C++ sd_bus_error_setf函数代码示例

OStack程序员社区-中国程序员成长平台 › 门户 › 编程› C++›C++教程

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了C++中sd_bus_error_setf函数的典型用法代码示例。如果您正苦于以下问题：C++ sd_bus_error_setf函数的具体用法？C++ sd_bus_error_setf怎么用？C++ sd_bus_error_setf使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了sd_bus_error_setf函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: operation_done

static int operation_done(sd_event_source *s, const siginfo_t *si, void *userdata) {
        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
        Operation *o = userdata;
        int r;

        assert(o);
        assert(si);

        log_debug("Operating " PID_FMT " is now complete with code=%s status=%i",
                  o->pid,
                  sigchld_code_to_string(si->si_code), si->si_status);

        o->pid = 0;

        if (si->si_code != CLD_EXITED) {
                r = sd_bus_error_setf(&error, SD_BUS_ERROR_FAILED, "Child died abnormally.");
                goto fail;
        }

        if (si->si_status == EXIT_SUCCESS)
                r = 0;
        else if (read(o->errno_fd, &r, sizeof(r)) != sizeof(r)) { /* Try to acquire error code for failed operation */
                r = sd_bus_error_setf(&error, SD_BUS_ERROR_FAILED, "Child failed.");
                goto fail;
        }

        if (o->done) {
                /* A completion routine is set for this operation, call it. */
                r = o->done(o, r, &error);
                if (r < 0) {
                        if (!sd_bus_error_is_set(&error))
                                sd_bus_error_set_errno(&error, r);

                        goto fail;
                }

        } else {
                /* The default operation when done is to simply return an error on failure or an empty success
                 * message on success. */
                if (r < 0) {
                        sd_bus_error_set_errno(&error, r);
                        goto fail;
                }

                r = sd_bus_reply_method_return(o->message, NULL);
                if (r < 0)
                        log_error_errno(r, "Failed to reply to message: %m");
        }

        operation_free(o);
        return 0;

fail:
        r = sd_bus_reply_method_error(o->message, &error);
        if (r < 0)
                log_error_errno(r, "Failed to reply to message: %m");

        operation_free(o);
        return 0;
}

开发者ID:Hariprasathganesh，项目名称:testsysd，代码行数:60，代码来源:operation.c

示例2: bus_machine_method_kill

int bus_machine_method_kill(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
        Machine *m = userdata;
        const char *swho;
        int32_t signo;
        KillWho who;
        int r;

        assert(bus);
        assert(message);
        assert(m);

        r = sd_bus_message_read(message, "si", &swho, &signo);
        if (r < 0)
                return r;

        if (isempty(swho))
                who = KILL_ALL;
        else {
                who = kill_who_from_string(swho);
                if (who < 0)
                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho);
        }

        if (signo <= 0 || signo >= _NSIG)
                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);

        r = machine_kill(m, who, signo);
        if (r < 0)
                return r;

        return sd_bus_reply_method_return(message, NULL);
}

开发者ID:chenyf，项目名称:systemd，代码行数:32，代码来源:machine-dbus.c

示例3: driver_remove_match

static int driver_remove_match(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {

        struct bus_match_component *components = NULL;
        _cleanup_free_ char *normalized = NULL;
        Context *context = userdata;
        unsigned n_components = 0;
        Client *c = NULL;
        Match *m = NULL;
        char *arg0;
        uint64_t id;
        int r;

        assert(bus);
        assert(message);
        assert(context);

        r = sd_bus_message_read(message, "s", &arg0);
        if (r < 0)
                return r;

        r = bus_kernel_parse_unique_name(message->sender, &id);
        if (r < 0)
                return r;

        c = hashmap_get(context->clients, &id);
        if (!c)
                return sd_bus_error_setf(error, SD_BUS_ERROR_MATCH_RULE_NOT_FOUND, "You have not registered any matches.");

        r = bus_match_parse(arg0, &components, &n_components);
        if (r < 0) {
                r = sd_bus_error_setf(error, SD_BUS_ERROR_MATCH_RULE_INVALID, "Match rule \"%s\" is not valid", arg0);
                goto finish;
        }

