Diff: private/rci_binary_input.h

Revision:

0:1c358ea10753

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/private/rci_binary_input.h	Tue Dec 03 13:34:02 2013 +0000
@@ -0,0 +1,1030 @@
+/*
+ * Copyright (c) 2013 Digi International Inc.,
+ * All rights not expressly granted are reserved.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * Digi International Inc. 11001 Bren Road East, Minnetonka, MN 55343
+ * =======================================================================
+ */
+
+
+#if defined RCI_PARSER_USES_ERROR_DESCRIPTIONS
+static char const rci_set_empty_group_hint[] = "Empty group";
+static char const rci_set_empty_element_hint[] = "empty element";
+static char const rci_error_descriptor_mismatch_hint[] = "Mismatch configurations";
+static char const rci_error_content_size_hint[] = "Maximum content size exceeded";
+#else
+#define rci_set_empty_group_hint            RCI_NO_HINT
+#define rci_set_empty_element_hint          RCI_NO_HINT
+#define rci_error_descriptor_mismatch_hint  RCI_NO_HINT
+#define rci_error_content_size_hint         RCI_NO_HINT
+#endif
+
+static connector_bool_t destination_in_storage(rci_t const * const rci)
+{
+    uint8_t const * const storage_begin = rci->input.storage;
+    uint8_t const * const storage_end = storage_begin + sizeof rci->input.storage;
+
+    return ptr_in_range(rci->input.destination, storage_begin, storage_end);
+}
+
+static size_t get_bytes_to_follow(uint8_t opcode)
+{
+    size_t bytes_to_read = 0;
+
+    if (opcode & BINARY_RCI_SIZE_ALTERNATE_FLAG)
+    {
+        rci_size_modifier_t size_mask = BINARY_RCI_SIZE_MODIFIER(opcode);
+        switch (size_mask)
+        {
+        case binary_rci_one_follow_byte:
+            bytes_to_read = 1;
+            break;
+        case binary_rci_multi_follow_byte:
+            switch (BINARY_RCI_MULTI_FOLLOW_BYTES(opcode))
+            {
+                case binary_rci_two_follow_byte:
+                    bytes_to_read = 2;
+                    break;
+                case binary_rci_four_follow_byte:
+                    bytes_to_read = 4;
+                    break;
+                case binary_rci_eight_follow_byte:
+                    bytes_to_read = 8;
+                    break;
+            }
+            break;
+        case binary_rci_special_value:
+            bytes_to_read = 0;
+            break;
+        default:
+            ASSERT(connector_false);
+        }
+    }
+    return bytes_to_read;
+}
+
+static void reset_input_content(rci_t * const rci)
+{
+    rci->shared.content.data = rci->input.destination;
+    rci->shared.content.length = 0;
+}
+
+#define BINARY_RCI_ONE_BYTE_LIMIT_MASK  UINT32_C(0x7F)
+#define BINARY_RCI_HI_BYTE_MASK         UINT32_C(0x1F)
+
+static size_t get_modifier_ber(rci_t * const rci, uint32_t * const value)
+{
+
+    uint8_t * const rci_ber = rci->shared.content.data;
+    uint8_t const modifier_ber = message_load_u8(rci_ber, value);
+
+    size_t bytes_read = ++rci->shared.content.length;
+
+    {
+        /* we have modifier BEF */
+        size_t const bytes_to_follow = get_bytes_to_follow(modifier_ber) +1;
+
+        bytes_read = rci->shared.content.length;
+
+        if (bytes_read < bytes_to_follow)
+        {
+            bytes_read = 0;
+            goto done;
+        }
+
+        switch (bytes_to_follow)
+        {
+            case record_bytes(rci_ber):
+               *value =  (modifier_ber & BINARY_RCI_SIZE_ALTERNATE_FLAG) ? modifier_ber : (modifier_ber & BINARY_RCI_ONE_BYTE_LIMIT_MASK);
+                break;
+            case record_bytes(rci_ber_u8):
+            {
+                uint8_t * const rci_ber_u8 = rci_ber;
+                /* mask of the 1st byte for data value */
+                *value = (modifier_ber & BINARY_RCI_HI_BYTE_MASK) << 8;
+                *value |= message_load_u8(rci_ber_u8, value);
+                break;
+            }
+            case record_bytes(rci_ber_u16):
+            {
