From b88dfa1bb9f1abae9e10f6e0602d232410fe4cad Mon Sep 17 00:00:00 2001
From: justmarvinn <justmarvinnn@gmail.com>
Date: Sun, 8 Jun 2025 12:58:12 +0200
Subject: [PATCH] main control script

---
 usr/bin/t3hs/t3hs_sim800 | 213 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 213 insertions(+)
 create mode 100755 usr/bin/t3hs/t3hs_sim800

diff --git a/usr/bin/t3hs/t3hs_sim800 b/usr/bin/t3hs/t3hs_sim800
new file mode 100755
index 0000000..337d630
--- /dev/null
+++ b/usr/bin/t3hs/t3hs_sim800
@@ -0,0 +1,213 @@
+#!/bin/bash
+
+set -e
+
+print_usage() {
+	echo "Usage: $0 {healthcheck|{gpio|mqtt} {on|off}}"
+}
+
+healthcheck() {
+	# DNS names also available
+	local iface="${1:-ppp0}"
+	local addr="${2:-1.1.1.1}"
+	local packets="${3:-5}"
+	local timeout="${4:-10}"
+
+	if ! ping -I $iface -c $packets -W $timeout $addr > /dev/null 2>&1; then
+		echo "Healthcheck failed"
+		return 1
+	else
+		echo "Healthcheck passed"
+		return 0
+	fi
+}
+
+gpio_on() {
+	local pin="$1"
+	local iface="${2:-ppp0}"
+
+	if [[ -z $pin ]]; then
+		echo "pin number must be provided to \`gpio_on\` function"
+		exit 1
+	fi
+
+	if ip link show $iface > /dev/null 2>&1; then
+		echo "Interface $iface already exists"
+		exit 1
+	fi
+
+	if [ ! -d "/sys/class/gpio/gpio{pin}" ]; then
+		echo "$pin" > /sys/class/gpio/export
+	fi
+	echo out > "/sys/class/gpio/gpio$pin/direction"
+	echo 1 > "/sys/class/gpio/gpio$pin/active_low"
+	echo 1 > "/sys/class/gpio/gpio$pin/value"
+	pon t3hs_sim800
+}
+
+gpio_off() {
+	local pin="$1"
+
+	if [[ -z $pin ]]; then
+		echo "pin number must be provided to \`gpio_off\` function"
+		exit 1
+	fi
+
+	poff t3hs_sim800
+	echo 0 > "/sys/class/gpio/gpio$pin/value"
+	echo "$pin" > /sys/class/gpio/unexport
+}
+
+mqtt_on() {
+	local topic="$1"
+	local host="$2"
+	local port="$3"
+	local username="$4"
+	local password="$5"
+	local iface="${6:-ppp0}"
+
+	if ip link show $iface > /dev/null 2>&1; then
+		echo "Interface $iface already exists"
+		exit 1
+	fi
+
+	args=""
+	if [[ -z $topic ]]; then
+		echo "topic must be provided to \`mqtt_on\` function"
+		exit 1
+	else
+		args+=" --topic $topic"
+		echo "topic: $topic"
+	fi
+	[[ -n $host ]] && args+=" --host $host" && echo "host: $host"
+	[[ -n $port ]] && args+=" --port $port" && echo "port: $port"
+	[[ -n $username ]] && args+=" --username $username" && echo "username: $username"
+	[[ -n $password ]] && args+=" --password $password" && echo "password: ***"
+
+	payload=$(cat <<EOF
+  {
+    "data": {
+      "msgid": 1344633989,
+      "srcid": "11223344",
+      "dstid": "FFFFFFFF",
+      "time": "2025-04-13T08:59:09.691276Z",
+      "msgtype": 1,
+      "payloadtype": 100,
+      "payloadname": "notset",
+      "payload": {
+        "applytype": 0,
+        "variables": {
+          "gsm_power": 0
+        }
+      }
+    },
+    "signature": "ADB3996D6792E696BB0D04137AF8BCB3883E501312E8EE13874D376B28E5C6CC"
+  }
+EOF
+	)
+
+	args+=" --stdin-file"
+	echo "message payload:"
+	echo "$payload"
+
+	echo "$payload" | mosquitto_pub $args
+	pon t3hs_sim800
+}
+
+ mqtt_off() {
+	local topic="$1"
+	local host="$2"
+	local port="$3"
+	local username="$4"
+	local password="$5"
+	local iface="${6:-ppp0}"
+
+	if ip link show $iface > /dev/null 2>&1; then
+		echo "Interface $iface already exists"
+		exit 1
+	fi
+
+	args=""
+	if [[ -z $topic ]]; then
+		echo "topic must be provided to \`mqtt_off\` function"
+		exit 1
+	else
+		args+=" --topic $topic"
+		echo "topic: $topic"
+	fi
+	[[ -n $host ]] && args+=" --host $host" && echo "host: $host"
+	[[ -n $port ]] && args+=" --port $port" && echo "port: $port"
+	[[ -n $username ]] && args+=" --username $username" && echo "username: $username"
+	[[ -n $password ]] && args+=" --password $password" && echo "password: ***"
+
+	payload=$(cat <<EOF
+  {
+    "data": {
+      "msgid": 1344633989,
+      "srcid": "11223344",
+      "dstid": "FFFFFFFF",
+      "time": "2025-04-13T08:59:09.691276Z",
+      "msgtype": 1,
+      "payloadtype": 100,
+      "payloadname": "notset",
+      "payload": {
+        "applytype": 0,
+        "variables": {
+          "gsm_power": 1
+        }
+      }
+    },
+    "signature": "ADB3996D6792E696BB0D04137AF8BCB3883E501312E8EE13874D376B28E5C6CC"
+  }
+EOF
+	)
+
+	args+=" --stdin-file"
+	echo "message payload:"
+	echo "$payload"
+
+	echo "$payload" | mosquitto_pub $args
+	poff t3hs_sim800
+}
+
+# common settings file for t3hs_sim800 package
+source /etc/t3hs/sim800
+
+case $# in
+1)
+	if [[ "$1" == "healthcheck" ]]; then
+		healthcheck "$IFACE" "$PING_ADDR" "$PING_PACKETS" "$PING_TIMEOUT"
+		exit $?
+	else
+		print_usage
+		exit 1
+	fi
+	;;
+2)
+	case "$1,$2" in
+		gpio,on)
+			gpio_on "$GPIO_PIN" "$IFACE"
+			exit $?
+			;;
+		gpio,off)
+			gpio_off "$GPIO_PIN"
+			exit $?
+			;;
+		mqtt,on)
+			mqtt_on "$MQTT_TOPIC" "$MQTT_HOST" "$MQTT_PORT" "$MQTT_USERNAME" "$MQTT_PASSWORD" "$IFACE"
+			exit $?
+			;;
+		mqtt,off)
+			mqtt_off "$MQTT_TOPIC" "$MQTT_HOST" "$MQTT_PORT" "$MQTT_USERNAME" "$MQTT_PASSWORD"
+			exit $?
+			;;
+		*)
+			print_usage
+			exit 1
+			;;
+	esac
+	;;
+*)
+	print_usage
+	;;
+esac