Пример #1
0
static int
virNWFilterRuleDefToRuleInst(virNWFilterDefPtr def,
                             virNWFilterRuleDefPtr rule,
                             virNWFilterHashTablePtr vars,
                             virNWFilterInstPtr inst)
{
    virNWFilterRuleInstPtr ruleinst;
    int ret = -1;

    if (VIR_ALLOC(ruleinst) < 0)
        goto cleanup;

    ruleinst->chainSuffix = def->chainsuffix;
    ruleinst->chainPriority = def->chainPriority;
    ruleinst->def = rule;
    ruleinst->priority = rule->priority;
    if (!(ruleinst->vars = virNWFilterHashTableCreate(0)))
        goto cleanup;
    if (virNWFilterHashTablePutAll(vars, ruleinst->vars) < 0)
        goto cleanup;

    if (VIR_APPEND_ELEMENT(inst->rules,
                           inst->nrules,
                           ruleinst) < 0)
        goto cleanup;
    ruleinst = NULL;

    ret = 0;
 cleanup:
    virNWFilterRuleInstFree(ruleinst);
    return ret;
}
Пример #2
0
static int
xenParseXMInputDevs(virConfPtr conf, virDomainDefPtr def)
{
    const char *str;

    if (def->os.type == VIR_DOMAIN_OSTYPE_HVM) {
        if (xenConfigGetString(conf, "usbdevice", &str, NULL) < 0)
            return -1;
        if (str &&
                (STREQ(str, "tablet") ||
                 STREQ(str, "mouse") ||
                 STREQ(str, "keyboard"))) {
            virDomainInputDefPtr input;
            if (VIR_ALLOC(input) < 0)
                return -1;

            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_APPEND_ELEMENT(def->inputs, def->ninputs, input) < 0) {
                virDomainInputDefFree(input);
                return -1;
            }
        }
    }
    return 0;
}
Пример #3
0
static int parallelsAddDiskVolume(virStoragePoolObjPtr pool,
                                  virDomainObjPtr dom,
                                  const char *diskName,
                                  const char *diskPath,
                                  const char *diskDescPath)
{
    virStorageVolDefPtr def = NULL;

    if (VIR_ALLOC(def))
        goto error;

    if (virAsprintf(&def->name, "%s-%s", dom->def->name, diskName) < 0)
        goto error;

    def->type = VIR_STORAGE_VOL_FILE;

    if (parallelsDiskDescParse(diskDescPath, def) < 0)
        goto error;

    if (!(def->target.path = realpath(diskPath, NULL)))
        goto no_memory;

    if (VIR_STRDUP(def->key, def->target.path) < 0)
        goto error;

    if (VIR_APPEND_ELEMENT(pool->volumes.objs, pool->volumes.count, def) < 0)
        goto error;

    return 0;
 no_memory:
    virReportOOMError();
 error:
    virStorageVolDefFree(def);
    return -1;
}
Пример #4
0
int virNetMessageAddFD(virNetMessagePtr msg,
                       int fd)
{
    int newfd = -1;

    if ((newfd = dup(fd)) < 0) {
        virReportSystemError(errno,
                             _("Unable to duplicate FD %d"),
                             fd);
        goto error;
    }

    if (virSetInherit(newfd, false) < 0) {
        virReportSystemError(errno,
                             _("Cannot set close-on-exec %d"),
                             newfd);
        goto error;
    }
    if (VIR_APPEND_ELEMENT(msg->fds, msg->nfds, newfd) < 0)
        goto error;
    return 0;
 error:
    VIR_FORCE_CLOSE(newfd);
    return -1;
}
Пример #5
0
/**
 * virObjectEventQueuePush:
 * @evtQueue: the object event queue
 * @event: the event to add
 *
 * Internal function to push to the back of a virObjectEventQueue
 *
 * Returns: 0 on success, -1 on failure
 */
static int
virObjectEventQueuePush(virObjectEventQueuePtr evtQueue,
                        virObjectEventPtr event)
{
    if (!evtQueue)
        return -1;

    if (VIR_APPEND_ELEMENT(evtQueue->events, evtQueue->count, event) < 0)
        return -1;
    return 0;
}
Пример #6
0
static int
xenParseXLInputDevs(virConfPtr conf, virDomainDefPtr def)
{
    const char *str;
    virConfValuePtr val;

    if (def->os.type == VIR_DOMAIN_OSTYPE_HVM) {
        val = virConfGetValue(conf, "usbdevice");
        /* usbdevice can be defined as either a single string or a list */
        if (val && val->type == VIR_CONF_LIST) {
#ifdef LIBXL_HAVE_BUILDINFO_USBDEVICE_LIST
            val = val->list;
#else
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                           _("multiple USB devices not supported"));
            return -1;
#endif
        }
        /* otherwise val->next is NULL, so can be handled by the same code */
        while (val) {
            if (val->type != VIR_CONF_STRING) {
                virReportError(VIR_ERR_INTERNAL_ERROR,
                               _("config value %s was malformed"),
                               "usbdevice");
                return -1;
            }
            str = val->str;

            if (str &&
                    (STREQ(str, "tablet") ||
                     STREQ(str, "mouse") ||
                     STREQ(str, "keyboard"))) {
                virDomainInputDefPtr input;
                if (VIR_ALLOC(input) < 0)
                    return -1;

                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_APPEND_ELEMENT(def->inputs, def->ninputs, input) < 0) {
                    virDomainInputDefFree(input);
                    return -1;
                }
            }
            val = val->next;
        }
    }
    return 0;
}
Пример #7
0
int
virUSBDeviceListAdd(virUSBDeviceListPtr list,
                    virUSBDevicePtr dev)
{
    if (virUSBDeviceListFind(list, dev)) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Device %s is already in use"),
                       dev->name);
        return -1;
    }
    return VIR_APPEND_ELEMENT(list->devs, list->count, dev);
}
Пример #8
0
int virProcessGetPids(pid_t pid, size_t *npids, pid_t **pids)
{
    int ret = -1;
    char *taskPath = NULL;
    DIR *dir = NULL;
    int value;
    struct dirent *ent;

    *npids = 0;
    *pids = NULL;

    if (virAsprintf(&taskPath, "/proc/%llu/task",
                    (unsigned long long)pid) < 0)
        goto cleanup;

    if (!(dir = opendir(taskPath)))
        goto cleanup;

    while ((value = virDirRead(dir, &ent, taskPath)) > 0) {
        long long tmp;
        pid_t tmp_pid;

        /* Skip . and .. */
        if (STRPREFIX(ent->d_name, "."))
            continue;

        if (virStrToLong_ll(ent->d_name, NULL, 10, &tmp) < 0)
            goto cleanup;
        tmp_pid = tmp;

        if (VIR_APPEND_ELEMENT(*pids, *npids, tmp_pid) < 0)
            goto cleanup;
    }

    if (value < 0)
        goto cleanup;

    ret = 0;

 cleanup:
    if (dir)
        closedir(dir);
    VIR_FREE(taskPath);
    if (ret < 0)
        VIR_FREE(*pids);
    return ret;
}
Пример #9
0
static int
virISCSIGetTargets(char **const groups,
                   void *data)
{
    struct virISCSITargetList *list = data;
    char *target;

    if (VIR_STRDUP(target, groups[1]) < 0)
        return -1;

    if (VIR_APPEND_ELEMENT(list->targets, list->ntargets, target) < 0) {
        VIR_FREE(target);
        return -1;
    }

    return 0;
}
Пример #10
0
static int
virStorageBackendISCSIGetTargets(virStoragePoolObjPtr pool ATTRIBUTE_UNUSED,
                                 char **const groups,
                                 void *data)
{
    struct virStorageBackendISCSITargetList *list = data;
    char *target;

    if (VIR_STRDUP(target, groups[1]) < 0)
        return -1;

    if (VIR_APPEND_ELEMENT(list->targets, list->ntargets, target) < 0) {
        VIR_FREE(target);
        return -1;
    }

    return 0;
}
Пример #11
0
int virProcessGetPids(pid_t pid, size_t *npids, pid_t **pids)
{
    int ret = -1;
    char *taskPath = NULL;
    DIR *dir = NULL;
    int value;
    struct dirent *ent;

