Ejemplo n.º 1
0
int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname)
{
    char line[1024], group[64], id[64], arg[64], value[1024];
    Location loc;
    QemuOptsList *list = NULL;
    QemuOpts *opts = NULL;
    int res = -1, lno = 0;

    loc_push_none(&loc);
    while (fgets(line, sizeof(line), fp) != NULL) {
        loc_set_file(fname, ++lno);
        if (line[0] == '\n') {
            /* skip empty lines */
            continue;
        }
        if (line[0] == '#') {
            /* comment */
            continue;
        }
        if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) {
            /* group with id */
            list = find_list(lists, group);
            if (list == NULL)
                goto out;
            opts = qemu_opts_create(list, id, 1);
            continue;
        }
        if (sscanf(line, "[%63[^]]]", group) == 1) {
            /* group without id */
            list = find_list(lists, group);
            if (list == NULL)
                goto out;
            opts = qemu_opts_create(list, NULL, 0);
            continue;
        }
        if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) {
            /* arg = value */
            if (opts == NULL) {
                error_report("no group defined");
                goto out;
            }
            if (qemu_opt_set(opts, arg, value) != 0) {
                goto out;
            }
            continue;
        }
        error_report("parse error");
        goto out;
    }
    if (ferror(fp)) {
        error_report("error reading file");
        goto out;
    }
    res = 0;
out:
    loc_pop(&loc);
    return res;
}
Ejemplo n.º 2
0
int qemu_config_parse(FILE *fp)
{
    char line[1024], group[64], id[64], arg[64], value[1024];
    QemuOptsList *list = NULL;
    QemuOpts *opts = NULL;

    while (fgets(line, sizeof(line), fp) != NULL) {
        if (line[0] == '\n') {
            /* skip empty lines */
            continue;
        }
        if (line[0] == '#') {
            /* comment */
            continue;
        }
        if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) {
            /* group with id */
            list = find_list(group);
            if (list == NULL)
                return -1;
            opts = qemu_opts_create(list, id, 1);
            continue;
        }
        if (sscanf(line, "[%63[^]]]", group) == 1) {
            /* group without id */
            list = find_list(group);
            if (list == NULL)
                return -1;
            opts = qemu_opts_create(list, NULL, 0);
            continue;
        }
        if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) {
            /* arg = value */
            if (opts == NULL) {
                fprintf(stderr, "no group defined\n");
                return -1;
            }
            if (qemu_opt_set(opts, arg, value) != 0) {
                fprintf(stderr, "failed to set \"%s\" for %s\n",
                        arg, group);
                return -1;
            }
            continue;
        }
        fprintf(stderr, "parse error: %s\n", line);
        return -1;
    }
    return 0;
}
Ejemplo n.º 3
0
static void char_ringbuf_test(void)
{
    QemuOpts *opts;
    Chardev *chr;
    CharBackend be;
    char *data;
    int ret;

    opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label",
                            1, &error_abort);
    qemu_opt_set(opts, "backend", "ringbuf", &error_abort);

    qemu_opt_set(opts, "size", "5", &error_abort);
    chr = qemu_chr_new_from_opts(opts, NULL);
    g_assert_null(chr);
    qemu_opts_del(opts);

    opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label",
                            1, &error_abort);
    qemu_opt_set(opts, "backend", "ringbuf", &error_abort);
    qemu_opt_set(opts, "size", "2", &error_abort);
    chr = qemu_chr_new_from_opts(opts, &error_abort);
    g_assert_nonnull(chr);
    qemu_opts_del(opts);

    qemu_chr_fe_init(&be, chr, &error_abort);
    ret = qemu_chr_fe_write(&be, (void *)"buff", 4);
    g_assert_cmpint(ret, ==, 4);

    data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort);
    g_assert_cmpstr(data, ==, "ff");
    g_free(data);

    data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort);
    g_assert_cmpstr(data, ==, "");
    g_free(data);

    qemu_chr_fe_deinit(&be, true);

