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83 lines
1.9 KiB
83 lines
1.9 KiB
package xpra
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import (
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"crypto/md5"
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"fmt"
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"io"
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"os"
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"os/exec"
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"syscall"
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"github.com/subgraph/oz"
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"github.com/op/go-logging"
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)
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var xpraClientDefaultArgs = []string{
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"--title=@title@",
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"--compress=0",
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//"--delay-tray",
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//"--border=auto",
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"--no-keyboard-sync",
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}
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func NewClient(config *oz.XServerConf, display uint64, cred *syscall.Credential, workdir string, hostname string, log *logging.Logger) *Xpra {
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x := new(Xpra)
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x.Config = config
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x.Display = display
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x.WorkDir = workdir
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x.xpraArgs = prepareClientArgs(config, display, workdir, log)
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x.Process = exec.Command("/usr/bin/xpra", x.xpraArgs...)
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x.Process.SysProcAttr = &syscall.SysProcAttr{
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Credential: cred,
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}
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x.Process.Env = []string{
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"DISPLAY=:0",
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fmt.Sprintf("TMPDIR=%s", workdir),
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fmt.Sprintf("XPRA_SOCKET_HOSTNAME=%s", hostname),
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}
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return x
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}
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func prepareClientArgs(config *oz.XServerConf, display uint64, workdir string, log *logging.Logger) []string {
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args := getDefaultArgs(config)
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args = append(args, xpraClientDefaultArgs...)
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if !config.EnableTray {
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args = append(args, "--no-tray")
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} else {
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args = append(args, "--tray")
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if exists(config.TrayIcon, "Tray icon", log) {
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args = append(args, fmt.Sprintf("--tray-icon=%s", config.TrayIcon))
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}
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}
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if exists(config.WindowIcon, "Window icon", log) {
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args = append(args, fmt.Sprintf("--window-icon=%s", config.WindowIcon))
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}
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if config.Border {
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h := md5.New()
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io.WriteString(h, workdir)
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args = append(args, "--border=#" + fmt.Sprintf("%x", h.Sum(nil)[0:3]))
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}
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args = append(args,
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fmt.Sprintf("--socket-dir=%s", workdir),
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"attach",
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fmt.Sprintf(":%d", display),
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)
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return args
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}
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func exists(path, label string, log *logging.Logger) bool {
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if path == "" {
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return false
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}
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if _, err := os.Stat(path); err != nil {
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if !os.IsNotExist(err) {
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log.Notice("%s file missing at %s, ignored.", label, path)
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} else {
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log.Warning("Error reading file info for %s: %v", path, err)
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}
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return false
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}
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return true
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}
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