        normalized = bus_match_to_string(components, n_components);
        if (!normalized) {
                r = -ENOMEM;
                goto finish;
        }

        m = hashmap_get(c->matches, normalized);
        if (!m) {
                r = sd_bus_error_setf(error, SD_BUS_ERROR_MATCH_RULE_NOT_FOUND, "Match rule \"%s\" not found.", normalized);
                goto finish;
        }

        bus_remove_match_internal_kernel(bus, id, m->cookie);
        match_free(m);

        r = sd_bus_reply_method_return(message, NULL);

finish:
        bus_match_parse_free(components, n_components);

        if (c->n_matches <= 0)
                client_free(c);

        return r;
}

开发者ID:jaanek，项目名称:systemd，代码行数:59，代码来源:bus-driverd.c

示例4: check_ifindex_flags

static int check_ifindex_flags(int ifindex, uint64_t *flags, sd_bus_error *error) {
        assert(flags);

        if (ifindex < 0)
                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid interface index");

        if (*flags & ~SD_RESOLVED_FLAGS_ALL)
                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid flags parameter");

        if (*flags == 0)
                *flags = SD_RESOLVED_FLAGS_DEFAULT;

        return 0;
}

开发者ID:pwaller，项目名称:systemd，代码行数:14，代码来源:resolved-bus.c

示例5: access_init

static int access_init(sd_bus_error *error) {

        if (!mac_selinux_use())
                return 0;

        if (initialized)
                return 1;

        if (avc_open(NULL, 0) != 0) {
                int enforce, saved_errno = errno;

                enforce = security_getenforce();
                log_full_errno(enforce != 0 ? LOG_ERR : LOG_WARNING, saved_errno, "Failed to open the SELinux AVC: %m");

                /* If enforcement isn't on, then let's suppress this
                 * error, and just don't do any AVC checks. The
                 * warning we printed is hence all the admin will
                 * see. */
                if (enforce == 0)
                        return 0;

                /* Return an access denied error, if we couldn't load
                 * the AVC but enforcing mode was on, or we couldn't
                 * determine whether it is one. */
                return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Failed to open the SELinux AVC: %s", strerror(saved_errno));
        }

        selinux_set_callback(SELINUX_CB_AUDIT, (union selinux_callback) audit_callback);
        selinux_set_callback(SELINUX_CB_LOG, (union selinux_callback) log_callback);

        initialized = true;
        return 1;
}

开发者ID:Werkov，项目名称:systemd，代码行数:33，代码来源:selinux-access.c

示例6: get_creds

static int get_creds(sd_bus *bus, sd_bus_message *m, uint64_t mask, sd_bus_creds **_creds, sd_bus_error *error) {
        _cleanup_bus_creds_unref_ sd_bus_creds *c = NULL;
        const char *name;
        int r;

        assert(bus);
        assert(m);
        assert(_creds);

        r = sd_bus_message_read(m, "s", &name);
        if (r < 0)
                return r;

        assert_return(service_name_is_valid(name), -EINVAL);

        r = sd_bus_get_owner(bus, name, mask, &c);
        if (r == -ENOENT || r == -ENXIO)
                return sd_bus_error_setf(error, SD_BUS_ERROR_NAME_HAS_NO_OWNER, "Name %s is currently not owned by anyone.", name);
        if (r < 0)
                return r;

        if ((c->mask & mask) != mask)
                return -ENOTSUP;

