app_rpt

Refactoring and upgrade of AllStarLink's app_rpt, etc.

ASL Grant Info: https://www.ampr.org/grants-old/grant-allstarlink-radio-over-ip-roip-app-enhancements-infrastructure-improvement-phase-1/

Debugging and Submitting Bugs

Feel free to open an issue for any trouble you might be experiencing with these modules. Please try to adhere to the following when submitting bugs:

• Enable debug to reproduce the issue. You can do this by running core set debug 5 app_rpt (less than or greater than 5 depending on the issue and how chatty the debug log level is). You can also enable debug all the time in asterisk.conf. To get debug output on the CLI, you will need to add the debug level to the console => log file in logger.conf. A debug log from the CLI in the seconds leading immediately up to the issue should be provided.

• For segfault issues, a backtrace is needed. Use ast_coredumper to get a backtrace and post the relevant threads from full.txt (almost always Thread 1): https://wiki.asterisk.org/wiki/display/AST/Getting+a+Backtrace (you can also run phreaknet backtrace - make sure to adjust the paste duration from 24 hours if you link the paste link)

• Describe what led up to the issue and how it can be reproduced on our end.

• Any other context that might be helpful in fixing the issue.

Thank you!

Development

Helpful Resources

AST_PBX_KEEPALIVE: https://github.com/asterisk/asterisk/commit/50a25ac8474d7900ba59a68ed4fd942074082435

Prettifying

indent --k-and-r-style --use-tabs --tab-size4 --braces-on-if-line --cuddle-else --dont-break-function-decl-args --line-length120 --swallow-optional-blank-lines apps/app_rpt.c

Installing

You can use PhreakScript to install Asterisk automatically, first, then use the rpt_install.sh script to properly install the files from this repo.

Automatic Installation

Updated instructions are in the ASL3-Manual repo at https://github.com/AllStarLink/ASL3-Manual/blob/main/docs/user-guide/install.md

Step 1: Install DAHDI and Asterisk

cd /usr/src && wget https://docs.phreaknet.org/script/phreaknet.sh && chmod +x phreaknet.sh && ./phreaknet.sh make
phreaknet install -d -b -v 20 # install in developer mode (for backtraces and assertions),  add -s for chan_sip (if you need it still) and DAHDI (required)

Step 2: Install app_rpt modules

• Clone this repo into /usr/src on your system: cd /usr/src; git clone https://github.com/AllStarLink/app_rpt.git

• Then, run: ./rpt_install.sh

Manual Installation (not recommended)

If you want to manually install app_rpt et al., here is how:

Pre-Reqs

chan_simpleusb and chan_usbradio require libusb-dev on Debian:

apt-get install -y libusb-dev

Compiling

Add this near the bottom of apps/Makefile:

$(call MOD_ADD_C,app_rpt,$(wildcard app_rpt/rpt_*.c))

Add this near the bottom of channels/Makefile:

chan_simpleusb.so: LIBS+=-lusb -lasound

chan_usbradio.so: LIBS+=-lusb -lasound

After DAHDI/Asterisk installed

/dev/dsp1 needs to exist for chan_simpleusb and chan_usbradio to work.

This StackOverflow post contains the answer in an upvoted comment: https://unix.stackexchange.com/questions/103746/why-wont-linux-let-me-play-with-dev-dsp/103755#103755

Run: modprobe snd-pcm-oss (as root/sudo)

Troubleshooting

One-liner to kill Asterisk if it won't cleanly stop or restart:

kill -9 $(ps -aux | grep " asterisk" | grep -v "grep" | awk '{print $2}' )

Alternately you can simply run phreaknet kill or phreaknet restart

Files from AllStarLink Asterisk which are in scope

allstar/mdc_decode.c
allstar/mdc_encode.c
allstar/pocsag.c
apps/app_gps.c
apps/app_rpt.c
channels/chan_tlb.c
channels/chan_usbradio.c
channels/chan_usrp.c
channels/chan_usrp.h
channels/chan_voter.c
channels/chan_simpleusb.c
channels/chan_echolink.c
include/allstar/mdc_decode.h
include/allstar/mdc_encode.h
include/allstar/pocsag.h

Files that may have changed over time

Files ./apps/app_rpt.c and ../ASL-Asterisk/asterisk/apps/app_rpt.c differ
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Files ./channels/iax2-parser.c and ../ASL-Asterisk/asterisk/channels/iax2-parser.c differ
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Files ./channels/Makefile and ../ASL-Asterisk/asterisk/channels/Makefile differ
Files ./codecs/codec_adpcm.c and ../ASL-Asterisk/asterisk/codecs/codec_adpcm.c differ
Files ./codecs/codec_ilbc.c and ../ASL-Asterisk/asterisk/codecs/codec_ilbc.c differ
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Files ./configs/sip.conf.sample and ../ASL-Asterisk/asterisk/configs/sip.conf.sample differ
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