Files
tecamino-driver-artNet/driver/artNet.go
Adrian Zürcher b5d9d96c52 add resubscribe (in progress)
fix crash when no bus found in map
2025-05-28 22:00:04 +02:00

119 lines
2.9 KiB
Go

package driver
import (
"artNet/cfg"
"artNet/client"
"artNet/models"
"fmt"
"path"
"github.com/tecamino/tecamino-logger/logging"
)
type ArtNetDriver struct {
Name string `yaml:"driver" json:"driver"`
Buses map[string]*models.Bus `yaml:"buses,omitempty" json:"buses,omitempty"`
cfgHandler *cfg.Cfg `yaml:"-" json:"-"`
Conn *client.Client `yaml:"-" json:"-"`
Subscriptions models.Subscriptions `yaml:"-" json:"-"`
Log *logging.Logger `yaml:"-" json:"-"`
}
// initialize new Art-Net driver
// cfgDir config directory
// name name of driver
func NewDriver(cfgDir, name string, debug bool) (*ArtNetDriver, error) {
if cfgDir == "" {
cfgDir = "./cfg"
}
logger, err := logging.NewLogger(path.Join(cfgDir, name+".log"), &logging.Config{
MaxSize: 1,
MaxBackup: 3,
MaxAge: 28,
Debug: debug,
TerminalOut: true,
})
if err != nil {
panic(err)
}
logger.Debug("artNet.NewDriver", "initialize "+name+" driver")
d := ArtNetDriver{
Name: name,
Buses: make(map[string]*models.Bus),
cfgHandler: cfg.NewCfgHandler(cfgDir, name),
Log: logger,
}
if err := d.LoadCfg(); err != nil {
logger.Error("artNet.NewDriver.LoadCfg", "error load driver configuration: "+err.Error())
return nil, err
}
return &d, nil
}
// loads driver config
func (d *ArtNetDriver) LoadCfg() error {
d.Log.Debug("artNet.LoadCfg", "load driver configuration")
if err := d.cfgHandler.LoadCfg(d); err != nil {
return err
}
for name, b := range d.Buses {
d.NewBus(name, b.Ip, *b.Port)
}
return nil
}
// adds new Art-Net bus/interface to driver port 0 = 6454 (default art-net)
func (d *ArtNetDriver) NewBus(name, ip string, port int) *models.Bus {
b := models.NewBus(name, ip, port)
d.Buses[name] = b
return b
}
func (d *ArtNetDriver) SetValue(bus string, address uint, value uint8) error {
if _, ok := d.Buses[bus]; !ok {
return fmt.Errorf("no bus '%s' found", bus)
}
if d.Buses[bus].Data == nil {
return fmt.Errorf("no dmx data on bus '%s' found", bus)
}
d.Buses[bus].Data.SetValue(address, value)
return d.Buses[bus].SendData()
}
// connect to websocket server and listen to subscriptions
// ip: ip address of server
// id: id of driver
// port: port of server
func (d *ArtNetDriver) Connect(ip, id string, port uint) error {
d.Conn = client.NewClient(d.Log)
if err := d.Conn.Connect(ip, id, port); err != nil {
return err
}
defer d.Conn.Disconnect()
if err := d.Conn.Subscribe(id); err != nil {
return err
}
for {
respond, err := d.Conn.ReadJsonData()
if err != nil {
return err
}
d.Subscribe(respond.Subscribe...)
for _, pub := range respond.Publish {
if sub, ok := d.Subscriptions[pub.Uuid]; ok {
if err := d.SetValue(sub.Bus, sub.Address, uint8(pub.Value.(float64))); err != nil {
d.Log.Info("artNet.Connect", err.Error())
}
}
}
}
}