[Spice-devel] [PATCH v2 2/3] client: add announce_capabilities

[Hans de Goede]

Ack.

On 08/30/2010 01:52 PM, Alon Levy wrote:
>
> diff --git a/client/red_client.cpp b/client/red_client.cpp
> index b6a412e..0b0e7ab 100644
> --- a/client/red_client.cpp
> +++ b/client/red_client.cpp
> @@ -328,6 +328,8 @@ RedClient::RedClient(Application&  application)
>       , _agent_out_msg_pos (0)
>       , _agent_tokens (0)
>       , _agent_timer (new AgentTimer())
> +    , _agent_caps_size(0)
> +    , _agent_caps(NULL)
>       , _migrate (*this)
>       , _glz_window (0, _glz_debug)
>   {
> @@ -639,6 +641,36 @@ void RedClient::send_agent_monitors_config()
>       _agent_reply_wait_type = VD_AGENT_MONITORS_CONFIG;
>   }
>
> +void RedClient::send_agent_announce_capabilities(bool request)
> +{
> +    Message* message = new Message(SPICE_MSGC_MAIN_AGENT_DATA);
> +    VDAgentMessage* msg = (VDAgentMessage*)
> +        spice_marshaller_reserve_space(message->marshaller(),
> +                                       sizeof(VDAgentMessage));
> +    VDAgentAnnounceCapabilities* caps;
> +
> +    msg->protocol = VD_AGENT_PROTOCOL;
> +    msg->type = VD_AGENT_ANNOUNCE_CAPABILITIES;
> +    msg->opaque = 0;
> +    msg->size = sizeof(VDAgentAnnounceCapabilities) + VD_AGENT_CAPS_BYTES;
> +
> +    caps = (VDAgentAnnounceCapabilities*)
> +        spice_marshaller_reserve_space(message->marshaller(), msg->size);
> +
> +    caps->request = request;
> +    caps->caps_size = VD_AGENT_CAPS_SIZE;
> +    memset(caps->caps, 0, VD_AGENT_CAPS_BYTES);
> +    VD_AGENT_SET_CAPABILITY(caps->caps, VD_AGENT_MOUSE_STATE);
> +    VD_AGENT_SET_CAPABILITY(caps->caps, VD_AGENT_MONITORS_CONFIG);
> +    VD_AGENT_SET_CAPABILITY(caps->caps, VD_AGENT_REPLY);
> +    VD_AGENT_SET_CAPABILITY(caps->caps, VD_AGENT_CLIPBOARD);
> +    VD_AGENT_SET_CAPABILITY(caps->caps, VD_AGENT_DISPLAY_CONFIG);
> +    VD_AGENT_SET_CAPABILITY(caps->caps, VD_AGENT_ANNOUNCE_CAPABILITIES);
> +    ASSERT(_agent_tokens)
> +    _agent_tokens--;
> +    post_message(message);
> +}
> +
>   void RedClient::send_agent_display_config()
>   {
>       Message* message = new Message(SPICE_MSGC_MAIN_AGENT_DATA);
> @@ -654,7 +686,7 @@ void RedClient::send_agent_display_config()
>
>       disp_config = (VDAgentDisplayConfig*)
>           spice_marshaller_reserve_space(message->marshaller(), sizeof(VDAgentDisplayConfig));
> -
> +
>       disp_config->flags = 0;
>       if (_display_setting._disable_wallpaper) {
>           disp_config->flags |= VD_AGENT_DISPLAY_CONFIG_FLAG_DISABLE_WALLPAPER;
> @@ -872,12 +904,10 @@ void RedClient::handle_init(RedPeer::InMessage* message)
>       }
>
>       if (_agent_connected) {
> +        send_agent_announce_capabilities(true);
>           if (_auto_display_res) {
>              send_agent_monitors_config();
>           }
> -        // not sending the color depth through send_agent_monitors_config, since
> -        // it applies only for attached screens.
> -        send_agent_display_config();
>       }
>
>       if (!_auto_display_res&&  _display_setting.is_empty()) {
> @@ -917,6 +947,8 @@ void RedClient::handle_agent_connected(RedPeer::InMessage* message)
>       agent_start.num_tokens = ~0;
>       _marshallers->msgc_main_agent_start(msg->marshaller(),&agent_start);