+                uint8_t * const rci_ber_u16 = rci_ber;
+                *value = message_load_be16(rci_ber_u16, value);
+                break;
+            }
+            case record_bytes(rci_ber_u32):
+            {
+                uint8_t * const rci_ber_u32 = rci_ber;
+                *value = message_load_be32(rci_ber_u32, value);
+                break;
+            }
+            default:
+                ASSERT(bytes_to_follow == 1);
+                /* NONUM or TRM value */
+                *value = modifier_ber;
+                break;
+        }
+        bytes_read = bytes_to_follow;
+    }
+
+done:
+    return bytes_read;
+}
+
+static connector_bool_t get_uint32(rci_t * const rci, uint32_t * const value)
+{
+
+    size_t const bytes = get_modifier_ber(rci, value);
+
+    if (bytes > 0)
+        reset_input_content(rci);
+
+    return connector_bool(bytes > 0);
+}
+
+#if defined RCI_PARSER_USES_FLOAT
+static connector_bool_t get_float(rci_t * const rci, float * const value)
+{
+
+    connector_bool_t value_decoded = connector_false;
+    uint8_t * rci_ber_u32 = rci->shared.content.data;
+    uint8_t const opcode = message_load_u8(rci_ber_u32, opcode);
+
+    rci->shared.content.length++;
+    ASSERT(sizeof(uint32_t) == sizeof(float));
+
+    {
+        /* we have modifier BEF */
+        size_t const bytes_to_follow = get_bytes_to_follow(opcode);
+        size_t bytes_read = rci->shared.content.length;
+
+        if (bytes_read < (bytes_to_follow + 1))
+        {
+            goto error;
+        }
+
+        /* Current, we only support single precision float. */
+        ASSERT(bytes_read == record_bytes(rci_ber_u32));
+
+        {
+            uint32_t float_value = message_load_be32(rci_ber_u32, value);
+            memcpy(value, &float_value, sizeof *value);
+        }
+    }
+
+    value_decoded = connector_true;
+    reset_input_content(rci);
+
+error:
+    return value_decoded;
+}
+#endif
+
+static connector_bool_t get_string(rci_t * const rci, char const * * string, size_t * const length)
+{
+    connector_bool_t got_string = connector_false;
+    uint32_t value;
+    size_t const ber_bytes = get_modifier_ber(rci, &value);
+
+    if (ber_bytes > 0)
+    {
+        size_t const bytes = rci->shared.content.length;
+#if defined CONNECTOR_DEBUG
+        size_t const size_max = SIZE_MAX;
+
+        (void)size_max;
+        ASSERT(value <= size_max);
+#endif
+        *length = value;
+        if (*length > CONNECTOR_RCI_MAXIMUM_CONTENT_LENGTH)
+        {
+            connector_debug_printf("Maximum content size exceeded while getting  a string - wanted %u, had %u\n", *length, CONNECTOR_RCI_MAXIMUM_CONTENT_LENGTH);
+            rci_set_output_error(rci, connector_rci_error_bad_descriptor, rci_error_content_size_hint, rci_output_state_field_id);
+            goto done;
+        }
+
+        if (bytes == (ber_bytes + *length))
+        {
+            char * data = (char *)(rci->shared.content.data + ber_bytes);
+
+            if (!destination_in_storage(rci))
+            {
+                memcpy(rci->input.storage, data, *length);
+                data = (char *)rci->input.storage;
+            }
+
+            data[*length] = nul;
+            *string =  data;
+
+            reset_input_content(rci);
+            got_string = connector_true;
+        }
+    }
+done:
+    return got_string;
+}
+
+#if defined RCI_PARSER_USES_IPV4
+static connector_bool_t get_ip_address(rci_t * const rci, uint32_t * const ip_addr, size_t const length)
+{
+    connector_bool_t got_ip = connector_false;
+
+    uint8_t * rci_ber_u32 = rci->shared.content.data;
+    uint8_t const bytes_read = message_load_u8(rci_ber_u32, opcode);
+
+    UNUSED_PARAMETER(length);
+
+    rci->shared.content.length++;
+
+    if (rci->shared.content.length == (size_t)(bytes_read + 1))
+    {
+        /* Current, we only support ipv4. */
+        ASSERT(bytes_read == sizeof *ip_addr);
