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e3dc.go
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e3dc.go
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package main
import (
"fmt"
"os"
"github.com/jnovack/flag"
"github.com/sirupsen/logrus"
"github.com/spali/go-rscp/rscp"
)
type config struct {
host string
port uint
user string
password string
key string
}
var conf = config{}
//nolint:funlen
func run() int {
fs := flag.NewFlagSetWithEnvPrefix(os.Args[0], "E3DC", flag.ContinueOnError)
fs.String(flag.DefaultConfigFlagname, ".config", "path to config file")
fs.StringVar(&conf.host, "host", "", "e3dc server host")
fs.UintVar(&conf.port, "port", 5033, "e3dc server host port") //nolint:gomnd
fs.StringVar(&conf.user, "user", "", "e3dc user")
fs.StringVar(&conf.password, "password", "", "e3dc password (consider using a config file or environment variable)")
fs.StringVar(&conf.key, "key", "", "rscp key")
if err := fs.Parse(os.Args[1:]); err != nil {
fmt.Fprintf(os.Stderr, "config parse error: %s\n", err)
}
c, err := rscp.NewClient(rscp.ClientConfig{
Address: conf.host,
Port: uint16(conf.port),
Username: conf.user,
Password: conf.password,
Key: conf.key,
UseChecksum: true,
})
if err != nil {
fmt.Fprintf(os.Stderr, "Connection error: %s\n", err)
return 1
}
rscp.Log.SetLevel(logrus.WarnLevel)
rscp.Log.SetOutput(os.Stderr)
defer func() { _ = c.Disconnect() }() // make sure to disconnect at the end
{
//
// single simple request with simple response.
//
request := rscp.Message{
Tag: rscp.INFO_REQ_MAC_ADDRESS,
DataType: rscp.None,
Value: nil,
}
var response *rscp.Message
if response, err = c.Send(request); err != nil {
fmt.Fprintf(os.Stderr, "Send error: %s\n", err)
return 1
}
// prints (prettified and replaced Tag and DataType numbers with constants):
//
// rscp.Message{
// Tag: rscp.INFO_MAC_ADDRESS,
// DataType: rscp.CString,
// Value: "00:00:00:00:00:00",
// }
fmt.Printf("%#v\n", *response)
}
{
//
// single simple request with container response.
//
request := rscp.Message{
Tag: rscp.INFO_REQ_INFO,
DataType: rscp.None,
Value: nil,
}
var response *rscp.Message
if response, err = c.Send(request); err != nil {
fmt.Fprintf(os.Stderr, "Send error: %s\n", err)
return 1
}
// prints (prettified and replaced Tag and DataType numbers with constants):
//
// rscp.Message{
// Tag: rscp.INFO_INFO,
// DataType: rscp.Container,
// Value: []rscp.Message{
// {
// Tag: rscp.INFO_SERIAL_NUMBER,
// DataType: rscp.CString,
// Value: "Q10-000000000000",
// },
// {
// Tag: rscp.INFO_PRODUCTION_DATE,
// DataType: rscp.Timestamp,
// Value: time.Date(1970, time.January, 1, 0, 0, 0, 0, time.UTC),
// },
// {
// Tag: rscp.INFO_MAC_ADDRESS,
// DataType: rscp.CString,
// Value: "00:00:00:00:00:00",
// },
// },
// }
fmt.Printf("%#v\n", *response)
}
{
//
// single container request with container response.
//
request := rscp.Message{
Tag: rscp.BAT_REQ_DATA,
DataType: rscp.Container,
Value: []rscp.Message{
{
Tag: rscp.BAT_INDEX,
DataType: rscp.UInt16,
Value: uint16(0),
},
{
Tag: rscp.BAT_REQ_SPECIFICATION,
DataType: rscp.None,
Value: nil,
},
},
}
var response *rscp.Message
if response, err = c.Send(request); err != nil {
fmt.Fprintf(os.Stderr, "Send error: %s\n", err)
return 1
}
// prints (prettified and replaced Tag and DataType numbers with constants):
//
// rscp.Message{
// Tag: rscp.BAT_DATA,
// DataType: rscp.Container,
// Value: []rscp.Message{
// rscp.Message{
// Tag: rscp.BAT_INDEX,
// DataType: rscp.UInt16,
// Value: 0,
// },
// rscp.Message{
// Tag: rscp.BAT_SPECIFICATION,
// DataType: rscp.Container,
// Value: []rscp.Message{
// rscp.Message{
// Tag: rscp.BAT_SPECIFIED_CAPACITY,
// DataType: rscp.Int32,
// Value: 26107,
// },
// rscp.Message{
// Tag: rscp.BAT_SPECIFIED_DSCHARGE_POWER,
// DataType: rscp.Int32,
// Value: 12000,
// },
// rscp.Message{
// Tag: rscp.BAT_SPECIFIED_CHARGE_POWER,
// DataType: rscp.Int32,
// Value: 12000,
// },
// rscp.Message{
// Tag: rscp.BAT_SPECIFIED_MAX_DCB_COUNT,
// DataType: rscp.Int32,
// Value: 8,
// },
// rscp.Message{
// Tag: rscp.BAT_ROLE,
// DataType: rscp.Uint32,
// Value: 257,
// },
// },
// },
// },
// }
fmt.Printf("%#v\n", *response)
}
{
//
// all together from above in a single request and response.
