/
main.go
165 lines (145 loc) · 3.53 KB
/
main.go
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package main
import (
"encoding/binary"
"encoding/json"
"fmt"
flag "github.com/spf13/pflag"
"io"
"net"
"os"
"strconv"
"strings"
"time"
)
const (
dateFormat = "0102061504"
)
var portP = flag.IntP("port", "p", 9000, "Default port to use")
var addressP = flag.StringP("address", "a", "127.0.0.1", "Default listen address to use")
type Header struct {
Data [16]byte
}
type Record struct {
Date [6]byte
_ byte
Time [4]byte
_ byte
SecDur [5]byte
_ byte
CodCode [1]byte
_ byte
CodeDial [4]byte
_ byte
CodeUsed [4]byte
_ byte
DialedNum [18]byte
_ byte
ClgNum [10]byte
_ byte
AuthCode [7]byte
_ byte
InCrtId [3]byte
_ byte
OutCrtId [3]byte
_ byte
IsDnCc [11]byte
_ byte
Ppm [5]byte
_ byte
AcctCode [15]byte
_ byte
InTrkCode [4]byte
_ byte
AttdConsole [2]byte
_ byte
Vdn [5]byte
_ [2]byte
}
func (r Record) MarshalJSON() ([]byte, error) {
data := map[string]interface{}{}
var date interface{}
date, err := time.Parse(dateFormat, string(append(r.Date[:], r.Time[:]...)))
if err != nil {
date = string(append(r.Date[:], r.Time[:]...))
}
dur, err := strconv.Atoi(string(r.SecDur[:]))
if err != nil {
panic(err)
}
data["Date"] = date
data["Duration"] = dur
data["CodCode"] = strings.Trim(string(r.CodCode[:]), " ")
data["CodeDial"] = strings.Trim(string(r.CodeDial[:]), " ")
data["CodeUsed"] = strings.Trim(string(r.CodeUsed[:]), " ")
data["DialedNum"] = strings.Trim(string(r.DialedNum[:]), " ")
data["ClgNum"] = strings.Trim(string(r.ClgNum[:]), " ")
data["AuthCode"] = strings.Trim(string(r.AuthCode[:]), " ")
data["InCrtId"] = strings.Trim(string(r.InCrtId[:]), " ")
data["OutCrtId"] = strings.Trim(string(r.OutCrtId[:]), " ")
data["IsDnCc"] = strings.Trim(string(r.IsDnCc[:]), " ")
data["Ppm"] = strings.Trim(string(r.Ppm[:]), " ")
data["AcctCode"] = strings.Trim(string(r.AcctCode[:]), " ")
data["InTrkCode"] = strings.Trim(string(r.InTrkCode[:]), " ")
data["AttdConsole"] = strings.Trim(string(r.AttdConsole[:]), " ")
data["Vdn"] = strings.Trim(string(r.Vdn[:]), " ")
return json.Marshal(data)
}
func main() {
flag.Parse()
runserver(*addressP, *portP)
}
// runserver is the main event loop for the server
func runserver(host string, port int) {
hp := fmt.Sprintf("%s:%s", host, strconv.Itoa(port))
fmt.Printf("Listening on %s\n", hp)
listener, err := net.Listen("tcp", hp)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
for {
c, err := listener.Accept()
if err != nil {
fmt.Println(err)
continue
}
fmt.Printf("Connection from %v established.\n", c.RemoteAddr())
go Handler(c)
}
}
// Handler handels a network connection
func Handler(c net.Conn) {
defer c.Close()
defer func() {
if r := recover(); r != nil {
fmt.Printf("Recovered in Handler () for remote %s: %s", c.RemoteAddr(), r)
}
}()
// Read Header
head := new(Header)
err := binary.Read(c, binary.LittleEndian, head)
if err != nil {
panic(err)
}
data, err := json.Marshal(head)
if err != nil {
panic(err)
}
fmt.Println(string(data))
for {
rec := new(Record)
err := binary.Read(c, binary.LittleEndian, rec)
if err != nil && err != io.EOF {
// pass
}
if err == io.EOF {
break
}
//data, err := json.MarshalIndent(rec, "", " ")
data, err := json.Marshal(rec)
if err != nil {
fmt.Printf("Error Marshaling: %s\n", err)
}
fmt.Println(string(data))
}
}