+        ASSERT(length == bytes_read);
+
+        *ip_addr = message_load_be32(rci_ber_u32, value);
+
+        got_ip = connector_true;
+        reset_input_content(rci);
+    }
+
+    return got_ip;
+}
+#endif
+
+static connector_bool_t decode_attribute(rci_t * const rci, unsigned int * index)
+{
+#define BINARY_RCI_ATTRIBUTE_TYPE_MASK  0x60  /* attr type: [bit 6 and 5] */
+
+#define BINARY_RCI_ATTRIBUTE_TYPE_NORMAL 0x00
+#define BINARY_RCI_ATTRIBUTE_TYPE_INDEX  0x20
+#define BINARY_RCI_ATTRIBUTE_TYPE_NAME   0x40
+
+#define BINARY_RCI_ATTRIBUTE_INDEX_MASK 0x1F
+
+    connector_bool_t got_attribute = connector_false;
+    uint32_t attribute_value;
+
+    if (get_uint32(rci, &attribute_value))
+    {
+        unsigned int type = attribute_value & BINARY_RCI_ATTRIBUTE_TYPE_MASK;
+        switch (type)
+        {
+            case BINARY_RCI_ATTRIBUTE_TYPE_INDEX:
+                *index =  attribute_value & BINARY_RCI_ATTRIBUTE_INDEX_MASK;
+                rci_debug_printf("decode_attribute: index = %d\n", *index);
+                got_attribute = connector_true;
+                break;
+            case BINARY_RCI_ATTRIBUTE_TYPE_NAME:
+            case BINARY_RCI_ATTRIBUTE_TYPE_NORMAL:
+                /* Tool doesn't support name and enum attribute */
+                connector_debug_printf("decode_attribute: unsupported attribute type\n");
+                rci->status = rci_status_internal_error;
+                ASSERT(connector_false);
+                break;
+        }
+    }
+
+    return got_attribute;
+}
+
+static connector_bool_t has_rci_atribute(unsigned int data)
+{
+    return connector_bool((data & BINARY_RCI_ATTRIBUTE_BIT) == BINARY_RCI_ATTRIBUTE_BIT);
+}
+
+static connector_bool_t has_rci_error(rci_t * const rci, unsigned int data)
+{
+
+    connector_bool_t const hasError = connector_bool((data & BINARY_RCI_ERROR_INDICATOR_BIT) == BINARY_RCI_ERROR_INDICATOR_BIT);
+
+    UNUSED_PARAMETER(rci);
+
+    if (hasError)
+    {
+        connector_debug_printf("has_rci_error: unexpected error set.\n");
+    }
+    return hasError;
+}
+
+static connector_bool_t has_rci_terminated(unsigned int data)
+{
+    return connector_bool(data == BINARY_RCI_TERMINATOR);
+}
+
+static connector_bool_t has_rci_no_value(unsigned int data)
+{
+    return connector_bool(data == BINARY_RCI_NO_VALUE);
+}
+
+static void process_rci_command(rci_t * const rci)
+{
+#define BINARY_RCI_COMMAND_MASK   0x3F
+
+    uint32_t command;
+
+    {
+        connector_remote_config_t const * const remote_config = &rci->shared.callback_data;
+
+        if (remote_config->error_id != connector_success)
+        {
+            set_rci_output_state(rci, rci_output_state_field_id);
+            state_call(rci, rci_parser_state_output);
+            goto done;
+        }
+    }
+
+    if (get_uint32(rci, &command))
+    {
+
+        connector_bool_t const has_attribute = has_rci_atribute(command);
+
+        ASSERT_GOTO(!has_rci_error(rci, command), done);
+
+        command &= BINARY_RCI_COMMAND_MASK;
+
+        switch (command)
+        {
+            case rci_command_set_setting:
+            case rci_command_query_setting:
+                rci->shared.callback_data.group.type = connector_remote_group_setting;
+                break;
+            case rci_command_set_state:
+            case rci_command_query_state:
+                rci->shared.callback_data.group.type = connector_remote_group_state;
+                break;
+        }
+
+        switch (command)
+        {
+            case rci_command_set_setting:
+            case rci_command_set_state:
+                rci->shared.callback_data.action = connector_remote_action_set;
+                break;
+            case rci_command_query_setting:
+            case rci_command_query_state:
+                rci->shared.callback_data.action = connector_remote_action_query;
+                break;
+            default:
+                /* unsupported command.