        *_creds = c;
        c = NULL;

        return 0;
}

开发者ID:jaanek，项目名称:systemd，代码行数:29，代码来源:bus-driverd.c

示例7: bus_scope_method_abandon

int bus_scope_method_abandon(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        Scope *s = userdata;
        int r;

        assert(message);
        assert(s);

        r = mac_selinux_unit_access_check(UNIT(s), message, "stop", error);
        if (r < 0)
                return r;

        r = bus_verify_manage_units_async(UNIT(s)->manager, message, error);
        if (r < 0)
                return r;
        if (r == 0)
                return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */

        r = scope_abandon(s);
        if (r == -ESTALE)
                return sd_bus_error_setf(error, BUS_ERROR_SCOPE_NOT_RUNNING, "Scope %s is not running, cannot abandon.", UNIT(s)->id);
        if (r < 0)
                return r;

        return sd_bus_reply_method_return(message, NULL);
}

开发者ID:walyong，项目名称:systemd，代码行数:25，代码来源:dbus-scope.c

示例8: method_set_hostname

static int method_set_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) {
    Context *c = userdata;
    const char *name;
    int interactive;
    char *h;
    int r;

    assert(m);
    assert(c);

    r = sd_bus_message_read(m, "sb", &name, &interactive);
    if (r < 0)
        return r;

    if (isempty(name))
        name = c->data[PROP_STATIC_HOSTNAME];

    if (isempty(name))
        name = "localhost";

    if (!hostname_is_valid(name, false))
        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", name);

    if (streq_ptr(name, c->data[PROP_HOSTNAME]))
        return sd_bus_reply_method_return(m, NULL);

    r = bus_verify_polkit_async(
            m,
            CAP_SYS_ADMIN,
            "org.freedesktop.hostname1.set-hostname",
            NULL,
            interactive,
            UID_INVALID,
            &c->polkit_registry,
            error);
    if (r < 0)
        return r;
    if (r == 0)
        return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */

    h = strdup(name);
    if (!h)
        return -ENOMEM;

    free(c->data[PROP_HOSTNAME]);
    c->data[PROP_HOSTNAME] = h;

    r = context_update_kernel_hostname(c);
    if (r < 0) {
        log_error_errno(r, "Failed to set host name: %m");
        return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %s", strerror(-r));
    }

    log_info("Changed host name to '%s'", strna(c->data[PROP_HOSTNAME]));

    (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/hostname1", "org.freedesktop.hostname1", "Hostname", NULL);

    return sd_bus_reply_method_return(m, NULL);
}

开发者ID:NetworkManager，项目名称:systemd，代码行数:59，代码来源:hostnamed.c

示例9: bus_machine_method_get_addresses

int bus_machine_method_get_addresses(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
        _cleanup_close_pair_ int pair[2] = { -1, -1 };
        _cleanup_free_ char *us = NULL, *them = NULL;
        _cleanup_close_ int netns_fd = -1;
        Machine *m = userdata;
        const char *p;
        siginfo_t si;
        pid_t child;
        int r;

        assert(bus);
        assert(message);
        assert(m);

        r = readlink_malloc("/proc/self/ns/net", &us);
        if (r < 0)
                return sd_bus_error_set_errno(error, r);

        p = procfs_file_alloca(m->leader, "ns/net");
        r = readlink_malloc(p, &them);
        if (r < 0)
                return sd_bus_error_set_errno(error, r);

        if (streq(us, them))
                return sd_bus_error_setf(error, BUS_ERROR_NO_PRIVATE_NETWORKING, "Machine %s does not use private networking", m->name);

        r = namespace_open(m->leader, NULL, NULL, &netns_fd, NULL);
        if (r < 0)
                return sd_bus_error_set_errno(error, r);

        if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, pair) < 0)
                return sd_bus_error_set_errno(error, -errno);

        child = fork();
        if (child < 0)
                return sd_bus_error_set_errno(error, -errno);

        if (child == 0) {
                _cleanup_free_ struct local_address *addresses = NULL;
                struct local_address *a;
                int i, n;

                pair[0] = safe_close(pair[0]);

                r = namespace_enter(-1, -1, netns_fd, -1);
                if (r < 0)
                        _exit(EXIT_FAILURE);

                n = local_addresses(NULL, 0, &addresses);
                if (n < 0)
                        _exit(EXIT_FAILURE);

                for (a = addresses, i = 0; i < n; a++, i++) {
                        struct iovec iov[2] = {
                                { .iov_base = &a->family, .iov_len = sizeof(a->family) },
                                { .iov_base = &a->address, .iov_len = FAMILY_ADDRESS_SIZE(a->family) },
                        };