    /* check alias */
    opts = qemu_opts_create(qemu_find_opts("chardev"), "memory-label",
                            1, &error_abort);
    qemu_opt_set(opts, "backend", "memory", &error_abort);
    qemu_opt_set(opts, "size", "2", &error_abort);
    chr = qemu_chr_new_from_opts(opts, NULL);
    g_assert_nonnull(chr);
    object_unparent(OBJECT(chr));
    qemu_opts_del(opts);
}
Ejemplo n.º 4
0
int inet_listen(const char *str, char *ostr, int olen,
                int socktype, int port_offset, Error **errp)
{
    QemuOpts *opts;
    char *optstr;
    int sock = -1;
    InetSocketAddress *addr;

    addr = inet_parse(str, errp);
    if (addr != NULL) {
        opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
        inet_addr_to_opts(opts, addr);
        qapi_free_InetSocketAddress(addr);
        sock = inet_listen_opts(opts, port_offset, errp);
        if (sock != -1 && ostr) {
            optstr = strchr(str, ',');
            if (qemu_opt_get_bool(opts, "ipv6", 0)) {
                snprintf(ostr, olen, "[%s]:%s%s",
                         qemu_opt_get(opts, "host"),
                         qemu_opt_get(opts, "port"),
                         optstr ? optstr : "");
            } else {
                snprintf(ostr, olen, "%s:%s%s",
                         qemu_opt_get(opts, "host"),
                         qemu_opt_get(opts, "port"),
                         optstr ? optstr : "");
            }
        }
        qemu_opts_del(opts);
    }
    return sock;
}
Ejemplo n.º 5
0
int inet_listen(const char *str, char *ostr, int olen,
                int socktype, int port_offset)
{
    QemuOpts *opts;
    char *optstr;
    int sock = -1;

    opts = qemu_opts_create(&dummy_opts, NULL, 0);
    if (inet_parse(opts, str) == 0) {
        sock = inet_listen_opts(opts, port_offset);
        if (sock != -1 && ostr) {
            optstr = strchr(str, ',');
            if (qemu_opt_get_bool(opts, "ipv6", 0)) {
                snprintf(ostr, olen, "[%s]:%s%s",
                         qemu_opt_get(opts, "host"),
                         qemu_opt_get(opts, "port"),
                         optstr ? optstr : "");
            } else {
                snprintf(ostr, olen, "%s:%s%s",
                         qemu_opt_get(opts, "host"),
                         qemu_opt_get(opts, "port"),
                         optstr ? optstr : "");
            }
        }
    }
    qemu_opts_del(opts);
    return sock;
}
Ejemplo n.º 6
0
int socket_connect(SocketAddress *addr, Error **errp,
                   NonBlockingConnectHandler *callback, void *opaque)
{
    QemuOpts *opts;
    int fd;

    opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
    switch (addr->kind) {
    case SOCKET_ADDRESS_KIND_INET:
        inet_addr_to_opts(opts, addr->inet);
        fd = inet_connect_opts(opts, errp, callback, opaque);
        break;

    case SOCKET_ADDRESS_KIND_UNIX:
        qemu_opt_set(opts, "path", addr->q_unix->path, &error_abort);
        fd = unix_connect_opts(opts, errp, callback, opaque);
        break;

    case SOCKET_ADDRESS_KIND_FD:
        fd = monitor_get_fd(cur_mon, addr->fd->str, errp);
        if (fd >= 0 && callback) {
            qemu_set_nonblock(fd);
            callback(fd, NULL, opaque);
        }
        break;

    default:
        abort();
    }
    qemu_opts_del(opts);
    return fd;
}
Ejemplo n.º 7
0
static void test_qemu_opts_create(void)
{
    QemuOptsList *list;
    QemuOpts *opts;

    list = qemu_find_opts("opts_list_01");
    g_assert(list != NULL);
    g_assert(QTAILQ_EMPTY(&list->head));
    g_assert_cmpstr(list->name, ==, "opts_list_01");

