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switch: split the switch action into separate stages
When toggling the switch, a lock is held for a relatively long time, preventing another toggling of the switch to be noticed. With this change, I hope we can first shutdown the modem, wait for a toggle, and then continue. We're losing the abort function but I currently don't know how we would be able to keep that functionality given that the toggle is queued and we don't get the notification.
This commit is contained in:
Tobias Mueller
parent
eab0633ad9
commit
ed6856c490
2
Makefile
2
Makefile
@ -31,7 +31,7 @@ define Package/blue-merle/install
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$(INSTALL_BIN) ./files/etc/init.d/* $(1)/etc/init.d/
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$(INSTALL_BIN) ./files/etc/gl-switch.d/* $(1)/etc/gl-switch.d/
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$(INSTALL_BIN) ./files/lib/blue-merle/mac-wipe.sh $(1)/lib/blue-merle/mac-wipe.sh
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$(INSTALL_BIN) ./files/usr/bin/blue-merle $(1)/usr/bin/blue-merle
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$(INSTALL_BIN) ./files/usr/bin/* $(1)/usr/bin/
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$(INSTALL_BIN) ./files/usr/libexec/blue-merle $(1)/usr/libexec/blue-merle
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$(INSTALL_BIN) ./files/lib/blue-merle/imei_generate.py $(1)/lib/blue-merle/imei_generate.py
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endef
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@ -10,14 +10,21 @@ logger -p notice -t blue-merle-toggle "Called... ${action}"
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if [ "$action" = "on" ];then
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mcu_send_message "Blue Merle ${action}"
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echo "on" > /tmp/sim_change_switch
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ubus call file exec '{ "command": "flock", "params": ["-n", "/tmp/blue-merle-switch.lock", "timeout", "90", "/usr/bin/blue-merle-switch"] }'
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flock -n /tmp/blue-merle-switch.lock logger -p notice -t blue-merle-toggle "Running Stage 1" || logger -p notice -t blue-merle-toggle "Lockfile busy" &
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flock -n /tmp/blue-merle-switch.lock timeout 90 /usr/bin/blue-merle-switch-stage1
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elif [ "$action" = "off" ];then
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mcu_send_message "Blue Merle ${action}"
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# We check for any previous run and eventually execute the second stage. We could check for the age of this marker and only activate the second stage is the marker is young enough.
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if [ -f /tmp/blue-merle-stage1 ]; then
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flock -n /tmp/blue-merle-switch.lock || logger -p notice -t blue-merle-toggle "Lockfile busy" &
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flock -n /tmp/blue-merle-switch.lock timeout 90 /usr/bin/blue-merle-switch-stage2
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else
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logger -p notice -t blue-merle-toggle "No Stage 1; Toggling Off"
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fi
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echo "off" > /tmp/sim_change_switch
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else
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echo "off" > /tmp/sim_change_switch
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fi
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logger -p notice -t blue-merle-toggle "Finished Switch"
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logger -p notice -t blue-merle-toggle "Finished Switch $action"
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sleep 1
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66
files/usr/bin/blue-merle-switch-stage1
Normal file
66
files/usr/bin/blue-merle-switch-stage1
Normal file
@ -0,0 +1,66 @@
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#!/bin/sh
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. /lib/blue-merle/functions.sh
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. /lib/functions/gl_util.sh
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if [ ! -f "/tmp/sim_change_start" ]; then
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echo 0 > /tmp/sim_change_start
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fi
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if [ ! -f "/tmp/sim_change_switch" ]; then
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sim_switch off
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fi
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now=$(date +%s)
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sim_change_last=`cat /tmp/sim_change_start`
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sim_change_diff=$((now-sim_change_last))
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if [[ "$sim_change_diff" -lt 60 ]]; then
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mcu_send_message "Please wait >1min between two SIM swaps. ($sim_change_diff s)"
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exit 1
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fi
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echo "$now" > /tmp/sim_change_start
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mcu_send_message "Starting SIM swap."
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sleep 3
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## We're disabling this abort functionality for the moment because the switch keeps being blocked and we cannot notice the pulled switch. We could abort by default and require another toggle to continue.
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#i=5
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#until [[ $i -lt 0 ]]
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#do
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# mcu_send_message "Pull switch to abort ($i). "
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# i=$((i-1))
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# sleep 1
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#
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# CHECK_ABORT
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#done
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#
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#mcu_send_message "Continuing ..."
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#sleep 1
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mcu_send_message "Disabling the ME from transmitting and receiving RF signals."
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sleep 3
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old_imei=$(READ_IMEI)
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old_imsi=$(READ_IMSI)
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#CHECK_ABORT
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answer=1
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while [[ "$answer" -eq 1 ]]; do
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gl_modem AT AT+CFUN=4 | grep -q OK
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if [[ $? -eq 1 ]]; then
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mcu_send_message "Disabling failed. Trying again."
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CHECK_ABORT
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else
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answer=0
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mcu_send_message "Disabled."
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sleep 2
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fi
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done
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mcu_send_message "Replace the SIM card. Then pull the switch."
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echo done > /tmp/blue-merle-stage1
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63
files/usr/bin/blue-merle-switch → files/usr/bin/blue-merle-switch-stage2
Executable file → Normal file
63
files/usr/bin/blue-merle-switch → files/usr/bin/blue-merle-switch-stage2
Executable file → Normal file
@ -3,68 +3,7 @@
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. /lib/blue-merle/functions.sh
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. /lib/functions/gl_util.sh
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if [ ! -f "/tmp/sim_change_start" ]; then
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echo 0 > /tmp/sim_change_start
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fi
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if [ ! -f "/tmp/sim_change_switch" ]; then
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sim_switch off
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fi
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now=$(date +%s)
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sim_change_last=`cat /tmp/sim_change_start`
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sim_change_diff=$((now-sim_change_last))
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if [[ "$sim_change_diff" -lt 60 ]]; then
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mcu_send_message "Please wait >1min between two SIM swaps. ($sim_change_diff s)"
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exit 1
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fi
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echo "$now" > /tmp/sim_change_start
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mcu_send_message "Starting SIM swap."
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sleep 3
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i=5
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until [[ $i -lt 0 ]]
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do
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mcu_send_message "Pull switch to abort ($i). "
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i=$((i-1))
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sleep 1
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CHECK_ABORT
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done
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mcu_send_message "Continuing ..."
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sleep 1
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mcu_send_message "Disabling the ME from transmitting and receiving RF signals."
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sleep 3
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old_imei=$(READ_IMEI)
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old_imsi=$(READ_IMSI)
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CHECK_ABORT
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answer=1
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while [[ "$answer" -eq 1 ]]; do
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gl_modem AT AT+CFUN=4 | grep -q OK
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if [[ $? -eq 1 ]]; then
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mcu_send_message "Disabling failed. Trying again."
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CHECK_ABORT
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else
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answer=0
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mcu_send_message "Disabled."
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sleep 2
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fi
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done
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mcu_send_message "Replace the SIM card. Then pull the switch."
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while [[ `cat /tmp/sim_change_switch` = "on" ]]; do
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mcu_send_message "Replace the SIM card. Then pull the switch."
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sleep 3
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done
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rm -f /tmp/blue-merle-stage1
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mcu_send_message "Switch pulled. Continuing..."
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sleep 1
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