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mini-beieli-lorahandler
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plausibility checks implemented

This commit is contained in:
Joerg Lehmann 2020-07-01 18:15:17 +02:00
parent 4eb249377f
commit 2083a5b3d6
1 changed files with 60 additions and 61 deletions
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121
lorahandler.go
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@ -2,10 +2,10 @@ package main
import ( import (
"bytes" "bytes"
"encoding/base64"
"encoding/binary" "encoding/binary"
"encoding/hex" "encoding/hex"
"encoding/json" "encoding/json"
"encoding/base64"
"fmt" "fmt"
"io/ioutil" "io/ioutil"
"log" "log"
@ -16,11 +16,12 @@ import (
) )
const ( const (
MyDB = "beieliscaledb" MyDB = "beieliscaledb"
username = "beieli" username = "beieli"
password = "beieli4president" password = "beieli4president"
outputfile = "/home/beieli/lorahandler/lorahandler.log" outputfile = "/home/beieli/lorahandler/lorahandler.log"
NOT_ATTACHED = -2147483648 NOT_PLAUSIBLE_16 = 65535
NOT_PLAUSIBLE_32 = 2147483647
) )
type MetadataTTN struct { type MetadataTTN struct {
@ -28,9 +29,9 @@ type MetadataTTN struct {
} }
type MessageTTN struct { type MessageTTN struct {
Hardware_serial string `json:"hardware_serial"` Hardware_serial string `json:"hardware_serial"`
Metadata MetadataTTN `json:"metadata"` Metadata MetadataTTN `json:"metadata"`
Payload_raw string `json:"payload_raw"` Payload_raw string `json:"payload_raw"`
} }
type MessageProperties struct { type MessageProperties struct {
@ -203,37 +204,37 @@ func DecodePayload(s string, deveui string, devaddr string, lrrlat float32, lrrl
// the second measurement as first..., the same for humidity, which is usually too low... // the second measurement as first..., the same for humidity, which is usually too low...
t := pl_1.T t := pl_1.T
t = t + int16(pl_1.TC1) t = t + int16(pl_1.TC1)
if valid_measurements > 0 { if valid_measurements > 0 {
WriteDatapoint(tfp, deveui, devaddr, pl_1.Vbat, pl_1.H1, pl_1.P1, pl_1.W1, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0) WriteDatapoint(tfp, deveui, devaddr, pl_1.Vbat, pl_1.H1, pl_1.P1, pl_1.W1, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0)
} }
//t = t + int16(pl_1.TC1) //t = t + int16(pl_1.TC1)
if valid_measurements > 1 { if valid_measurements > 1 {
WriteDatapoint(tfp+(step), deveui, devaddr, 0, pl_1.H2, pl_1.P2, pl_1.W2, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0) WriteDatapoint(tfp+(step), deveui, devaddr, 0, pl_1.H2, pl_1.P2, pl_1.W2, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0)
} }
t = t + int16(pl_1.TC2) t = t + int16(pl_1.TC2)
if valid_measurements > 2 { if valid_measurements > 2 {
WriteDatapoint(tfp+(2*step), deveui, devaddr, 0, pl_1.H3, pl_1.P3, pl_1.W3, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0) WriteDatapoint(tfp+(2*step), deveui, devaddr, 0, pl_1.H3, pl_1.P3, pl_1.W3, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0)
} }
t = t + int16(pl_1.TC3) t = t + int16(pl_1.TC3)
if valid_measurements > 3 { if valid_measurements > 3 {
WriteDatapoint(tfp+(3*step), deveui, devaddr, 0, pl_1.H4, pl_1.P4, pl_1.W4, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0) WriteDatapoint(tfp+(3*step), deveui, devaddr, 0, pl_1.H4, pl_1.P4, pl_1.W4, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0)