    *npids = 0;
    *pids = NULL;

    if (virAsprintf(&taskPath, "/proc/%llu/task",
                    (unsigned long long)pid) < 0)
        goto cleanup;

    if (virDirOpen(&dir, taskPath) < 0)
        goto cleanup;

    while ((value = virDirRead(dir, &ent, taskPath)) > 0) {
        long long tmp;
        pid_t tmp_pid;

        if (virStrToLong_ll(ent->d_name, NULL, 10, &tmp) < 0)
            goto cleanup;
        tmp_pid = tmp;

        if (VIR_APPEND_ELEMENT(*pids, *npids, tmp_pid) < 0)
            goto cleanup;
    }

    if (value < 0)
        goto cleanup;

    ret = 0;

 cleanup:
    VIR_DIR_CLOSE(dir);
    VIR_FREE(taskPath);
    if (ret < 0)
        VIR_FREE(*pids);
    return ret;
}
Пример #12
0
int
virSCSIDeviceSetUsedBy(virSCSIDevicePtr dev,
                       const char *drvname,
                       const char *domname)
{
    virUsedByInfoPtr copy;
    if (VIR_ALLOC(copy) < 0)
        return -1;
    if (VIR_STRDUP(copy->drvname, drvname) < 0 ||
        VIR_STRDUP(copy->domname, domname) < 0)
        goto cleanup;

    if (VIR_APPEND_ELEMENT(dev->used_by, dev->n_used_by, copy) < 0)
        goto cleanup;

    return 0;

 cleanup:
    virSCSIDeviceUsedByInfoFree(copy);
    return -1;
}
Пример #13
0
static int
lxcNetworkParseDataIPs(const char *name,
                       virConfValuePtr value,
                       lxcNetworkParseData *parseData)
{
    int family = AF_INET;
    char **ipparts = NULL;
    virNetDevIPAddrPtr ip = NULL;

    if (VIR_ALLOC(ip) < 0)
        return -1;

    if (STREQ(name, "ipv6"))
        family = AF_INET6;

    ipparts = virStringSplit(value->str, "/", 2);
    if (virStringListLength((const char * const *)ipparts) != 2 ||
        virSocketAddrParse(&ip->address, ipparts[0], family) < 0 ||
        virStrToLong_ui(ipparts[1], NULL, 10, &ip->prefix) < 0) {

        virReportError(VIR_ERR_INVALID_ARG,
                       _("Invalid CIDR address: '%s'"), value->str);

        virStringListFree(ipparts);
        VIR_FREE(ip);
        return -1;
    }

    virStringListFree(ipparts);

    if (VIR_APPEND_ELEMENT(parseData->ips, parseData->nips, ip) < 0) {
        VIR_FREE(ip);
        return -1;
    }

    return 0;
}
Пример #14
0
static int
lxcAddNetworkRouteDefinition(const char *address,
                             int family,
                             virNetworkRouteDefPtr **routes,
                             size_t *nroutes)
{
    virNetworkRouteDefPtr route = NULL;
    char *familyStr = NULL;
    char *zero = NULL;

    if (VIR_STRDUP(zero, family == AF_INET ? VIR_SOCKET_ADDR_IPV4_ALL
                   : VIR_SOCKET_ADDR_IPV6_ALL) < 0)
        goto error;

    if (VIR_STRDUP(familyStr, family == AF_INET ? "ipv4" : "ipv6") < 0)
        goto error;

    if (!(route = virNetworkRouteDefCreate(_("Domain interface"), familyStr,
                                          zero, NULL, address, 0, false,
                                          0, false)))
        goto error;

    if (VIR_APPEND_ELEMENT(*routes, *nroutes, route) < 0)
        goto error;

    VIR_FREE(familyStr);
    VIR_FREE(zero);

    return 0;

 error:
    VIR_FREE(familyStr);
    VIR_FREE(zero);
    virNetworkRouteDefFree(route);
    return -1;
}
Пример #15
0
static int
xenParseXLUSB(virConfPtr conf, virDomainDefPtr def)
{
    virConfValuePtr list = virConfGetValue(conf, "usbdev");
    virDomainHostdevDefPtr hostdev = NULL;

    if (list && list->type == VIR_CONF_LIST) {
        list = list->list;
        while (list) {
            char bus[3];
            char device[3];
            char *key;
            int busNum;
            int devNum;

            bus[0] = device[0] = '\0';

            if ((list->type != VIR_CONF_STRING) || (list->str == NULL))
                goto skipusb;
            /* usbdev=['hostbus=1,hostaddr=3'] */
            key = list->str;
            while (key) {
                char *data;
                char *nextkey = strchr(key, ',');

                if (!(data = strchr(key, '=')))
                    goto skipusb;
                data++;

                if (STRPREFIX(key, "hostbus=")) {
                    int len = nextkey ? (nextkey - data) : sizeof(bus) - 1;
                    if (virStrncpy(bus, data, len, sizeof(bus)) == NULL) {
                        virReportError(VIR_ERR_INTERNAL_ERROR,
                                       _("bus %s too big for destination"),
                                       data);
                        goto skipusb;
                    }
                } else if (STRPREFIX(key, "hostaddr=")) {
                    int len = nextkey ? (nextkey - data) : sizeof(device) - 1;
                    if (virStrncpy(device, data, len, sizeof(device)) == NULL) {
                        virReportError(VIR_ERR_INTERNAL_ERROR,
                                       _("device %s too big for destination"),
                                       data);
                        goto skipusb;
                    }
                }

                while (nextkey && (nextkey[0] == ',' ||
                                   nextkey[0] == ' ' ||
                                   nextkey[0] == '\t'))
                    nextkey++;
                key = nextkey;
            }

            if (virStrToLong_i(bus, NULL, 16, &busNum) < 0)
                goto skipusb;
            if (virStrToLong_i(device, NULL, 16, &devNum) < 0)
                goto skipusb;
            if (!(hostdev = virDomainHostdevDefAlloc(NULL)))
               return -1;

            hostdev->managed = false;
            hostdev->source.subsys.type = VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB;
            hostdev->source.subsys.u.usb.bus = busNum;
            hostdev->source.subsys.u.usb.device = devNum;

            if (VIR_APPEND_ELEMENT(def->hostdevs, def->nhostdevs, hostdev) < 0) {
                virDomainHostdevDefFree(hostdev);
                return -1;
            }

        skipusb:
            list = list->next;
        }
    }

    return 0;
}
Пример #16
0
/*
 * For details on xl disk config syntax, see
 * docs/misc/xl-disk-configuration.txt in the Xen sources.  The important
 * section of text is:
 *
 *   More formally, the string is a series of comma-separated keyword/value
 *   pairs, flags and positional parameters.  Parameters which are not bare
 *   keywords and which do not contain "=" symbols are assigned to the
 *   so-far-unspecified positional parameters, in the order below.  The
 *   positional parameters may also be specified explicitly by name.
 *
 *   Each parameter may be specified at most once, either as a positional
 *   parameter or a named parameter.  Default values apply if the parameter
 *   is not specified, or if it is specified with an empty value (whether
 *   positionally or explicitly).
 *
 *   Whitespace may appear before each parameter and will be ignored.
 *
 * The order of the positional parameters mentioned in the quoted text is:
 *
 *   target,format,vdev,access
 *
 * The following options must be specified by key=value:
 *
 *   devtype=<devtype>
 *   backendtype=<backend-type>
 *
 * The following options are currently not supported:
 *
 *   backend=<domain-name>
 *   script=<script>
 *   direct-io-safe
 *
 */
static int
xenParseXLDisk(virConfPtr conf, virDomainDefPtr def)
{
    int ret = -1;
    virConfValuePtr list = virConfGetValue(conf, "disk");
    XLU_Config *xluconf;
    libxl_device_disk *libxldisk;
    virDomainDiskDefPtr disk = NULL;

