Add usb_driver to common boot_command and use it on vsphere
This commit is contained in:
Moss
parent
fcf7e634d9
commit
585a86fe03
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@ -0,0 +1,54 @@
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package common
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import (
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"context"
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"fmt"
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"net"
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"github.com/hashicorp/packer/helper/multistep"
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)
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// Step to discover the http ip
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// which guests use to reach the vm host
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// To make sure the IP is set before boot command and http server steps
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type StepHTTPIPDiscover struct {
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HTTPIP string
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}
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func (s *StepHTTPIPDiscover) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
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ip, err := getHostIP(s.HTTPIP)
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if err != nil {
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state.Put("error", err)
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return multistep.ActionHalt
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}
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state.Put("http_ip", ip)
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return multistep.ActionContinue
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}
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func (s *StepHTTPIPDiscover) Cleanup(state multistep.StateBag) {}
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func getHostIP(s string) (string, error) {
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if s != "" {
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if net.ParseIP(s) != nil {
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return s, nil
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} else {
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return "", fmt.Errorf("invalid IP address")
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}
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}
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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return "", err
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}
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for _, a := range addrs {
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ipnet, ok := a.(*net.IPNet)
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if ok && !ipnet.IP.IsLoopback() {
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if ipnet.IP.To4() != nil {
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return ipnet.IP.String(), nil
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}
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}
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}
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return "", fmt.Errorf("IP not found")
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}
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@ -1,9 +1,6 @@
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package driver
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import (
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"strings"
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"unicode"
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"github.com/vmware/govmomi/vim25/methods"
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"github.com/vmware/govmomi/vim25/types"
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"golang.org/x/mobile/event/key"
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@ -17,58 +14,7 @@ type KeyInput struct {
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Shift bool
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}
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var scancodeMap = make(map[rune]key.Code)
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func init() {
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scancodeIndex := make(map[string]key.Code)
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scancodeIndex["abcdefghijklmnopqrstuvwxyz"] = key.CodeA
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scancodeIndex["ABCDEFGHIJKLMNOPQRSTUVWXYZ"] = key.CodeA
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scancodeIndex["1234567890"] = key.Code1
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scancodeIndex["!@#$%^&*()"] = key.Code1
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scancodeIndex[" "] = key.CodeSpacebar
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scancodeIndex["-=[]\\"] = key.CodeHyphenMinus
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scancodeIndex["_+{}|"] = key.CodeHyphenMinus
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scancodeIndex[";'`,./"] = key.CodeSemicolon
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scancodeIndex[":\"~<>?"] = key.CodeSemicolon
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for chars, start := range scancodeIndex {
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for i, r := range chars {
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scancodeMap[r] = start + key.Code(i)
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}
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}
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}
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const shiftedChars = "!@#$%^&*()_+{}|:\"~<>?"
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func (vm *VirtualMachine) TypeOnKeyboard(input KeyInput) (int32, error) {
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var spec types.UsbScanCodeSpec
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for _, r := range input.Message {
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scancode := scancodeMap[r]
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shift := input.Shift || unicode.IsUpper(r) || strings.ContainsRune(shiftedChars, r)
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spec.KeyEvents = append(spec.KeyEvents, types.UsbScanCodeSpecKeyEvent{
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// https://github.com/lamw/vghetto-scripts/blob/f74bc8ba20064f46592bcce5a873b161a7fa3d72/powershell/VMKeystrokes.ps1#L130
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UsbHidCode: int32(scancode)<<16 | 7,
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Modifiers: &types.UsbScanCodeSpecModifierType{
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LeftControl: &input.Ctrl,
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LeftAlt: &input.Alt,
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LeftShift: &shift,
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},
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})
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}
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if input.Scancode != 0 {
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spec.KeyEvents = append(spec.KeyEvents, types.UsbScanCodeSpecKeyEvent{
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UsbHidCode: int32(input.Scancode)<<16 | 7,
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Modifiers: &types.UsbScanCodeSpecModifierType{
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LeftControl: &input.Ctrl,
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LeftAlt: &input.Alt,
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LeftShift: &input.Shift,
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},
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})
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}
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func (vm *VirtualMachine) TypeOnKeyboard(spec types.UsbScanCodeSpec) (int32, error) {
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req := &types.PutUsbScanCodes{
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This: vm.vm.Reference(),
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Spec: spec,
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@ -30,6 +30,7 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, []string, error) {
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func (b *Builder) Run(ctx context.Context, ui packer.Ui, hook packer.Hook) (packer.Artifact, error) {
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state := new(multistep.BasicStateBag)
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state.Put("debug", b.config.PackerDebug)
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state.Put("hook", hook)
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state.Put("ui", ui)
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@ -89,6 +90,9 @@ func (b *Builder) Run(ctx context.Context, ui packer.Ui, hook packer.Hook) (pack
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Host: b.config.Host,
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SetHostForDatastoreUploads: b.config.SetHostForDatastoreUploads,
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},
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&common.StepHTTPIPDiscover{
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HTTPIP: b.config.BootConfig.HTTPIP,
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},
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&packerCommon.StepHTTPServer{
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HTTPDir: b.config.HTTPDir,
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HTTPPortMin: b.config.HTTPPortMin,
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@ -76,7 +76,7 @@ func (c *Config) Prepare(raws ...interface{}) ([]string, error) {
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errs = packer.MultiErrorAppend(errs, c.HTTPConfig.Prepare(&c.ctx)...)