开发者ID:chenyf，项目名称:systemd，代码行数:58，代码来源:machine-dbus.c

示例10: bus_machine_method_kill

int bus_machine_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        Machine *m = userdata;
        const char *swho;
        int32_t signo;
        KillWho who;
        int r;

        assert(message);
        assert(m);

        r = sd_bus_message_read(message, "si", &swho, &signo);
        if (r < 0)
                return r;

        if (isempty(swho))
                who = KILL_ALL;
        else {
                who = kill_who_from_string(swho);
                if (who < 0)
                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho);
        }

        if (signo <= 0 || signo >= _NSIG)
                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);

        r = bus_verify_polkit_async(
                        message,
                        CAP_KILL,
                        "org.freedesktop.machine1.manage-machines",
                        NULL,
                        false,
                        UID_INVALID,
                        &m->manager->polkit_registry,
                        error);
        if (r < 0)
                return r;
        if (r == 0)
                return 1; /* Will call us back */

        r = machine_kill(m, who, signo);
        if (r < 0)
                return r;

        return sd_bus_reply_method_return(message, NULL);
}

开发者ID:kihaloul，项目名称:systemd，代码行数:45，代码来源:machine-dbus.c

示例11: method_set_locale

static int method_set_locale(sd_bus_message *m, void *userdata, sd_bus_error *error) {
        Context *c = userdata;
        _cleanup_strv_free_ char **l = NULL;
        char **i;
        const char *lang = NULL;
        int interactive;
        bool modified = false;
        bool have[_VARIABLE_LC_MAX] = {};
        int p;
        int r;

        assert(m);
        assert(c);

        r = bus_message_read_strv_extend(m, &l);
        if (r < 0)
                return r;

        r = sd_bus_message_read_basic(m, 'b', &interactive);
        if (r < 0)
                return r;

        /* Check whether a variable changed and if it is valid */
        STRV_FOREACH(i, l) {
                bool valid = false;

                for (p = 0; p < _VARIABLE_LC_MAX; p++) {
                        size_t k;
                        const char *name;

                        name = locale_variable_to_string(p);
                        assert(name);

                        k = strlen(name);
                        if (startswith(*i, name) &&
                            (*i)[k] == '=' &&
                            locale_is_valid((*i) + k + 1)) {
                                valid = true;
                                have[p] = true;

                                if (p == VARIABLE_LANG)
                                        lang = (*i) + k + 1;

                                if (!streq_ptr(*i + k + 1, c->locale[p]))
                                        modified = true;

                                break;
                        }
                }

                if (!valid)
                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid Locale data.");
        }

开发者ID:embe，项目名称:systemd，代码行数:53，代码来源:localed.c

示例12: verify_sys_admin_or_owner_sync

static int verify_sys_admin_or_owner_sync(sd_bus_message *message, Job *j, sd_bus_error *error) {
        int r;

        if (sd_bus_track_contains(j->clients, sd_bus_message_get_sender(message)))
                return 0; /* One of the job owners is calling us */

        r = sd_bus_query_sender_privilege(message, CAP_SYS_ADMIN);
        if (r < 0)
                return r;
        if (r == 0)
                return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Access denied to perform action");

        /* Root has called us */
        return 0;
}

开发者ID:275288698，项目名称:systemd-ubuntu-with-dbus，代码行数:15，代码来源:dbus-job.c

示例13: bus_scope_abandon

static int bus_scope_abandon(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
        Scope *s = userdata;
        int r;

        assert(bus);
        assert(message);
        assert(s);

        r = scope_abandon(s);
        if (sd_bus_error_is_set(error))
                return r;

        if (r == -ESTALE)
                return sd_bus_error_setf(error, BUS_ERROR_SCOPE_NOT_RUNNING, "Scope %s is not running, cannot abandon.", UNIT(s)->id);

        return sd_bus_reply_method_return(message, NULL);
}

开发者ID:bvdberg，项目名称:systemd，代码行数:17，代码来源:dbus-scope.c

示例14: cc_Smartie_hangup_thunk

static int cc_Smartie_hangup_thunk(
    CC_IGNORE_BUS_ARG sd_bus_message *m, void *userdata, sd_bus_error *error)
{
    int result = 0;
    struct cc_server_Smartie *ii = (struct cc_server_Smartie *) userdata;
    int32_t status;