+                 * Just go to error state for returning error message.
+                 */
+                rci_global_error(rci, connector_rci_error_bad_command, RCI_NO_HINT);
+                set_rci_command_error(rci);
+                state_call(rci, rci_parser_state_error);
+                goto done;
+        }
+
+        if (has_attribute)
+        {
+            set_rci_input_state(rci, rci_input_state_command_attribute);
+        }
+        else
+        {
+            set_rci_input_state(rci, rci_input_state_group_id);
+
+            set_rci_traverse_state(rci, rci_traverse_state_command_id);
+            state_call(rci, rci_parser_state_traverse);
+        }
+
+    }
+done:
+    return;
+}
+
+static void process_command_attribute(rci_t * const rci)
+{
+    unsigned int index;
+
+    if (decode_attribute(rci, &index))
+    {
+        /* We don't support command attribute; so just ignore it. */
+        set_rci_input_state(rci, rci_input_state_group_id);
+
+        set_rci_traverse_state(rci, rci_traverse_state_command_id);
+        state_call(rci, rci_parser_state_traverse);
+    }
+
+    return;
+}
+
+
+static void process_group_id(rci_t * const rci)
+{
+    uint32_t group_id;
+
+    if (!get_uint32(rci, &group_id))
+    {
+        goto done;
+    }
+
+    ASSERT_GOTO(!has_rci_error(rci, group_id), done);
+
+    if (has_rci_terminated(group_id))
+    {
+        if (have_group_id(rci))
+        {
+            /* not 1st group */
+            set_rci_input_state(rci, rci_input_state_command_id);
+
+            set_rci_traverse_state(rci, rci_traverse_state_group_end);
+            state_call(rci, rci_parser_state_traverse);
+            goto done;
+        }
+        else
+        {
+            /* Get all groups if no group has been requested before */
+            switch (rci->shared.callback_data.action)
+            {
+                case connector_remote_action_query:
+                    set_rci_traverse_state(rci, rci_traverse_state_all_groups);
+                    state_call(rci, rci_parser_state_traverse);
+                    break;
+                case connector_remote_action_set:
+                    connector_debug_printf("process_group_id: got set command with no group id specified\n");
+                    rci_set_output_error(rci, connector_rci_error_bad_command, rci_set_empty_group_hint, rci_output_state_group_id);
+                    break;
+            }
+            goto done;
+        }
+    }
+    else
+    {
+        set_group_id(rci, decode_group_id(group_id));
+
+        if (!have_group_id(rci))
+        {
+            connector_debug_printf("process_group_id: unrecognized group (mismatch of descriptors) group id = %d.\n", decode_group_id(group_id));
+            rci_set_output_error(rci, connector_rci_error_bad_descriptor, rci_error_descriptor_mismatch_hint, rci_output_state_group_id);
+            ASSERT(connector_false);
+            goto done;
+        }
+
+        if (has_rci_atribute(group_id))
+        {
+            invalidate_group_index(rci);
+            set_rci_input_state(rci, rci_input_state_group_attribute);
+            goto done;
+        }
+
+        {
+            connector_group_t const * const group =  get_current_group(rci);
+            if (group->instances > 1)
+            {
+                set_rci_input_flag(rci, RCI_FLAG_GET_ALL_INSTANCES);
+            }
+        }
+
+        set_rci_input_state(rci, rci_input_state_field_id);
+    }
+
+    set_group_index(rci, 1);
+    set_rci_traverse_state(rci, rci_traverse_state_group_id);
+    state_call(rci, rci_parser_state_traverse);
+    rci_debug_printf("process_group_id: group id = %d\n", get_group_id(rci));
+
+done:
+    return;
+}
+
+static void process_group_attribute(rci_t * const rci)
+{
+    if (decode_attribute(rci, &rci->shared.group.index))
+    {
+        set_rci_input_state(rci, rci_input_state_field_id);