    if (VIR_ALLOC(libxldisk) < 0)
        return -1;

    if (!(xluconf = xlu_cfg_init(stderr, "command line")))
        goto cleanup;

    if (list && list->type == VIR_CONF_LIST) {
        list = list->list;
        while (list) {
            const char *disk_spec = list->str;

            if (list->type != VIR_CONF_STRING || list->str == NULL)
                goto skipdisk;

            libxl_device_disk_init(libxldisk);

            if (xlu_disk_parse(xluconf, 1, &disk_spec, libxldisk))
                goto fail;

            if (!(disk = virDomainDiskDefNew(NULL)))
                goto fail;

            if (xenParseXLDiskSrc(disk, libxldisk->pdev_path) < 0)
                goto fail;

            if (VIR_STRDUP(disk->dst, libxldisk->vdev) < 0)
                goto fail;

            disk->src->readonly = !libxldisk->readwrite;
            disk->removable = libxldisk->removable;

            if (libxldisk->is_cdrom) {
                if (virDomainDiskSetDriver(disk, "qemu") < 0)
                    goto fail;

                virDomainDiskSetType(disk, VIR_STORAGE_TYPE_FILE);
                disk->device = VIR_DOMAIN_DISK_DEVICE_CDROM;
                if (!disk->src->path || STREQ(disk->src->path, ""))
                    disk->src->format = VIR_STORAGE_FILE_NONE;
                else
                    disk->src->format = VIR_STORAGE_FILE_RAW;
            } else {
                switch (libxldisk->format) {
                case LIBXL_DISK_FORMAT_QCOW:
                    disk->src->format = VIR_STORAGE_FILE_QCOW;
                    break;

                case LIBXL_DISK_FORMAT_QCOW2:
                    disk->src->format = VIR_STORAGE_FILE_QCOW2;
                    break;

                case LIBXL_DISK_FORMAT_VHD:
                    disk->src->format = VIR_STORAGE_FILE_VHD;
                    break;

                case LIBXL_DISK_FORMAT_RAW:
                case LIBXL_DISK_FORMAT_UNKNOWN:
                    disk->src->format = VIR_STORAGE_FILE_RAW;
                    break;

                case LIBXL_DISK_FORMAT_EMPTY:
                    break;
                }

                switch (libxldisk->backend) {
                case LIBXL_DISK_BACKEND_QDISK:
                case LIBXL_DISK_BACKEND_UNKNOWN:
                    if (virDomainDiskSetDriver(disk, "qemu") < 0)
                        goto fail;
                    if (virDomainDiskGetType(disk) == VIR_STORAGE_TYPE_NONE)
                        virDomainDiskSetType(disk, VIR_STORAGE_TYPE_FILE);
                    break;

                case LIBXL_DISK_BACKEND_TAP:
                    if (virDomainDiskSetDriver(disk, "tap") < 0)
                        goto fail;
                    virDomainDiskSetType(disk, VIR_STORAGE_TYPE_FILE);
                    break;

                case LIBXL_DISK_BACKEND_PHY:
                    if (virDomainDiskSetDriver(disk, "phy") < 0)
                        goto fail;
                    virDomainDiskSetType(disk, VIR_STORAGE_TYPE_BLOCK);
                    break;
                }
            }

            if (STRPREFIX(libxldisk->vdev, "xvd") ||
                def->os.type != VIR_DOMAIN_OSTYPE_HVM)
                disk->bus = VIR_DOMAIN_DISK_BUS_XEN;
            else if (STRPREFIX(libxldisk->vdev, "sd"))
                disk->bus = VIR_DOMAIN_DISK_BUS_SCSI;
            else
                disk->bus = VIR_DOMAIN_DISK_BUS_IDE;

            if (VIR_APPEND_ELEMENT(def->disks, def->ndisks, disk) < 0)
                goto fail;

            libxl_device_disk_dispose(libxldisk);

        skipdisk:
            list = list->next;
        }
    }
    ret = 0;

 cleanup:
    virDomainDiskDefFree(disk);
    xlu_cfg_destroy(xluconf);
    VIR_FREE(libxldisk);
    return ret;

 fail:
    libxl_device_disk_dispose(libxldisk);
    goto cleanup;
}
Пример #17
0
/**
 * virObjectEventCallbackListAddID:
 * @conn: pointer to the connection
 * @cbList: the list
 * @key: the optional key of the object to filter on
 * @filter: optional last-ditch filter callback
 * @filter_opaque: opaque data to pass to @filter
 * @klass: the base event class
 * @eventID: the event ID
 * @callback: the callback to add
 * @opaque: opaque data to pass to @callback
 * @freecb: callback to free @opaque
 * @legacy: true if callback is tracked by function instead of callbackID
 * @callbackID: filled with callback ID
 * @serverFilter: true if server supports object filtering
 *
 * Internal function to add a callback from a virObjectEventCallbackListPtr
 */
static int
virObjectEventCallbackListAddID(virConnectPtr conn,
                                virObjectEventCallbackListPtr cbList,
                                const char *key,
                                virObjectEventCallbackFilter filter,
                                void *filter_opaque,
                                virClassPtr klass,
                                int eventID,
                                virConnectObjectEventGenericCallback callback,
                                void *opaque,
                                virFreeCallback freecb,
                                bool legacy,
                                int *callbackID,
                                bool serverFilter)
{
    virObjectEventCallbackPtr cb;
    int ret = -1;
    int remoteID = -1;

    VIR_DEBUG("conn=%p cblist=%p key=%p filter=%p filter_opaque=%p "
              "klass=%p eventID=%d callback=%p opaque=%p "
              "legacy=%d callbackID=%p serverFilter=%d",
              conn, cbList, key, filter, filter_opaque, klass, eventID,
              callback, opaque, legacy, callbackID, serverFilter);

    /* Check incoming */
    if (!cbList)
        return -1;

    /* If there is no additional filtering, then check if we already
     * have this callback on our list.  */
    if (!filter &&
        virObjectEventCallbackLookup(conn, cbList, key,
                                     klass, eventID, callback, legacy,
                                     serverFilter ? &remoteID : NULL) != -1) {
        virReportError(VIR_ERR_INVALID_ARG, "%s",
                       _("event callback already tracked"));
        return -1;
    }
    /* Allocate new cb */
    if (VIR_ALLOC(cb) < 0)
        goto cleanup;
    cb->conn = virObjectRef(conn);
    *callbackID = cb->callbackID = cbList->nextID++;
    cb->cb = callback;
    cb->klass = klass;
    cb->eventID = eventID;
    cb->opaque = opaque;
    cb->freecb = freecb;
    cb->remoteID = remoteID;

    if (key) {
        cb->key_filter = true;
        if (VIR_STRDUP(cb->key, key) < 0)
            goto cleanup;
    }
    cb->filter = filter;
    cb->filter_opaque = filter_opaque;
    cb->legacy = legacy;

    if (VIR_APPEND_ELEMENT(cbList->callbacks, cbList->count, cb) < 0)
        goto cleanup;

    /* When additional filtering is being done, every client callback
     * is matched to exactly one server callback.  */
    if (filter) {
        ret = 1;
    } else {
        ret = virObjectEventCallbackListCount(conn, cbList, klass, eventID,
                                              key, serverFilter);
        if (serverFilter && remoteID < 0)
            ret++;
    }

 cleanup:
    virObjectEventCallbackFree(cb);
    return ret;
}
Пример #18
0
static int
bhyveParsePCINet(virDomainDefPtr def,
                 virDomainXMLOptionPtr xmlopt,
                 unsigned caps ATTRIBUTE_UNUSED,
                 unsigned pcislot,
                 unsigned pcibus,
                 unsigned function,
                 const char *config)
{
    /* -s slot,virtio-net,tapN[,mac=xx:xx:xx:xx:xx:xx] */

    virDomainNetDefPtr net = NULL;
    const char *separator = NULL;
    const char *mac = NULL;

    if (VIR_ALLOC(net) < 0)
        goto cleanup;

