mirror of
https://github.com/tjboldt/Apple2-IO-RPi.git
synced 2024-05-29 00:41:45 +00:00
60 lines
1.1 KiB
Go
Executable File
60 lines
1.1 KiB
Go
Executable File
// Copyright Terence J. Boldt (c)2020-2021
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// Use of this source code is governed by an MIT
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// license that can be found in the LICENSE file.
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// This file is contains the handler for executing Linux shell
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package handlers
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import (
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"os"
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"os/exec"
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"github.com/creack/pty"
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)
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// ShellCommand handles requests for the Apple II executing a Linux shell
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func ShellCommand() {
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cmd := exec.Command("bash", "-i")
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cmd.Env = append(os.Environ(),
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"TERM=vt100",
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"LINES=24",
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"COLUMNS=80",
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)
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var ws pty.Winsize
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ws.Cols = 80
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ws.Rows = 24
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ws.X = 0
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ws.Y = 0
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ptmx, _ := pty.StartWithSize(cmd, &ws)
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defer func() { _ = ptmx.Close() }()
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outputComplete := make(chan bool)
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inputComplete := make(chan bool)
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userCancelled := make(chan bool)
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go getStdin(ptmx, outputComplete, inputComplete, userCancelled)
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go getStdout(ptmx, outputComplete, userCancelled)
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for {
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select {
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case <-outputComplete:
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outputComplete <- true
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cmd.Wait()
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comm.WriteByte(0)
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return
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case <-userCancelled:
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userCancelled <- true
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comm.WriteString("^C\r")
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cmd.Process.Kill()
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return
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case <-inputComplete:
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cmd.Wait()
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comm.WriteByte(0)
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return
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}
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}
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}
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