+        set_rci_traverse_state(rci, rci_traverse_state_group_id);
+        state_call(rci, rci_parser_state_traverse);
+    }
+
+    return;
+}
+
+static void process_field_id(rci_t * const rci)
+{
+    unsigned int id = INVALID_ID;
+    {
+        uint32_t value;
+
+        if (!get_uint32(rci, &value))
+        {
+            goto done;
+        }
+
+        /* Bit 6  - is Field type present indicator
+         * Bit 10 - is attributes present indicator
+         * Bit 12 - is Error indicator (Should not be set)
+         */
+        ASSERT_GOTO(!has_rci_error(rci, value), done);
+
+        if (has_rci_terminated(value))
+        {
+            if (!have_element_id(rci))
+            {
+                switch (rci->shared.callback_data.action)
+                {
+                    case connector_remote_action_query:
+                        /* all fields */
+                        if (is_rci_input_flag(rci,RCI_FLAG_GET_ALL_INSTANCES))
+                            set_rci_traverse_state(rci, rci_traverse_state_all_group_instances);
+                        else
+                            set_rci_traverse_state(rci, rci_traverse_state_all_elements);
+
+                        set_rci_input_state(rci, rci_input_state_group_id);
+
+                        state_call(rci, rci_parser_state_traverse);
+                        break;
+                    case connector_remote_action_set:
+                        connector_debug_printf("process_field_id: got set command with no field id specified\n");
+                        rci_set_output_error(rci, connector_rci_error_bad_command, rci_set_empty_element_hint, rci_output_state_field_id);
+                        break;
+                }
+            }
+            else
+            {
+                /* done with all fields */
+                invalidate_element_id(rci);
+                set_rci_input_state(rci, rci_input_state_group_id);
+
+                set_rci_traverse_state(rci, rci_traverse_state_element_end);
+                state_call(rci, rci_parser_state_traverse);
+            }
+            goto done;
+        }
+
+        if ((value & BINARY_RCI_FIELD_TYPE_INDICATOR_BIT) == BINARY_RCI_FIELD_TYPE_INDICATOR_BIT)
+        {
+            set_rci_input_state(rci, rci_input_state_field_type);
+        }
+        else
+        {
+            set_rci_input_state(rci, rci_input_state_field_no_value);
+        }
+
+
+        if ((value & BINARY_RCI_FIELD_ATTRIBUTE_BIT) == BINARY_RCI_FIELD_ATTRIBUTE_BIT)
+        {
+            connector_debug_printf("process_field_id: field attribute is not supported\n");
+            rci_set_output_error(rci, connector_rci_error_bad_descriptor, RCI_NO_HINT, rci_output_state_field_id);
+            goto done;
+        }
+
+        id = decode_element_id(value);
+
+    }
+
+
+    set_element_id(rci, id);
+
+    if (!have_element_id(rci))
+    {
+        connector_debug_printf("process_field_id: unrecognized field id (mismatch of descriptors). element id = %d\n", id);
+        rci_set_output_error(rci, connector_rci_error_bad_descriptor, rci_error_descriptor_mismatch_hint, rci_output_state_field_id);
+    }
+
+done:
+    return;
+}
+
+static void process_field_type(rci_t * const rci)
+{
+    connector_group_element_t const * const element = get_current_element(rci);
+    connector_bool_t error = connector_false;
+    uint32_t type;
+
+    if (get_uint32(rci, &type))
+    {
+        ASSERT_GOTO(!has_rci_error(rci, type), done);
+
+        switch (type)
+        {
+            case rci_field_type_none:
+                break;
+
+            default:
+                if (element->type != type)
+                {
+                    connector_debug_printf("process_field_type: mismatch field type (type %d) != (actual %d)\n", type, element->type);
+                    rci_set_output_error(rci, connector_rci_error_bad_descriptor, rci_error_descriptor_mismatch_hint, rci_output_state_field_id);
