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#!/usr/bin/env python3
"""Type lines into a QEMU guest via the monitor's `sendkey` command.
Each positional argument is one line: it is typed character by character
(US layout) followed by Enter. Use it to drive the rs-dos shell from a
test script without a display.
Usage:
sendkeys.py "ls /disk" "echo hi WRITING /disk/a.txt" "poweroff"
sendkeys.py --sock /tmp/qmon.sock "date"
Environment: QMON_SOCK (default: /tmp/qmon.sock)
"""
import os
import socket
import sys
import time
SOCK = os.environ.get("QMON_SOCK", "/tmp/qmon.sock")
# Unshifted punctuation needs QEMU's *named* keys — bare '-'/'.'/'/' are
# not valid sendkey names (and '-' is the modifier separator).
BASE = {
"-": "minus", "=": "equal", "[": "bracketleft", "]": "bracketright",
"\\": "backslash", ";": "semicolon", "'": "apostrophe",
",": "comma", ".": "dot", "/": "slash", "`": "grave",
}
# Characters that need a shift key on US layout, and the key QEMU's
# `sendkey` understands for them.
SHIFT = {
"~": "grave", "!": "1", "@": "2", "#": "3", "$": "4", "%": "5",
"^": "6", "&": "7", "*": "8", "(": "9", ")": "0",
"_": "minus", "+": "equal", "{": "bracketleft", "}": "bracketright",
"|": "backslash", ":": "semicolon", '"': "apostrophe",
"<": "comma", ">": "dot", "?": "slash",
}
ALNUM = set("abcdefghijklmnopqrstuvwxyz0123456789")
def connect(path, timeout=60):
"""Connect to the monitor socket, retrying until QEMU is up."""
deadline = time.time() + timeout
while True:
try:
s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
s.connect(path)
return s
except OSError:
if time.time() > deadline:
raise
time.sleep(0.2)
def sendkey(sock, keys):
sock.sendall(("sendkey %s\n" % keys).encode())
def type_line(sock, line):
for ch in line:
if ch == " ":
sendkey(sock, "spc")
elif ch in BASE:
sendkey(sock, BASE[ch])
elif ch in SHIFT:
sendkey(sock, "shift-" + SHIFT[ch])
elif ch.isupper():
sendkey(sock, "shift-" + ch.lower())
elif ch in ALNUM:
sendkey(sock, ch)
else:
sys.stderr.write("warning: no sendkey mapping for %r\n" % ch)
continue
time.sleep(0.25)
sendkey(sock, "ret")
time.sleep(1.5)
def main():
args = [a for a in sys.argv[1:] if a != "--sock"]
sock_path = SOCK
if "--sock" in sys.argv:
i = sys.argv.index("--sock")
sock_path = sys.argv[i + 1]
args = sys.argv[i + 2:]
if not args:
sys.stderr.write(__doc__ or "")
return 1
sock = connect(sock_path)
# Let the monitor drain any startup banner before typing.
time.sleep(0.5)
for line in args:
try:
type_line(sock, line)
except OSError:
# Guest powered off (last line was usually "poweroff").
break
return 0
if __name__ == "__main__":
sys.exit(main())
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