Ejemplo n.º 1
0
kaa_error_t kaa_extension_logging_server_sync(void *context, uint32_t request_id,
        uint16_t extension_options, const uint8_t *buffer, size_t size)
{
    (void)request_id;

    // TODO(KAA-982): Use asserts
    if (!context || !buffer) {
        return KAA_ERR_BADPARAM;
    }

    kaa_platform_message_reader_t reader = KAA_MESSAGE_READER(buffer, size);
    return kaa_logging_handle_server_sync(context, &reader, extension_options, size);
}
Ejemplo n.º 2
0
KAA_TEST_CASE_EX(log_callback_with_storage, on_fail_and_success_called)
{
    (void)state;

    kaa_error_t rc;
    int dummy_ctx;

    kaa_log_delivery_listener_t listeners = {
        mock_log_event_success_fn,
        mock_log_event_failed_fn,
        NULL,
        &dummy_ctx,
    };

    /* Notify mocks about test intentions */
    check_bucket = 1;
    expected_bucked_id = 42;
    failed_call_is_expected = 1;
    success_call_is_expected = 1;
    expected_ctx = &dummy_ctx;

    rc = kaa_logging_set_listeners(log_collector, &listeners);
    ASSERT_EQUAL(KAA_ERR_NONE, rc);

    /* Response packet is passed internally via test reader */
    struct response_packet *response = (struct response_packet *) test_reader_buffer;
    *(uint16_t *) response->resps[RESP_SUCCESS_IDX].bucket_id
        = KAA_HTONS(expected_bucked_id);
    *(uint16_t *) response->resps[RESP_FAILURE_IDX].bucket_id
        = KAA_HTONS(expected_bucked_id);

    /* Test itself */
    rc = kaa_logging_handle_server_sync(log_collector, test_reader, TEST_EXT_OP, test_filled_size);

    ASSERT_EQUAL(rc, KAA_ERR_NONE);

    /* Post-conditions check */

    ASSERT_TRUE(success_call_completed);
    ASSERT_TRUE(failed_call_completed);
    ASSERT_FALSE(timeout_call_completed);
}
Ejemplo n.º 3
0
void test_create_request(void **state)
{
    (void)state;

    kaa_user_log_record_t *test_log_record = kaa_test_log_record_create();
    test_log_record->data = kaa_string_copy_create(TEST_LOG_BUFFER);
    size_t test_log_record_size = test_log_record->get_size(test_log_record);

    kaa_log_collector_t *log_collector = NULL;
    kaa_error_t error_code = kaa_log_collector_create(&log_collector, status,
            channel_manager, logger);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    mock_strategy_context_t strategy;
    memset(&strategy, 0, sizeof(mock_strategy_context_t));
    strategy.decision = NOOP;
    strategy.max_parallel_uploads = UINT32_MAX;

    kaa_log_bucket_constraints_t constraints = {
        .max_bucket_size = 2 * test_log_record_size,
        .max_bucket_log_count = UINT32_MAX,
    };

    error_code = kaa_logging_init(log_collector, create_mock_storage(), &strategy, &constraints);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    size_t expected_size = 0;
    error_code = kaa_logging_request_get_size(log_collector, &expected_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    uint8_t buffer[expected_size];
    kaa_platform_message_writer_t *writer = NULL;
    error_code = kaa_platform_message_writer_create(&writer, buffer, expected_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);
    ASSERT_NOT_NULL(writer);

    error_code = kaa_logging_request_serialize(log_collector, writer);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);
    kaa_platform_message_writer_destroy(writer);

    uint8_t *buf_cursor = buffer;
    ASSERT_EQUAL(KAA_EXTENSION_LOGGING, KAA_HTONS(*(uint16_t *)buf_cursor));
    buf_cursor += sizeof(uint16_t);

    uint8_t options[] = { 0x00, 0x01 };
    ASSERT_EQUAL(memcmp(buf_cursor, options, 2), 0);
    buf_cursor += 2;

    ASSERT_EQUAL(*(uint32_t *) buf_cursor, KAA_HTONL(20));
    buf_cursor += sizeof(uint32_t);

    uint8_t request_id_records_count[]  = { 0x00, 0x01, 0x00, 0x01 };
    ASSERT_EQUAL(memcmp(buf_cursor, request_id_records_count, 4), 0);
    buf_cursor += 4;

    uint8_t record_buf[test_log_record_size];
    avro_writer_t avro_writer = avro_writer_memory((char *)record_buf, test_log_record_size);
    test_log_record->serialize(avro_writer, test_log_record);
    avro_writer_free(avro_writer);