+                    error = connector_true;
+                }
+                break;
+        }
+    }
+
+    if (!error)
+    {
+        set_rci_input_state(rci, rci_input_state_field_no_value);
+    }
+
+done:
+    return;
+}
+
+static void process_field_value(rci_t * const rci)
+{
+    connector_group_element_t const * const element = get_current_element(rci);
+    connector_element_value_type_t const type = element->type;
+
+#if (defined RCI_PARSER_USES_ON_OFF) || (defined RCI_PARSER_USES_BOOLEAN)
+    connector_bool_t error = connector_false;
+#endif
+
+    switch (type)
+    {
+#if defined RCI_PARSER_USES_STRINGS
+
+#if defined RCI_PARSER_USES_STRING
+    case connector_element_type_string:
+#endif
+
+#if defined RCI_PARSER_USES_MULTILINE_STRING
+    case connector_element_type_multiline_string:
+#endif
+
+#if defined RCI_PARSER_USES_PASSWORD
+    case connector_element_type_password:
+#endif
+
+
+#if defined RCI_PARSER_USES_FQDNV4
+    case connector_element_type_fqdnv4:
+#endif
+
+#if defined RCI_PARSER_USES_FQDNV6
+    case connector_element_type_fqdnv6:
+#endif
+
+#if defined RCI_PARSER_USES_DATETIME
+    case connector_element_type_datetime:
+#endif
+        if (!get_string(rci, &rci->shared.value.string_value, &rci->shared.string_value_length))
+        {
+            goto done;
+        }
+        break;
+#endif
+
+
+#if defined RCI_PARSER_USES_INT32
+    case connector_element_type_int32:
+    {
+        int32_t value;
+
+        if (!get_uint32(rci, (uint32_t *)&value))
+        {
+            goto done;
+        }
+        rci->shared.value.signed_integer_value = value;
+        break;
+    }
+#endif
+
+#if defined RCI_PARSER_USES_IPV4
+    case connector_element_type_ipv4:
+    {
+        uint32_t ip_addr;
+
+        if (!get_ip_address(rci, &ip_addr, sizeof ip_addr))
+        {
+            goto done;
+        }
+
+        {
+            #define MAX_IPV4_VALUE "255.255.255.255"
+
+            char * const data = (char *)rci->input.storage;
+            size_t const size_avail = sizeof MAX_IPV4_VALUE;
+            int size_written;
+
+            uint8_t ip1 = BYTE32_3(ip_addr);
+            uint8_t ip2 = BYTE32_2(ip_addr);
+            uint8_t ip3 = BYTE32_1(ip_addr);
+            uint8_t ip4 = BYTE32_0(ip_addr);
+
+            ASSERT(size_avail <= sizeof rci->input.storage);
+
+            size_written = connector_snprintf(data, size_avail, "%d.%d.%d.%d", ip1, ip2, ip3, ip4);
+
+            ASSERT(size_written < (int)size_avail);
+            ASSERT_GOTO(size_written > 0, done);
+
+            rci->shared.value.string_value = data;
+
+            #undef MAX_IPV4_VALUE
+        }
+        break;
+    }
+#endif
+
+#if (defined RCI_PARSER_USES_UNSIGNED_INTEGER)
+
+
+#if defined RCI_PARSER_USES_UINT32
+    case connector_element_type_uint32:
+#endif
+
+#if defined RCI_PARSER_USES_HEX32
+    case connector_element_type_hex32:
+#endif
+
+#if defined RCI_PARSER_USES_0X_HEX32
+    case connector_element_type_0x_hex32:
+#endif
+    {
+        uint32_t value;
+
+        if (!get_uint32(rci, &value))
+        {
+            goto done;
+        }
+        rci->shared.value.unsigned_integer_value = value;
+        break;
+    }
+#endif
+
+#if defined RCI_PARSER_USES_FLOAT
+    case connector_element_type_float:
+    {
+        if (!get_float(rci, &rci->shared.value.float_value))
+        {
+            goto done;
+        }
+        break;
+    }
+#endif
+
+#if defined RCI_PARSER_USES_ENUM
+    case connector_element_type_enum:
+    {
+        uint32_t value;
+        if (!get_uint32(rci, &value))
+        {
+            goto done;
+        }
+        rci->shared.value.enum_value = value;
+        break;
+    }
+#endif
+
+#if defined RCI_PARSER_USES_ON_OFF
+    case connector_element_type_on_off:
+    {
+        uint32_t value;
+
+        if (!get_uint32(rci, &value))
+        {
+            goto done;
+        }
+        rci->shared.value.on_off_value = (value == 0)? connector_off : connector_on;