    CC_LOG_DEBUG("invoked cc_Smartie_hangup_thunk()\n");
    assert(m);
    assert(ii && ii->impl);
    CC_LOG_DEBUG("with path='%s'\n", sd_bus_message_get_path(m));

    result = sd_bus_message_read(m, "");
    if (result < 0) {
        CC_LOG_ERROR("unable to read method parameters: %s\n", strerror(-result));
        return result;
    }
    if (!ii->impl->hangup) {
        CC_LOG_ERROR("unsupported method invoked: %s\n", "Smartie.hangup");
        sd_bus_error_set(
            error, SD_BUS_ERROR_NOT_SUPPORTED,
            "instance does not support method Smartie.hangup");
        sd_bus_reply_method_error(m, error);
        return -ENOTSUP;
    }
    result = ii->impl->hangup(ii, &status);
    if (result < 0) {
        CC_LOG_ERROR("failed to execute method: %s\n", strerror(-result));
        sd_bus_error_setf(
            error, SD_BUS_ERROR_FAILED,
            "method implementation failed with error=%d", result);
        sd_bus_reply_method_error(m, error);
        return result;
    }
    result = sd_bus_reply_method_return(m, "i", status);
    if (result < 0) {
        CC_LOG_ERROR("unable to send method reply: %s\n", strerror(-result));
        return result;
    }

    /* Successful method invocation must return >0 */
    return 1;
}

开发者ID:gmacario，项目名称:common-api-c-poc，代码行数:43，代码来源:server-Smartie.c

示例15: bus_image_common_set_limit

int bus_image_common_set_limit(
                Manager *m,
                sd_bus_message *message,
                const char *name_or_path,
                Image *image,
                sd_bus_error *error) {

        uint64_t limit;
        int r;

        assert(message);
        assert(name_or_path || image);

        if (!m) {
                assert(image);
                m = image->userdata;
        }

        r = sd_bus_message_read(message, "t", &limit);
        if (r < 0)
                return r;
        if (!FILE_SIZE_VALID_OR_INFINITY(limit))
                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range");

        r = bus_image_acquire(m,
                              message,
                              name_or_path,
                              image,
                              BUS_IMAGE_AUTHENTICATE_ALL,
                              "org.freedesktop.portable1.manage-images",
                              &image,
                              error);
        if (r < 0)
                return r;
        if (r == 0)
                return 1; /* Will call us back */

        r = image_set_limit(image, limit);
        if (r < 0)
                return r;

        return sd_bus_reply_method_return(message, NULL);
}

开发者ID:Keruspe，项目名称:systemd，代码行数:43，代码来源:portabled-image-bus.c

示例16: bus_image_method_rename

int bus_image_method_rename(
                sd_bus_message *message,
                void *userdata,
                sd_bus_error *error) {

        Image *image = userdata;
        Manager *m = image->userdata;
        const char *new_name;
        int r;

        assert(message);
        assert(image);

        r = sd_bus_message_read(message, "s", &new_name);
        if (r < 0)
                return r;

        if (!image_name_is_valid(new_name))
                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", new_name);

        r = bus_verify_polkit_async(
                        message,
                        CAP_SYS_ADMIN,
                        "org.freedesktop.machine1.manage-images",
                        NULL,
                        false,
                        UID_INVALID,
                        &m->polkit_registry,
                        error);
        if (r < 0)
                return r;
        if (r == 0)
                return 1; /* Will call us back */

        r = image_rename(image, new_name);
        if (r < 0)
                return r;

        return sd_bus_reply_method_return(message, NULL);
}

开发者ID:arthur-c，项目名称:systemd，代码行数:40，代码来源:image-dbus.c

示例17: directory_image_get_os_release

static int directory_image_get_os_release(Image *image, char ***ret, sd_bus_error *error) {