    /* should not find anything at this point */
    opts = qemu_opts_find(list, NULL);
    g_assert(opts == NULL);

    /* create the opts */
    opts = qemu_opts_create(list, NULL, 0, &error_abort);
    g_assert(opts != NULL);
    g_assert(!QTAILQ_EMPTY(&list->head));

    /* now we've create the opts, must find it */
    opts = qemu_opts_find(list, NULL);
    g_assert(opts != NULL);

    qemu_opts_del(opts);

    /* should not find anything at this point */
    opts = qemu_opts_find(list, NULL);
    g_assert(opts == NULL);
}
Ejemplo n.º 8
0
/* compatibility wrapper */
int unix_listen(const char *str, char *ostr, int olen)
{
    QemuOpts *opts;
    char *path, *optstr;
    int sock, len;

    opts = qemu_opts_create(&dummy_opts, NULL, 0);

    optstr = strchr(str, ',');
    if (optstr) {
        len = optstr - str;
        if (len) {
            path = qemu_malloc(len+1);
            snprintf(path, len+1, "%.*s", len, str);
            qemu_opt_set(opts, "path", path);
            qemu_free(path);
        }
    } else {
        qemu_opt_set(opts, "path", str);
    }

    sock = unix_listen_opts(opts);

    if (sock != -1 && ostr)
        snprintf(ostr, olen, "%s%s", qemu_opt_get(opts, "path"), optstr ? optstr : "");
    qemu_opts_del(opts);
    return sock;
}
Ejemplo n.º 9
0
int socket_listen(SocketAddress *addr, Error **errp)
{
    QemuOpts *opts;
    int fd;

    opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
    switch (addr->kind) {
    case SOCKET_ADDRESS_KIND_INET:
        inet_addr_to_opts(opts, addr->inet);
        fd = inet_listen_opts(opts, 0, errp);
        break;

    case SOCKET_ADDRESS_KIND_UNIX:
        qemu_opt_set(opts, "path", addr->q_unix->path, &error_abort);
        fd = unix_listen_opts(opts, errp);
        break;

    case SOCKET_ADDRESS_KIND_FD:
        fd = monitor_get_fd(cur_mon, addr->fd->str, errp);
        break;

    default:
        abort();
    }
    qemu_opts_del(opts);
    return fd;
}
Ejemplo n.º 10
0
static int qemu_archipelago_open(BlockDriverState *bs,
                                 QDict *options,
                                 int bdrv_flags,
                                 Error **errp)
{
    int ret = 0;
    const char *volume, *segment_name;
    QemuOpts *opts;
    Error *local_err = NULL;
    BDRVArchipelagoState *s = bs->opaque;

    opts = qemu_opts_create(&archipelago_runtime_opts, NULL, 0, &error_abort);
    qemu_opts_absorb_qdict(opts, options, &local_err);
    if (local_err) {
        error_propagate(errp, local_err);
        ret = -EINVAL;
        goto err_exit;
    }

    s->mportno = qemu_opt_get_number(opts, ARCHIPELAGO_OPT_MPORT,
                                     ARCHIPELAGO_DFL_MPORT);
    s->vportno = qemu_opt_get_number(opts, ARCHIPELAGO_OPT_VPORT,
                                     ARCHIPELAGO_DFL_VPORT);

    segment_name = qemu_opt_get(opts, ARCHIPELAGO_OPT_SEGMENT);
    if (segment_name == NULL) {
        s->segment_name = g_strdup("archipelago");
    } else {
        s->segment_name = g_strdup(segment_name);
    }

    volume = qemu_opt_get(opts, ARCHIPELAGO_OPT_VOLUME);
    if (volume == NULL) {
        error_setg(errp, "archipelago block driver requires the 'volume'"
                   " option");
        ret = -EINVAL;
        goto err_exit;
    }
    s->volname = g_strdup(volume);