+        error = connector_bool((value != 0) && (value != 1));
+        break;
+    }
+#endif
+
+#if defined RCI_PARSER_USES_BOOLEAN
+    case connector_element_type_boolean:
+    {
+        uint32_t value;
+        if (!get_uint32(rci, &value))
+        {
+            goto done;
+        }
+        rci->shared.value.boolean_value = (value == 0)? connector_false : connector_true;
+        error = connector_bool((value != 0) && (value != 1));
+        break;
+    }
+#endif
+    }
+
+#if (defined RCI_PARSER_USES_ON_OFF) || (defined RCI_PARSER_USES_BOOLEAN)
+    if (error)
+    {
+        connector_debug_printf("process_field_value: range check error! Descriptor problem!");
+        rci_set_output_error(rci, connector_rci_error_bad_descriptor, rci_error_descriptor_mismatch_hint, rci_output_state_field_id);
+    }
+    else
+#endif
+    {
+        set_rci_traverse_state(rci, rci_traverse_state_element_id);
+        state_call(rci, rci_parser_state_traverse);
+    }
+    set_rci_input_state(rci, rci_input_state_field_id);
+
+done:
+    return;
+}
+
+static void process_field_no_value(rci_t * const rci)
+{
+    uint8_t * const rci_ber = rci->shared.content.data;
+    uint8_t const modifier_ber = message_load_u8(rci_ber, value);
+
+    if (has_rci_no_value(modifier_ber))
+    {
+        /* this initializes element.value in case for set setting */
+        connector_group_element_t const * const element = get_current_element(rci);
+        connector_element_value_type_t const type = element->type;
+
+        switch (type)
+        {
+#if defined RCI_PARSER_USES_STRINGS
+
+    #if defined RCI_PARSER_USES_STRING
+        case connector_element_type_string:
+    #endif
+
+    #if defined RCI_PARSER_USES_MULTILINE_STRING
+        case connector_element_type_multiline_string:
+    #endif
+
+    #if defined RCI_PARSER_USES_PASSWORD
+        case connector_element_type_password:
+    #endif
+
+
+    #if defined RCI_PARSER_USES_FQDNV4
+        case connector_element_type_fqdnv4:
+    #endif
+
+    #if defined RCI_PARSER_USES_FQDNV6
+        case connector_element_type_fqdnv6:
+    #endif
+
+    #if defined RCI_PARSER_USES_DATETIME
+        case connector_element_type_datetime:
+    #endif
+
+    #if defined RCI_PARSER_USES_IPV4
+        case connector_element_type_ipv4:
+    #endif
+            rci->shared.value.string_value = (char *)rci->input.storage;
+            rci->input.storage[0] = (uint8_t)nul;
+            break;
+#endif
+
+#if defined RCI_PARSER_USES_INT32
+        case connector_element_type_int32:
+            rci->shared.value.signed_integer_value = 0;
+            break;
+#endif
+
+#if (defined RCI_PARSER_USES_UNSIGNED_INTEGER)
+
+
+#if defined RCI_PARSER_USES_UINT32
+        case connector_element_type_uint32:
+#endif
+
+#if defined RCI_PARSER_USES_HEX32
+        case connector_element_type_hex32:
+#endif
+
+#if defined RCI_PARSER_USES_0X_HEX32
+        case connector_element_type_0x_hex32:
+#endif
+            rci->shared.value.unsigned_integer_value = 0;
+            break;
+#endif
+
+#if defined RCI_PARSER_USES_FLOAT
+        case connector_element_type_float:
+            rci->shared.value.float_value = 0;
+            break;
+#endif
+
+#if defined RCI_PARSER_USES_ENUM
+        case connector_element_type_enum:
+            rci->shared.value.enum_value = 0;
+            break;
+#endif
+
+#if defined RCI_PARSER_USES_ON_OFF
+        case connector_element_type_on_off:
+            rci->shared.value.on_off_value = connector_off;
+            break;
+#endif
+
+#if defined RCI_PARSER_USES_BOOLEAN
+        case connector_element_type_boolean:
+            rci->shared.value.boolean_value = connector_false;
+            break;
+#endif
+        }
+
+        reset_input_content(rci);
+        set_rci_traverse_state(rci, rci_traverse_state_element_id);
+        state_call(rci, rci_parser_state_traverse);
+        set_rci_input_state(rci, rci_input_state_field_id);
