func _readLong3(file *bytes.Reader, offset int64) int64 {
buf := make([]byte, 4)
file.ReadAt(buf, offset)
buf[3] = 0x00
return int64(binary.LittleEndian.Uint32(buf))
}
func getIpLocation(file *bytes.Reader, offset int64) (loc tIp2LocationResp) {
buf := make([]byte, 1024)
file.ReadAt(buf[0:1], offset+4)
mod := buf[0]
//log.Printf("C1 FLAG: %#v", mod)
descOffset := int64(0)
op_descOffset := int64(0)
if 0x01 == mod {
descOffset = _readLong3(file, offset+5)
//log.Printf("Redirect to: %#v",descOffset);
file.ReadAt(buf[0:1], descOffset)
mod2 := buf[0]
//log.Printf("C2 FLAG: %#v", mod2)
if 0x02 == mod2 {
loc.area_desc = _readString(file, _readLong3(file, descOffset+1))
op_descOffset = descOffset + 4
} else {
loc.area_desc = _readString(file, descOffset)
op_descOffset = descOffset + int64(len(loc.area_desc)) + 1
// op_descOffset = file.Seek(0,1) // got the pos
// log.Printf("cPOS: %#v aPOS: %#v err: %#v",descOffset,op_descOffset,err3)
}
loc.op_desc = _readArea(file, op_descOffset)
} else if 0x02 == mod {
loc.area_desc = _readString(file, _readLong3(file, offset+5))
loc.op_desc = _readArea(file, offset+8)
} else {
loc.area_desc = _readString(file, offset+4)
op_descOffset = offset + 4 + int64(len(loc.area_desc)) + 1
//op_descOffset,_ = file.Seek(0,1)
loc.op_desc = _readArea(file, op_descOffset)
}
loc.ok = true
return
}
func _readString(file *bytes.Reader, offset int64) string {
buf := make([]byte, 1024)
got := int64(0)
for ; got < 1024; got++ {
file.ReadAt(buf[got:got+1], offset+got)
if buf[got] == 0x00 {
break
}
}
return string(buf[0:got])
}
func _readArea(file *bytes.Reader, offset int64) string {
buf := make([]byte, 4)
file.ReadAt(buf[0:1], offset)
mod := buf[0]
//log.Printf("A FLAG: %#v", mod)
if 0x01 == mod || 0x02 == mod {
op_descOffset := _readLong3(file, offset+1)
if op_descOffset == 0 {
return ""
} else {
return _readString(file, op_descOffset)
}
}
return _readString(file, offset)
}