    /* Let's just assume it is VIR_DOMAIN_NET_TYPE_ETHERNET, it could also be
     * a bridge, but this is the most generic option. */
    net->type = VIR_DOMAIN_NET_TYPE_ETHERNET;

    net->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI;
    net->info.addr.pci.slot = pcislot;
    net->info.addr.pci.bus = pcibus;
    net->info.addr.pci.function = function;

    if (!config)
        goto error;

    if (!STRPREFIX(config, "tap")) {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                       _("Only tap devices supported"));
        goto error;
    }

    separator = strchr(config, ',');
    if (VIR_STRNDUP(net->ifname, config,
                    separator? separator - config : -1) < 0)
        goto error;

    if (!separator)
        goto cleanup;

    if (!STRPREFIX(++separator, "mac=")) {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                       _("Only mac option can be specified for virt-net"));
        goto error;
    }
    mac = separator + 4;

    if (virMacAddrParse(mac, &net->mac) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("unable to parse mac address '%s'"),
                       mac);
        goto cleanup;
     }

 cleanup:
    if (!mac)
        virDomainNetGenerateMAC(xmlopt, &net->mac);

    if (VIR_APPEND_ELEMENT(def->nets, def->nnets, net) < 0)
        goto error;
    return 0;

 error:
    virDomainNetDefFree(net);
    return -1;
}
Пример #19
0
static int virStorageBackendRBDRefreshPool(virConnectPtr conn,
                                           virStoragePoolObjPtr pool)
{
    size_t max_size = 1024;
    int ret = -1;
    int len = -1;
    int r = 0;
    char *name, *names = NULL;
    virStorageBackendRBDState ptr;
    ptr.cluster = NULL;
    ptr.ioctx = NULL;

    if (virStorageBackendRBDOpenRADOSConn(&ptr, conn, &pool->def->source) < 0) {
        goto cleanup;
    }

    if (virStorageBackendRBDOpenIoCTX(&ptr, pool) < 0) {
        goto cleanup;
    }

    struct rados_cluster_stat_t clusterstat;
    r = rados_cluster_stat(ptr.cluster, &clusterstat);
    if (r < 0) {
        virReportSystemError(-r, "%s", _("failed to stat the RADOS cluster"));
        goto cleanup;
    }

    struct rados_pool_stat_t poolstat;
    r = rados_ioctx_pool_stat(ptr.ioctx, &poolstat);
    if (r < 0) {
        virReportSystemError(-r, _("failed to stat the RADOS pool '%s'"),
                             pool->def->source.name);
        goto cleanup;
    }

    pool->def->capacity = clusterstat.kb * 1024;
    pool->def->available = clusterstat.kb_avail * 1024;
    pool->def->allocation = poolstat.num_bytes;

    VIR_DEBUG("Utilization of RBD pool %s: (kb: %llu kb_avail: %llu num_bytes: %llu)",
              pool->def->source.name, (unsigned long long)clusterstat.kb,
              (unsigned long long)clusterstat.kb_avail,
              (unsigned long long)poolstat.num_bytes);

    while (true) {
        if (VIR_ALLOC_N(names, max_size) < 0)
            goto cleanup;

        len = rbd_list(ptr.ioctx, names, &max_size);
        if (len >= 0)
            break;
        if (len != -ERANGE) {
            VIR_WARN("%s", _("A problem occurred while listing RBD images"));
            goto cleanup;
        }
        VIR_FREE(names);
    }

    for (name = names; name < names + max_size;) {
        virStorageVolDefPtr vol;

        if (STREQ(name, ""))
            break;

        if (VIR_ALLOC(vol) < 0)
            goto cleanup;

        if (VIR_STRDUP(vol->name, name) < 0) {
            VIR_FREE(vol);
            goto cleanup;
        }

        name += strlen(name) + 1;

        if (volStorageBackendRBDRefreshVolInfo(vol, pool, &ptr) < 0) {
            virStorageVolDefFree(vol);
            goto cleanup;
        }

        if (VIR_APPEND_ELEMENT(pool->volumes.objs, pool->volumes.count, vol) < 0) {
            virStorageVolDefFree(vol);
            virStoragePoolObjClearVols(pool);
            goto cleanup;
        }
    }

    VIR_DEBUG("Found %zu images in RBD pool %s",
              pool->volumes.count, pool->def->source.name);

    ret = 0;

 cleanup:
    VIR_FREE(names);
    virStorageBackendRBDCloseRADOSConn(&ptr);
    return ret;
}
Пример #20
0
static int
virStorageBackendSCSINewLun(virStoragePoolObjPtr pool,
                            uint32_t host ATTRIBUTE_UNUSED,
                            uint32_t bus,
                            uint32_t target,
                            uint32_t lun,
                            const char *dev)
{
    virStorageVolDefPtr vol;
    char *devpath = NULL;
    int retval = 0;

    if (VIR_ALLOC(vol) < 0) {
        retval = -1;
        goto out;
    }

    vol->type = VIR_STORAGE_VOL_BLOCK;

    /* 'host' is dynamically allocated by the kernel, first come,
     * first served, per HBA. As such it isn't suitable for use
     * in the volume name. We only need uniqueness per-pool, so
     * just leave 'host' out
     */
    if (virAsprintf(&(vol->name), "unit:%u:%u:%u", bus, target, lun) < 0) {
        retval = -1;
        goto free_vol;
    }

    if (virAsprintf(&devpath, "/dev/%s", dev) < 0) {
        retval = -1;
        goto free_vol;
    }

    VIR_DEBUG("Trying to create volume for '%s'", devpath);

    /* Now figure out the stable path
     *
     * XXX this method is O(N) because it scans the pool target
     * dir every time its run. Should figure out a more efficient
     * way of doing this...
     */
    if ((vol->target.path = virStorageBackendStablePath(pool,
                                                        devpath,
                                                        true)) == NULL) {
        retval = -1;
        goto free_vol;
    }

    if (STREQ(devpath, vol->target.path) &&
        !(STREQ(pool->def->target.path, "/dev") ||
          STREQ(pool->def->target.path, "/dev/"))) {

        VIR_DEBUG("No stable path found for '%s' in '%s'",
                  devpath, pool->def->target.path);

        retval = -1;
        goto free_vol;
    }

    if (virStorageBackendSCSIUpdateVolTargetInfo(&vol->target,
                                                 &vol->allocation,
                                                 &vol->capacity) < 0) {

        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Failed to update volume for '%s'"),
                       devpath);
        retval = -1;
        goto free_vol;
    }

    if (!(vol->key = virStorageBackendSCSISerial(vol->target.path))) {
        retval = -1;
        goto free_vol;
    }

    pool->def->capacity += vol->capacity;
    pool->def->allocation += vol->allocation;

    if (VIR_APPEND_ELEMENT(pool->volumes.objs, pool->volumes.count, vol) < 0) {
        retval = -1;
        goto free_vol;
    }

    goto out;

free_vol:
    virStorageVolDefFree(vol);
out:
    VIR_FREE(devpath);
    return retval;
}
Пример #21
0
static int
testQemuDiskXMLToProps(const void *opaque)
{
    struct testQemuDiskXMLToJSONData *data = (void *) opaque;
    virDomainDiskDefPtr disk = NULL;
    virStorageSourcePtr n;
    virJSONValuePtr formatProps = NULL;
    virJSONValuePtr storageProps = NULL;
    char *xmlpath = NULL;
    char *xmlstr = NULL;
    int ret = -1;

    if (virAsprintf(&xmlpath, "%s%s.xml",
                    testQemuDiskXMLToJSONPath, data->name) < 0)
        goto cleanup;

    if (virTestLoadFile(xmlpath, &xmlstr) < 0)
        goto cleanup;