+    }
+    else
+    {
+        set_rci_input_state(rci, rci_input_state_field_value);
+        process_field_value(rci);
+    }
+
+}
+
+static void rci_parse_input(rci_t * const rci)
+{
+    rci_buffer_t * const input = &rci->buffer.input;
+
+    while ((rci->parser.state == rci_parser_state_input) && (rci_buffer_remaining(input) != 0))
+    {
+
+        if (rci->input.destination != rci_buffer_position(&rci->buffer.input))
+        {
+            *(rci->input.destination) = rci_buffer_read(input);
+        }
+        rci->input.destination++;
+
+        rci_debug_printf("input: %s\n", rci_input_state_t_as_string(rci->input.state));
+
+        switch (rci->input.state)
+        {
+            case rci_input_state_command_id:
+                process_rci_command(rci);
+                break;
+            case rci_input_state_command_attribute:
+                process_command_attribute(rci);
+                break;
+            case rci_input_state_group_id:
+                process_group_id(rci);
+                break;
+            case rci_input_state_group_attribute:
+                process_group_attribute(rci);
+                break;
+            case rci_input_state_field_id:
+                process_field_id(rci);
+                break;
+            case rci_input_state_field_type:
+                process_field_type(rci);
+                break;
+            case rci_input_state_field_no_value:
+                process_field_no_value(rci);
+                break;
+            case rci_input_state_field_value:
+                process_field_value(rci);
+                break;
+            case rci_input_state_done:
+                break;
+        }
+
+        {
+            size_t const storage_bytes = sizeof rci->input.storage;
+            uint8_t const * const storage_end = rci->input.storage + storage_bytes;
+
+            if (rci->input.destination == storage_end)
+            {
+                connector_debug_printf("Maximum content size exceeded while parsing - wanted %u, had %u\n", storage_bytes + 1, storage_bytes);
+                rci_set_output_error(rci, connector_rci_error_bad_descriptor, rci_error_content_size_hint, rci_output_state_field_id);
+                goto done;
+            }
+        }
+
+        rci_buffer_advance(input, 1);
+    }
+
+    if (rci_buffer_remaining(input) == 0)
+    {
+        if (MsgIsLastData(rci->service_data->input.flags))
+        {
+            set_rci_input_state(rci, rci_input_state_done);
+            state_call(rci, rci_parser_state_traverse);
+        }
+        else
+        {
+            uint8_t const * const old_base = rcistr_data(&rci->shared.content);
+            uint8_t * const new_base = destination_in_storage(rci) ? rci->input.destination : rci->input.storage;
+
+            if (ptr_in_buffer(old_base, &rci->buffer.input))
+            {
+                size_t const storage_bytes = sizeof rci->input.storage;
+                uint8_t const * const storage_end = rci->input.storage + storage_bytes;
+                size_t const bytes_wanted = (size_t)(rci->buffer.input.end - old_base);
+                size_t const bytes_have = (size_t)(storage_end - new_base);
+
+                if (bytes_wanted >= bytes_have)
+                {
+                    connector_debug_printf("Maximum content size exceeded while storing - wanted %u, had %u\n", bytes_wanted, bytes_have);
+                    rci_set_output_error(rci, connector_rci_error_bad_descriptor, rci_error_content_size_hint, rci_output_state_field_id);
+                    goto done;
+                }
+
+                memcpy(new_base, old_base, bytes_wanted);
+
+                adjust_rcistr(new_base, old_base, &rci->shared.content);
+                rci->input.destination = new_base + bytes_wanted;
+            }
+
+            rci->status = rci_status_more_input;
+        }
+    }
+
+done:
+    return;
+}
+
+