    /* Initialize XSEG, join shared memory segment */
    ret = qemu_archipelago_init(s);
    if (ret < 0) {
        error_setg(errp, "cannot initialize XSEG and join shared "
                   "memory segment");
        goto err_exit;
    }

    qemu_opts_del(opts);
    return 0;

err_exit:
    g_free(s->volname);
    g_free(s->segment_name);
    qemu_opts_del(opts);
    return ret;
}
Ejemplo n.º 11
0
static void test_qemu_opt_get_size(void)
{
    QemuOptsList *list;
    QemuOpts *opts;
    uint64_t opt;
    QDict *dict;

    list = qemu_find_opts("opts_list_02");
    g_assert(list != NULL);
    g_assert(QTAILQ_EMPTY(&list->head));
    g_assert_cmpstr(list->name, ==, "opts_list_02");

    /* should not find anything at this point */
    opts = qemu_opts_find(list, NULL);
    g_assert(opts == NULL);

    /* create the opts */
    opts = qemu_opts_create(list, NULL, 0, &error_abort);
    g_assert(opts != NULL);
    g_assert(!QTAILQ_EMPTY(&list->head));

    /* haven't set anything to size1 yet, so defval should be returned */
    opt = qemu_opt_get_size(opts, "size1", 5);
    g_assert(opt == 5);

    dict = qdict_new();
    g_assert(dict != NULL);

    qdict_put(dict, "size1", qstring_from_str("10"));

    qemu_opts_absorb_qdict(opts, dict, &error_abort);
    g_assert(error_abort == NULL);

    /* now we have set size1, should know about it */
    opt = qemu_opt_get_size(opts, "size1", 5);
    g_assert(opt == 10);

    /* reset value */
    qdict_put(dict, "size1", qstring_from_str("15"));

    qemu_opts_absorb_qdict(opts, dict, &error_abort);
    g_assert(error_abort == NULL);

    /* test the reset value */
    opt = qemu_opt_get_size(opts, "size1", 5);
    g_assert(opt == 15);

    qdict_del(dict, "size1");
    g_free(dict);

    qemu_opts_del(opts);

    /* should not find anything at this point */
    opts = qemu_opts_find(list, NULL);
    g_assert(opts == NULL);
}
Ejemplo n.º 12
0
static USBDevice *usb_msd_init(const char *filename)
{
    static int nr=0;
    char id[8];
    QemuOpts *opts;
    DriveInfo *dinfo;
    USBDevice *dev;
    int fatal_error;
    const char *p1;
    char fmt[32];

    /* parse -usbdevice disk: syntax into drive opts */
    snprintf(id, sizeof(id), "usb%d", nr++);
    opts = qemu_opts_create(&qemu_drive_opts, id, 0);

    p1 = strchr(filename, ':');
    if (p1++) {
        const char *p2;

        if (strstart(filename, "format=", &p2)) {
            int len = MIN(p1 - p2, sizeof(fmt));
            pstrcpy(fmt, len, p2);
            qemu_opt_set(opts, "format", fmt);
        } else if (*filename != ':') {
            printf("unrecognized USB mass-storage option %s\n", filename);
            return NULL;
        }
        filename = p1;
    }
    if (!*filename) {
        printf("block device specification needed\n");
        return NULL;
    }
    qemu_opt_set(opts, "file", filename);
    qemu_opt_set(opts, "if", "none");

    /* create host drive */
    dinfo = drive_init(opts, NULL, &fatal_error);
    if (!dinfo) {
        qemu_opts_del(opts);
        return NULL;
    }