    /* qemu stores node names in the status XML portion */
    if (!(disk = virDomainDiskDefParse(xmlstr, NULL, data->driver->xmlopt,
                                       VIR_DOMAIN_DEF_PARSE_STATUS)))
        goto cleanup;

    if (qemuCheckDiskConfig(disk, data->qemuCaps) < 0 ||
        qemuDomainDeviceDefValidateDisk(disk, data->qemuCaps) < 0) {
        VIR_TEST_VERBOSE("invalid configuration for disk\n");
        goto cleanup;
    }

    for (n = disk->src; virStorageSourceIsBacking(n); n = n->backingStore) {
        if (testQemuDiskXMLToJSONFakeSecrets(n) < 0)
            goto cleanup;

        if (qemuDomainValidateStorageSource(n, data->qemuCaps) < 0)
            goto cleanup;

        if (qemuDomainPrepareDiskSourceData(disk, n, NULL, data->qemuCaps) < 0)
            goto cleanup;

        if (!(formatProps = qemuBlockStorageSourceGetBlockdevProps(n)) ||
            !(storageProps = qemuBlockStorageSourceGetBackendProps(n, false))) {
            if (!data->fail) {
                VIR_TEST_VERBOSE("failed to generate qemu blockdev props\n");
                goto cleanup;
            }
        } else if (data->fail) {
            VIR_TEST_VERBOSE("qemu blockdev props should have failed\n");
            goto cleanup;
        }

        if (VIR_APPEND_ELEMENT(data->props, data->nprops, formatProps) < 0 ||
            VIR_APPEND_ELEMENT(data->props, data->nprops, storageProps) < 0)
            goto cleanup;
    }

    ret = 0;

 cleanup:
    virJSONValueFree(formatProps);
    virJSONValueFree(storageProps);
    virDomainDiskDefFree(disk);
    VIR_FREE(xmlpath);
    VIR_FREE(xmlstr);
    return ret;
}
Пример #22
0
static int
bhyveParseBhyveLPCArg(virDomainDefPtr def,
                      unsigned caps ATTRIBUTE_UNUSED,
                      const char *arg)
{
    /* -l emulation[,config] */
    const char *separator = NULL;
    const char *param = NULL;
    size_t last = 0;
    virDomainChrDefPtr chr = NULL;
    char *type = NULL;

    separator = strchr(arg, ',');
    param = separator + 1;

    if (!separator)
        goto error;

    if (VIR_STRNDUP(type, arg, separator - arg) < 0)
        goto error;

    /* Only support com%d */
    if (STRPREFIX(type, "com") && type[4] == 0) {
        if (!(chr = virDomainChrDefNew(NULL)))
            goto error;

        chr->source->type = VIR_DOMAIN_CHR_TYPE_NMDM;
        chr->source->data.nmdm.master = NULL;
        chr->source->data.nmdm.slave = NULL;
        chr->deviceType = VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL;

        if (!STRPREFIX(param, "/dev/nmdm")) {
            virReportError(VIR_ERR_OPERATION_FAILED,
                           _("Failed to set com port %s: does not start with "
                             "'/dev/nmdm'."), type);
                goto error;
        }

        if (VIR_STRDUP(chr->source->data.nmdm.master, param) < 0) {
            virDomainChrDefFree(chr);
            goto error;
        }

        if (VIR_STRDUP(chr->source->data.nmdm.slave, chr->source->data.file.path)
            < 0) {
            virDomainChrDefFree(chr);
            goto error;
        }

        /* If the last character of the master is 'A', the slave will be 'B'
         * and vice versa */
        last = strlen(chr->source->data.nmdm.master) - 1;
        switch (chr->source->data.file.path[last]) {
            case 'A':
                chr->source->data.nmdm.slave[last] = 'B';
                break;
            case 'B':
                chr->source->data.nmdm.slave[last] = 'A';
                break;
            default:
                virReportError(VIR_ERR_OPERATION_FAILED,
                               _("Failed to set slave for %s: last letter not "
                                 "'A' or 'B'"),
                               NULLSTR(chr->source->data.nmdm.master));
                goto error;
        }

        switch (type[3]-'0') {
        case 1:
        case 2:
            chr->target.port = type[3] - '1';
            break;
        default:
            virReportError(VIR_ERR_OPERATION_FAILED,
                           _("Failed to parse %s: only com1 and com2"
                             " supported."), type);
            goto error;
            break;
        }

        if (VIR_APPEND_ELEMENT(def->serials, def->nserials, chr) < 0) {
            virDomainChrDefFree(chr);
            goto error;
        }
    }

    VIR_FREE(type);
    return 0;

 error:
    virDomainChrDefFree(chr);
    VIR_FREE(type);
    return -1;
}
Пример #23
0
static int
openvzReadFSConf(virDomainDefPtr def,
                 int veid)
{
    int ret;
    virDomainFSDefPtr fs = NULL;
    char *veid_str = NULL;
    char *temp = NULL;
    const char *param;
    unsigned long long barrier, limit;

    ret = openvzReadVPSConfigParam(veid, "OSTEMPLATE", &temp);
    if (ret < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Could not read 'OSTEMPLATE' from config for container %d"),
                       veid);
        goto error;
    } else if (ret > 0) {
        if (VIR_ALLOC(fs) < 0)
            goto error;

        fs->type = VIR_DOMAIN_FS_TYPE_TEMPLATE;
        if (VIR_STRDUP(fs->src, temp) < 0)
            goto error;
    } else {
        /* OSTEMPLATE was not found, VE was booted from a private dir directly */
        ret = openvzReadVPSConfigParam(veid, "VE_PRIVATE", &temp);
        if (ret <= 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("Could not read 'VE_PRIVATE' from config for container %d"),
                           veid);
            goto error;
        }

        if (VIR_ALLOC(fs) < 0)
            goto error;

        if (virAsprintf(&veid_str, "%d", veid) < 0)
            goto error;

        fs->type = VIR_DOMAIN_FS_TYPE_MOUNT;
        if (!(fs->src = virStringReplace(temp, "$VEID", veid_str)))
            goto error;

        VIR_FREE(veid_str);
    }

    if (VIR_STRDUP(fs->dst, "/") < 0)
        goto error;

    param = "DISKSPACE";
    ret = openvzReadVPSConfigParam(veid, param, &temp);
    if (ret > 0) {
        if (openvzParseBarrierLimit(temp, &barrier, &limit)) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("Could not read '%s' from config for container %d"),
                           param, veid);
            goto error;
        } else {
            /* Ensure that we can multiply by 1024 without overflowing. */
            if (barrier > ULLONG_MAX / 1024 ||
                limit > ULLONG_MAX / 1024) {
                virReportError(VIR_ERR_OVERFLOW, "%s",
                               _("Unable to parse quota"));
                goto error;
            }
            fs->space_soft_limit = barrier * 1024; /* unit is bytes */
            fs->space_hard_limit = limit * 1024;   /* unit is bytes */
        }
    }

    if (VIR_APPEND_ELEMENT(def->fss, def->nfss, fs) < 0)
        goto error;