} }
t = t + int16(pl_1.TC4) t = t + int16(pl_1.TC4)
if valid_measurements > 4 { if valid_measurements > 4 {
WriteDatapoint(tfp+(4*step), deveui, devaddr, 0, pl_1.H5, pl_1.P5, pl_1.W5, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0) WriteDatapoint(tfp+(4*step), deveui, devaddr, 0, pl_1.H5, pl_1.P5, pl_1.W5, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0)
} }
t = t + int16(pl_1.TC5) t = t + int16(pl_1.TC5)
if valid_measurements > 5 { if valid_measurements > 5 {
WriteDatapoint(tfp+(5*step), deveui, devaddr, 0, pl_1.H6, pl_1.P6, pl_1.W6, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0) WriteDatapoint(tfp+(5*step), deveui, devaddr, 0, pl_1.H6, pl_1.P6, pl_1.W6, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0)
} }
t = t + int16(pl_1.TC6) t = t + int16(pl_1.TC6)
if valid_measurements > 6 { if valid_measurements > 6 {
WriteDatapoint(tfp+(6*step), deveui, devaddr, 0, pl_1.H7, pl_1.P7, pl_1.W7, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0) WriteDatapoint(tfp+(6*step), deveui, devaddr, 0, pl_1.H7, pl_1.P7, pl_1.W7, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0)
} }
t = t + int16(pl_1.TC7) t = t + int16(pl_1.TC7)
if valid_measurements > 7 { if valid_measurements > 7 {
WriteDatapoint(tfp+(7*step), deveui, devaddr, 0, pl_1.H8, pl_1.P8, pl_1.W8, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0) WriteDatapoint(tfp+(7*step), deveui, devaddr, 0, pl_1.H8, pl_1.P8, pl_1.W8, 0, 0, t, lrrlat, lrrlon, 0, 0, 0, 0, 0)
} }
} }
} else if s[0:2] == "80" { } else if s[0:2] == "80" {
fmt.Printf("{\n") fmt.Printf("{\n")
@ -259,19 +260,7 @@ func DecodePayload(s string, deveui string, devaddr string, lrrlat float32, lrrl
var w uint16 var w uint16
w1_0_real := pl_128.W1_0 w1_0_real := pl_128.W1_0
w2_0_real := pl_128.W2_0 w2_0_real := pl_128.W2_0
multiply_by_2 := false
if pl_128.W1_0 == NOT_ATTACHED {
w1_0_real = pl_128.W1
multiply_by_2 = true
}
if pl_128.W2_0 == NOT_ATTACHED {
w2_0_real = pl_128.W2
multiply_by_2 = true
}
w32 = int32(((float64(pl_128.W1-w1_0_real) / float64(pl_128.W1_C)) + (float64(pl_128.W2-w2_0_real) / float64(pl_128.W2_C))) / 5.0) w32 = int32(((float64(pl_128.W1-w1_0_real) / float64(pl_128.W1_C)) + (float64(pl_128.W2-w2_0_real) / float64(pl_128.W2_C))) / 5.0)
if multiply_by_2 {
w32 = w32 * 2
}
if w32 < 0 { if w32 < 0 {
w = 0 w = 0
} else if w32 > 65535 { } else if w32 > 65535 {
@ -325,6 +314,7 @@ func WriteDatapoint(mytime int64, deveui string, devaddr string, v uint8, h uint
// wir nehmen humidity als Referenz, wenn diese > 0 ist, dann ist es // wir nehmen humidity als Referenz, wenn diese > 0 ist, dann ist es
// eine gueltige Messung // eine gueltige Messung
var vp int16 // Voltage in % var vp int16 // Voltage in %
var implausible bool
//fmt.Printf("WriteDatapoint: h: %d\n", h) //fmt.Printf("WriteDatapoint: h: %d\n", h)
if h > 0 { if h > 0 {
vp = int16(v) - 70 vp = int16(v) - 70
@ -346,7 +336,9 @@ func WriteDatapoint(mytime int64, deveui string, devaddr string, v uint8, h uint
} }
