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Re: [libvirt] [PATCH 1/2 RESEND] qemu: refactor graphics code to not hardcode a single display



hmm, I'm not using the enum everywhere, I'll send again after fixing (and use --patience).

----- Original Message -----
> From: Alon Levy <alevy redhat com>
> 
> The check for a single display remains so no new functionality is
> added.
> ---
> 
> No change to the patch itself, just the use of the --patience flag
> to make review much easier.
> 
>  src/qemu/qemu_command.c | 647
>  +++++++++++++++++++++++++-----------------------
>  src/qemu/qemu_process.c |  70 +++---
>  2 files changed, 370 insertions(+), 347 deletions(-)
> 
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index 1e96982..f9e4d4d 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -4410,6 +4410,334 @@ error:
>      return -1;
>  }
> 
> +enum {
> +    OK=0,
> +    ERROR=1,
> +    NO_MEMORY=2,
> +};
> +
> +static int
> +qemuBuildGraphicsCommandLine(struct qemud_driver *driver,
> +                             virCommandPtr cmd,
> +                             virDomainDefPtr def,
> +                             qemuCapsPtr caps,
> +                             virDomainGraphicsDefPtr graphics)
> +{
> +    if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC) {
> +        virBuffer opt = VIR_BUFFER_INITIALIZER;
> +
> +        if (!qemuCapsGet(caps, QEMU_CAPS_VNC)) {
> +            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> +                           _("vnc graphics are not supported with
> this QEMU"));
> +            return ERROR;
> +        }
> +
> +        if (graphics->data.vnc.socket ||
> +            driver->vncAutoUnixSocket) {
> +
> +            if (!graphics->data.vnc.socket &&
> +                virAsprintf(&graphics->data.vnc.socket,
> +                            "%s/%s.vnc", driver->libDir, def->name)
> == -1) {
> +                return NO_MEMORY;
> +            }
> +
> +            virBufferAsprintf(&opt, "unix:%s",
> +                              graphics->data.vnc.socket);
> +
> +        } else if (qemuCapsGet(caps, QEMU_CAPS_VNC_COLON)) {
> +            const char *listenNetwork;
> +            const char *listenAddr = NULL;
> +            char *netAddr = NULL;
> +            bool escapeAddr;
> +            int ret;
> +
> +            switch (virDomainGraphicsListenGetType(graphics, 0)) {
> +            case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
> +                listenAddr =
> virDomainGraphicsListenGetAddress(graphics, 0);
> +                break;
> +
> +            case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
> +                listenNetwork =
> virDomainGraphicsListenGetNetwork(graphics, 0);
> +                if (!listenNetwork)
> +                    break;
> +                ret = networkGetNetworkAddress(listenNetwork,
> &netAddr);
> +                if (ret <= -2) {
> +                    virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> +                                   "%s", _("network-based listen not
> possible, "
> +                                           "network driver not
> present"));
> +                    return 1;
> +                }
> +                if (ret < 0) {
> +                    virReportError(VIR_ERR_XML_ERROR,
> +                                   _("listen network '%s' had no
> usable address"),
> +                                   listenNetwork);
> +                    return 1;
> +                }
> +                listenAddr = netAddr;
> +                /* store the address we found in the <graphics>
> element so it will
> +                 * show up in status. */
> +                if (virDomainGraphicsListenSetAddress(graphics, 0,
> +                                                      listenAddr,
> -1, false) < 0)
> +                   return 1;
> +                break;
> +            }
> +
> +            if (!listenAddr)
> +                listenAddr = driver->vncListen;
> +
> +            escapeAddr = strchr(listenAddr, ':') != NULL;
> +            if (escapeAddr)
> +                virBufferAsprintf(&opt, "[%s]", listenAddr);
> +            else
> +                virBufferAdd(&opt, listenAddr, -1);
> +            virBufferAsprintf(&opt, ":%d",
> +                              graphics->data.vnc.port - 5900);
> +
> +            VIR_FREE(netAddr);
> +        } else {
> +            virBufferAsprintf(&opt, "%d",
> +                              graphics->data.vnc.port - 5900);
> +        }
> +
> +        if (qemuCapsGet(caps, QEMU_CAPS_VNC_COLON)) {
> +            if (graphics->data.vnc.auth.passwd ||
> +                driver->vncPassword)
> +                virBufferAddLit(&opt, ",password");
> +
> +            if (driver->vncTLS) {
> +                virBufferAddLit(&opt, ",tls");
> +                if (driver->vncTLSx509verify) {
> +                    virBufferAsprintf(&opt, ",x509verify=%s",
> +                                      driver->vncTLSx509certdir);
> +                } else {
> +                    virBufferAsprintf(&opt, ",x509=%s",
> +                                      driver->vncTLSx509certdir);
> +                }
> +            }
> +
> +            if (driver->vncSASL) {
> +                virBufferAddLit(&opt, ",sasl");
> +
> +                if (driver->vncSASLdir)
> +                    virCommandAddEnvPair(cmd, "SASL_CONF_DIR",
> +                                         driver->vncSASLdir);
> +
> +                /* TODO: Support ACLs later */
> +            }
> +        }
> +
> +        virCommandAddArg(cmd, "-vnc");
> +        virCommandAddArgBuffer(cmd, &opt);
> +        if (graphics->data.vnc.keymap) {
> +            virCommandAddArgList(cmd, "-k",
> graphics->data.vnc.keymap,
> +                                 NULL);
> +        }
> +
> +        /* Unless user requested it, set the audio backend to none,
> to
> +         * prevent it opening the host OS audio devices, since that
> causes
> +         * security issues and might not work when using VNC.