    VIR_FREE(temp);

    return 0;
 error:
    VIR_FREE(temp);
    virDomainFSDefFree(fs);
    return -1;
}
Пример #24
0
int virSecurityManagerGenLabel(virSecurityManagerPtr mgr,
                               virDomainDefPtr vm)
{
    int ret = -1;
    size_t i, j;
    virSecurityManagerPtr* sec_managers = NULL;
    virSecurityLabelDefPtr seclabel;
    bool generated = false;

    if (mgr == NULL || mgr->drv == NULL)
        return ret;

    if ((sec_managers = virSecurityManagerGetNested(mgr)) == NULL)
        return ret;

    virObjectLock(mgr);
    for (i = 0; i < vm->nseclabels; i++) {
        if (!vm->seclabels[i]->model)
            continue;

        for (j = 0; sec_managers[j]; j++)
            if (STREQ(vm->seclabels[i]->model, sec_managers[j]->drv->name))
                break;

        if (!sec_managers[j]) {
            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                           _("Unable to find security driver for label %s"),
                           vm->seclabels[i]->model);
            goto cleanup;
        }
    }

    for (i = 0; sec_managers[i]; i++) {
        generated = false;
        seclabel = virDomainDefGetSecurityLabelDef(vm, sec_managers[i]->drv->name);
        if (!seclabel) {
            if (!(seclabel = virSecurityLabelDefNew(sec_managers[i]->drv->name)))
                goto cleanup;
            generated = seclabel->implicit = true;
        }

        if (seclabel->type == VIR_DOMAIN_SECLABEL_DEFAULT) {
            if (sec_managers[i]->defaultConfined) {
                seclabel->type = VIR_DOMAIN_SECLABEL_DYNAMIC;
            } else {
                seclabel->type = VIR_DOMAIN_SECLABEL_NONE;
                seclabel->norelabel = true;
            }
        }

        if (seclabel->type == VIR_DOMAIN_SECLABEL_NONE) {
            if (sec_managers[i]->requireConfined) {
                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                               _("Unconfined guests are not allowed on this host"));
                goto cleanup;
            } else if (vm->nseclabels && generated) {
                VIR_DEBUG("Skipping auto generated seclabel of type none");
                virSecurityLabelDefFree(seclabel);
                seclabel = NULL;
                continue;
            }
        }

        if (!sec_managers[i]->drv->domainGenSecurityLabel) {
            virReportUnsupportedError();
            virSecurityLabelDefFree(seclabel);
            seclabel = NULL;
        } else {
            /* The seclabel must be added to @vm prior calling domainGenSecurityLabel
             * which may require seclabel to be presented already */
            if (generated &&
                VIR_APPEND_ELEMENT(vm->seclabels, vm->nseclabels, seclabel) < 0)
                goto cleanup;

            if (sec_managers[i]->drv->domainGenSecurityLabel(sec_managers[i], vm) < 0) {
                if (VIR_DELETE_ELEMENT(vm->seclabels,
                                       vm->nseclabels -1, vm->nseclabels) < 0)
                    vm->nseclabels--;
                goto cleanup;
            }

            seclabel = NULL;
        }
    }

    ret = 0;

 cleanup:
    virObjectUnlock(mgr);
    if (generated)
        virSecurityLabelDefFree(seclabel);
    VIR_FREE(sec_managers);
    return ret;
}
Пример #25
0
/*
 * Attempt to create a new LUN
 *
 * Returns:
 *
 *  0  => Success
 *  -1 => Failure due to some sort of OOM or other fatal issue found when
 *        attempting to get/update information about a found volume
 *  -2 => Failure to find a stable path, not fatal, caller can try another
 */
static int
virStorageBackendSCSINewLun(virStoragePoolObjPtr pool,
                            uint32_t host ATTRIBUTE_UNUSED,
                            uint32_t bus,
                            uint32_t target,
                            uint32_t lun,
                            const char *dev)
{
    virStorageVolDefPtr vol = NULL;
    char *devpath = NULL;
    int retval = -1;

    /* Check if the pool is using a stable target path. The call to
     * virStorageBackendStablePath will fail if the pool target path
     * isn't stable and just return the strdup'd 'devpath' anyway.
     * This would be indistinguishable to failing to find the stable
     * path to the device if the virDirRead loop to search the
     * target pool path for our devpath had failed.
     */
    if (!virStorageBackendPoolPathIsStable(pool->def->target.path) &&
        !(STREQ(pool->def->target.path, "/dev") ||
          STREQ(pool->def->target.path, "/dev/"))) {
        virReportError(VIR_ERR_INVALID_ARG,
                       _("unable to use target path '%s' for dev '%s'"),
                       NULLSTR(pool->def->target.path), dev);
        goto cleanup;
    }

    if (VIR_ALLOC(vol) < 0)
        goto cleanup;

    vol->type = VIR_STORAGE_VOL_BLOCK;

    /* 'host' is dynamically allocated by the kernel, first come,
     * first served, per HBA. As such it isn't suitable for use
     * in the volume name. We only need uniqueness per-pool, so
     * just leave 'host' out
     */
    if (virAsprintf(&(vol->name), "unit:%u:%u:%u", bus, target, lun) < 0)
        goto cleanup;

    if (virAsprintf(&devpath, "/dev/%s", dev) < 0)
        goto cleanup;

    VIR_DEBUG("Trying to create volume for '%s'", devpath);

    /* Now figure out the stable path
     *
     * XXX this method is O(N) because it scans the pool target
     * dir every time its run. Should figure out a more efficient
     * way of doing this...
     */
    if ((vol->target.path = virStorageBackendStablePath(pool,
                                                        devpath,
                                                        true)) == NULL)
        goto cleanup;

    if (STREQ(devpath, vol->target.path) &&
        !(STREQ(pool->def->target.path, "/dev") ||
          STREQ(pool->def->target.path, "/dev/"))) {

        VIR_DEBUG("No stable path found for '%s' in '%s'",
                  devpath, pool->def->target.path);

        retval = -2;
        goto cleanup;
    }

    /* Allow a volume read failure to ignore or skip this block file */
    if ((retval = virStorageBackendUpdateVolInfo(vol, true,
                                                 VIR_STORAGE_VOL_OPEN_DEFAULT,
                                                 VIR_STORAGE_VOL_READ_NOERROR)) < 0)
        goto cleanup;

    if (!(vol->key = virStorageBackendSCSISerial(vol->target.path)))
        goto cleanup;

    pool->def->capacity += vol->target.capacity;
    pool->def->allocation += vol->target.allocation;

    if (VIR_APPEND_ELEMENT(pool->volumes.objs, pool->volumes.count, vol) < 0)
        goto cleanup;

    vol = NULL;
    retval = 0;

 cleanup:
    virStorageVolDefFree(vol);
    VIR_FREE(devpath);
    return retval;
}
Пример #26
0
static int
lxcNetworkWalkCallback(const char *name, virConfValuePtr value, void *data)
{
    lxcNetworkParseData *parseData = data;
    int status;

    if (STREQ(name, "lxc.network.type")) {
        /* Store the previous NIC */
        status = lxcAddNetworkDefinition(parseData);

        if (status < 0)
            return -1;
        else if (status > 0)
            parseData->networks++;
        else if (parseData->type != NULL && STREQ(parseData->type, "none"))
            parseData->privnet = false;

        /* Start a new network interface config */
        parseData->type = NULL;
        parseData->link = NULL;
        parseData->mac = NULL;
        parseData->flag = NULL;
        parseData->macvlanmode = NULL;
        parseData->vlanid = NULL;
        parseData->name = NULL;

        parseData->ips = NULL;
        parseData->nips = 0;