    ASSERT_EQUAL(*(uint32_t *) buf_cursor, KAA_HTONL(test_log_record_size));
    buf_cursor += sizeof(uint32_t);

    ASSERT_EQUAL(memcmp(buf_cursor, record_buf, test_log_record_size), 0);

    kaa_log_collector_destroy(log_collector);
    test_log_record->destroy(test_log_record);
}



void test_response(void **state)
{
    (void)state;

    srand(time(NULL));

    kaa_log_collector_t *log_collector = NULL;
    kaa_error_t error_code = kaa_log_collector_create(&log_collector, status, channel_manager, logger);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    mock_strategy_context_t strategy;
    memset(&strategy, 0, sizeof(mock_strategy_context_t));

    mock_storage_context_t *storage = create_mock_storage();

    kaa_log_bucket_constraints_t constraints = {
        .max_bucket_size = 1024,
        .max_bucket_log_count = UINT32_MAX,
    };

    error_code = kaa_logging_init(log_collector, storage, &strategy, &constraints);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    uint32_t response_count = 2;
    size_t response_buffer_size = sizeof(uint32_t) + sizeof(uint32_t) * response_count;
    uint8_t response_buffer[response_buffer_size];

    uint8_t *response = response_buffer;
    *((uint32_t *)response) = KAA_HTONL(response_count);
    response += sizeof(uint32_t);

    /* First response */
    *((uint16_t *)response) = KAA_HTONS(rand());
    response += sizeof(uint16_t);
    *((uint8_t *)response) = 0x0; // SUCCESS
    response += sizeof(uint8_t);
    *((uint8_t *)response) = 0;
    response += sizeof(uint8_t);

    /* Second response */
    *((uint16_t *)response) = KAA_HTONS(rand());
    response += sizeof(uint16_t);
    *((uint8_t *)response) = 0x1; // FAILURE
    response += sizeof(uint8_t);
    *((uint8_t *)response) = rand() % 4;
    response += sizeof(uint8_t);

    kaa_platform_message_reader_t *reader = NULL;
    error_code = kaa_platform_message_reader_create(&reader, response_buffer, response_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);
    ASSERT_NOT_NULL(reader);

    error_code = kaa_logging_handle_server_sync(log_collector, reader, 0, response_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    ASSERT_TRUE(strategy.on_failure_count);
    ASSERT_TRUE(storage->on_remove_by_id_count);
    ASSERT_TRUE(storage->on_unmark_by_id_count);

    kaa_platform_message_reader_destroy(reader);
    kaa_log_collector_destroy(log_collector);
}



void test_timeout(void **state)
{
    (void)state;

    kaa_log_collector_t *log_collector = NULL;
    kaa_error_t error_code = kaa_log_collector_create(&log_collector,
            status, channel_manager, logger);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    kaa_user_log_record_t *test_log_record = kaa_test_log_record_create();
    test_log_record->data = kaa_string_copy_create(TEST_LOG_BUFFER);
    size_t test_log_record_size = test_log_record->get_size(test_log_record);

    mock_strategy_context_t strategy;
    memset(&strategy, 0, sizeof(mock_strategy_context_t));
    strategy.timeout = TEST_TIMEOUT;
    strategy.decision = NOOP;
    strategy.max_parallel_uploads = UINT32_MAX;

    kaa_log_bucket_constraints_t constraints = {
        .max_bucket_size = 2 * test_log_record_size,
        .max_bucket_log_count = UINT32_MAX,
    };

    error_code = kaa_logging_init(log_collector, create_mock_storage(), &strategy, &constraints);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    size_t request_buffer_size = 256;
    uint8_t request_buffer[request_buffer_size];
    kaa_platform_message_writer_t *writer = NULL;
    error_code = kaa_platform_message_writer_create(&writer, request_buffer, request_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_request_serialize(log_collector, writer);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    sleep(TEST_TIMEOUT + 1);