    /* create guest device */
    dev = usb_create(NULL /* FIXME */, "usb-storage");
    if (!dev) {
        return NULL;
    }
    qdev_prop_set_drive(&dev->qdev, "drive", dinfo);
    if (qdev_init(&dev->qdev) < 0)
        return NULL;

    return dev;
}
Ejemplo n.º 13
0
int unix_connect(const char *path, Error **errp)
{
    QemuOpts *opts;
    int sock;

    opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
    qemu_opt_set(opts, "path", path, &error_abort);
    sock = unix_connect_opts(opts, errp, NULL, NULL);
    qemu_opts_del(opts);
    return sock;
}
Ejemplo n.º 14
0
static int block_crypto_open_generic(QCryptoBlockFormat format,
                                     QemuOptsList *opts_spec,
                                     BlockDriverState *bs,
                                     QDict *options,
                                     int flags,
                                     Error **errp)
{
    BlockCrypto *crypto = bs->opaque;
    QemuOpts *opts = NULL;
    Error *local_err = NULL;
    int ret = -EINVAL;
    QCryptoBlockOpenOptions *open_opts = NULL;
    unsigned int cflags = 0;

    bs->file = bdrv_open_child(NULL, options, "file", bs, &child_file,
                               false, errp);
    if (!bs->file) {
        return -EINVAL;
    }

    opts = qemu_opts_create(opts_spec, NULL, 0, &error_abort);
    qemu_opts_absorb_qdict(opts, options, &local_err);
    if (local_err) {
        error_propagate(errp, local_err);
        goto cleanup;
    }

    open_opts = block_crypto_open_opts_init(format, opts, errp);
    if (!open_opts) {
        goto cleanup;
    }

    if (flags & BDRV_O_NO_IO) {
        cflags |= QCRYPTO_BLOCK_OPEN_NO_IO;
    }
    crypto->block = qcrypto_block_open(open_opts,
                                       block_crypto_read_func,
                                       bs,
                                       cflags,
                                       errp);

    if (!crypto->block) {
        ret = -EIO;
        goto cleanup;
    }

    bs->encrypted = true;
    bs->valid_key = true;

    ret = 0;
 cleanup:
    qapi_free_QCryptoBlockOpenOptions(open_opts);
    return ret;
}
Ejemplo n.º 15
0
int inet_connect(const char *str, int socktype)
{
    QemuOpts *opts;
    int sock = -1;

    opts = qemu_opts_create(&dummy_opts, NULL, 0);
    if (inet_parse(opts, str) == 0)
        sock = inet_connect_opts(opts);
    qemu_opts_del(opts);
    return sock;
}
Ejemplo n.º 16
0
int unix_connect(const char *path)
{
    QemuOpts *opts;
    int sock;

    opts = qemu_opts_create(&dummy_opts, NULL, 0);
    qemu_opt_set(opts, "path", path);
    sock = unix_connect_opts(opts);
    qemu_opts_del(opts);
    return sock;
}
Ejemplo n.º 17
0
QemuOpts *qemu_find_opts_singleton(const char *group)
{
    QemuOptsList *list;
    QemuOpts *opts;

    list = qemu_find_opts(group);
    assert(list);
    opts = qemu_opts_find(list, NULL);
    if (!opts) {
        opts = qemu_opts_create(list, NULL, 0, &error_abort);
    }
    return opts;
}
Ejemplo n.º 18
0
/**
 * Create a blocking socket and connect it to an address.
 *
 * @str: address string
 * @errp: set in case of an error
 *
 * Returns -1 in case of error, file descriptor on success
 **/
int inet_connect(const char *str, Error **errp)
{
    QemuOpts *opts;
    int sock = -1;

    opts = qemu_opts_create(&dummy_opts, NULL, 0, NULL);
    if (inet_parse(opts, str) == 0) {
        sock = inet_connect_opts(opts, errp, NULL, NULL);
    } else {
        error_set(errp, QERR_SOCKET_CREATE_FAILED);
    }
    qemu_opts_del(opts);
    return sock;
}
Ejemplo n.º 19
0
int unix_nonblocking_connect(const char *path,
                             NonBlockingConnectHandler *callback,
                             void *opaque, Error **errp)
{
    QemuOpts *opts;
    int sock = -1;