> +         */
> +        if (driver->vncAllowHostAudio) {
> +            virCommandAddEnvPass(cmd, "QEMU_AUDIO_DRV");
> +        } else {
> +            virCommandAddEnvString(cmd, "QEMU_AUDIO_DRV=none");
> +        }
> +    } else if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SDL) {
> +        if (qemuCapsGet(caps, QEMU_CAPS_0_10) &&
> +            !qemuCapsGet(caps, QEMU_CAPS_SDL)) {
> +            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> +                           _("sdl not supported by '%s'"),
> +                           def->emulator);
> +            return 1;
> +        }
> +
> +        if (graphics->data.sdl.xauth)
> +            virCommandAddEnvPair(cmd, "XAUTHORITY",
> +                                 graphics->data.sdl.xauth);
> +        if (graphics->data.sdl.display)
> +            virCommandAddEnvPair(cmd, "DISPLAY",
> +                                 graphics->data.sdl.display);
> +        if (graphics->data.sdl.fullscreen)
> +            virCommandAddArg(cmd, "-full-screen");
> +
> +        /* If using SDL for video, then we should just let it
> +         * use QEMU's host audio drivers, possibly SDL too
> +         * User can set these two before starting libvirtd
> +         */
> +        virCommandAddEnvPass(cmd, "QEMU_AUDIO_DRV");
> +        virCommandAddEnvPass(cmd, "SDL_AUDIODRIVER");
> +
> +        /* New QEMU has this flag to let us explicitly ask for
> +         * SDL graphics. This is better than relying on the
> +         * default, since the default changes :-( */
> +        if (qemuCapsGet(caps, QEMU_CAPS_SDL))
> +            virCommandAddArg(cmd, "-sdl");
> +
> +    } else if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE) {
> +        virBuffer opt = VIR_BUFFER_INITIALIZER;
> +        const char *listenNetwork;
> +        const char *listenAddr = NULL;
> +        char *netAddr = NULL;
> +        int ret;
> +        int defaultMode = graphics->data.spice.defaultMode;
> +
> +        if (!qemuCapsGet(caps, QEMU_CAPS_SPICE)) {
> +            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> +                           _("spice graphics are not supported with
> this QEMU"));
> +            return 1;
> +        }
> +
> +        virBufferAsprintf(&opt, "port=%u",
> graphics->data.spice.port);
> +
> +        if (graphics->data.spice.tlsPort > 0) {
> +            if (!driver->spiceTLS) {
> +                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> +                               _("spice TLS port set in XML
> configuration,"
> +                                 " but TLS is disabled in
> qemu.conf"));
> +                return 1;
> +            }
> +            virBufferAsprintf(&opt, ",tls-port=%u",
> +                              graphics->data.spice.tlsPort);
> +        }
> +
> +        switch (virDomainGraphicsListenGetType(graphics, 0)) {
> +        case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
> +            listenAddr = virDomainGraphicsListenGetAddress(graphics,
> 0);
> +            break;
> +
> +        case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
> +            listenNetwork =
> virDomainGraphicsListenGetNetwork(graphics, 0);
> +            if (!listenNetwork)
> +                break;
> +            ret = networkGetNetworkAddress(listenNetwork, &netAddr);
> +            if (ret <= -2) {
> +                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> +                               "%s", _("network-based listen not
> possible, "
> +                                       "network driver not
> present"));
> +                return 1;
> +            }
> +            if (ret < 0) {
> +                virReportError(VIR_ERR_XML_ERROR,
> +                               _("listen network '%s' had no usable
> address"),
> +                               listenNetwork);
> +                return 1;
> +            }
> +            listenAddr = netAddr;
> +            /* store the address we found in the <graphics> element
> so it will
> +             * show up in status. */
> +            if (virDomainGraphicsListenSetAddress(graphics, 0,
> +                                                  listenAddr, -1,
> false) < 0)
> +               return 1;
> +            break;
> +        }
> +
> +        if (!listenAddr)
> +            listenAddr = driver->spiceListen;
> +        if (listenAddr)
> +            virBufferAsprintf(&opt, ",addr=%s", listenAddr);
> +
> +        VIR_FREE(netAddr);
> +
> +        int mm = graphics->data.spice.mousemode;
> +        if (mm) {
> +            switch (mm) {
> +            case VIR_DOMAIN_GRAPHICS_SPICE_MOUSE_MODE_SERVER:
> +                virBufferAsprintf(&opt, ",agent-mouse=off");
> +                break;
> +            case VIR_DOMAIN_GRAPHICS_SPICE_MOUSE_MODE_CLIENT:
> +                virBufferAsprintf(&opt, ",agent-mouse=on");
> +                break;
> +            default:
> +                break;
> +            }
> +        }
> +
> +        /* In the password case we set it via monitor command, to
> avoid
> +         * making it visible on CLI, so there's no use of
> password=XXX
> +         * in this bit of the code */
> +        if (!graphics->data.spice.auth.passwd &&
> +            !driver->spicePassword)
> +            virBufferAddLit(&opt, ",disable-ticketing");
> +
> +        if (driver->spiceTLS)
> +            virBufferAsprintf(&opt, ",x509-dir=%s",
> +                              driver->spiceTLSx509certdir);
> +
> +        switch (defaultMode) {
> +        case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_SECURE:
> +            virBufferAsprintf(&opt, ",tls-channel=default");
> +            break;
> +        case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_INSECURE:
> +            virBufferAsprintf(&opt, ",plaintext-channel=default");
> +            break;
> +        case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_ANY:
> +            /* nothing */
> +            break;
> +        }
> +
> +        for (int i = 0 ; i < VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_LAST
> ; i++) {
> +            int mode = graphics->data.spice.channels[i];
> +            switch (mode) {
> +            case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_SECURE:
> +                if (!driver->spiceTLS) {
> +                    virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> +                                   _("spice secure channels set in
> XML configuration, but TLS is disabled in qemu.conf"));
> +                    return 1;
> +                }
> +                virBufferAsprintf(&opt, ",tls-channel=%s",
> +
>                                  virDomainGraphicsSpiceChannelNameTypeToString(i));
> +                break;
> +            case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_INSECURE:
> +                virBufferAsprintf(&opt, ",plaintext-channel=%s",
> +
>                                  virDomainGraphicsSpiceChannelNameTypeToString(i));
> +                break;
> +            }
> +        }
> +        if (graphics->data.spice.image)
> +            virBufferAsprintf(&opt, ",image-compression=%s",
> +
>                              virDomainGraphicsSpiceImageCompressionTypeToString(graphics->data.spice.image));
> +        if (graphics->data.spice.jpeg)
> +            virBufferAsprintf(&opt, ",jpeg-wan-compression=%s",
> +
>                              virDomainGraphicsSpiceJpegCompressionTypeToString(graphics->data.spice.jpeg));
> +        if (graphics->data.spice.zlib)
> +            virBufferAsprintf(&opt, ",zlib-glz-wan-compression=%s",
> +
>                              virDomainGraphicsSpiceZlibCompressionTypeToString(graphics->data.spice.zlib));
> +        if (graphics->data.spice.playback)
> +            virBufferAsprintf(&opt, ",playback-compression=%s",
> +
>                              virDomainGraphicsSpicePlaybackCompressionTypeToString(graphics->data.spice.playback));
> +        if (graphics->data.spice.streaming)
> +            virBufferAsprintf(&opt, ",streaming-video=%s",
> +
>                              virDomainGraphicsSpiceStreamingModeTypeToString(graphics->data.spice.streaming));
> +        if (graphics->data.spice.copypaste ==
> VIR_DOMAIN_GRAPHICS_SPICE_CLIPBOARD_COPYPASTE_NO)
> +            virBufferAddLit(&opt, ",disable-copy-paste");
> +
> +        if (qemuCapsGet(caps, QEMU_CAPS_SEAMLESS_MIGRATION)) {
> +            /* If qemu supports seamless migration turn it
> +             * unconditionally on. If migration destination
> +             * doesn't support it, it fallbacks to previous
> +             * migration algorithm silently. */
> +            virBufferAddLit(&opt, ",seamless-migration=on");
> +        }
> +
> +        virCommandAddArg(cmd, "-spice");
> +        virCommandAddArgBuffer(cmd, &opt);
> +        if (graphics->data.spice.keymap)
> +            virCommandAddArgList(cmd, "-k",
> +                                 graphics->data.spice.keymap, NULL);
> +        /* SPICE includes native support for tunnelling audio, so we
> +         * set the audio backend to point at SPICE's own driver
> +         */
> +        virCommandAddEnvString(cmd, "QEMU_AUDIO_DRV=spice");
> +
> +    } else {
> +        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> +                       _("unsupported graphics type '%s'"),
> +
>                       virDomainGraphicsTypeToString(graphics->type));
> +        return 1;
> +    }
> +    return 0;
> +}
> +
>  /*
>   * Constructs a argv suitable for launching qemu with config defined
>   * for a given virtual machine.
> @@ -5863,322 +6191,15 @@ qemuBuildCommandLine(virConnectPtr conn,
>          goto error;
>      }
> 
> -    if ((def->ngraphics == 1) &&
> -        def->graphics[0]->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC) {
> -        virBuffer opt = VIR_BUFFER_INITIALIZER;
> -
> -        if (!qemuCapsGet(caps, QEMU_CAPS_VNC)) {
> -            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> -                           _("vnc graphics are not supported with
> this QEMU"));
> +    for (i = 0 ; i < def->ngraphics ; ++i) {
> +        switch (qemuBuildGraphicsCommandLine(driver, cmd, def, caps,
> +                                             def->graphics[i])) {
> +        case ERROR:
>              goto error;
> +        case NO_MEMORY:
> +            goto no_memory;
>          }
> -
> -        if (def->graphics[0]->data.vnc.socket ||
> -            driver->vncAutoUnixSocket) {
> -
> -            if (!def->graphics[0]->data.vnc.socket &&
> -                virAsprintf(&def->graphics[0]->data.vnc.socket,
> -                            "%s/%s.vnc", driver->libDir, def->name)
> == -1) {
> -                goto no_memory;
> -            }
> -
> -            virBufferAsprintf(&opt, "unix:%s",
> -                              def->graphics[0]->data.vnc.socket);
> -
> -        } else if (qemuCapsGet(caps, QEMU_CAPS_VNC_COLON)) {
> -            const char *listenNetwork;
> -            const char *listenAddr = NULL;
> -            char *netAddr = NULL;
> -            bool escapeAddr;
> -            int ret;
> -
> -            switch (virDomainGraphicsListenGetType(def->graphics[0],
> 0)) {
> -            case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
> -                listenAddr =
> virDomainGraphicsListenGetAddress(def->graphics[0], 0);
> -                break;
> -
> -            case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
> -                listenNetwork =
> virDomainGraphicsListenGetNetwork(def->graphics[0], 0);
> -                if (!listenNetwork)
> -                    break;
> -                ret = networkGetNetworkAddress(listenNetwork,
> &netAddr);
> -                if (ret <= -2) {
> -                    virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> -                                   "%s", _("network-based listen not
> possible, "
> -                                           "network driver not
> present"));
> -                    goto error;
> -                }
> -                if (ret < 0) {
> -                    virReportError(VIR_ERR_XML_ERROR,
> -                                   _("listen network '%s' had no
> usable address"),
> -                                   listenNetwork);
> -                    goto error;
> -                }
> -                listenAddr = netAddr;
> -                /* store the address we found in the <graphics>
> element so it will
> -                 * show up in status. */
> -                if
> (virDomainGraphicsListenSetAddress(def->graphics[0], 0,
> -                                                      listenAddr,
> -1, false) < 0)
> -                   goto error;
> -                break;
> -            }
> -
> -            if (!listenAddr)
> -                listenAddr = driver->vncListen;
> -
> -            escapeAddr = strchr(listenAddr, ':') != NULL;
> -            if (escapeAddr)
> -                virBufferAsprintf(&opt, "[%s]", listenAddr);
> -            else
> -                virBufferAdd(&opt, listenAddr, -1);
> -            virBufferAsprintf(&opt, ":%d",
> -                              def->graphics[0]->data.vnc.port -
> 5900);
> -
> -            VIR_FREE(netAddr);
> -        } else {
> -            virBufferAsprintf(&opt, "%d",
> -                              def->graphics[0]->data.vnc.port -
> 5900);
> -        }
> -
> -        if (qemuCapsGet(caps, QEMU_CAPS_VNC_COLON)) {
> -            if (def->graphics[0]->data.vnc.auth.passwd ||
> -                driver->vncPassword)
> -                virBufferAddLit(&opt, ",password");
> -
> -            if (driver->vncTLS) {
> -                virBufferAddLit(&opt, ",tls");
> -                if (driver->vncTLSx509verify) {
> -                    virBufferAsprintf(&opt, ",x509verify=%s",
> -                                      driver->vncTLSx509certdir);
> -                } else {
> -                    virBufferAsprintf(&opt, ",x509=%s",
> -                                      driver->vncTLSx509certdir);
> -                }
> -            }
> -
> -            if (driver->vncSASL) {
> -                virBufferAddLit(&opt, ",sasl");
> -
> -                if (driver->vncSASLdir)
> -                    virCommandAddEnvPair(cmd, "SASL_CONF_DIR",
> -                                         driver->vncSASLdir);
> -
> -                /* TODO: Support ACLs later */
> -            }
> -        }
> -
> -        virCommandAddArg(cmd, "-vnc");
> -        virCommandAddArgBuffer(cmd, &opt);
> -        if (def->graphics[0]->data.vnc.keymap) {
> -            virCommandAddArgList(cmd, "-k",
> def->graphics[0]->data.vnc.keymap,
> -                                 NULL);
> -        }
> -
> -        /* Unless user requested it, set the audio backend to none,
> to
> -         * prevent it opening the host OS audio devices, since that
> causes
> -         * security issues and might not work when using VNC.
> -         */
> -        if (driver->vncAllowHostAudio) {
> -            virCommandAddEnvPass(cmd, "QEMU_AUDIO_DRV");
> -        } else {
> -            virCommandAddEnvString(cmd, "QEMU_AUDIO_DRV=none");
> -        }
> -    } else if ((def->ngraphics == 1) &&
> -               def->graphics[0]->type ==
> VIR_DOMAIN_GRAPHICS_TYPE_SDL) {
> -        if (qemuCapsGet(caps, QEMU_CAPS_0_10) &&
> -            !qemuCapsGet(caps, QEMU_CAPS_SDL)) {
> -            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> -                           _("sdl not supported by '%s'"),
> -                           def->emulator);
> -            goto error;
> -        }
> -
> -        if (def->graphics[0]->data.sdl.xauth)
> -            virCommandAddEnvPair(cmd, "XAUTHORITY",
> -                                 def->graphics[0]->data.sdl.xauth);
> -        if (def->graphics[0]->data.sdl.display)
> -            virCommandAddEnvPair(cmd, "DISPLAY",
> -
>                                 def->graphics[0]->data.sdl.display);
> -        if (def->graphics[0]->data.sdl.fullscreen)
> -            virCommandAddArg(cmd, "-full-screen");
> -
> -        /* If using SDL for video, then we should just let it
> -         * use QEMU's host audio drivers, possibly SDL too
> -         * User can set these two before starting libvirtd
> -         */
> -        virCommandAddEnvPass(cmd, "QEMU_AUDIO_DRV");
> -        virCommandAddEnvPass(cmd, "SDL_AUDIODRIVER");
> -
> -        /* New QEMU has this flag to let us explicitly ask for
> -         * SDL graphics. This is better than relying on the
> -         * default, since the default changes :-( */
> -        if (qemuCapsGet(caps, QEMU_CAPS_SDL))
> -            virCommandAddArg(cmd, "-sdl");
> -
> -    } else if ((def->ngraphics == 1) &&
> -               def->graphics[0]->type ==
> VIR_DOMAIN_GRAPHICS_TYPE_SPICE) {
> -        virBuffer opt = VIR_BUFFER_INITIALIZER;
> -        const char *listenNetwork;
> -        const char *listenAddr = NULL;
> -        char *netAddr = NULL;
> -        int ret;
> -        int defaultMode = def->graphics[0]->data.spice.defaultMode;
> -
> -        if (!qemuCapsGet(caps, QEMU_CAPS_SPICE)) {
> -            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> -                           _("spice graphics are not supported with
> this QEMU"));
> -            goto error;
> -        }
> -
> -        virBufferAsprintf(&opt, "port=%u",
> def->graphics[0]->data.spice.port);
> -
> -        if (def->graphics[0]->data.spice.tlsPort > 0) {
> -            if (!driver->spiceTLS) {
> -                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> -                               _("spice TLS port set in XML
> configuration,"
> -                                 " but TLS is disabled in
> qemu.conf"));
> -                goto error;
> -            }
> -            virBufferAsprintf(&opt, ",tls-port=%u",
> -                              def->graphics[0]->data.spice.tlsPort);
> -        }
> -
> -        switch (virDomainGraphicsListenGetType(def->graphics[0], 0))
> {
> -        case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
> -            listenAddr =
> virDomainGraphicsListenGetAddress(def->graphics[0], 0);
> -            break;
> -
> -        case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
> -            listenNetwork =
> virDomainGraphicsListenGetNetwork(def->graphics[0], 0);
> -            if (!listenNetwork)
> -                break;
> -            ret = networkGetNetworkAddress(listenNetwork, &netAddr);
> -            if (ret <= -2) {
> -                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> -                               "%s", _("network-based listen not
> possible, "
> -                                       "network driver not
> present"));
> -                goto error;
> -            }
> -            if (ret < 0) {
> -                virReportError(VIR_ERR_XML_ERROR,
> -                               _("listen network '%s' had no usable
> address"),
> -                               listenNetwork);
> -                goto error;
> -            }
> -            listenAddr = netAddr;
> -            /* store the address we found in the <graphics> element
> so it will
> -             * show up in status. */
> -            if (virDomainGraphicsListenSetAddress(def->graphics[0],
> 0,
> -                                                  listenAddr, -1,
> false) < 0)
> -               goto error;
> -            break;
> -        }
> -
> -        if (!listenAddr)
> -            listenAddr = driver->spiceListen;
> -        if (listenAddr)
> -            virBufferAsprintf(&opt, ",addr=%s", listenAddr);
> -
> -        VIR_FREE(netAddr);
> -
> -        int mm = def->graphics[0]->data.spice.mousemode;
> -        if (mm) {
> -            switch (mm) {
> -            case VIR_DOMAIN_GRAPHICS_SPICE_MOUSE_MODE_SERVER:
> -                virBufferAsprintf(&opt, ",agent-mouse=off");
> -                break;
> -            case VIR_DOMAIN_GRAPHICS_SPICE_MOUSE_MODE_CLIENT:
> -                virBufferAsprintf(&opt, ",agent-mouse=on");
> -                break;
> -            default:
> -                break;
> -            }
> -        }
> -
> -        /* In the password case we set it via monitor command, to
> avoid
> -         * making it visible on CLI, so there's no use of
> password=XXX
> -         * in this bit of the code */
> -        if (!def->graphics[0]->data.spice.auth.passwd &&
> -            !driver->spicePassword)
> -            virBufferAddLit(&opt, ",disable-ticketing");
> -
> -        if (driver->spiceTLS)
> -            virBufferAsprintf(&opt, ",x509-dir=%s",
> -                              driver->spiceTLSx509certdir);
> -
> -        switch (defaultMode) {
> -        case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_SECURE:
> -            virBufferAsprintf(&opt, ",tls-channel=default");
> -            break;
> -        case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_INSECURE:
> -            virBufferAsprintf(&opt, ",plaintext-channel=default");
> -            break;
> -        case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_ANY:
> -            /* nothing */
> -            break;
> -        }
> -
> -        for (i = 0 ; i < VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_LAST ;
> i++) {
> -            int mode = def->graphics[0]->data.spice.channels[i];
> -            switch (mode) {
> -            case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_SECURE:
> -                if (!driver->spiceTLS) {
> -                    virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> -                                   _("spice secure channels set in
> XML configuration, but TLS is disabled in qemu.conf"));
> -                    goto error;
> -                }
> -                virBufferAsprintf(&opt, ",tls-channel=%s",
> -
>                                  virDomainGraphicsSpiceChannelNameTypeToString(i));
> -                break;
> -            case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_INSECURE:
> -                virBufferAsprintf(&opt, ",plaintext-channel=%s",
> -
>                                  virDomainGraphicsSpiceChannelNameTypeToString(i));
> -                break;
> -            }
> -        }
> -        if (def->graphics[0]->data.spice.image)
> -            virBufferAsprintf(&opt, ",image-compression=%s",
> -
>                              virDomainGraphicsSpiceImageCompressionTypeToString(def->graphics[0]->data.spice.image));
> -        if (def->graphics[0]->data.spice.jpeg)
> -            virBufferAsprintf(&opt, ",jpeg-wan-compression=%s",
> -
>                              virDomainGraphicsSpiceJpegCompressionTypeToString(def->graphics[0]->data.spice.jpeg));
> -        if (def->graphics[0]->data.spice.zlib)
> -            virBufferAsprintf(&opt, ",zlib-glz-wan-compression=%s",
> -
>                              virDomainGraphicsSpiceZlibCompressionTypeToString(def->graphics[0]->data.spice.zlib));
> -        if (def->graphics[0]->data.spice.playback)
> -            virBufferAsprintf(&opt, ",playback-compression=%s",
> -
>                              virDomainGraphicsSpicePlaybackCompressionTypeToString(def->graphics[0]->data.spice.playback));
> -        if (def->graphics[0]->data.spice.streaming)
> -            virBufferAsprintf(&opt, ",streaming-video=%s",
> -
>                              virDomainGraphicsSpiceStreamingModeTypeToString(def->graphics[0]->data.spice.streaming));
> -        if (def->graphics[0]->data.spice.copypaste ==
> VIR_DOMAIN_GRAPHICS_SPICE_CLIPBOARD_COPYPASTE_NO)
> -            virBufferAddLit(&opt, ",disable-copy-paste");
> -
> -        if (qemuCapsGet(caps, QEMU_CAPS_SEAMLESS_MIGRATION)) {
> -            /* If qemu supports seamless migration turn it
> -             * unconditionally on. If migration destination
> -             * doesn't support it, it fallbacks to previous
> -             * migration algorithm silently. */
> -            virBufferAddLit(&opt, ",seamless-migration=on");
> -        }
> -
> -        virCommandAddArg(cmd, "-spice");
> -        virCommandAddArgBuffer(cmd, &opt);
> -        if (def->graphics[0]->data.spice.keymap)
> -            virCommandAddArgList(cmd, "-k",
> -
>                                 def->graphics[0]->data.spice.keymap,
> NULL);
> -        /* SPICE includes native support for tunnelling audio, so we
> -         * set the audio backend to point at SPICE's own driver
> -         */
> -        virCommandAddEnvString(cmd, "QEMU_AUDIO_DRV=spice");
> -
> -    } else if ((def->ngraphics == 1)) {
> -        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> -                       _("unsupported graphics type '%s'"),
> -
>                       virDomainGraphicsTypeToString(def->graphics[0]->type));
> -        goto error;
>      }
> -
>      if (def->nvideos > 0) {
>          if (qemuCapsGet(caps, QEMU_CAPS_VGA)) {
>              if (def->videos[0]->type == VIR_DOMAIN_VIDEO_TYPE_XEN) {
> diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
> index 5bd042d..7a671dd 100644
> --- a/src/qemu/qemu_process.c
> +++ b/src/qemu/qemu_process.c
> @@ -2079,16 +2079,17 @@ qemuProcessInitPasswords(virConnectPtr conn,
>      int ret = 0;
>      qemuDomainObjPrivatePtr priv = vm->privateData;
> 
> -    if (vm->def->ngraphics == 1) {
> -        if (vm->def->graphics[0]->type ==
> VIR_DOMAIN_GRAPHICS_TYPE_VNC) {
> +    for (int i = 0 ; i < vm->def->ngraphics; ++i) {
> +        virDomainGraphicsDefPtr graphics = vm->def->graphics[i];
> +        if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC) {
>              ret = qemuDomainChangeGraphicsPasswords(driver, vm,
>                                                      VIR_DOMAIN_GRAPHICS_TYPE_VNC,
> -
>                                                    &vm->def->graphics[0]->data.vnc.auth,
> +
>                                                    &graphics->data.vnc.auth,
>                                                      driver->vncPassword);
> -        } else if (vm->def->graphics[0]->type ==
> VIR_DOMAIN_GRAPHICS_TYPE_SPICE) {
> +        } else if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE)
> {
>              ret = qemuDomainChangeGraphicsPasswords(driver, vm,
>                                                      VIR_DOMAIN_GRAPHICS_TYPE_SPICE,
> -
>                                                    &vm->def->graphics[0]->data.spice.auth,
> +
>                                                    &graphics->data.spice.auth,
>                                                      driver->spicePassword);
>          }
>      }
> @@ -3482,21 +3483,22 @@ int qemuProcessStart(virConnectPtr conn,
>      VIR_DEBUG("Ensuring no historical cgroup is lying around");
>      qemuRemoveCgroup(driver, vm, 1);
> 
> -    if (vm->def->ngraphics == 1) {
> -        if (vm->def->graphics[0]->type ==
> VIR_DOMAIN_GRAPHICS_TYPE_VNC &&
> -            !vm->def->graphics[0]->data.vnc.socket &&
> -            vm->def->graphics[0]->data.vnc.autoport) {
> +    for (i = 0 ; i < vm->def->ngraphics; ++i) {
> +        virDomainGraphicsDefPtr graphics = vm->def->graphics[i];
> +        if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC &&
> +            !graphics->data.vnc.socket &&
> +            graphics->data.vnc.autoport) {
>              int port = qemuProcessNextFreePort(driver,
>              driver->remotePortMin);
>              if (port < 0) {
>                  virReportError(VIR_ERR_INTERNAL_ERROR,
>                                 "%s", _("Unable to find an unused
>                                 port for VNC"));
>                  goto cleanup;
>              }
> -            vm->def->graphics[0]->data.vnc.port = port;
> -        } else if (vm->def->graphics[0]->type ==
> VIR_DOMAIN_GRAPHICS_TYPE_SPICE) {
> +            graphics->data.vnc.port = port;
> +        } else if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE)
> {
>              int port = -1;
> -            if (vm->def->graphics[0]->data.spice.autoport ||
> -                vm->def->graphics[0]->data.spice.port == -1) {
> +            if (graphics->data.spice.autoport ||
> +                graphics->data.spice.port == -1) {
>                  port = qemuProcessNextFreePort(driver,
>                  driver->remotePortMin);
> 
>                  if (port < 0) {
> @@ -3505,13 +3507,13 @@ int qemuProcessStart(virConnectPtr conn,
>                      goto cleanup;
>                  }
> 
> -                vm->def->graphics[0]->data.spice.port = port;
> +                graphics->data.spice.port = port;
>              }
>              if (driver->spiceTLS &&
> -                (vm->def->graphics[0]->data.spice.autoport ||
> -                 vm->def->graphics[0]->data.spice.tlsPort == -1)) {
> +                (graphics->data.spice.autoport ||
> +                 graphics->data.spice.tlsPort == -1)) {
>                  int tlsPort = qemuProcessNextFreePort(driver,
> -
>                                                      vm->def->graphics[0]->data.spice.port
> + 1);
> +
>                                                      graphics->data.spice.port
> + 1);
>                  if (tlsPort < 0) {
>                      virReportError(VIR_ERR_INTERNAL_ERROR,
>                                     "%s", _("Unable to find an unused
>                                     port for SPICE TLS"));
> @@ -3519,20 +3521,19 @@ int qemuProcessStart(virConnectPtr conn,
>                      goto cleanup;
>                  }
> 
> -                vm->def->graphics[0]->data.spice.tlsPort = tlsPort;
> +                graphics->data.spice.tlsPort = tlsPort;
>              }
>          }
> 
> -        if (vm->def->graphics[0]->type ==
> VIR_DOMAIN_GRAPHICS_TYPE_VNC ||
> -            vm->def->graphics[0]->type ==
> VIR_DOMAIN_GRAPHICS_TYPE_SPICE) {
> -            virDomainGraphicsDefPtr graphics = vm->def->graphics[0];
> +        if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC ||
> +            graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE) {
>              if (graphics->nListens == 0) {
>                  if (VIR_EXPAND_N(graphics->listens,
>                  graphics->nListens, 1) < 0) {
>                      virReportOOMError();
>                      goto cleanup;
>                  }
>                  graphics->listens[0].type =
>                  VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS;
> -                if (vm->def->graphics[0]->type ==
> VIR_DOMAIN_GRAPHICS_TYPE_VNC)
> +                if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC)
>                      graphics->listens[0].address =
>                      strdup(driver->vncListen);
>                  else
>                      graphics->listens[0].address =
>                      strdup(driver->spiceListen);
> @@ -4148,19 +4149,20 @@ retry:
> 
>      qemuProcessRemoveDomainStatus(driver, vm);
> 
> -    /* Remove VNC port from port reservation bitmap, but only if it
> was
> -       reserved by the driver (autoport=yes)
> +    /* Remove VNC and Spice ports from port reservation bitmap, but
> only if
> +       they were reserved by the driver (autoport=yes)
>      */
> -    if ((vm->def->ngraphics == 1) &&
> -        vm->def->graphics[0]->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC
> &&
> -        vm->def->graphics[0]->data.vnc.autoport) {
> -        qemuProcessReturnPort(driver,
> vm->def->graphics[0]->data.vnc.port);
> -    }
> -    if ((vm->def->ngraphics == 1) &&
> -        vm->def->graphics[0]->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE
> &&
> -        vm->def->graphics[0]->data.spice.autoport) {
> -        qemuProcessReturnPort(driver,
> vm->def->graphics[0]->data.spice.port);
> -        qemuProcessReturnPort(driver,
> vm->def->graphics[0]->data.spice.tlsPort);
> +    for (i = 0 ; i < vm->def->ngraphics; ++i) {
> +        virDomainGraphicsDefPtr graphics = vm->def->graphics[i];
> +        if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC &&
> +            graphics->data.vnc.autoport) {
> +            qemuProcessReturnPort(driver, graphics->data.vnc.port);
> +        }
> +        if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE &&
> +            graphics->data.spice.autoport) {
> +            qemuProcessReturnPort(driver,
> graphics->data.spice.port);
> +            qemuProcessReturnPort(driver,
> graphics->data.spice.tlsPort);
> +        }
>      }
> 
>      vm->taint = 0;
> --
> 1.7.11.7
> 
> 


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