    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    ASSERT_TRUE(strategy.on_timeout_count);

    test_log_record->destroy(test_log_record);
    kaa_platform_message_writer_destroy(writer);
    kaa_log_collector_destroy(log_collector);
}

void test_decline_timeout(void **state)
{
    (void)state;

    kaa_log_collector_t *log_collector = NULL;
    kaa_error_t error_code = kaa_log_collector_create(&log_collector, status, channel_manager, logger);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    kaa_user_log_record_t *test_log_record = kaa_test_log_record_create();
    test_log_record->data = kaa_string_copy_create(TEST_LOG_BUFFER);
    size_t test_log_record_size = test_log_record->get_size(test_log_record);

    mock_strategy_context_t strategy;
    memset(&strategy, 0, sizeof(mock_strategy_context_t));
    strategy.timeout = TEST_TIMEOUT;
    strategy.decision = NOOP;
    strategy.max_parallel_uploads = UINT32_MAX;

    mock_storage_context_t *storage = create_mock_storage();
    ASSERT_NOT_NULL(storage);

    kaa_log_bucket_constraints_t constraints = {
        .max_bucket_size = 2 * test_log_record_size,
        .max_bucket_log_count = UINT32_MAX,
    };

    error_code = kaa_logging_init(log_collector, storage, &strategy, &constraints);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    size_t request_buffer_size = 256;
    uint8_t request_buffer[request_buffer_size];
    kaa_platform_message_writer_t *writer = NULL;
    error_code = kaa_platform_message_writer_create(&writer, request_buffer, request_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_request_serialize(log_collector, writer);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    sleep(TEST_TIMEOUT + 1);

    uint16_t bucket_id = *((uint16_t *)(request_buffer + KAA_EXTENSION_HEADER_SIZE));
    bucket_id = KAA_NTOHS(bucket_id);

    uint32_t response_count = 1;
    size_t response_buffer_size = sizeof(uint32_t) + sizeof(uint32_t) * response_count;
    uint8_t response_buffer[response_buffer_size];

    uint8_t *response = response_buffer;
    *((uint32_t *)response) = KAA_HTONL(response_count);
    response += sizeof(uint32_t);

    /* First response */
    *((uint16_t *)response) = KAA_HTONS(bucket_id);
    response += sizeof(uint16_t);
    *((uint8_t *)response) = 0x0; // SUCCESS
    response += sizeof(uint8_t);
    *((uint8_t *)response) = 0;
    response += sizeof(uint8_t);

    kaa_platform_message_reader_t *reader = NULL;
    error_code = kaa_platform_message_reader_create(&reader, response_buffer, response_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);
    ASSERT_NOT_NULL(reader);

    error_code = kaa_logging_handle_server_sync(log_collector, reader, 0, response_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);
    ASSERT_TRUE(storage->on_remove_by_id_count);

    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    ASSERT_FALSE(strategy.on_timeout_count);

    test_log_record->destroy(test_log_record);
    kaa_platform_message_writer_destroy(writer);
    kaa_platform_message_reader_destroy(reader);
    kaa_log_collector_destroy(log_collector);
}

void test_max_parallel_uploads_with_log_sync(void **state)
{
    (void)state;

    uint32_t channel_id = 0;
    kaa_transport_channel_interface_t transport_context;
    test_kaa_channel_create(&transport_context);

    kaa_channel_manager_add_transport_channel(channel_manager, &transport_context, &channel_id);

    kaa_log_collector_t *log_collector = NULL;
    kaa_error_t error_code = kaa_log_collector_create(&log_collector, status, channel_manager, logger);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    kaa_user_log_record_t *test_log_record = kaa_test_log_record_create();
    test_log_record->data = kaa_string_copy_create(TEST_LOG_BUFFER);
    size_t test_log_size = test_log_record->get_size(test_log_record);

    mock_strategy_context_t strategy;
    memset(&strategy, 0, sizeof(mock_strategy_context_t));
    strategy.timeout = INT16_MAX;
    strategy.decision = UPLOAD;

    mock_storage_context_t *storage = create_mock_storage();
    ASSERT_NOT_NULL(storage);

    kaa_log_bucket_constraints_t constraints = {
        .max_bucket_size = 2 * test_log_size,
        .max_bucket_log_count = UINT32_MAX,
    };

    error_code = kaa_logging_init(log_collector, storage, &strategy, &constraints);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    /*
     * Ensure the log delivery is forbidden at all.
     */
    strategy.max_parallel_uploads = 0;
    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    ASSERT_EQUAL(((mock_transport_channel_context_t *)transport_context.context)->on_sync_count, 0);

    /*
     * Ensure the first request is allowed.
     */
    strategy.max_parallel_uploads = 1;
    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);
    ASSERT_EQUAL(((mock_transport_channel_context_t *)transport_context.context)->on_sync_count, 1);