    g_assert(callback != NULL);

    opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
    qemu_opt_set(opts, "path", path, &error_abort);
    sock = unix_connect_opts(opts, errp, callback, opaque);
    qemu_opts_del(opts);
    return sock;
}
Ejemplo n.º 20
0
static int qemu_gluster_open(BlockDriverState *bs,  QDict *options,
                             int bdrv_flags, Error **errp)
{
    BDRVGlusterState *s = bs->opaque;
    int open_flags = 0;
    int ret = 0;
    GlusterConf *gconf = g_malloc0(sizeof(GlusterConf));
    QemuOpts *opts;
    Error *local_err = NULL;
    const char *filename;

    opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
    qemu_opts_absorb_qdict(opts, options, &local_err);
    if (local_err) {
        error_propagate(errp, local_err);
        ret = -EINVAL;
        goto out;
    }

    filename = qemu_opt_get(opts, "filename");

    s->glfs = qemu_gluster_init(gconf, filename, errp);
    if (!s->glfs) {
        ret = -errno;
        goto out;
    }

    qemu_gluster_parse_flags(bdrv_flags, &open_flags);

    s->fd = glfs_open(s->glfs, gconf->image, open_flags);
    if (!s->fd) {
        ret = -errno;
    }

out:
    qemu_opts_del(opts);
    qemu_gluster_gconf_free(gconf);
    if (!ret) {
        return ret;
    }
    if (s->fd) {
        glfs_close(s->fd);
    }
    if (s->glfs) {
        glfs_fini(s->glfs);
    }
    return ret;
}
Ejemplo n.º 21
0
/**
 * Create a blocking socket and connect it to an address.
 *
 * @str: address string
 * @errp: set in case of an error
 *
 * Returns -1 in case of error, file descriptor on success
 **/
int inet_connect(const char *str, Error **errp)
{
    QemuOpts *opts;
    int sock = -1;
    InetSocketAddress *addr;

    addr = inet_parse(str, errp);
    if (addr != NULL) {
        opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
        inet_addr_to_opts(opts, addr);
        qapi_free_InetSocketAddress(addr);
        sock = inet_connect_opts(opts, errp, NULL, NULL);
        qemu_opts_del(opts);
    }
    return sock;
}
Ejemplo n.º 22
0
static void char_console_test_subprocess(void)
{
    QemuOpts *opts;
    Chardev *chr;

    opts = qemu_opts_create(qemu_find_opts("chardev"), "console-label",
                            1, &error_abort);
    qemu_opt_set(opts, "backend", "console", &error_abort);

    chr = qemu_chr_new_from_opts(opts, NULL);
    g_assert_nonnull(chr);

    qemu_chr_write_all(chr, (const uint8_t *)"CONSOLE", 7);

    qemu_opts_del(opts);
    object_unparent(OBJECT(chr));
}
Ejemplo n.º 23
0
static void test_qemu_opt_get_number(void)
{
    QemuOptsList *list;
    QemuOpts *opts;
    uint64_t opt;
    int ret;

    list = qemu_find_opts("opts_list_01");
    g_assert(list != NULL);
    g_assert(QTAILQ_EMPTY(&list->head));
    g_assert_cmpstr(list->name, ==, "opts_list_01");

    /* should not find anything at this point */
    opts = qemu_opts_find(list, NULL);
    g_assert(opts == NULL);

    /* create the opts */
    opts = qemu_opts_create(list, NULL, 0, &error_abort);
    g_assert(opts != NULL);
    g_assert(!QTAILQ_EMPTY(&list->head));

    /* haven't set anything to number1 yet, so defval should be returned */
    opt = qemu_opt_get_number(opts, "number1", 5);
    g_assert(opt == 5);

    ret = qemu_opt_set_number(opts, "number1", 10);
    g_assert(ret == 0);

    /* now we have set number1, should know about it */
    opt = qemu_opt_get_number(opts, "number1", 5);
    g_assert(opt == 10);