s = fmt.Sprintf("measurement,deveui=%s devaddr=\"%s\",%sh=%di,p=%di,w=%di,t=%.1f,lrrlat=%f,lrrlon=%f%s %d\n", deveui, devaddr, sv, h, int32(p)+825, uint32(w)*5, float32(t)/10, lrrlat, lrrlon, sfw, mytime*60*1000*1000*1000) s = fmt.Sprintf("measurement,deveui=%s devaddr=\"%s\",%sh=%di,p=%di,w=%di,t=%.1f,lrrlat=%f,lrrlon=%f%s %d\n", deveui, devaddr, sv, h, int32(p)+825, uint32(w)*5, float32(t)/10, lrrlat, lrrlon, sfw, mytime*60*1000*1000*1000)
WriteStringToFile(s, deveui) implausible = (w1 == NOT_PLAUSIBLE_32) || (w2 == NOT_PLAUSIBLE_32) || (w == NOT_PLAUSIBLE_16)
WriteStringToFile(s, deveui, implausible)
w_gram := uint32(w) * 5 w_gram := uint32(w) * 5
addValue(deveui, w_gram) addValue(deveui, w_gram)
@ -360,20 +352,27 @@ func WriteDatapoint(mytime int64, deveui string, devaddr string, v uint8, h uint
} }
} }
func WriteStringToFile(s string, deveui string) { func WriteStringToFile(s string, deveui string, bool implausible) {
n, err := file.WriteString(s) if !implausible {
if err != nil { n, err := file.WriteString(s)
fmt.Println(err) if err != nil {
os.Exit(1) fmt.Println(err)
} os.Exit(1)
if n != len(s) { }
fmt.Println("failed to write data") if n != len(s) {
os.Exit(1) fmt.Println("failed to write data")
os.Exit(1)
}
} }
// Also write to individual files // Also write to individual files
datestr := time.Now().Format("2006-01") datestr := time.Now().Format("2006-01")
individual_file := "/home/beieli/lorahandler/logs/" + deveui + "-" + datestr + ".log" if implausible {
individual_file := "/home/beieli/lorahandler/logs/" + deveui + "-" + datestr + ".log"
} else {
individual_file := "/home/beieli/lorahandler/logs/" + "implausible" + "-" + datestr + ".log"
}
fi, err := os.OpenFile(individual_file, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644) fi, err := os.OpenFile(individual_file, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644)
if err != nil { if err != nil {
fmt.Println(err) fmt.Println(err)
@ -429,13 +428,13 @@ func main() {
log.Printf("BODY: %s", rdr1) log.Printf("BODY: %s", rdr1)
r.Body = rdr2 r.Body = rdr2
// We look for the text string "mini-beieli" in the buffer, then it is a TTN Packet, // We look for the text string "mini-beieli" in the buffer, then it is a TTN Packet,
// otherwise it should be a Swisscom Packet... // otherwise it should be a Swisscom Packet...
fmt.Printf("Length of JSON Body: %d\n", len(buf)) fmt.Printf("Length of JSON Body: %d\n", len(buf))
if strings.Contains(string(buf),"mini-beieli") { if strings.Contains(string(buf), "mini-beieli") {
fmt.Printf("Seems to be a TTN Packet...\n") fmt.Printf("Seems to be a TTN Packet...\n")
// it is probably a TTN package... // it is probably a TTN package...
err := json.NewDecoder(r.Body).Decode(&message_ttn) err := json.NewDecoder(r.Body).Decode(&message_ttn)
if err != nil { if err != nil {
@ -453,7 +452,7 @@ func main() {
fmt.Println("Error: could not convert raw_package to hex: %s" + message_ttn.Payload_raw) fmt.Println("Error: could not convert raw_package to hex: %s" + message_ttn.Payload_raw)
} }
} else { } else {
fmt.Printf("Seems to be a Swisscom Packet...\n") fmt.Printf("Seems to be a Swisscom Packet...\n")
// it is probably a Swisscom package... // it is probably a Swisscom package...
err := json.NewDecoder(r.Body).Decode(&message_swisscom) err := json.NewDecoder(r.Body).Decode(&message_swisscom)
if err != nil { if err != nil {