        _cleanup_free_ char *path = NULL;
        int r;

        assert(image);
        assert(ret);

        r = chase_symlinks("/etc/os-release", image->path, CHASE_PREFIX_ROOT, &path);
        if (r == -ENOENT)
                r = chase_symlinks("/usr/lib/os-release", image->path, CHASE_PREFIX_ROOT, &path);
        if (r == -ENOENT)
                return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Image does not contain OS release information");
        if (r < 0)
                return sd_bus_error_set_errnof(error, r, "Failed to resolve %s: %m", image->path);

        r = load_env_file_pairs(NULL, path, NULL, ret);
        if (r < 0)
                return sd_bus_error_set_errnof(error, r, "Failed to open %s: %m", path);

        return 0;
}

开发者ID:tsmock，项目名称:systemd，代码行数:22，代码来源:image-dbus.c

示例18: bus_image_method_set_limit

int bus_image_method_set_limit(
                sd_bus_message *message,
                void *userdata,
                sd_bus_error *error) {

        Image *image = userdata;
        Manager *m = image->userdata;
        uint64_t limit;
        int r;

        assert(message);

        r = sd_bus_message_read(message, "t", &limit);
        if (r < 0)
                return r;
        if (!FILE_SIZE_VALID_OR_INFINITY(limit))
                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "New limit out of range");

        r = bus_verify_polkit_async(
                        message,
                        CAP_SYS_ADMIN,
                        "org.freedesktop.machine1.manage-images",
                        NULL,
                        false,
                        UID_INVALID,
                        &m->polkit_registry,
                        error);
        if (r < 0)
                return r;
        if (r == 0)
                return 1; /* Will call us back */

        r = image_set_limit(image, limit);
        if (r < 0)
                return r;

        return sd_bus_reply_method_return(message, NULL);
}

开发者ID:BenjaminLefoul，项目名称:systemd，代码行数:38，代码来源:image-dbus.c

示例19: reply_query_state

static int reply_query_state(DnsQuery *q) {
        _cleanup_free_ char *ip = NULL;
        const char *name;
        int r;

        if (q->request_hostname)
                name = q->request_hostname;
        else {
                r = in_addr_to_string(q->request_family, &q->request_address, &ip);
                if (r < 0)
                        return r;

                name = ip;
        }

        switch (q->state) {

        case DNS_TRANSACTION_NO_SERVERS:
                return sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found");

        case DNS_TRANSACTION_TIMEOUT:
                return sd_bus_reply_method_errorf(q->request, SD_BUS_ERROR_TIMEOUT, "Query timed out");

        case DNS_TRANSACTION_ATTEMPTS_MAX_REACHED:
                return sd_bus_reply_method_errorf(q->request, SD_BUS_ERROR_TIMEOUT, "All attempts to contact name servers or networks failed");

        case DNS_TRANSACTION_INVALID_REPLY:
                return sd_bus_reply_method_errorf(q->request, BUS_ERROR_INVALID_REPLY, "Received invalid reply");

        case DNS_TRANSACTION_RESOURCES:
                return sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_RESOURCES, "Not enough resources");

        case DNS_TRANSACTION_ABORTED:
                return sd_bus_reply_method_errorf(q->request, BUS_ERROR_ABORTED, "Query aborted");

        case DNS_TRANSACTION_FAILURE: {
                _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;

                if (q->answer_rcode == DNS_RCODE_NXDOMAIN)
                        sd_bus_error_setf(&error, _BUS_ERROR_DNS "NXDOMAIN", "'%s' not found", name);
                else {
                        const char *rc, *n;
                        char p[3]; /* the rcode is 4 bits long */

                        rc = dns_rcode_to_string(q->answer_rcode);
                        if (!rc) {
                                sprintf(p, "%i", q->answer_rcode);
                                rc = p;
                        }

                        n = strappenda(_BUS_ERROR_DNS, rc);
                        sd_bus_error_setf(&error, n, "Could not resolve '%s', server or network returned error %s", name, rc);
                }

                return sd_bus_reply_method_error(q->request, &error);
        }

        case DNS_TRANSACTION_NULL:
        case DNS_TRANSACTION_PENDING:
        case DNS_TRANSACTION_SUCCESS:
        default:
                assert_not_reached("Impossible state");
        }
}