        /* Keep the new value */
        parseData->type = value->str;
    }
    else if (STREQ(name, "lxc.network.link"))
        parseData->link = value->str;
    else if (STREQ(name, "lxc.network.hwaddr"))
        parseData->mac = value->str;
    else if (STREQ(name, "lxc.network.flags"))
        parseData->flag = value->str;
    else if (STREQ(name, "lxc.network.macvlan.mode"))
        parseData->macvlanmode = value->str;
    else if (STREQ(name, "lxc.network.vlan.id"))
        parseData->vlanid = value->str;
    else if (STREQ(name, "lxc.network.name"))
        parseData->name = value->str;
    else if (STREQ(name, "lxc.network.ipv4") ||
             STREQ(name, "lxc.network.ipv6")) {
        int family = AF_INET;
        char **ipparts = NULL;
        virDomainNetIpDefPtr ip = NULL;

        if (VIR_ALLOC(ip) < 0)
            return -1;

        if (STREQ(name, "lxc.network.ipv6"))
            family = AF_INET6;

        ipparts = virStringSplit(value->str, "/", 2);
        if (virStringListLength((const char * const *)ipparts) != 2 ||
            virSocketAddrParse(&ip->address, ipparts[0], family) < 0 ||
            virStrToLong_ui(ipparts[1], NULL, 10, &ip->prefix) < 0) {

            virReportError(VIR_ERR_INVALID_ARG,
                           _("Invalid CIDR address: '%s'"), value->str);

            virStringFreeList(ipparts);
            VIR_FREE(ip);
            return -1;
        }

        virStringFreeList(ipparts);

        if (VIR_APPEND_ELEMENT(parseData->ips, parseData->nips, ip) < 0) {
            VIR_FREE(ip);
            return -1;
        }
    } else if (STREQ(name, "lxc.network.ipv4.gateway")) {
        parseData->gateway_ipv4 = value->str;
    } else if (STREQ(name, "lxc.network.ipv6.gateway")) {
        parseData->gateway_ipv6 = value->str;
    } else if (STRPREFIX(name, "lxc.network")) {
        VIR_WARN("Unhandled network property: %s = %s",
                 name,
                 value->str);
    }

    return 0;
}
Пример #27
0
/**
 * virObjectEventCallbackListAddID:
 * @conn: pointer to the connection
 * @cbList: the list
 * @uuid: the optional uuid of the object to filter on
 * @filter: optional last-ditch filter callback
 * @filter_opaque: opaque data to pass to @filter
 * @klass: the base event class
 * @eventID: the event ID
 * @callback: the callback to add
 * @opaque: opaque data to pass to @callback
 * @freecb: callback to free @opaque
 * @legacy: true if callback is tracked by function instead of callbackID
 * @callbackID: filled with callback ID
 * @serverFilter: true if server supports object filtering
 *
 * Internal function to add a callback from a virObjectEventCallbackListPtr
 */
static int
virObjectEventCallbackListAddID(virConnectPtr conn,
                                virObjectEventCallbackListPtr cbList,
                                unsigned char uuid[VIR_UUID_BUFLEN],
                                virObjectEventCallbackFilter filter,
                                void *filter_opaque,
                                virClassPtr klass,
                                int eventID,
                                virConnectObjectEventGenericCallback callback,
                                void *opaque,
                                virFreeCallback freecb,
                                bool legacy,
                                int *callbackID,
                                bool serverFilter)
{
    virObjectEventCallbackPtr event;
    int ret = -1;
    int remoteID = -1;

    VIR_DEBUG("conn=%p cblist=%p uuid=%p filter=%p filter_opaque=%p "
              "klass=%p eventID=%d callback=%p opaque=%p "
              "legacy=%d callbackID=%p serverFilter=%d",
              conn, cbList, uuid, filter, filter_opaque, klass, eventID,
              callback, opaque, legacy, callbackID, serverFilter);

    /* Check incoming */
    if (!cbList)
        return -1;

    /* If there is no additional filtering, then check if we already
     * have this callback on our list.  */
    if (!filter &&
        virObjectEventCallbackLookup(conn, cbList, uuid,
                                     klass, eventID, callback, legacy,
                                     serverFilter ? &remoteID : NULL) != -1) {
        virReportError(VIR_ERR_INVALID_ARG, "%s",
                       _("event callback already tracked"));
        return -1;
    }
    /* Allocate new event */
    if (VIR_ALLOC(event) < 0)
        goto cleanup;
    event->conn = virObjectRef(conn);
    *callbackID = event->callbackID = cbList->nextID++;
    event->cb = callback;
    event->klass = klass;
    event->eventID = eventID;
    event->opaque = opaque;
    event->freecb = freecb;
    event->remoteID = remoteID;

    /* Only need 'uuid' for matching; 'id' can change as domain
     * switches between running and shutoff, and 'name' can change in
     * Xen migration.  */
    if (uuid) {
        event->uuid_filter = true;
        memcpy(event->uuid, uuid, VIR_UUID_BUFLEN);
    }
    event->filter = filter;
    event->filter_opaque = filter_opaque;
    event->legacy = legacy;

    if (VIR_APPEND_ELEMENT(cbList->callbacks, cbList->count, event) < 0)
        goto cleanup;

    /* When additional filtering is being done, every client callback
     * is matched to exactly one server callback.  */
    if (filter) {
        ret = 1;
    } else {
        ret = virObjectEventCallbackListCount(conn, cbList, klass, eventID,
                                              uuid, serverFilter);
        if (serverFilter && remoteID < 0)
            ret++;
    }

 cleanup:
    if (event)
        virObjectUnref(event->conn);
    VIR_FREE(event);
    return ret;
}
Пример #28
0
static int
virStorageBackendLogicalMakeVol(char **const groups,
                                void *opaque)
{
    struct virStorageBackendLogicalPoolVolData *data = opaque;
    virStoragePoolObjPtr pool = data->pool;
    virStorageVolDefPtr vol = NULL;
    bool is_new_vol = false;
    unsigned long long offset, size, length;
    const char *regex_unit = "(\\S+)\\((\\S+)\\)";
    char *regex = NULL;
    regex_t *reg = NULL;
    regmatch_t *vars = NULL;
    char *p = NULL;
    size_t i;
    int err, nextents, nvars, ret = -1;
    const char *attrs = groups[9];

    /* Skip inactive volume */
    if (attrs[4] != 'a')
        return 0;

    /*
     * Skip thin pools(t). These show up in normal lvs output
     * but do not have a corresponding /dev/$vg/$lv device that
     * is created by udev. This breaks assumptions in later code.
     */
    if (attrs[0] == 't')
        return 0;

    /* See if we're only looking for a specific volume */
    if (data->vol != NULL) {
        vol = data->vol;
        if (STRNEQ(vol->name, groups[0]))
            return 0;
    }

    /* Or filling in more data on an existing volume */
    if (vol == NULL)
        vol = virStorageVolDefFindByName(pool, groups[0]);

    /* Or a completely new volume */
    if (vol == NULL) {
        if (VIR_ALLOC(vol) < 0)
            return -1;

        is_new_vol = true;
        vol->type = VIR_STORAGE_VOL_BLOCK;

        if (VIR_STRDUP(vol->name, groups[0]) < 0)
            goto cleanup;

    }

    if (vol->target.path == NULL) {
        if (virAsprintf(&vol->target.path, "%s/%s",
                        pool->def->target.path, vol->name) < 0)
            goto cleanup;
    }

    /* Mark the (s) sparse/snapshot lv, e.g. the lv created using
     * the --virtualsize/-V option. We've already ignored the (t)hin
     * pool definition. In the manner libvirt defines these, the
     * thin pool is hidden to the lvs output, except as the name
     * in brackets [] described for the groups[1] (backingStore).
     */
    if (attrs[0] == 's')
        vol->target.sparse = true;

    /* Skips the backingStore of lv created with "--virtualsize",
     * its original device "/dev/$vgname/$lvname_vorigin" is
     * just for lvm internal use, one should never use it.
     *
     * (lvs outputs "[$lvname_vorigin] for field "origin" if the
     *  lv is created with "--virtualsize").
     */
    if (groups[1] && !STREQ(groups[1], "") && (groups[1][0] != '[')) {
        if (VIR_ALLOC(vol->target.backingStore) < 0)
            goto cleanup;

        if (virAsprintf(&vol->target.backingStore->path, "%s/%s",
                        pool->def->target.path, groups[1]) < 0)
            goto cleanup;

        vol->target.backingStore->format = VIR_STORAGE_POOL_LOGICAL_LVM2;
    }

    if (!vol->key && VIR_STRDUP(vol->key, groups[2]) < 0)
        goto cleanup;

    if (virStorageBackendUpdateVolInfo(vol, true, false,
                                       VIR_STORAGE_VOL_OPEN_DEFAULT) < 0)
        goto cleanup;

    nextents = 1;
    if (STREQ(groups[4], VIR_STORAGE_VOL_LOGICAL_SEGTYPE_STRIPED)) {
        if (virStrToLong_i(groups[5], NULL, 10, &nextents) < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("malformed volume extent stripes value"));
            goto cleanup;
        }
    }

