21-peripherals-settings (#22)

Added the concept of peripheral settings.

Reviewed-on: #22

hardware/OS2LPeripheral.go

@@ -2,6 +2,7 @@ package hardware
 
 import (
 	"context"
+	"fmt"
 
 	"github.com/rs/zerolog/log"
 )
@@ -10,6 +11,8 @@ import (
 type OS2LPeripheral struct {
 	name         string // The name of the peripheral
 	serialNumber string // The serial number of the peripheral
+	serverIP     string // OS2L server IP
+	serverPort   int    // OS2L server port
 }
 
 // NewOS2LPeripheral creates a new OS2L peripheral
@@ -17,6 +20,8 @@ func NewOS2LPeripheral(name string, serialNumber string) *OS2LPeripheral {
 	log.Trace().Str("file", "OS2LPeripheral").Str("name", name).Str("s/n", serialNumber).Msg("OS2L peripheral created")
 	return &OS2LPeripheral{
 		name:         name,
+		serverIP:     "127.0.0.1",
+		serverPort:   9995,
 		serialNumber: serialNumber,
 	}
 }
@@ -45,11 +50,49 @@ func (p *OS2LPeripheral) Deactivate(ctx context.Context) error {
 	return nil
 }
 
+// SetPeripheralSettings sets a specific setting for this peripheral
+func (p *OS2LPeripheral) SetPeripheralSettings(settings map[string]interface{}) error {
+	// Check if the IP exists
+	serverIP, found := settings["os2lIp"]
+	if !found {
+		return fmt.Errorf("Unable to find the OS2L server IP")
+	}
+	// Check if it is a string
+	ipSetting, ok := serverIP.(string)
+	if ok {
+		p.serverIP = ipSetting
+
+	} else {
+		return fmt.Errorf("The specified IP is not a string")
+	}
+	// Check if the port exists
+	serverPort, found := settings["os2lPort"]
+	if !found {
+		return fmt.Errorf("Unable to find the OS2L server port")
+	}
+	// Check if it is a float and convert to int
+	portFloat, ok := serverPort.(float64)
+	if ok {
+		p.serverPort = int(portFloat)
+	} else {
+		return fmt.Errorf("The specified port is not an int")
+	}
+	return nil
+}
+
 // SetDeviceProperty - not implemented for this kind of peripheral
 func (p *OS2LPeripheral) SetDeviceProperty(context.Context, uint32, uint32, byte) error {
 	return nil
 }
 
+// GetSettings gets the peripheral settings
+func (p *OS2LPeripheral) GetSettings() map[string]interface{} {
+	return map[string]interface{}{
+		"os2lIp":   p.serverIP,
+		"os2lPort": p.serverPort,
+	}
+}
+
 // GetInfo gets the peripheral information
 func (p *OS2LPeripheral) GetInfo() PeripheralInfo {
 	return PeripheralInfo{