开发者ID:pwaller，项目名称:systemd，代码行数:64，代码来源:resolved-bus.c

示例20: driver_add_match

static int driver_add_match(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {

        struct bus_match_component *components = NULL;
        Context *context = userdata;
        unsigned n_components = 0;
        Match *m = NULL;
        Client *c = NULL;
        char *arg0;
        uint64_t id;
        int r;

        assert(bus);
        assert(message);
        assert(context);

        r = sd_bus_message_read(message, "s", &arg0);
        if (r < 0)
                return r;

        r = bus_kernel_parse_unique_name(message->sender, &id);
        if (r < 0)
                return r;

        r = client_acquire(context, id, &c);
        if (r == -ENOBUFS)
                return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Reached limit of %u clients", CLIENTS_MAX);
        if (r < 0)
                return r;

        if (c->n_matches >= MATCHES_MAX) {
                r = sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Reached limit of %u matches per client", MATCHES_MAX);
                goto fail;
        }

        r = bus_match_parse(arg0, &components, &n_components);
        if (r < 0) {
                r = sd_bus_error_setf(error, SD_BUS_ERROR_MATCH_RULE_INVALID, "Match rule \"%s\" is not valid", arg0);
                goto fail;
        }

        r = match_new(c, components, n_components, &m);
        if (r < 0)
                goto fail;

        r = bus_add_match_internal_kernel(bus, id, components, n_components, m->cookie);
        if (r < 0)
                goto fail;

        bus_match_parse_free(components, n_components);

        return sd_bus_reply_method_return(message, NULL);

fail:
        bus_match_parse_free(components, n_components);

        match_free(m);

        if (c->n_matches <= 0)
                client_free(c);