    /* Finally fill in extents information */
    if (VIR_REALLOC_N(vol->source.extents,
                      vol->source.nextent + nextents) < 0)
        goto cleanup;

    if (virStrToLong_ull(groups[6], NULL, 10, &length) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       "%s", _("malformed volume extent length value"));
        goto cleanup;
    }
    if (virStrToLong_ull(groups[7], NULL, 10, &size) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       "%s", _("malformed volume extent size value"));
        goto cleanup;
    }
    if (virStrToLong_ull(groups[8], NULL, 10, &vol->target.allocation) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       "%s", _("malformed volume allocation value"));
        goto cleanup;
    }

    /* Now parse the "devices" field separately */
    if (VIR_STRDUP(regex, regex_unit) < 0)
        goto cleanup;

    for (i = 1; i < nextents; i++) {
        if (VIR_REALLOC_N(regex, strlen(regex) + strlen(regex_unit) + 2) < 0)
            goto cleanup;
        /* "," is the separator of "devices" field */
        strcat(regex, ",");
        strncat(regex, regex_unit, strlen(regex_unit));
    }

    if (VIR_ALLOC(reg) < 0)
        goto cleanup;

    /* Each extent has a "path:offset" pair, and vars[0] will
     * be the whole matched string.
     */
    nvars = (nextents * 2) + 1;
    if (VIR_ALLOC_N(vars, nvars) < 0)
        goto cleanup;

    err = regcomp(reg, regex, REG_EXTENDED);
    if (err != 0) {
        char error[100];
        regerror(err, reg, error, sizeof(error));
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Failed to compile regex %s"),
                       error);
        goto cleanup;
    }

    err = regexec(reg, groups[3], nvars, vars, 0);
    regfree(reg);
    if (err != 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("malformed volume extent devices value"));
        goto cleanup;
    }

    p = groups[3];

    /* vars[0] is skipped */
    for (i = 0; i < nextents; i++) {
        size_t j;
        int len;
        char *offset_str = NULL;

        j = (i * 2) + 1;
        len = vars[j].rm_eo - vars[j].rm_so;
        p[vars[j].rm_eo] = '\0';

        if (VIR_STRNDUP(vol->source.extents[vol->source.nextent].path,
                        p + vars[j].rm_so, len) < 0)
            goto cleanup;

        len = vars[j + 1].rm_eo - vars[j + 1].rm_so;
        if (VIR_STRNDUP(offset_str, p + vars[j + 1].rm_so, len) < 0)
            goto cleanup;

        if (virStrToLong_ull(offset_str, NULL, 10, &offset) < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("malformed volume extent offset value"));
            VIR_FREE(offset_str);
            goto cleanup;
        }

        VIR_FREE(offset_str);

        vol->source.extents[vol->source.nextent].start = offset * size;
        vol->source.extents[vol->source.nextent].end = (offset * size) + length;
        vol->source.nextent++;
    }

    if (is_new_vol &&
        VIR_APPEND_ELEMENT(pool->volumes.objs, pool->volumes.count, vol) < 0)
        goto cleanup;

    ret = 0;

 cleanup:
    VIR_FREE(regex);
    VIR_FREE(reg);
    VIR_FREE(vars);
    if (is_new_vol && (ret == -1))
        virStorageVolDefFree(vol);
    return ret;
}
Пример #29
0
static int
virStorageBackendZFSParseVol(virStoragePoolObjPtr pool,
                             virStorageVolDefPtr vol,
                             const char *volume_string)
{
    int ret = -1;
    char **tokens;
    size_t count;
    char **name_tokens = NULL;
    char *vol_name;
    bool is_new_vol = false;
    virStorageVolDefPtr volume = NULL;

    if (!(tokens = virStringSplitCount(volume_string, "\t", 0, &count)))
        return -1;

    if (count != 2)
        goto cleanup;

    if (!(name_tokens = virStringSplit(tokens[0], "/", 2)))
        goto cleanup;

    vol_name = name_tokens[1];

    if (vol == NULL)
        volume = virStorageVolDefFindByName(pool, vol_name);
    else
        volume = vol;

    if (volume == NULL) {
        if (VIR_ALLOC(volume) < 0)
            goto cleanup;

        is_new_vol = true;
        volume->type = VIR_STORAGE_VOL_BLOCK;

        if (VIR_STRDUP(volume->name, vol_name) < 0)
            goto cleanup;
    }

    if (!volume->key && VIR_STRDUP(volume->key, tokens[0]) < 0)
        goto cleanup;

    if (volume->target.path == NULL) {
        if (virAsprintf(&volume->target.path, "%s/%s",
                        pool->def->target.path, volume->name) < 0)
            goto cleanup;
    }

    if (virStrToLong_ull(tokens[1], NULL, 10, &volume->target.capacity) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       "%s", _("malformed volsize reported"));
        goto cleanup;
    }

    if (is_new_vol &&
        VIR_APPEND_ELEMENT(pool->volumes.objs,
                           pool->volumes.count,
                           volume) < 0)
        goto cleanup;

    ret = 0;
 cleanup:
    virStringFreeList(tokens);
    virStringFreeList(name_tokens);
    if (is_new_vol)
        virStorageVolDefFree(volume);
    return ret;
}
Пример #30
0
static int
bhyveParsePCIDisk(virDomainDefPtr def,
                  unsigned caps ATTRIBUTE_UNUSED,
                  unsigned pcislot,
                  unsigned pcibus,
                  unsigned function,
                  int bus,
                  int device,
                  unsigned *nvirtiodisk,
                  unsigned *nahcidisk,
                  char *config)
{
    /* -s slot,virtio-blk|ahci-cd|ahci-hd,/path/to/file */
    const char *separator = NULL;
    int idx = -1;
    virDomainDiskDefPtr disk = NULL;

    if (VIR_ALLOC(disk) < 0)
        goto cleanup;
    if (VIR_ALLOC(disk->src) < 0)
        goto error;

    disk->bus = bus;
    disk->device = device;

    disk->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI;
    disk->info.addr.pci.slot = pcislot;
    disk->info.addr.pci.bus = pcibus;
    disk->info.addr.pci.function = function;

    if (STRPREFIX(config, "/dev/"))
        disk->src->type = VIR_STORAGE_TYPE_BLOCK;
    else
        disk->src->type = VIR_STORAGE_TYPE_FILE;

    if (!config)
        goto error;

    separator = strchr(config, ',');
    if (VIR_STRNDUP(disk->src->path, config,
                    separator? separator - config : -1) < 0)
        goto error;

    if (bus == VIR_DOMAIN_DISK_BUS_VIRTIO) {
        idx = *nvirtiodisk;
        *nvirtiodisk += 1;
        if (VIR_STRDUP(disk->dst, "vda") < 0)
            goto error;
    } else if (bus == VIR_DOMAIN_DISK_BUS_SATA) {
        idx = *nahcidisk;
        *nahcidisk += 1;
        if (VIR_STRDUP(disk->dst, "sda") < 0)
            goto error;
    }

    if (idx > 'z' - 'a') {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                       _("too many disks"));
        goto error;
    }

    disk->dst[2] = 'a' + idx;

    if (VIR_APPEND_ELEMENT(def->disks, def->ndisks, disk) < 0)
        goto error;

 cleanup:
    return 0;

 error:
    virDomainDiskDefFree(disk);
    return -1;
}