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errs = packer.MultiErrorAppend(errs, c.CDRomConfig.Prepare()...)
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errs = packer.MultiErrorAppend(errs, c.BootConfig.Prepare()...)
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errs = packer.MultiErrorAppend(errs, c.BootConfig.Prepare(&c.ctx)...)
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errs = packer.MultiErrorAppend(errs, c.WaitIpConfig.Prepare()...)
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errs = packer.MultiErrorAppend(errs, c.Comm.Prepare(&c.ctx)...)
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errs = packer.MultiErrorAppend(errs, c.ShutdownConfig.Prepare()...)
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@ -3,24 +3,18 @@ package iso
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import (
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"context"
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"fmt"
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"log"
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"net"
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"os"
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"strings"
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"time"
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"unicode/utf8"
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"github.com/hashicorp/packer/builder/vsphere/driver"
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packerCommon "github.com/hashicorp/packer/common"
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"github.com/hashicorp/packer/common/bootcommand"
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"github.com/hashicorp/packer/helper/multistep"
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"github.com/hashicorp/packer/packer"
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"github.com/hashicorp/packer/template/interpolate"
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"github.com/vmware/govmomi/vim25/types"
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"golang.org/x/mobile/event/key"
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"time"
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)
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type BootConfig struct {
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BootCommand []string `mapstructure:"boot_command"`
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BootWait time.Duration `mapstructure:"boot_wait"` // example: "1m30s"; default: "10s"
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bootcommand.BootConfig `mapstructure:",squash"`
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HTTPIP string `mapstructure:"http_ip"`
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}
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@ -30,13 +24,15 @@ type bootCommandTemplateData struct {
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Name string
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}
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func (c *BootConfig) Prepare() []error {
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func (c *BootConfig) Prepare(ctx *interpolate.Context) []error {
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var errs []error
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if c.BootWait == 0 {
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c.BootWait = 10 * time.Second
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}
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c.BootConfig.Prepare(ctx)
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return errs
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}
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@ -46,44 +42,8 @@ type StepBootCommand struct {
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Ctx interpolate.Context
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}
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var special = map[string]key.Code{
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"<enter>": key.CodeReturnEnter,
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"<esc>": key.CodeEscape,
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"<bs>": key.CodeDeleteBackspace,
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"<del>": key.CodeDeleteForward,
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"<tab>": key.CodeTab,
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"<f1>": key.CodeF1,
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"<f2>": key.CodeF2,
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"<f3>": key.CodeF3,
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"<f4>": key.CodeF4,
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"<f5>": key.CodeF5,
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"<f6>": key.CodeF6,
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"<f7>": key.CodeF7,
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"<f8>": key.CodeF8,
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"<f9>": key.CodeF9,
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"<f10>": key.CodeF10,
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"<f11>": key.CodeF11,
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"<f12>": key.CodeF12,
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"<insert>": key.CodeInsert,
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"<home>": key.CodeHome,
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"<end>": key.CodeEnd,
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"<pageUp>": key.CodePageUp,
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"<pageDown>": key.CodePageDown,
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"<left>": key.CodeLeftArrow,
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"<right>": key.CodeRightArrow,
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"<up>": key.CodeUpArrow,
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"<down>": key.CodeDownArrow,
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}
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var keyInterval = packerCommon.PackerKeyDefault
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func init() {
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if delay, err := time.ParseDuration(os.Getenv(packerCommon.PackerKeyEnv)); err == nil {
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keyInterval = delay
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}
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}
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func (s *StepBootCommand) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
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func (s *StepBootCommand) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
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debug := state.Get("debug").(bool)
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ui := state.Get("ui").(packer.Ui)
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vm := state.Get("vm").(*driver.VirtualMachine)
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@ -91,28 +51,25 @@ func (s *StepBootCommand) Run(_ context.Context, state multistep.StateBag) multi
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return multistep.ActionContinue
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}
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ui.Say(fmt.Sprintf("Waiting %s for boot...", s.Config.BootWait))
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wait := time.After(s.Config.BootWait)
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WAITLOOP:
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for {
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// Wait the for the vm to boot.
