Added template of connection_manager scripts

src/configure_modem.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+source functions.sh
+
+### Modem configuration for RMNET/PPP mode ##################################
+debug "Checking APN and Modem Mode..."
+
+# APN
+atcom "AT+CGDCONT?" "OK" "ERROR" 10 | grep super >> /dev/null
+
+if [[ $? -ne 0 ]]; then
+    atcom "AT+CGDCONT=1,\"IP\",\"super\"" "OK" "ERROR" 10
+    debug "APN is updated."
+fi
+
+atcom "AT#USBCFG?" "OK" "ERROR" 10 | grep 0 >> /dev/null
+
+if [[ $? -ne 0 ]]; then
+    atcom "AT#USBCFG=0" "OK" "ERROR" 10
+    debug "RMNET/PPP mode is activated."
+    debug "Modem restarting..."
+
+    sleep 20
+    
+    # Check modem is started!
+    for i in {1..120}; do
+        route -n | grep wwan0 >> /dev/null
+        if [[ $? -eq 0 ]]; then
+            echo
+            debug "Modem is restarted."
+            break
+        fi
+        sleep 1
+        printf "*"
+    done
+    sleep 5 # wait until modem is ready 
+fi
+### End of Modem configuration for RMNET/PPP mode ############################

src/ppp_connection_manager.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+source functions.sh
+
+LOG_FOLDER="./logs"
+LOG_FILE_NAME=$(date "+%Y_%m_%d_%H:%M:%S")
+
+if [[ -e $LOG_FOLDER ]]; then
+    debug "Log folder already exist!"
+else
+    sudo mkdir $LOG_FOLDER
+    debug "Log folder is created."
+fi
+
+for i in {1..120}; do
+    bash configure_modem.sh |& sudo tee -a ./logs/$LOG_FILE_NAME.log
+    MODEM_CONFIG=$?
+
+    if [[ $MODEM_CONFIG -eq 0 ]]; then
+        break
+    fi
+
+    sleep 1
+done
+
+if [[ $MODEM_CONFIG -eq 0 ]]; then
+    bash ./reconnect_scripts/reconnect_baseshield |& sudo tee -a ./logs/$LOG_FILE_NAME.log
+else
+    debug "Modem configuration is failed multiple times!" 
+    debug "Checkout other troubleshooting step on docs.sixfab.com."
+    exit 1
+fi