    /* having reset it, the returned should be the reset one not defval */
    ret = qemu_opt_set_number(opts, "number1", 15);
    g_assert(ret == 0);

    opt = qemu_opt_get_number(opts, "number1", 5);
    g_assert(opt == 15);

    qemu_opts_del(opts);

    /* should not find anything at this point */
    opts = qemu_opts_find(list, NULL);
    g_assert(opts == NULL);
}
Ejemplo n.º 24
0
static void test_qemu_opt_get_bool(void)
{
    QemuOptsList *list;
    QemuOpts *opts;
    bool opt;
    int ret;

    list = qemu_find_opts("opts_list_02");
    g_assert(list != NULL);
    g_assert(QTAILQ_EMPTY(&list->head));
    g_assert_cmpstr(list->name, ==, "opts_list_02");

    /* should not find anything at this point */
    opts = qemu_opts_find(list, NULL);
    g_assert(opts == NULL);

    /* create the opts */
    opts = qemu_opts_create(list, NULL, 0, &error_abort);
    g_assert(opts != NULL);
    g_assert(!QTAILQ_EMPTY(&list->head));

    /* haven't set anything to bool1 yet, so defval should be returned */
    opt = qemu_opt_get_bool(opts, "bool1", false);
    g_assert(opt == false);

    ret = qemu_opt_set_bool(opts, "bool1", true);
    g_assert(ret == 0);

    /* now we have set bool1, should know about it */
    opt = qemu_opt_get_bool(opts, "bool1", false);
    g_assert(opt == true);

    /* having reset the value, opt should be the reset one not defval */
    ret = qemu_opt_set_bool(opts, "bool1", false);
    g_assert(ret == 0);

    opt = qemu_opt_get_bool(opts, "bool1", true);
    g_assert(opt == false);

    qemu_opts_del(opts);

    /* should not find anything at this point */
    opts = qemu_opts_find(list, NULL);
    g_assert(opts == NULL);
}
Ejemplo n.º 25
0
/**
 * Create a non-blocking socket and connect it to an address.
 * Calls the callback function with fd in case of success or -1 in case of
 * error.
 *
 * @str: address string
 * @callback: callback function that is called when connect completes,
 *            cannot be NULL.
 * @opaque: opaque for callback function
 * @errp: set in case of an error
 *
 * Returns: -1 on immediate error, file descriptor on success.
 **/
int inet_nonblocking_connect(const char *str,
                             NonBlockingConnectHandler *callback,
                             void *opaque, Error **errp)
{
    QemuOpts *opts;
    int sock = -1;

    g_assert(callback != NULL);

    opts = qemu_opts_create(&dummy_opts, NULL, 0, NULL);
    if (inet_parse(opts, str) == 0) {
        sock = inet_connect_opts(opts, errp, callback, opaque);
    } else {
        error_set(errp, QERR_SOCKET_CREATE_FAILED);
    }
    qemu_opts_del(opts);
    return sock;
}
Ejemplo n.º 26
0
int qemu_global_option(const char *str)
{
    char driver[64], property[64];
    QemuOpts *opts;
    int rc, offset;

    rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset);
    if (rc < 2 || str[offset] != '=') {
        qemu_error("can't parse: \"%s\"\n", str);
        return -1;
    }

    opts = qemu_opts_create(&qemu_global_opts, NULL, 0);
    qemu_opt_set(opts, "driver", driver);
    qemu_opt_set(opts, "property", property);
    qemu_opt_set(opts, "value", str+offset+1);
    return 0;
}
Ejemplo n.º 27
0
static void test_qemu_opt_get(void)
{
    QemuOptsList *list;
    QemuOpts *opts;
    const char *opt = NULL;

    list = qemu_find_opts("opts_list_01");
    g_assert(list != NULL);
    g_assert(QTAILQ_EMPTY(&list->head));
    g_assert_cmpstr(list->name, ==, "opts_list_01");