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if int64(s.Config.BootWait) > 0 {
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ui.Say(fmt.Sprintf("Waiting %s for boot...", s.Config.BootWait.String()))
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select {
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case <-wait:
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break WAITLOOP
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case <-time.After(1 * time.Second):
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if _, ok := state.GetOk(multistep.StateCancelled); ok {
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case <-time.After(s.Config.BootWait):
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break
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case <-ctx.Done():
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return multistep.ActionHalt
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}
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}
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var pauseFn multistep.DebugPauseFn
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if debug {
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pauseFn = state.Get("pauseFn").(multistep.DebugPauseFn)
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}
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port := state.Get("http_port").(int)
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if port > 0 {
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ip, err := getHostIP(s.Config.HTTPIP)
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if err != nil {
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state.Put("error", err)
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return multistep.ActionHalt
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}
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state.Put("http_ip", ip)
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ip := state.Get("http_ip").(string)
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s.Ctx.Data = &bootCommandTemplateData{
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ip,
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port,
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@ -121,136 +78,72 @@ WAITLOOP:
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ui.Say(fmt.Sprintf("HTTP server is working at http://%v:%v/", ip, port))
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}
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ui.Say("Typing boot command...")
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var keyAlt bool
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var keyCtrl bool
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var keyShift bool
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for _, command := range s.Config.BootCommand {
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message, err := interpolate.Render(command, &s.Ctx)
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if err != nil {
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state.Put("error", err)
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return multistep.ActionHalt
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sendCodes := func(codes []key.Code, downs []bool) error {
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var spec types.UsbScanCodeSpec
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for i, code := range codes {
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var keyAlt, keyCtrl, keyShift bool
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switch code {
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case key.CodeLeftAlt:
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// <leftAltOn>
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keyAlt = downs[i]
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case key.CodeLeftControl:
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// <leftCtrlOn>
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keyCtrl = downs[i]
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case key.CodeLeftShift:
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// <leftShiftOn>
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keyShift = downs[i]
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}
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for len(message) > 0 {
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if _, ok := state.GetOk(multistep.StateCancelled); ok {
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return multistep.ActionHalt
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}
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if strings.HasPrefix(message, "<wait>") {
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log.Printf("Waiting 1 second")
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time.Sleep(1 * time.Second)
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message = message[len("<wait>"):]
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continue
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}
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if strings.HasPrefix(message, "<wait5>") {
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log.Printf("Waiting 5 seconds")
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time.Sleep(5 * time.Second)
