openwrt 路由器温度检测脚本

循环获取温度信息并上报到指定的路径，供其他程序读取

#!/bin/sh


##########################################################################################
function urlencode() {
    if ! command -v curl >/dev/null 2>&1; then echo -E "$1"; return; fi
    local str="$1"
    curl -Gso /dev/null --data-urlencode "var=$str" "http://localhost/?" -w "%{url_effective}\n" | sed 's/^.*var=//'
}
function writeCache(){
  CACHE_KEY="$1" ; CMD_URL="http://example.com/setx"
  URL_DATA="k=${CACHE_KEY}&v=$(urlencode "$2")"
  curl -L -m 5 -s -o /dev/null -d "$URL_DATA" "$CMD_URL"
}
function readCache(){
  CACHE_KEY="$1" ; CMD_URL="http://example.com/get"
  REQ_URL="$CMD_URL?key=${CACHE_KEY}"
  curl -L --connect-timeout 3 -m 5 -s "$REQ_URL"
}
##########################################################################################

ROUTER_TEMP_KEY='example_key'


while true; do
  cpu_temp=`cat /sys/class/thermal/thermal_zone0/temp`
  writeCache "$ROUTER_TEMP_KEY" "$cpu_temp"
  echo "$cpu_temp"
  sleep 1
done

设置开机启动：/etc/rc.local

/root/gettemp.sh >/dev/null 2>&1 &