kvm/usb.go

72 lines
1.4 KiB
Go

package kvm
import (
"time"
"github.com/jetkvm/kvm/internal/usbgadget"
)
var gadget *usbgadget.UsbGadget
// initUsbGadget initializes the USB gadget.
// call it only after the config is loaded.
func initUsbGadget() {
gadget = usbgadget.NewUsbGadget(
"jetkvm",
config.UsbDevices,
config.UsbConfig,
usbLogger,
)
go func() {
for {
checkUSBState()
time.Sleep(500 * time.Millisecond)
}
}()
}
func rpcKeyboardReport(modifier uint8, keys []uint8) error {
return gadget.KeyboardReport(modifier, keys)
}
func rpcAbsMouseReport(x, y int, buttons uint8) error {
return gadget.AbsMouseReport(x, y, buttons)
}
func rpcRelMouseReport(dx, dy int8, buttons uint8) error {
return gadget.RelMouseReport(dx, dy, buttons)
}
func rpcWheelReport(wheelY int8) error {
return gadget.AbsMouseWheelReport(wheelY)
}
var usbState = "unknown"
func rpcGetUSBState() (state string) {
return gadget.GetUsbState()
}
func triggerUSBStateUpdate() {
go func() {
if currentSession == nil {
usbLogger.Info().Msg("No active RPC session, skipping update state update")
return
}
writeJSONRPCEvent("usbState", usbState, currentSession)
}()
}
func checkUSBState() {
newState := gadget.GetUsbState()
if newState == usbState {
return
}
usbState = newState
usbLogger.Info().Str("from", usbState).Str("to", newState).Msg("USB state changed")
requestDisplayUpdate()
triggerUSBStateUpdate()
}