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message = message[len("<wait5>"):]
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continue
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}
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if strings.HasPrefix(message, "<wait10>") {
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log.Printf("Waiting 10 seconds")
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time.Sleep(10 * time.Second)
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message = message[len("<wait10>"):]
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continue
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}
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if strings.HasPrefix(message, "<leftAltOn>") {
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keyAlt = true
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message = message[len("<leftAltOn>"):]
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continue
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}
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if strings.HasPrefix(message, "<leftAltOff>") {
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keyAlt = false
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message = message[len("<leftAltOff>"):]
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continue
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}
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if strings.HasPrefix(message, "<leftCtrlOn>") {
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keyCtrl = true
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message = message[len("<leftCtrlOn>"):]
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continue
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}
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if strings.HasPrefix(message, "<leftCtrlOff>") {
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keyCtrl = false
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message = message[len("<leftCtrlOff>"):]
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continue
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}
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if strings.HasPrefix(message, "<leftShiftOn>") {
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keyShift = true
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message = message[len("<leftShiftOn>"):]
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continue
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}
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if strings.HasPrefix(message, "<leftShiftOff>") {
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keyShift = false
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message = message[len("<leftShiftOff>"):]
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continue
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}
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var scancode key.Code
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for specialCode, specialValue := range special {
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if strings.HasPrefix(message, specialCode) {
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scancode = specialValue
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log.Printf("Special code '%s' found, replacing with: %s", specialCode, specialValue)
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message = message[len(specialCode):]
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}
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}
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var char rune
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if scancode == 0 {
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var size int
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char, size = utf8.DecodeRuneInString(message)
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message = message[size:]
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}
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_, err := vm.TypeOnKeyboard(driver.KeyInput{
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Message: string(char),
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Scancode: scancode,
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Ctrl: keyCtrl,
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Alt: keyAlt,
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Shift: keyShift,
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spec.KeyEvents = append(spec.KeyEvents, types.UsbScanCodeSpecKeyEvent{
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UsbHidCode: int32(code)<<16 | 7,
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Modifiers: &types.UsbScanCodeSpecModifierType{
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LeftControl: &keyCtrl,
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LeftAlt: &keyAlt,
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LeftShift: &keyShift,
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},
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})
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}
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_, err := vm.TypeOnKeyboard(spec)
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if err != nil {
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state.Put("error", fmt.Errorf("error typing a boot command: %v", err))
