mirror of https://github.com/wb2osz/direwolf.git
added support for multiple instances, tweaked screen execution
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billdotjr
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8619b74c7b
commit
314cddca8c
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@ -17,6 +17,7 @@
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# Versioning (this file, not direwolf version)
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#-----------
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# v1.4 - OK1BIL - added support for multiple instances, tweaked screen execution
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# v1.3 - KI6ZHD - added variable support for direwolf binary location
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# v1.2 - KI6ZHD - support different versions of VNC
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# v1.1 - KI6ZHD - expanded version to support running on text-only displays with
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@ -24,6 +25,9 @@
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# v1.0 - WB2OSZ - original version for Xwindow displays only
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#-------------------------------------
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# Configuration
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#-------------------------------------
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#How are you running Direwolf : within a GUI (Xwindows / VNC) or CLI mode
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#
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@ -36,7 +40,7 @@
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# CLI mode is suited for say a Raspberry Pi running the Jessie LITE version
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# where it will run from the CLI w/o requiring Xwindows - uses screen
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RUNMODE=AUTO
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RUNMODE="AUTO"
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# Location of the direwolf binary. Depends on $PATH as shown.
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# change this if you want to use some other specific location.
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@ -44,32 +48,69 @@ RUNMODE=AUTO
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DIREWOLF="direwolf"
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# In case direwolf is run in CLI, it is running in a screen session in the background.
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# Each screen session has a name. If you want to run multiple instances of direwolf
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# in parallel (i.e. two SDRs over STDIN), you need to specify unique names for the sessions.
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# Note: screen is a linux tool to run user-interactive software in background.
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INSTANCE="direwolf"
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# Parameters for the direwolf binary can be set here. This replaces the DWCMD variable.
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# Uncomment onlye on of the variables.
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#Direwolf start up command :: Uncomment only one of the examples.
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#
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# 1. For normal operation as TNC, digipeater, IGate, etc.
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# Print audio statistics each 100 seconds for troubleshooting.
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# Change this command to however you wish to start Direwolf
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DWCMD="$DIREWOLF -a 100"
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DWPARAMS="-a 100"
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# 2. FX.25 Forward Error Correction (FEC) will allow your signal to
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# go farther under poor radio conditions. Add "-X 1" to the command line.
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#DWCMD="$DIREWOLF -a 100 -X 1"
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#DWPARAMS="-a 100 -X 1"
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#---------------------------------------------------------------
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#
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# 3. Alternative for running with SDR receiver.
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# Piping one application into another makes it a little more complicated.
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# We need to use bash for the | to be recognized.
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# 3. Alternative for running with SDR receiver. In case of using this, please pay attention
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# to variable DWSTDIN below.
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#DWCMD="bash -c 'rtl_fm -f 144.39M - | direwolf -c sdr.conf -r 24000 -D 1 -'"
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#DWPARAMS="-c /etc/direwolf/ok1abc-sdr.conf -t 0 -r 24000 -D 1 -"
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# A command to be fed into the STDIN of the direwolf binary. Main use for this is to configure rtl-sdr input.
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# Leave commented if using soundcard inputs. If using rtl-sdr, uncomment folllowing lines and set parameters as needed.
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#QRG="144.8M"
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#GAIN="43"
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#PPM="1"
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#DWSTDIN="rtl_fm -f $QRG -g $GAIN -p $PPM -"
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# Where will logs go - needs to be writable by non-root users
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LOGFILE=/var/tmp/dw-start.log
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LOGFILE="/var/tmp/dw-start.log"
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# Startup delay in seconds - how long should the script wait before executing (default 30)
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STARTUP_DELAY=30
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#-------------------------------------
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# Internal use functions
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#-------------------------------------
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# This function is to be recursively called from outside of this script. Its purpose
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# is to avoid passing commands to screen or bash as strings, which is tricky.
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function RUN_CLI () {
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PARAMS=$1
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STDIN=$2
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if [ -z "$2" ]; then
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$DIREWOLF $PARAMS
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else
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$STDIN | $DIREWOLF $PARAMS
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fi
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exit 0
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}
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#-------------------------------------
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# Main functions of the script
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@ -91,11 +132,15 @@ function CLI {
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# Screen commands
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# -d m :: starts the command in detached mode
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# -S :: name the session
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$SCREEN -d -m -S direwolf $DWCMD >> $LOGFILE
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#
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# Screen is instructed to run this script again with a parameter (to execute direwolf with
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# necessary parameters). This way commands do not need to be passed as string. Additionally,
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# this allows for some pre-flight checks withing the screen session, should they be needed.
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$SCREEN -d -m -S $INSTANCE $0 -runcli >> $LOGFILE
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SUCCESS=1
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$SCREEN -list direwolf
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$SCREEN -list direwolf >> $LOGFILE
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$SCREEN -list $INSTANCE
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$SCREEN -list $INSTANCE >> $LOGFILE
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echo "-----------------------"
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echo "-----------------------" >> $LOGFILE
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@ -165,14 +210,14 @@ date >> $LOGFILE
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# First wait a little while in case we just rebooted
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# and the desktop hasn't started up yet.
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#
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sleep 30
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sleep $STARTUP_DELAY
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#
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# Nothing to do if Direwolf is already running.
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#
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a=`ps ax | grep direwolf | grep -vi -e bash -e screen -e grep | awk '{print $1}'`
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a=`ps ax | grep $INSTANCE | grep -vi -e bash -e screen -e grep | awk '{print $1}'`
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if [ -n "$a" ]
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then
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#date >> /tmp/dw-start.log
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@ -180,6 +225,12 @@ then
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exit
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fi
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# Check for parameter to recursively run this script and execute direwolf in cli
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if [ $# -eq 1 ] && [ $1 == "-runcli" ]; then
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RUN_CLI "$DWPARAMS" "$DWSTDIN"
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exit 0
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fi
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# Main execution of the script
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if [ $RUNMODE == "AUTO" ];then
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