Adding script to step through all channels, check if running.pid exists, if so kill process, delete .pid and finally delete .prevplaying file. Useful for debugging mostly.

multi-channel-bash-scripts/stop-all-channels.sh

@@ -0,0 +1,103 @@
+#!/bin/bash
+
+# file: stopall.sh
+
+#----
+# Simple script to stop any/all channels by killing the processes/deleting the corresponding
+# .pid files/previouschannel file. 
+# 
+#----
+
+#---- 
+# To Use:
+# This script needs to be placed on the same level as your channels.
+#----
+
+#----BEGIN EDITABLE VARS----
+
+OUTPUT_PREV_CHANNEL_PATH=.
+
+OUTPUT_PREV_CHANNEL_FILE=".prevplaying"
+
+CHANNEL_DIR_INCREMENT_SYMBOL="_"
+
+PID_FILE_NAME="running.pid"
+
+# If using 'virtualenv' with python, specify the local virtualenv dir.
+VIRTUAL_ENV_DIR="env"
+
+#----END EDITABLE VARS-------
+FIRST_RUN=false
+
+# If the prevplaying file exists, delete it
+if [ -e "$OUTPUT_PREV_CHANNEL_PATH/$OUTPUT_PREV_CHANNEL_FILE" ]; then
+
+	rm "$OUTPUT_PREV_CHANNEL_PATH/$OUTPUT_PREV_CHANNEL_FILE"
+
+fi
+
+# Scan the dir to see how many channels there are, store them in an arr.
+CHANNEL_DIR_ARR=( $(find . -maxdepth 1 -type d -name '*'"$CHANNEL_DIR_INCREMENT_SYMBOL"'[[:digit:]]*' -printf "%P\n") )
+
+# If this script see's there are multiple channels, 
+# check each channel dir for running .pid file to kill the process/delete the file:
+if [ "${#CHANNEL_DIR_ARR[@]}" -gt 1 ]; then
+
+	NEXT_CHANNEL=""
+
+	PREV_CHANNEL_FOUND=false
+
+	PREV_CHANNEL_DIR=""
+
+	echo "+++++ There are ${#CHANNEL_DIR_ARR[@]} channels detected."
+
+	# Loop through each Channel Dir, if .pid file exists, then kill pid and rm pid file.
+	for channel in "${CHANNEL_DIR_ARR[@]}"
+	do
+		if [ -e "$channel/$PID_FILE_NAME" ]; then
+
+			the_pid=$(<$channel/$PID_FILE_NAME)
+
+			kill "$the_pid"
+
+			COUNTER=1
+
+			while [ -e /proc/$the_pid ]
+			
+			do
+
+			    echo "+++++ $the_pid is still running"
+
+			    sleep .7
+
+			    COUNTER=$[$COUNTER +1]
+
+			    if [ $COUNTER -eq 20 ]; then
+
+			    	kill -9 "$the_pid"
+
+			    fi
+
+			    if [ $COUNTER -eq 40 ]; then
+
+			    	exit 1
+
+			    fi
+
+			done
+
+			echo "+++++ $the_pid has finished"
+
+			echo "+++++ Removing $channel/$PID_FILE_NAME"
+
+			rm "$channel/$PID_FILE_NAME"
+
+		fi
+
+	done
+
+	echo "Exiting stop-all-channels.sh script."
+
+fi
+
+exit 0