C++ (Cpp) json_parser_parse_err Examples

Example #1

File: qemu-ga.c Project: AsherBond/qemu-kvm

/* handle requests/control events coming in over the channel */
static void process_event(JSONMessageParser *parser, QList *tokens)
{
    GAState *s = container_of(parser, GAState, parser);
    QObject *obj;
    QDict *qdict;
    Error *err = NULL;
    int ret;

    g_assert(s && parser);

    g_debug("process_event: called");
    obj = json_parser_parse_err(tokens, NULL, &err);
    if (err || !obj || qobject_type(obj) != QTYPE_QDICT) {
        qobject_decref(obj);
        qdict = qdict_new();
        if (!err) {
            g_warning("failed to parse event: unknown error");
            error_set(&err, QERR_JSON_PARSING);
        } else {
            g_warning("failed to parse event: %s", error_get_pretty(err));
        }
        qdict_put_obj(qdict, "error", error_get_qobject(err));
        error_free(err);
    } else {
        qdict = qobject_to_qdict(obj);
    }

    g_assert(qdict);

    /* handle host->guest commands */
    if (qdict_haskey(qdict, "execute")) {
        process_command(s, qdict);
    } else {
        if (!qdict_haskey(qdict, "error")) {
            QDECREF(qdict);
            qdict = qdict_new();
            g_warning("unrecognized payload format");
            error_set(&err, QERR_UNSUPPORTED);
            qdict_put_obj(qdict, "error", error_get_qobject(err));
            error_free(err);
        }
        ret = conn_channel_send_payload(s->conn_channel, QOBJECT(qdict));
        if (ret) {
            g_warning("error sending payload: %s", strerror(ret));
        }
    }

    QDECREF(qdict);
}

Example #2

File: main.c Project: JunaidLoonat/qemu

/* handle requests/control events coming in over the channel */
static void process_event(JSONMessageParser *parser, GQueue *tokens)
{
    GAState *s = container_of(parser, GAState, parser);
    QDict *qdict;
    Error *err = NULL;
    int ret;

    g_assert(s && parser);

    g_debug("process_event: called");
    qdict = qobject_to_qdict(json_parser_parse_err(tokens, NULL, &err));
    if (err || !qdict) {
        QDECREF(qdict);
        qdict = qdict_new();
        if (!err) {
            g_warning("failed to parse event: unknown error");
            error_setg(&err, QERR_JSON_PARSING);
        } else {
            g_warning("failed to parse event: %s", error_get_pretty(err));
        }
        qdict_put_obj(qdict, "error", qmp_build_error_object(err));
        error_free(err);
    }

    /* handle host->guest commands */
    if (qdict_haskey(qdict, "execute")) {
        process_command(s, qdict);
    } else {
        if (!qdict_haskey(qdict, "error")) {
            QDECREF(qdict);
            qdict = qdict_new();
            g_warning("unrecognized payload format");
            error_setg(&err, QERR_UNSUPPORTED);
            qdict_put_obj(qdict, "error", qmp_build_error_object(err));
            error_free(err);
        }
        ret = send_response(s, QOBJECT(qdict));
        if (ret < 0) {
            g_warning("error sending error response: %s", strerror(-ret));
        }
    }

    QDECREF(qdict);
}

Example #3

File: main.c Project: JayFoxRox/xqemu

/* handle requests/control events coming in over the channel */
static void process_event(JSONMessageParser *parser, GQueue *tokens)
{
    GAState *s = container_of(parser, GAState, parser);
    QObject *obj;
    QDict *req, *rsp;
    Error *err = NULL;
    int ret;

    g_assert(s && parser);

    g_debug("process_event: called");
    obj = json_parser_parse_err(tokens, NULL, &err);
    if (err) {
        goto err;
    }
    req = qobject_to(QDict, obj);
    if (!req) {
        error_setg(&err, QERR_JSON_PARSING);
        goto err;
    }
    if (!qdict_haskey(req, "execute")) {
        g_warning("unrecognized payload format");
        error_setg(&err, QERR_UNSUPPORTED);
        goto err;
    }

    process_command(s, req);
    qobject_unref(obj);
    return;

err:
    g_warning("failed to parse event: %s", error_get_pretty(err));
    rsp = qmp_error_response(err);
    ret = send_response(s, rsp);
    if (ret < 0) {
        g_warning("error sending error response: %s", strerror(-ret));
    }
    qobject_unref(rsp);
    qobject_unref(obj);
}