path filtering in Linux
• Document how to test with older IGMP versions in Linux
• Fix resize glitch in plotter (new event based framework)
• Fix TTY restore on abort or abnormal exit
• Fix #12: fully restore support for old output, -o

Packages for Debian 10, or later, and compatible Ubuntu releases, available at https://deb.troglobit.com/

mcjoin v2.7

New user interface, inspired by mtr. Easier to track multiple streams and spot gaps in real-time.

• Adjust ulimit so we can open enough sockets to send/receive multicast
• Revert to tar.gz for distribution tarballs
• Support for adjusting payload length, 42 -> 1648
• Support for adjusting packet send/poll rate
• Support for macOS
• Support for OpenSolaris/Illumos, e.g. OmniOS
• Support for figuring out default interface on *BSD, Illumos, and macOS
• Support for using old UI using -o flag
• Support any source port in (S,G) joins
• Greatly improved IPv6 support, portability and multiple groups
• Dropped -r SEC option, not needed anymore and was misleading
• Fix #8: Handle IPv6 being disabled, per group and per socket
• Fix #9: No feedback on receiver when using mcjoin as sender
• Fix #10: Calculate and show gaps in received groups

Packages for Debian 10, and compatible Ubuntu releases, available at https://deb.troglobit.com/

mcjoin v2.6

Full IPv6 support, both send and join.

• Increase MAX number of groups to join: 250 -> 2048
• Relocate source code to src/ sub-directory
• Add support for sending with/to IPv6 address/group
• Update docs slightly

Packages for Debian 10, and compatible Ubuntu releases, available at https://deb.troglobit.com/

mcjoin v2.5

• Add Dockerfile, thanks to Graeme Lawes
• FreeBSD support, by Ryan Libby
• Replaced mutually exclusive options -q and -d with -l level. Default log level is notice, for true quiet mode, use -l none
• Added new daemon mode, which makes mcjoin detach from its controlling terminal and run in the background, with all output except progress redirected to syslog
• Fix possible file descriptor leak
• Improve error detection if mcjoin cannot find a default interface, a valid (source) IP address, or anything else goes wrong
• Add support for -w SEC, initial delay before actually starting. Useful if started very early in a system bootstrap before network has come up properly

mcjoin v2.4

• Support for SSM (S,G) join, in addition to the existing ASM (*,G) join
• Find interface bsaed on default route with best metric
• Initial support for IPv6 (*,G) and (S,G) joins

mcjoin v2.3

• Automatically detect default interface
• Enable support for multiple mcjoin receivers on one host using the
  same destination (Internet) port
• Fix #1: Receiver does not stop after count received packets
• Avoid using GLIBC extension __progname
• Updated build instructions in README

mcjoin v2.2

• Progress bar on receiver
• Bind receiver to group:port, instead of 0.0.0.0:port, filters noise
• Increased send rate of sender: 1/1 sec --> 1/100 msec
• Set outbound interface for sending multicast
• Portability fixes, now builds and runs on musl libc
• Verify max length of interface name from operator