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return fmt.Errorf("error typing a boot command: %v", err)
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}
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return nil
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}
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d := bootcommand.NewUSBDriver(sendCodes, s.Config.BootGroupInterval)
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ui.Say("Typing boot command...")
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flatBootCommand := s.Config.FlatBootCommand()
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command, err := interpolate.Render(flatBootCommand, &s.Ctx)
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if err != nil {
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err := fmt.Errorf("Error preparing boot command: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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time.Sleep(keyInterval)
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seq, err := bootcommand.GenerateExpressionSequence(command)
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if err != nil {
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err := fmt.Errorf("Error generating boot command: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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if err := seq.Do(ctx, d); err != nil {
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err := fmt.Errorf("Error running boot command: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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if pauseFn != nil {
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pauseFn(multistep.DebugLocationAfterRun, fmt.Sprintf("boot_command: %s", command), state)
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}
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return multistep.ActionContinue
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}
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func (s *StepBootCommand) Cleanup(state multistep.StateBag) {}
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func getHostIP(s string) (string, error) {
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if s != "" {
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if net.ParseIP(s) != nil {
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return s, nil
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} else {
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return "", fmt.Errorf("invalid IP address")
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}
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}
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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return "", err
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}
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for _, a := range addrs {
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ipnet, ok := a.(*net.IPNet)
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if ok && !ipnet.IP.IsLoopback() {
|
||||
if ipnet.IP.To4() != nil {
|
||||
return ipnet.IP.String(), nil
|
||||
}
|
||||
}
|
||||
}
|
||||
return "", fmt.Errorf("IP not found")
|
||||
}
|
||||
func (s *StepBootCommand) Cleanup(_ multistep.StateBag) {}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,53 @@
|
|||
package iso
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"context"
|
||||
"github.com/hashicorp/packer/builder/vsphere/driver"
|
||||
"github.com/hashicorp/packer/common/bootcommand"
|
||||
"github.com/hashicorp/packer/helper/multistep"
|
||||
"github.com/hashicorp/packer/packer"
|
||||
"testing"
|
||||
)
|
||||
|
||||
func TestStepBootCommand_Run(t *testing.T) {
|
||||
state := new(multistep.BasicStateBag)
|
||||
state.Put("ui", &packer.BasicUi{
|
||||
Reader: new(bytes.Buffer),
|
||||
Writer: new(bytes.Buffer),
|
||||
})
|
||||
state.Put("debug", false)
|
||||
state.Put("vm", new(driver.VirtualMachine))
|
||||
|
||||
state.Put("http_port", 2222)
|
||||
state.Put("http_ip", "0.0.0.0")
|
||||
|
||||
step := &StepBootCommand{
|
||||
Config: &BootConfig{
|
||||
BootConfig: bootcommand.BootConfig{
|
||||
BootCommand: []string{
|
||||
" initrd=/install/initrd.gz",
|
||||
"<leftShiftOn><enter><wait><f6><wait><esc><wait>",
|
||||
"<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
|
||||
"<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
|
||||
"<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
|
||||
"<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
|
||||
"<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
|
||||
"<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
|
||||
"<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
|
||||
"<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
|
||||
"<bs><bs><bs>",
|
||||
"/install/vmlinuz",
|
||||
" initrd=/install/initrd.gz",
|
||||
" priority=critical",
|
||||
" locale=en_US",
|
||||
" file=/media/preseed_hardcoded_ip.cfg",
|
||||
" netcfg/get_ipaddress=0.0.0.0",
|
||||
" netcfg/get_gateway=0.0.0.0",
|
||||
"<enter>",
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
step.Run(context.TODO(), state)
|
||||
}
|
||||
|
|
@ -0,0 +1,186 @@
|
|||
package bootcommand
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"github.com/hashicorp/packer/builder/vsphere/driver"
|
||||
"github.com/hashicorp/packer/common"