    /* should not find anything at this point */
    opts = qemu_opts_find(list, NULL);
    g_assert(opts == NULL);

    /* create the opts */
    opts = qemu_opts_create(list, NULL, 0, &error_abort);
    g_assert(opts != NULL);
    g_assert(!QTAILQ_EMPTY(&list->head));

    /* haven't set anything to str2 yet */
    opt = qemu_opt_get(opts, "str2");
    g_assert(opt == NULL);

    qemu_opt_set(opts, "str2", "value");

    /* now we have set str2, should know about it */
    opt = qemu_opt_get(opts, "str2");
    g_assert_cmpstr(opt, ==, "value");

    qemu_opt_set(opts, "str2", "value2");

    /* having reset the value, the returned should be the reset one */
    opt = qemu_opt_get(opts, "str2");
    g_assert_cmpstr(opt, ==, "value2");

    qemu_opts_del(opts);

    /* should not find anything at this point */
    opts = qemu_opts_find(list, NULL);
    g_assert(opts == NULL);
}
Ejemplo n.º 28
0
/**
 * Create a non-blocking socket and connect it to an address.
 * Calls the callback function with fd in case of success or -1 in case of
 * error.
 *
 * @str: address string
 * @callback: callback function that is called when connect completes,
 *            cannot be NULL.
 * @opaque: opaque for callback function
 * @errp: set in case of an error
 *
 * Returns: -1 on immediate error, file descriptor on success.
 **/
int inet_nonblocking_connect(const char *str,
                             NonBlockingConnectHandler *callback,
                             void *opaque, Error **errp)
{
    QemuOpts *opts;
    int sock = -1;
    InetSocketAddress *addr;

    g_assert(callback != NULL);

    addr = inet_parse(str, errp);
    if (addr != NULL) {
        opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
        inet_addr_to_opts(opts, addr);
        qapi_free_InetSocketAddress(addr);
        sock = inet_connect_opts(opts, errp, callback, opaque);
        qemu_opts_del(opts);
    }
    return sock;
}
Ejemplo n.º 29
0
static int blkverify_open(BlockDriverState *bs, QDict *options, int flags,
                          Error **errp)
{
    BDRVBlkverifyState *s = bs->opaque;
    QemuOpts *opts;
    Error *local_err = NULL;
    int ret;

    opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
    qemu_opts_absorb_qdict(opts, options, &local_err);
    if (local_err) {
        error_propagate(errp, local_err);
        ret = -EINVAL;
        goto fail;
    }

    /* Open the raw file */
    assert(bs->file == NULL);
    ret = bdrv_open_image(&bs->file, qemu_opt_get(opts, "x-raw"), options,
                          "raw", flags | BDRV_O_PROTOCOL, false, &local_err);
    if (ret < 0) {
        error_propagate(errp, local_err);
        goto fail;
    }

    /* Open the test file */
    assert(s->test_file == NULL);
    ret = bdrv_open_image(&s->test_file, qemu_opt_get(opts, "x-image"), options,
                          "test", flags, false, &local_err);
    if (ret < 0) {
        error_propagate(errp, local_err);
        s->test_file = NULL;
        goto fail;
    }

    ret = 0;
fail:
    qemu_opts_del(opts);
    return ret;
}
Ejemplo n.º 30
0
int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp)
{
    QemuOpts *opts;
    int fd;

    opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort);
    switch (remote->kind) {
    case SOCKET_ADDRESS_KIND_INET:
        inet_addr_to_opts(opts, remote->inet);
        if (local) {
            qemu_opt_set(opts, "localaddr", local->inet->host, &error_abort);
            qemu_opt_set(opts, "localport", local->inet->port, &error_abort);
        }
        fd = inet_dgram_opts(opts, errp);
        break;

    default:
        error_setg(errp, "socket type unsupported for datagram");
        fd = -1;
    }
    qemu_opts_del(opts);
    return fd;
}