>       post_message(msg);
> +    send_agent_announce_capabilities(false);
> +
>       if (_auto_display_res&&  !_agent_mon_config_sent) {
>           send_agent_monitors_config();
>       }
> @@ -932,6 +964,31 @@ void RedClient::handle_agent_disconnected(RedPeer::InMessage* message)
>       _agent_connected = false;
>   }
>
> +void RedClient::on_agent_announce_capabilities(
> +    VDAgentAnnounceCapabilities* caps)
> +{
> +    if (_agent_caps_size != caps->caps_size) {
> +        if (_agent_caps != NULL) {
> +            delete[] _agent_caps;
> +            _agent_caps = NULL;
> +        }
> +        _agent_caps = new uint32_t[caps->caps_size];
> +        ASSERT(_agent_caps != NULL);
> +        _agent_caps_size = caps->caps_size;
> +    }
> +    memcpy(_agent_caps, caps->caps, sizeof(_agent_caps[0]) * caps->caps_size);
> +
> +    if (VD_AGENT_HAS_CAPABILITY(caps->caps, caps->caps_size,
> +        VD_AGENT_DISPLAY_CONFIG)) {
> +        // not sending the color depth through send_agent_monitors_config, since
> +        // it applies only for attached screens.
> +        send_agent_display_config();
> +    }
> +    if (caps->request) {
> +        send_agent_announce_capabilities(false);
> +    }
> +}
> +
>   void RedClient::on_agent_reply(VDAgentReply* reply)
>   {
>       DBG(0, "agent reply type: %d", reply->type);
> @@ -990,6 +1047,11 @@ void RedClient::handle_agent_data(RedPeer::InMessage* message)
>           if (_agent_msg_pos == sizeof(VDAgentMessage) + _agent_msg->size) {
>               DBG(0, "agent msg end");
>               switch (_agent_msg->type) {
> +            case VD_AGENT_ANNOUNCE_CAPABILITIES: {
> +                on_agent_announce_capabilities(
> +                    (VDAgentAnnounceCapabilities*)_agent_msg_data);
> +                break;
> +            }
>               case VD_AGENT_REPLY: {
>                   on_agent_reply((VDAgentReply*)_agent_msg_data);
>                   break;
> diff --git a/client/red_client.h b/client/red_client.h
> index 6b4d4ab..a1b5bc1 100644
> --- a/client/red_client.h
> +++ b/client/red_client.h
> @@ -210,6 +210,7 @@ protected:
>   private:
>       void on_channel_disconnected(RedChannel&  channel);
>       void migrate_channel(RedChannel&  channel);
> +    void send_agent_announce_capabilities(bool request);
>       void send_agent_monitors_config();
>       void send_agent_display_config();
>       void calc_pixmap_cach_and_glz_window_size(uint32_t display_channels_hint,
> @@ -229,6 +230,7 @@ private:
>       void handle_migrate_switch_host(RedPeer::InMessage* message);
>
>       void on_agent_reply(VDAgentReply* reply);
> +    void on_agent_announce_capabilities(VDAgentAnnounceCapabilities* caps);
>       void on_agent_clipboard(VDAgentClipboard* clipboard, uint32_t size);
>       void send_agent_clipboard();
>       void do_send_agent_clipboard();
> @@ -269,6 +271,8 @@ private:
>       uint32_t _agent_out_msg_pos;
>       uint32_t _agent_tokens;
>       AutoRef<AgentTimer>  _agent_timer;
> +    uint32_t _agent_caps_size;
> +    uint32_t *_agent_caps;
>
>       PeerConnectionOptMap _con_opt_map;
>       RedPeer::HostAuthOptions _host_auth_opt;
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