110 lines
2.6 KiB
Go
110 lines
2.6 KiB
Go
package ocpp
|
|
|
|
import (
|
|
"fmt"
|
|
"net/http"
|
|
"net/url"
|
|
"strings"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/evcc-io/evcc/util"
|
|
"github.com/lorenzodonini/ocpp-go/ocpp"
|
|
ocpp16 "github.com/lorenzodonini/ocpp-go/ocpp1.6"
|
|
"github.com/lorenzodonini/ocpp-go/ocpp1.6/core"
|
|
"github.com/lorenzodonini/ocpp-go/ocpp1.6/remotetrigger"
|
|
"github.com/lorenzodonini/ocpp-go/ocpp1.6/security"
|
|
"github.com/lorenzodonini/ocpp-go/ocpp1.6/smartcharging"
|
|
"github.com/lorenzodonini/ocpp-go/ocppj"
|
|
"github.com/lorenzodonini/ocpp-go/ws"
|
|
)
|
|
|
|
type Config struct {
|
|
Port int `json:"port"`
|
|
}
|
|
|
|
var (
|
|
once sync.Once
|
|
instance *CS
|
|
port = 8887
|
|
externalUrl string
|
|
)
|
|
|
|
// GetStatus returns the OCPP runtime status
|
|
func GetStatus() Status {
|
|
if instance == nil {
|
|
return Status{}
|
|
}
|
|
return instance.status()
|
|
}
|
|
|
|
// ExternalUrl returns the auto-generated OCPP external URL based on network external URL
|
|
func ExternalUrl() string {
|
|
if externalUrl == "" {
|
|
return ""
|
|
}
|
|
|
|
u, err := url.Parse(externalUrl)
|
|
if err != nil {
|
|
return ""
|
|
}
|
|
|
|
// Replace protocol: http -> ws, https -> wss
|
|
u.Scheme = strings.Replace(u.Scheme, "http", "ws", 1)
|
|
u.Host = fmt.Sprintf("%s:%d", strings.Split(u.Host, ":")[0], 8887) // deliberately fixed, port configurability only for testing
|
|
|
|
return u.String()
|
|
}
|
|
|
|
// Init initializes the OCPP server
|
|
func Init(cfg Config, networkExternalUrl string) {
|
|
port = cfg.Port
|
|
externalUrl = networkExternalUrl
|
|
}
|
|
|
|
func Instance() *CS {
|
|
once.Do(func() {
|
|
log := util.NewLogger("ocpp")
|
|
|
|
server := ws.NewServer()
|
|
server.SetCheckOriginHandler(func(r *http.Request) bool { return true })
|
|
|
|
dispatcher := ocppj.NewDefaultServerDispatcher(ocppj.NewFIFOQueueMap(0))
|
|
dispatcher.SetTimeout(Timeout)
|
|
|
|
endpoint := ocppj.NewServer(server, dispatcher, nil, core.Profile, remotetrigger.Profile, smartcharging.Profile, security.Profile)
|
|
endpoint.SetInvalidMessageHook(func(client ws.Channel, err *ocpp.Error, rawMessage string, parsedFields []any) *ocpp.Error {
|
|
log.ERROR.Printf("%v (%s)", err, rawMessage)
|
|
return nil
|
|
})
|
|
|
|
cs := ocpp16.NewCentralSystem(endpoint, server)
|
|
|
|
instance = &CS{
|
|
log: log,
|
|
regs: make(map[string]*registration),
|
|
CentralSystem: cs,
|
|
}
|
|
|
|
instance.txnId.Store(time.Now().UTC().Unix())
|
|
|
|
ocppj.SetLogger(instance)
|
|
|
|
cs.SetCoreHandler(instance)
|
|
cs.SetSecurityHandler(instance)
|
|
cs.SetNewChargePointHandler(instance.NewChargePoint)
|
|
cs.SetChargePointDisconnectedHandler(instance.ChargePointDisconnected)
|
|
|
|
go instance.errorHandler(cs.Errors())
|
|
go cs.Start(port, "/{ws}")
|
|
|
|
// wait for server to start
|
|
for range time.Tick(10 * time.Millisecond) {
|
|
if dispatcher.IsRunning() {
|
|
break
|
|
}
|
|
}
|
|
})
|
|
|
|
return instance
|
|
}
|