Re: [Qemu-devel] Monitor socket will close after parse command error. Qemu-2.6.2

[Sam]

BTW, same result while using `telnet 127.0.0.1 55919`, which means also
have the two problem in the email before.

2017-09-08 11:23 GMT+08:00 Sam <address@hidden>:

> Hi all,
>
> I'm using HMP socket to send command to add netdev, my command like this:
>
> address@hidden tests]$ sudo  python monitor.py 55919
>> (qemu):
>>  Connected to qemu monitor ...
>> on_monitor_open
>> ds
>> (qemu):
>> {'return': ["unknown command: 'ds'"]}
>> chardev-add socket,id=char-test_intf1,path=/usr/local/var/run/
>> openvswitch/test_intf1,server=on
>> (qemu):
>> \{'return': []}
>> netdev_add vhost-user,id=test_intf1,chardev=char-test_intf1,vhostforce=on
>> (qemu):
>> {'return': ["unknown command: '\\netdev_add'"]}
>> netdev_add vhost-user,id=test_intf1,chardev=char-test_intf1,vhostforce=on
>> (qemu):
>> {'return': []}
>> device_add virtio-net-pci,netdev=test_intf1,mac=00:22:79:29:d2:6c,
>> id=netdev-test_intf1
>> (qemu):
>> {'return': []}
>> device_del netdev-test_intf1
>> (qemu):
>> {'return': []}
>> netdev_del test_intf1
>> (qemu):
>> {'return': []}
>> chardev-remove char-test_intf1
>> (qemu):
>> {'return': ["Chardev 'char-test_intf1' is busy"]}
>> chardev-remove char-test_intf1
>> (qemu):
>> {'return': ["Chardev 'char-test_intf1' is busy"]}
>> ds
>> (qemu):
>> {'return': ["unknown command: 'ds'"]}
>> chardev-add socket,id=char-test_intf1,path=/usr/local/var/run/
>> openvswitch/test_intf1,server=on
>> (qemu):
>> {'return': ["Duplicate ID 'char-test_intf1' for chardev", 'Parsing
>> chardev args failed']}
>> netdev_add vhost-user,id=test_intf1,chardev=char-test_intf1,vhostforce=on
>> (qemu):
>> on_monitor_close
>> Disconnect ...
>> Bye...
>> address@hidden tests]$ telnet 127.0.0.1 55919
>> Trying 127.0.0.1...
>> telnet: connect to address 127.0.0.1: Connection refused
>
>
> the monitor.py is same like telnet, which send command to 127.0.0.1:55919
> socket.
> At the last 5th line, you could see "on_monitor_close", this is because
> server side of 127.0.0.1:55919 socket is down.
>
> I have few questions:
> 1. Why I got "{'return': ["Chardev 'char-test_intf1' is busy"]}" while
> using "chardev-remove char-test_intf1"?
> 2. Why the server side will close while get "{'return': ["Duplicate ID
> 'char-test_intf1' for chardev", 'Parsing chardev args failed']}" and then
> send same command?
>
> Thank you~
>