C++ (Cpp) opts_visitor_new Examples

Example #1

File: object_interfaces.c Project: MaddTheSane/qemu

Object *user_creatable_add_opts(QemuOpts *opts, Error **errp)
{
    Visitor *v;
    QDict *pdict;
    Object *obj;
    const char *id = qemu_opts_id(opts);
    char *type = qemu_opt_get_del(opts, "qom-type");

    if (!type) {
        error_setg(errp, QERR_MISSING_PARAMETER, "qom-type");
        return NULL;
    }
    if (!id) {
        error_setg(errp, QERR_MISSING_PARAMETER, "id");
        qemu_opt_set(opts, "qom-type", type, &error_abort);
        g_free(type);
        return NULL;
    }

    qemu_opts_set_id(opts, NULL);
    pdict = qemu_opts_to_qdict(opts, NULL);

    v = opts_visitor_new(opts);
    obj = user_creatable_add_type(type, id, pdict, v, errp);
    visit_free(v);

    qemu_opts_set_id(opts, (char *) id);
    qemu_opt_set(opts, "qom-type", type, &error_abort);
    g_free(type);
    qobject_unref(pdict);
    return obj;
}

Example #2

File: object_interfaces.c Project: GamerSource/qemu

Object *user_creatable_add_opts(QemuOpts *opts, Error **errp)
{
    Visitor *v;
    QDict *pdict;
    Object *obj = NULL;

    v = opts_visitor_new(opts);
    pdict = qemu_opts_to_qdict(opts, NULL);

    obj = user_creatable_add(pdict, v, errp);
    visit_free(v);
    QDECREF(pdict);
    return obj;
}

Example #3

File: test-opts-visitor.c Project: JMR-b/qemu

static void
setup_fixture(OptsVisitorFixture *f, gconstpointer test_data)
{
    const char *opts_string = test_data;
    QemuOpts *opts;
    OptsVisitor *ov;

    opts = qemu_opts_parse(qemu_find_opts("userdef"), opts_string, false,
                           NULL);
    g_assert(opts != NULL);

    ov = opts_visitor_new(opts);
    visit_type_UserDefOptions(opts_get_visitor(ov), NULL, &f->userdef,
                              &f->err);
    opts_visitor_cleanup(ov);
    qemu_opts_del(opts);
}

Example #4

File: crypto.c Project: Isaac-Lozano/qemu

static QCryptoBlockCreateOptions *
block_crypto_create_opts_init(QCryptoBlockFormat format,
                              QemuOpts *opts,
                              Error **errp)
{
    OptsVisitor *ov;
    QCryptoBlockCreateOptions *ret = NULL;
    Error *local_err = NULL;

    ret = g_new0(QCryptoBlockCreateOptions, 1);
    ret->format = format;

    ov = opts_visitor_new(opts);

    visit_start_struct(opts_get_visitor(ov),
                       NULL, NULL, 0, &local_err);
    if (local_err) {
        goto out;
    }

    switch (format) {
    case Q_CRYPTO_BLOCK_FORMAT_LUKS:
        visit_type_QCryptoBlockCreateOptionsLUKS_members(
            opts_get_visitor(ov), &ret->u.luks, &local_err);
        break;

    default:
        error_setg(&local_err, "Unsupported block format %d", format);
        break;
    }
    if (!local_err) {
        visit_check_struct(opts_get_visitor(ov), &local_err);
    }

    visit_end_struct(opts_get_visitor(ov));

 out:
    if (local_err) {
        error_propagate(errp, local_err);
        qapi_free_QCryptoBlockCreateOptions(ret);
        ret = NULL;
    }
    opts_visitor_cleanup(ov);
    return ret;
}

Example #5

File: numa.c Project: pbhide/qemu-rocker

static int parse_numa(QemuOpts *opts, void *opaque)
{
    NumaOptions *object = NULL;
    Error *err = NULL;

    {
        OptsVisitor *ov = opts_visitor_new(opts);
        visit_type_NumaOptions(opts_get_visitor(ov), &object, NULL, &err);
        opts_visitor_cleanup(ov);
    }

    if (err) {
        goto error;
    }

    switch (object->kind) {
    case NUMA_OPTIONS_KIND_NODE:
        numa_node_parse(object->node, opts, &err);
        if (err) {
            goto error;
        }
        nb_numa_nodes++;
        break;
    default:
        abort();
    }

    return 0;

error:
    error_report_err(err);

    if (object) {
        QapiDeallocVisitor *dv = qapi_dealloc_visitor_new();
        visit_type_NumaOptions(qapi_dealloc_get_visitor(dv),
                               &object, NULL, NULL);
        qapi_dealloc_visitor_cleanup(dv);
    }

    return -1;
}

Example #6

File: core.c Project: MaddTheSane/qemu

void acpi_table_add(const QemuOpts *opts, Error **errp)
{
    AcpiTableOptions *hdrs = NULL;
    Error *err = NULL;
    char **pathnames = NULL;
    char **cur;
    size_t bloblen = 0;
    char unsigned *blob = NULL;

    {
        Visitor *v;

        v = opts_visitor_new(opts);
        visit_type_AcpiTableOptions(v, NULL, &hdrs, &err);
        visit_free(v);
    }

    if (err) {
        goto out;
    }
    if (hdrs->has_file == hdrs->has_data) {
        error_setg(&err, "'-acpitable' requires one of 'data' or 'file'");
        goto out;
    }

    pathnames = g_strsplit(hdrs->has_file ? hdrs->file : hdrs->data, ":", 0);
    if (pathnames == NULL || pathnames[0] == NULL) {
        error_setg(&err, "'-acpitable' requires at least one pathname");
        goto out;
    }

    /* now read in the data files, reallocating buffer as needed */
    for (cur = pathnames; *cur; ++cur) {
        int fd = open(*cur, O_RDONLY | O_BINARY);

        if (fd < 0) {
            error_setg(&err, "can't open file %s: %s", *cur, strerror(errno));
            goto out;
        }

        for (;;) {
            char unsigned data[8192];
            ssize_t r;

            r = read(fd, data, sizeof data);
            if (r == 0) {
                break;
            } else if (r > 0) {
                blob = g_realloc(blob, bloblen + r);
                memcpy(blob + bloblen, data, r);
                bloblen += r;
            } else if (errno != EINTR) {
                error_setg(&err, "can't read file %s: %s",
                           *cur, strerror(errno));
                close(fd);
                goto out;
            }
        }

        close(fd);
    }

    acpi_table_install(blob, bloblen, hdrs->has_file, hdrs, &err);

out:
    g_free(blob);
    g_strfreev(pathnames);
    qapi_free_AcpiTableOptions(hdrs);

    error_propagate(errp, err);
}