QMP/qmp-shell

   1 #!/usr/bin/python
   2 #
   3 # Simple QEMU shell on top of QMP
   4 #
   5 # Copyright (C) 2009 Red Hat Inc.
   6 #
   7 # Authors:
   8 #  Luiz Capitulino <lcapitulino@redhat.com>
   9 #
  10 # This work is licensed under the terms of the GNU GPL, version 2.  See
  11 # the COPYING file in the top-level directory.
  12 #
  13 # Usage:
  14 #
  15 # Start QEMU with:
  16 #
  17 # $ qemu [...] -monitor control,unix:./qmp,server
  18 #
  19 # Run the shell:
  20 #
  21 # $ qmp-shell ./qmp
  22 #
  23 # Commands have the following format:
  24 #
  25 # < command-name > [ arg-name1=arg1 ] ... [ arg-nameN=argN ]
  26 #
  27 # For example:
  28 #
  29 # (QEMU) info item=network
  30
  31 import qmp
  32 import readline
  33 from sys import argv,exit
  34
  35 def shell_help():
  36     print 'bye  exit from the shell'
  37
  38 def main():
  39     if len(argv) != 2:
  40         print 'qemu-shell <unix-socket>'
  41         exit(1)
  42
  43     qemu = qmp.QEMUMonitorProtocol(argv[1])
  44     qemu.connect()
  45     qemu.send("qmp_capabilities")
  46
  47     print 'Connected!'
  48
  49     while True:
  50         try:
  51             cmd = raw_input('(QEMU) ')
  52         except EOFError:
  53             print
  54             break
  55         if cmd == '':
  56             continue
  57         elif cmd == 'bye':
  58             break
  59         elif cmd == 'help':
  60             shell_help()
  61         else:
  62             try:
  63                 resp = qemu.send(cmd)
  64                 if resp == None:
  65                     print 'Disconnected'
  66                     break
  67                 print resp
  68             except IndexError:
  69                 print '-> command format: <command-name> ',
  70                 print '[arg-name1=arg1] ... [arg-nameN=argN]'
  71
  72 if __name__ == '__main__':
  73     main()