Re: [Qemu-devel] [PATCH 10/11] chardev: add socket chardev support to chardev-add (qmp)

[Eric Blake <eblake@redhat.com>]

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On 01/07/2013 06:55 AM, Gerd Hoffmann wrote:
> qemu_chr_open_socket is splitted into two functions.  All initialization

s/splitted/split/

> after creating the socket file handler is splitted away into the new

and again

> qemu_chr_open_socket_fd function.
> 
> chr->filename doesn't get filled from QemuOpts any more.  Qemu gathers
> the information using getsockname and getnameinfo instead.  This way it
> will also work correctly for file handles passed via file descriptor
> passing.
> 
> Finally qmp_chardev_open_socket() is the actual qmp hotplug
> implementation which basically just calls socket_listen or
> socket_connect and the new qemu_chr_open_socket_fd function.
> 
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
> ---
>  qapi-schema.json |   13 +++-
>  qemu-char.c      |  168 ++++++++++++++++++++++++++++++++++++-----------------
>  2 files changed, 124 insertions(+), 57 deletions(-)
> 
> +++ b/qemu-char.c
> @@ -2438,10 +2438,88 @@ static void tcp_chr_close(CharDriverState *chr)
>      qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
>  }
>  
> -static CharDriverState *qemu_chr_open_socket(QemuOpts *opts)
> +static CharDriverState *qemu_chr_open_socket_fd(int fd, int do_nodelay,
> +                                                int is_listen, int is_telnet,
> +                                                int is_waitconnect,

These three parameters sound like they might be better as 'bool' instead
of 'int'.

> @@ -2458,10 +2536,7 @@ static CharDriverState *qemu_chr_open_socket(QemuOpts *opts)
>      if (!is_listen)
>          is_waitconnect = 0;
>  
> -    chr = g_malloc0(sizeof(CharDriverState));
> -    s = g_malloc0(sizeof(TCPCharDriver));
> -
> -    if (is_unix) {
> +     if (is_unix) {

Spurious re-indentation?

>  
> +static CharDriverState *qmp_chardev_open_socket(ChardevSocket *sock,
> +                                                Error **errp)
> +{
> +    SocketAddress *addr = sock->addr;
> +    bool do_nodelay     = sock->has_delay  ? !sock->delay : true;
> +    bool is_listen      = sock->has_server ? sock->server : true;
> +    bool is_telnet      = sock->has_telnet ? sock->telnet : false;
> +    bool is_waitconnect = sock->has_wait   ? sock->wait   : false;

Especially since you are using bool here.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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