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netHealth.go
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/
netHealth.go
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package main
import (
"fmt"
"io/ioutil"
"log"
"net/http"
"regexp"
)
var allowanceRequestURL = "http://192.168.0.1/stlui/user/allowance_request.html"
// Regex to match the various fields, text to match looks similar to below:
// <td style="border-width:0px;">Maximum Download Bank (MB)</td><td style="border-width:0px;">1050</td>
// <td style="border-width:0px;">Allowance Remaining (MB)</td><td style="border-width:0px;">627</td>
// <td style="border-width:0px;">Allowance Remaining (%)</td><td style="border-width:0px;">68</td>
// <td style="border-width:0px;">Time Until Allowance Refill</td><td style="border-width:0px;">0:10:59:47</td>
// td style="border-width:0px;">Plan Refill Amount (MB)</td><td style="border-width:0px;">525</td>
var mbBankRegex = regexp.MustCompile("(?:<td style=\"border-width:0px;\">Maximum Download Bank \\(MB\\)</td><td style=\"border-width:0px;\">([0-9]+)</td>)")
var mbRemainingRegex = regexp.MustCompile("(?:<td style=\"border-width:0px;\">Allowance Remaining \\(MB\\)</td><td style=\"border-width:0px;\">([0-9]+)</td>)")
var pctRemainingRegex = regexp.MustCompile("(?:<td style=\"border-width:0px;\">Allowance Remaining \\(%\\)</td><td style=\"border-width:0px;\">([0-9]+)</td>)")
var timeRefillRegex = regexp.MustCompile("(?:<td style=\"border-width:0px;\">Time Until Allowance Refill</td><td style=\"border-width:0px;\">([0-9]+:[0-9]+:[0-9]+:[0-9]+)</td>)")
var mbRefillAmountRegex = regexp.MustCompile("(?:td style=\"border-width:0px;\">Plan Refill Amount \\(MB\\)</td><td style=\"border-width:0px;\">([0-9]+)</td>)")
func main() {
res, err := http.Get(allowanceRequestURL)
if err != nil {
log.Fatal(err)
}
allowanceReq, err := ioutil.ReadAll(res.Body)
if err != nil {
log.Fatal(err)
}
res.Body.Close()
mbBank := findSubmatch(mbBankRegex, allowanceReq)
mbRemaining := findSubmatch(mbRemainingRegex, allowanceReq)
pctRemaining := findSubmatch(pctRemainingRegex, allowanceReq)
timeRefill := findSubmatch(timeRefillRegex, allowanceReq)
mbRefillAmount := findSubmatch(mbRefillAmountRegex, allowanceReq)
fmt.Printf(" Maximum Download Bank (mb): %s\n", mbBank)
fmt.Printf(" Allowance Remaining (mb): %s\n", mbRemaining)
fmt.Printf("Allowance Remaining (percent): %s\n", pctRemaining)
fmt.Printf(" Time until refill: %s\n", timeRefill)
fmt.Printf(" Refill Amount (mb): %s\n", mbRefillAmount)
}
func findSubmatch(re *regexp.Regexp, b []byte) (retByte []byte) {
matches := re.FindSubmatch(b)
if len(matches) != 2 {
log.Fatal("No match")
}
retByte = matches[1]
return
}