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monitor: Command-line flag to enable control mode

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This commit adds a flag called 'control' to the '-monitor'
command-line option. This flag enables control mode.

The syntax is:

qemu [...] -monitor control,<device>

Where <device> is a chardev (excluding 'vc', for obvious reasons).

For example:

$ qemu [...] -monitor control,tcp:localhost:4444,server

Will run QEMU in control mode, waiting for a client TCP connection
on localhost port 4444.

NOTE: I've tried using QemuOpts for this, but turns out that it
will try to parse the device part, which should be untouched.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Luiz Capitulino 2009-11-26 22:58:52 -02:00 • committed by Anthony Liguori
parent 418173c72f
commit adcb181afe
4 changed files with 29 additions and 6 deletions
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11
vl.c
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@ -4589,6 +4589,7 @@ int main(int argc, char **argv, char **envp)
const char *r, *optarg;
CharDriverState *monitor_hds[MAX_MONITOR_DEVICES];
const char *monitor_devices[MAX_MONITOR_DEVICES];
int monitor_flags[MAX_MONITOR_DEVICES];
int monitor_device_index;
const char *serial_devices[MAX_SERIAL_PORTS];
int serial_device_index;
@ -4676,8 +4677,10 @@ int main(int argc, char **argv, char **envp)
virtio_console_index = 0;
monitor_devices[0] = "vc:80Cx24C";
monitor_flags[0] = MONITOR_IS_DEFAULT | MONITOR_USE_READLINE;
for (i = 1; i < MAX_MONITOR_DEVICES; i++) {
monitor_devices[i] = NULL;
monitor_flags[i] = MONITOR_USE_READLINE;
}
monitor_device_index = 0;
@ -5098,7 +5101,9 @@ int main(int argc, char **argv, char **envp)
fprintf(stderr, "qemu: too many monitor devices\n");
exit(1);
}
monitor_devices[monitor_device_index] = optarg;
monitor_devices[monitor_device_index] =
monitor_cmdline_parse(optarg,
&monitor_flags[monitor_device_index]);
monitor_device_index++;
break;
case QEMU_OPTION_chardev:
@ -5792,9 +5797,7 @@ int main(int argc, char **argv, char **envp)
for (i = 0; i < MAX_MONITOR_DEVICES; i++) {
if (monitor_devices[i] && monitor_hds[i]) {
monitor_init(monitor_hds[i],
MONITOR_USE_READLINE |
((i == 0) ? MONITOR_IS_DEFAULT : 0));
monitor_init(monitor_hds[i], monitor_flags[i]);
}
}