        return r;
}

开发者ID:jaanek，项目名称:systemd，代码行数:62，代码来源:bus-driverd.c

注：本文中的sd_bus_error_setf函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

鲜花

握手

雷人

路过

鸡蛋

该文章已有0人参与评论

请发表评论

全部评论

专题导读

More+

10-27 六六分期app的软件客服如何联系？(六六分期

11-06 可心卡盟:win10系统火狐flash插件崩溃怎么

11-06 亲亲特价:怎么删除回收站图标

11-06 济南大学虚拟社区:鲁大师节能降温的具体办

11-06 xlueops.exe:无线网络安装向导

11-06 女斗合众国:win7系统cf与主机连接不稳定怎

11-06 0xc000022-[cf烟雾头]cf怎么调烟雾头

11-06 qizideyouhuo:应用程序无法正常启动0xc0000

11-06 ipz-185:win7系统vcf文件怎么打开

11-06 傻哥蹦迪:win10系统s4怎么打开usb调试

11-06 八神浩树gtaste:回收站清空了怎么恢复

11-06 妖尾之黑色守护:win10系统电脑没有1440x900

11-06 校园至尊魔王小说:win7系统浏览网页时字体

11-06 女斗合众国:win10系统访问共享文件夹提示请

11-06 tokyo hot n0654:恢复win7系统默认字体一招

11-06 雨酷仙境:设置win7系统转移临时文件夹腾出

11-06 阿穆纳伊之杖:win7系统开始菜单在右边还原

11-06 tunespotting:win10系统火狐flash插件总是

11-06 甘尔葛分析师：计谋网站seo关键词暴涨有什

11-06 蔡贵霖: 计谋网站seo关键词暴涨有什么秘密

11-06 博益网首页:ao3网页版进入不了解决方法

11-06 漏斗子专栏: 网站数据分析小白易懂精华篇

11-06 见证双虹怎么做:win7系统开启telnet命令的

11-06 颾狐蝶蜋:系统资源不足无法完成请求的服务

11-06 国光中学校歌:提交网站到alexa查询详细步骤

11-06 西安有情天:静态网页和动态网页的区别

11-06 红木雅尚斋:外部链接构造对网站的好处

11-06 前官礼遇：防止域名劫持–增强域安全性的10

11-06 密传二转答案: 中文分词算法有哪些

11-06 金泉家园邮编:百度快照劫持的表现及应对方

C++ sd_bus_message_append函数代码示例发布时间：2022-05-30

C++ sd_ble_gatts_sys_attr_set函数代码示例发布时间：2022-05-30

剪的笔顺,诠释剪的笔画,认识剪的部首

1 六六分期app的软件客服如何联系？(六六分期

六六分期app的软件客服如何联系？不知道吗？加qq群【895510560】即可！标题：六六分期

阅读：19162|2023-10-27

2 可心卡盟:win10系统火狐flash插件崩溃怎么

今天小编告诉大家如何处理win10系统火狐flash插件总是崩溃的问题，可能很多用户都不知

阅读：9981|2022-11-06

3 亲亲特价:怎么删除回收站图标

今天小编告诉大家如何对win10系统删除桌面回收站图标进行设置，可能很多用户都不知道

阅读：8320|2022-11-06

4 济南大学虚拟社区:鲁大师节能降温的具体办

今天小编告诉大家如何对win10系统电脑设置节能降温的设置方法，想必大家都遇到过需要

阅读：8690|2022-11-06

5 xlueops.exe:无线网络安装向导

我们在使用xp系统的过程中,经常需要对xp系统无线网络安装向导设置进行设置，可能很多

阅读：8634|2022-11-06

6 女斗合众国:win7系统cf与主机连接不稳定怎

今天小编告诉大家如何处理win7系统玩cf老是与主机连接不稳定的问题，可能很多用户都不

阅读：9649|2022-11-06

7 0xc000022-[cf烟雾头]cf怎么调烟雾头

电脑对日常生活的重要性小编就不多说了，可是一旦碰到win7系统设置cf烟雾头的问题，很

阅读：8617|2022-11-06

8 qizideyouhuo:应用程序无法正常启动0xc0000

我们在日常使用电脑的时候，有的小伙伴们可能在打开应用的时候会遇见提示应用程序无法

阅读：7994|2022-11-06

9 ipz-185:win7系统vcf文件怎么打开

今天小编告诉大家如何对win7系统打开vcf文件进行设置，可能很多用户都不知道怎么对win

阅读：8648|2022-11-06

10 傻哥蹦迪:win10系统s4怎么打开usb调试

今天小编告诉大家如何对win10系统s4开启USB调试模式进行设置，可能很多用户都不知道怎

阅读：7531|2022-11-06

客服电话

电子邮件

C++ sd_bus_error_setf函数代码示例

示例1: operation_done

示例2: bus_machine_method_kill

示例3: driver_remove_match

示例4: check_ifindex_flags

示例5: access_init

示例6: get_creds

示例7: bus_scope_method_abandon

示例8: method_set_hostname

示例9: bus_machine_method_get_addresses

示例10: bus_machine_method_kill

示例11: method_set_locale

示例12: verify_sys_admin_or_owner_sync

示例13: bus_scope_abandon

示例14: cc_Smartie_hangup_thunk

示例15: bus_image_common_set_limit

示例16: bus_image_method_rename

示例17: directory_image_get_os_release

示例18: bus_image_method_set_limit

示例19: reply_query_state

示例20: driver_add_match

请发表评论

全部评论

上一篇：

下一篇：

kojino/Harvard-Robust-Machine-Learning:

cescoffier/puppet-nexus: A Puppet Module

文的笔顺,诠释文的笔画,解读文的部首

abos3d/CleanArchitectKotlinFlowHiltSimpl

Cassolotl/sentient.cloud · GitHub

剪的笔顺,诠释剪的笔画,认识剪的部首

六六分期app的软件客服如何联系？(六六分期

florent37/ViewAnimator: A fluent Android

florent37/Shrine-MaterialDesign2: implem

CVE-2020-36276

SimpleSoftwareIO/simple-sms: Send and re

关于我们

产品与服务

解决方案

139-2527-9053