|
||||
"golang.org/x/mobile/event/key"
|
||||
"log"
|
||||
"os"
|
||||
"strings"
|
||||
"time"
|
||||
"unicode"
|
||||
)
|
||||
|
||||
// SendUsbScanCodes will be called to send codes to the VM
|
||||
type SendUsbScanCodes func([]key.Code, []bool) error
|
||||
|
||||
type usbDriver struct {
|
||||
vm *driver.VirtualMachine
|
||||
|
||||
sendImpl SendUsbScanCodes
|
||||
interval time.Duration
|
||||
specialMap map[string]key.Code
|
||||
scancodeMap map[rune]key.Code
|
||||
|
||||
codeBuffer []key.Code
|
||||
downBuffer []bool
|
||||
|
||||
// keyEvent can set this error which will prevent it from continuing
|
||||
err error
|
||||
}
|
||||
|
||||
func NewUSBDriver(send SendUsbScanCodes, interval time.Duration) *usbDriver {
|
||||
// We delay (default 100ms) between each key event to allow for CPU or
|
||||
// network latency. See PackerKeyEnv for tuning.
|
||||
keyInterval := common.PackerKeyDefault
|
||||
if delay, err := time.ParseDuration(os.Getenv(common.PackerKeyEnv)); err == nil {
|
||||
keyInterval = delay
|
||||
}
|
||||
// override interval based on builder-specific override.
|
||||
if interval > time.Duration(0) {
|
||||
keyInterval = interval
|
||||
}
|
||||
|
||||
special := map[string]key.Code{
|
||||
"enter": key.CodeReturnEnter,
|
||||
"esc": key.CodeEscape,
|
||||
"bs": key.CodeDeleteBackspace,
|
||||
"del": key.CodeDeleteForward,
|
||||
"tab": key.CodeTab,
|
||||
"f1": key.CodeF1,
|
||||
"f2": key.CodeF2,
|
||||
"f3": key.CodeF3,
|
||||
"f4": key.CodeF4,
|
||||
"f5": key.CodeF5,
|
||||
"f6": key.CodeF6,
|
||||
"f7": key.CodeF7,
|
||||
"f8": key.CodeF8,
|
||||
"f9": key.CodeF9,
|
||||
"f10": key.CodeF10,
|
||||
"f11": key.CodeF11,
|
||||
"f12": key.CodeF12,
|
||||
"insert": key.CodeInsert,
|
||||
"home": key.CodeHome,
|
||||
"end": key.CodeEnd,
|
||||
"pageUp": key.CodePageUp,
|
||||
"pageDown": key.CodePageDown,
|
||||
"left": key.CodeLeftArrow,
|
||||
"right": key.CodeRightArrow,
|
||||
"up": key.CodeUpArrow,
|
||||
"down": key.CodeDownArrow,
|
||||
"leftalt": key.CodeLeftAlt,
|
||||
"leftctrl": key.CodeLeftControl,
|
||||
"leftshift": key.CodeLeftShift,
|
||||
"rightalt": key.CodeRightAlt,
|
||||
"rightctrl": key.CodeRightControl,
|
||||
"rightshift": key.CodeRightShift,
|
||||
}
|
||||
|
||||
scancodeIndex := make(map[string]key.Code)
|
||||
scancodeIndex["abcdefghijklmnopqrstuvwxyz"] = key.CodeA
|
||||
scancodeIndex["ABCDEFGHIJKLMNOPQRSTUVWXYZ"] = key.CodeA
|
||||
scancodeIndex["1234567890"] = key.Code1
|
||||
scancodeIndex["!@#$%^&*()"] = key.Code1
|
||||
scancodeIndex[" "] = key.CodeSpacebar
|
||||
scancodeIndex["-=[]\\"] = key.CodeHyphenMinus
|
||||
scancodeIndex["_+{}|"] = key.CodeHyphenMinus
|
||||
scancodeIndex[";'`,./"] = key.CodeSemicolon
|
||||
scancodeIndex[":\"~<>?"] = key.CodeSemicolon
|
||||
|
||||
var scancodeMap = make(map[rune]key.Code)
|
||||
for chars, start := range scancodeIndex {
|
||||
for i, r := range chars {
|
||||
scancodeMap[r] = start + key.Code(i)
|
||||
}
|
||||
}
|
||||
|
||||
return &usbDriver{
|
||||
sendImpl: send,
|
||||
specialMap: special,
|
||||
interval: keyInterval,
|
||||
scancodeMap: scancodeMap,
|
||||
}
|
||||
}
|
||||
|
||||
//func (d *usbDriver) keyEvent(k key.Code, down bool) error {
|
||||
// if d.err != nil {
|
||||
// return nil
|
||||
// }
|
||||
// if err := d.sendImpl(k, down); err != nil {
|
||||
// d.err = err
|
||||
// return err
|
||||
// }
|
||||
// //time.Sleep(d.interval)
|
||||
// return nil
|
||||
//}
|
||||
|
||||
// Flush does nothing here
|
||||
func (d *usbDriver) Flush() error {
|
||||
defer func() {
|
||||
d.codeBuffer = nil
|
||||
}()
|
||||
|
||||
if err := d.sendImpl(d.codeBuffer, d.downBuffer); err != nil {
|
||||
return err
|
||||
}
|
||||
time.Sleep(d.interval)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (d *usbDriver) SendKey(k rune, action KeyAction) error {
|
||||
keyShift := unicode.IsUpper(k) || strings.ContainsRune(shiftedChars, k)
|
||||
keyCode := d.scancodeMap[k]
|
||||
log.Printf("Sending char '%c', code %s, shift %v", k, keyCode, keyShift)
|
||||
|
||||
switch action {
|
||||
case KeyOn:
|
||||
if keyShift {
|
||||
d.send(key.CodeLeftShift, true)
|
||||
}
|
||||
d.send(keyCode, true)
|
||||
case KeyOff:
|
||||
if keyShift {
|
||||
d.send(key.CodeLeftShift, false)
|
||||
}
|
||||
d.send(keyCode, false)
|
||||
case KeyPress:
|
||||
if keyShift {
|
||||
d.send(key.CodeLeftShift, true)
|
||||
}
|
||||
d.send(keyCode, true)
|
||||
d.send(keyCode, false)
|
||||
if keyShift {
|
||||
d.send(key.CodeLeftShift, false)
|
||||
}
|
||||
}
|
||||
return d.err
|
||||
}
|
||||
|
||||
func (d *usbDriver) SendSpecial(special string, action KeyAction) error {
|
||||
keyCode, ok := d.specialMap[special]
|
||||
if !ok {
|
||||
return fmt.Errorf("special %s not found.", special)
|
||||
}
|
||||
log.Printf("Special code '<%s>' found, replacing with: %s", special, keyCode)
|
||||
|
||||
switch action {
|
||||
case KeyOn:
|
||||
d.send(keyCode, true)
|
||||
case KeyOff:
|
||||
d.send(keyCode, false)
|
||||
case KeyPress:
|
||||
d.send(keyCode, true)
|
||||
d.send(keyCode, false)
|
||||
}
|
||||
|
||||
return d.err
|
||||
}
|
||||
|
||||
// send stores the codes in an internal buffer. Use Flush to send them.
|
||||
func (d *usbDriver) send(code key.Code, down bool) {
|
||||
// slices to keep the input order
|
||||
d.codeBuffer = append(d.codeBuffer, code)
|
||||
d.downBuffer = append(d.downBuffer, down)
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue