[libvirt] [PREPOST 08/17] src/xenxs:Refactor graphics config parsing code
Jim Fehlig
jfehlig at suse.com
Mon Jul 14 21:43:13 UTC 2014
David Kiarie wrote:
> From: Kiarie Kahurani <davidkiarie4 at gmail.com>
>
> introduce function
>
> xenParseXMVfb(.....);
>
> which parses the graphics config
>
> signed-off-by: David Kiarie<davidkiarie4 at gmail.com>
> ---
> src/xenxs/xen_xm.c | 247 ++++++++++++++++++++++++++++-------------------------
> 1 file changed, 131 insertions(+), 116 deletions(-)
>
> diff --git a/src/xenxs/xen_xm.c b/src/xenxs/xen_xm.c
> index 80a7941..89d5739 100644
> --- a/src/xenxs/xen_xm.c
> +++ b/src/xenxs/xen_xm.c
> @@ -872,125 +872,14 @@ static int xenParseXMDisk(virConfPtr conf, virDomainDefPtr def,
>
> return 0;
> }
> -virDomainDefPtr
> -xenParseXM(virConfPtr conf, int xendConfigVersion,
> - virCapsPtr caps)
> +static int xenParseXMVfb(virConfPtr conf, virDomainDefPtr def,
> + int xendConfigVersion)
> {
> - const char *str;
> - int hvm = 0;
> + char *listenAddr;
> int val;
> - virConfValuePtr list;
> - virDomainDefPtr def = NULL;
> - virDomainDiskDefPtr disk = NULL;
> - virDomainNetDefPtr net = NULL;
> + virConfValuePtr list = NULL;
> virDomainGraphicsDefPtr graphics = NULL;
> - size_t i;
> - char *script = NULL;
> - char *listenAddr = NULL;
> -
> - if (VIR_ALLOC(def) < 0)
> - return NULL;
> -
> - def->virtType = VIR_DOMAIN_VIRT_XEN;
> - def->id = -1;
> - if (xenParseXMGeneral(conf, def, caps) < 0)
> - goto cleanup;
> - hvm = (STREQ(def->os.type, "hvm"));
> - if (hvm) {
> - const char *boot;
> - if (xenXMConfigCopyString(conf, "kernel", &def->os.loader) < 0)
> - goto cleanup;
> -
> - if (xenXMConfigGetString(conf, "boot", &boot, "c") < 0)
> - goto cleanup;
> -
> - for (i = 0; i < VIR_DOMAIN_BOOT_LAST && boot[i]; i++) {
> - switch (*boot) {
> - case 'a':
> - def->os.bootDevs[i] = VIR_DOMAIN_BOOT_FLOPPY;
> - break;
> - case 'd':
> - def->os.bootDevs[i] = VIR_DOMAIN_BOOT_CDROM;
> - break;
> - case 'n':
> - def->os.bootDevs[i] = VIR_DOMAIN_BOOT_NET;
> - break;
> - case 'c':
> - default:
> - def->os.bootDevs[i] = VIR_DOMAIN_BOOT_DISK;
> - break;
> - }
> - def->os.nBootDevs++;
> - }
> - } else {
> - const char *extra, *root;
> -
> - if (xenXMConfigCopyStringOpt(conf, "bootloader", &def->os.bootloader) < 0)
> - goto cleanup;
> - if (xenXMConfigCopyStringOpt(conf, "bootargs", &def->os.bootloaderArgs) < 0)
> - goto cleanup;
> -
> - if (xenXMConfigCopyStringOpt(conf, "kernel", &def->os.kernel) < 0)
> - goto cleanup;
> - if (xenXMConfigCopyStringOpt(conf, "ramdisk", &def->os.initrd) < 0)
> - goto cleanup;
> - if (xenXMConfigGetString(conf, "extra", &extra, NULL) < 0)
> - goto cleanup;
> - if (xenXMConfigGetString(conf, "root", &root, NULL) < 0)
> - goto cleanup;
> -
> - if (root) {
> - if (virAsprintf(&def->os.cmdline, "root=%s %s", root, extra) < 0)
> - goto cleanup;
> - } else {
> - if (VIR_STRDUP(def->os.cmdline, extra) < 0)
> - goto cleanup;
> - }
> - }
> - if (xenParseXMMem(conf, def) < 0)
> - goto cleanup;
> - if (xenXMConfigCopyStringOpt(conf, "device_model", &def->emulator) < 0)
> - goto cleanup;
> - if (xenParseXMVif(conf, def) < 0)
> - goto cleanup;
> -
> - if (xenParseXMTimeOffset(conf, def, xendConfigVersion) < 0)
> - goto cleanup;
> - if (xenParseXMEventsActions(conf, def) < 0)
> - goto cleanup;
> - if (xenParseXMPCI(conf, def) < 0)
> - goto cleanup;
> - if (xenParseXMCPUFeatures(conf, def) < 0)
> - goto cleanup;
> - if (xenParseXMDisk(conf, def, xendConfigVersion) < 0)
> - goto cleanup;
> -
> - if (hvm) {
> - if (xenXMConfigGetString(conf, "usbdevice", &str, NULL) < 0)
> - goto cleanup;
> - if (str &&
> - (STREQ(str, "tablet") ||
> - STREQ(str, "mouse") ||
> - STREQ(str, "keyboard"))) {
> - virDomainInputDefPtr input;
> - if (VIR_ALLOC(input) < 0)
> - goto cleanup;
> - input->bus = VIR_DOMAIN_INPUT_BUS_USB;
> - if (STREQ(str, "mouse"))
> - input->type = VIR_DOMAIN_INPUT_TYPE_MOUSE;
> - else if (STREQ(str, "tablet"))
> - input->type = VIR_DOMAIN_INPUT_TYPE_TABLET;
> - else if (STREQ(str, "keyboard"))
> - input->type = VIR_DOMAIN_INPUT_TYPE_KBD;
> - if (VIR_ALLOC_N(def->inputs, 1) < 0) {
> - virDomainInputDefFree(input);
> - goto cleanup;
> - }
> - def->inputs[0] = input;
> - def->ninputs = 1;
> - }
> - }
> -
> + int hvm = STREQ(def->os.type, "hvm");
>
The usual whitespace comments: blank lines between functions,
indentation of the function params, and blank line after local variables.
> /* HVM guests, or old PV guests use this config format */
> if (hvm || xendConfigVersion < XEND_CONFIG_VERSION_3_0_4) {
> if (xenXMConfigGetBool(conf, "vnc", &val, 0) < 0)
> @@ -1125,6 +1014,132 @@ xenParseXM(virConfPtr conf, int xendConfigVersion,
> }
> }
>
> + return 0;
> +
> + cleanup:
> + virDomainGraphicsDefFree(graphics);
> + return -1;
> +}
> +virDomainDefPtr
> +xenParseXM(virConfPtr conf, int xendConfigVersion,
> + virCapsPtr caps)
> +{
> + const char *str;
> + int hvm = 0;
> + virConfValuePtr list;
> + virDomainDefPtr def = NULL;
> + virDomainDiskDefPtr disk = NULL;
> + virDomainNetDefPtr net = NULL;
> + virDomainGraphicsDefPtr graphics = NULL;
> + size_t i;
> + char *script = NULL;
> + char *listenAddr = NULL;
>
'graphics' and 'listenAddr' are no longer used in this function and can
be dropped.
Regards,
Jim
> +
> + if (VIR_ALLOC(def) < 0)
> + return NULL;
> +
> + def->virtType = VIR_DOMAIN_VIRT_XEN;
> + def->id = -1;
> + if (xenParseXMGeneral(conf, def, caps) < 0)
> + goto cleanup;
> + hvm = (STREQ(def->os.type, "hvm"));
> + if (hvm) {
> + const char *boot;
> + if (xenXMConfigCopyString(conf, "kernel", &def->os.loader) < 0)
> + goto cleanup;
> +
> + if (xenXMConfigGetString(conf, "boot", &boot, "c") < 0)
> + goto cleanup;
> +
> + for (i = 0; i < VIR_DOMAIN_BOOT_LAST && boot[i]; i++) {
> + switch (*boot) {
> + case 'a':
> + def->os.bootDevs[i] = VIR_DOMAIN_BOOT_FLOPPY;
> + break;
> + case 'd':
> + def->os.bootDevs[i] = VIR_DOMAIN_BOOT_CDROM;
> + break;
> + case 'n':
> + def->os.bootDevs[i] = VIR_DOMAIN_BOOT_NET;
> + break;
> + case 'c':
> + default:
> + def->os.bootDevs[i] = VIR_DOMAIN_BOOT_DISK;
> + break;
> + }
> + def->os.nBootDevs++;
> + }
> + } else {
> + const char *extra, *root;
> +
> + if (xenXMConfigCopyStringOpt(conf, "bootloader", &def->os.bootloader) < 0)
> + goto cleanup;
> + if (xenXMConfigCopyStringOpt(conf, "bootargs", &def->os.bootloaderArgs) < 0)
> + goto cleanup;
> +
> + if (xenXMConfigCopyStringOpt(conf, "kernel", &def->os.kernel) < 0)
> + goto cleanup;
> + if (xenXMConfigCopyStringOpt(conf, "ramdisk", &def->os.initrd) < 0)
> + goto cleanup;
> + if (xenXMConfigGetString(conf, "extra", &extra, NULL) < 0)
> + goto cleanup;
> + if (xenXMConfigGetString(conf, "root", &root, NULL) < 0)
> + goto cleanup;
> +
> + if (root) {
> + if (virAsprintf(&def->os.cmdline, "root=%s %s", root, extra) < 0)
> + goto cleanup;
> + } else {
> + if (VIR_STRDUP(def->os.cmdline, extra) < 0)
> + goto cleanup;
> + }
> + }
> + if (xenParseXMMem(conf, def) < 0)
> + goto cleanup;
> + if (xenXMConfigCopyStringOpt(conf, "device_model", &def->emulator) < 0)
> + goto cleanup;
> + if (xenParseXMVif(conf, def) < 0)
> + goto cleanup;
> +
> + if (xenParseXMTimeOffset(conf, def, xendConfigVersion) < 0)
> + goto cleanup;
> + if (xenParseXMEventsActions(conf, def) < 0)
> + goto cleanup;
> + if (xenParseXMPCI(conf, def) < 0)
> + goto cleanup;
> + if (xenParseXMCPUFeatures(conf, def) < 0)
> + goto cleanup;
> + if (xenParseXMDisk(conf, def, xendConfigVersion) < 0)
> + goto cleanup;
> +
> + if (hvm) {
> + if (xenXMConfigGetString(conf, "usbdevice", &str, NULL) < 0)
> + goto cleanup;
> + if (str &&
> + (STREQ(str, "tablet") ||
> + STREQ(str, "mouse") ||
> + STREQ(str, "keyboard"))) {
> + virDomainInputDefPtr input;
> + if (VIR_ALLOC(input) < 0)
> + goto cleanup;
> + input->bus = VIR_DOMAIN_INPUT_BUS_USB;
> + if (STREQ(str, "mouse"))
> + input->type = VIR_DOMAIN_INPUT_TYPE_MOUSE;
> + else if (STREQ(str, "tablet"))
> + input->type = VIR_DOMAIN_INPUT_TYPE_TABLET;
> + else if (STREQ(str, "keyboard"))
> + input->type = VIR_DOMAIN_INPUT_TYPE_KBD;
> + if (VIR_ALLOC_N(def->inputs, 1) < 0) {
> + virDomainInputDefFree(input);
> + goto cleanup;
> + }
> + def->inputs[0] = input;
> + def->ninputs = 1;
> + }
> + }
> + if (xenParseXMVfb(conf, def, xendConfigVersion) < 0)
> + goto cleanup;
> +
> if (hvm) {
> virDomainChrDefPtr chr = NULL;
>
>
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