//
requests := []rscp.Message{
{
Tag: rscp.INFO_REQ_MAC_ADDRESS,
DataType: rscp.None,
Value: nil,
},
{
Tag: rscp.INFO_REQ_INFO,
DataType: rscp.None,
Value: nil,
},
{
Tag: rscp.BAT_REQ_DATA,
DataType: rscp.Container,
Value: []rscp.Message{
{
Tag: rscp.BAT_INDEX,
DataType: rscp.UInt16,
Value: uint16(0),
},
{
Tag: rscp.BAT_REQ_SPECIFICATION,
DataType: rscp.None,
Value: nil,
},
},
},
}
var responses []rscp.Message
if responses, err = c.SendMultiple(requests); err != nil {
fmt.Fprintf(os.Stderr, "Send error: %s\n", err)
return 1
}
// prints (prettified and replaced Tag and DataType numbers with constants):
// []rscp.Message{
// {
// Tag: rscp.INFO_MAC_ADDRESS,
// DataType: rscp.CString,
// Value: "00:00:00:00:00:00",
// },
// {
// Tag: rscp.INFO_INFO,
// DataType: rscp.Container,
// Value: []rscp.Message{
// {
// Tag: rscp.INFO_SERIAL_NUMBER,
// DataType: rscp.CString,
// Value: "Q10-000000000000",
// },
// {
// Tag: rscp.INFO_PRODUCTION_DATE,
// DataType: rscp.Timestamp,
// Value: time.Date(1970, time.January, 1, 0, 0, 0, 0, time.UTC),
// },
// {
// Tag: rscp.INFO_MAC_ADDRESS,
// DataType: rscp.CString,
// Value: "00:00:00:00:00:00",
// },
// },
// },
// {
// Tag: rscp.BAT_DATA,
// DataType: rscp.Container,
// Value: []rscp.Message{
// {
// Tag: rscp.BAT_INDEX,
// DataType: rscp.UInt16,
// Value: 0,
// },
// {
// Tag: rscp.BAT_SPECIFICATION,
// DataType: rscp.Container,
// Value: []rscp.Message{
// {
// Tag: rscp.BAT_SPECIFIED_CAPACITY,
// DataType: rscp.Int32,
// Value: 26107,
// },
// {
// Tag: rscp.BAT_SPECIFIED_DSCHARGE_POWER,
// DataType: rscp.Int32,
// Value: 12000,
// },
// {
// Tag: rscp.BAT_SPECIFIED_CHARGE_POWER,
// DataType: rscp.Int32,
// Value: 12000,
// },
// {
// Tag: rscp.BAT_SPECIFIED_MAX_DCB_COUNT,
// DataType: rscp.Int32,
// Value: 8,
// },
// {
// Tag: rscp.BAT_ROLE,
// DataType: rscp.Uint32,
// Value: 257,
// },
// },
// },
// },
// },
// }
fmt.Printf("%#v\n", responses)
}
return 0
}
//nolint:lll
func main() {
// for reference, the whole output exactly as printed:
//
// rscp.Message{Tag:0xa80000a, DataType:0xd, Value:"00:00:00:00:00:00"}
// rscp.Message{Tag:0xa800011, DataType:0xe, Value:[]rscp.Message{rscp.Message{Tag:0xa800001, DataType:0xd, Value:"Q10-000000000000"}, rscp.Message{Tag:0xa800002, DataType:0xf, Value:time.Date(1970, time.January, 1, 0, 0, 0, 0, time.UTC)}, rscp.Message{Tag:0xa80000a, DataType:0xd, Value:"00:00:00:00:00:00"}}}
// rscp.Message{Tag:0x3840000, DataType:0xe, Value:[]rscp.Message{rscp.Message{Tag:0x3040001, DataType:0x5, Value:0x0}, rscp.Message{Tag:0x3800043, DataType:0xe, Value:[]rscp.Message{rscp.Message{Tag:0x3800125, DataType:0x6, Value:26107}, rscp.Message{Tag:0x3800126, DataType:0x6, Value:12000}, rscp.Message{Tag:0x3800127, DataType:0x6, Value:12000}, rscp.Message{Tag:0x3800128, DataType:0x6, Value:8}, rscp.Message{Tag:0x3800129, DataType:0x7, Value:0x101}}}}}
// []rscp.Message{rscp.Message{Tag:0xa80000a, DataType:0xd, Value:"00:00:00:00:00:00"}, rscp.Message{Tag:0xa800011, DataType:0xe, Value:[]rscp.Message{rscp.Message{Tag:0xa800001, DataType:0xd, Value:"Q10-000000000000"}, rscp.Message{Tag:0xa800002, DataType:0xf, Value:time.Date(1970, time.January, 1, 0, 0, 0, 0, time.UTC)}, rscp.Message{Tag:0xa80000a, DataType:0xd, Value:"00:00:00:00:00:00"}}}, rscp.Message{Tag:0x3840000, DataType:0xe, Value:[]rscp.Message{rscp.Message{Tag:0x3040001, DataType:0x5, Value:0x0}, rscp.Message{Tag:0x3800043, DataType:0xe, Value:[]rscp.Message{rscp.Message{Tag:0x3800125, DataType:0x6, Value:26107}, rscp.Message{Tag:0x3800126, DataType:0x6, Value:12000}, rscp.Message{Tag:0x3800127, DataType:0x6, Value:12000}, rscp.Message{Tag:0x3800128, DataType:0x6, Value:8}, rscp.Message{Tag:0x3800129, DataType:0x7, Value:0x101}}}}}}
os.Exit(run())
}