    /*
     * Do the first request to remember the delivery timeout of the log batch.
     */
    size_t request_buffer_size = 256;
    uint8_t request_buffer[request_buffer_size];
    kaa_platform_message_writer_t *writer = NULL;
    error_code = kaa_platform_message_writer_create(&writer, request_buffer, request_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_request_serialize(log_collector, writer);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    /*
     * Ensure the second request is forbidden.
     */
    ASSERT_EQUAL(((mock_transport_channel_context_t *)transport_context.context)->on_sync_count, 1);

    /*
     * Clean up.
     */
    error_code = kaa_channel_manager_remove_transport_channel(channel_manager, channel_id);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    test_log_record->destroy(test_log_record);
    kaa_log_collector_destroy(log_collector);
}

void test_max_parallel_uploads_with_sync_all(void **state)
{
    (void)state;

    uint32_t channel_id = 0;
    kaa_transport_channel_interface_t transport_context;
    test_kaa_channel_create(&transport_context);

    kaa_channel_manager_add_transport_channel(channel_manager, &transport_context, &channel_id);

    kaa_log_collector_t *log_collector = NULL;
    kaa_error_t error_code = kaa_log_collector_create(&log_collector,
            status, channel_manager, logger);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    kaa_user_log_record_t *test_log_record = kaa_test_log_record_create();
    test_log_record->data = kaa_string_copy_create(TEST_LOG_BUFFER);
    size_t test_log_size = test_log_record->get_size(test_log_record);

    mock_strategy_context_t strategy;
    memset(&strategy, 0, sizeof(mock_strategy_context_t));
    strategy.timeout = INT16_MAX;
    strategy.decision = UPLOAD;

    mock_storage_context_t *storage = create_mock_storage();
    ASSERT_NOT_NULL(storage);

    kaa_log_bucket_constraints_t constraints = {
        .max_bucket_size = 2 * test_log_size,
        .max_bucket_log_count = UINT32_MAX,
    };

    error_code = kaa_logging_init(log_collector, storage, &strategy, &constraints);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    /*
     * Ensure the log delivery is forbidden at all.
     */
    strategy.max_parallel_uploads = 0;
    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    size_t expected_size = 0;
    error_code = kaa_logging_request_get_size(log_collector, &expected_size);
    assert_int_equal(KAA_ERR_NONE, error_code);
    ASSERT_FALSE(expected_size);

    /*
     * Ensure the first request is allowed.
     */
    strategy.max_parallel_uploads = 1;
    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    /*
     * Do the first request to remember the delivery timeout of the log batch.
     */
    error_code = kaa_logging_request_get_size(log_collector, &expected_size);
    assert_int_equal(KAA_ERR_NONE, error_code);
    ASSERT_TRUE(expected_size);
    size_t request_buffer_size = 256;
    uint8_t request_buffer[request_buffer_size];
    kaa_platform_message_writer_t *writer = NULL;
    error_code = kaa_platform_message_writer_create(&writer, request_buffer, request_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_request_serialize(log_collector, writer);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    /*
     * Ensure the second request is forbidden.
     */
    error_code = kaa_logging_request_get_size(log_collector, &expected_size);
    assert_int_equal(KAA_ERR_NONE, error_code);
    ASSERT_FALSE(expected_size);

    /*
     * Clean up.
     */
    error_code = kaa_channel_manager_remove_transport_channel(channel_manager, channel_id);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    test_log_record->destroy(test_log_record);
    kaa_log_collector_destroy(log_collector);
}

/* ---------------------------------------------------------------------------*/
/* Log delivery tests                                                         */
/* ---------------------------------------------------------------------------*/

/* Server chunk, managed by a corresponding reader object.
 * Perfectly packed. Packed attribute is intentionally avoided. */
struct response_chunk {
    uint8_t bucket_id[2];  /* 16 bits for bucket ID */
    uint8_t resp_code;     /* 8 bits for response code. 0 == SUCCESS, 1 == FAILURE */
    // cppcheck-suppress unusedStructMember
    uint8_t reserved;      /* Should be 0 */
};

struct response_packet {
    uint8_t resp_cnt[4];           /* 32 bits for amount of responces in buffer */
    struct response_chunk resps[]; /* Responses itself */
};

#define RESP_PACKETS               2 /* Amount of response packets */
#define RESP_SUCCESS_IDX           0 /* Index of successfull response */
#define RESP_FAILURE_IDX           1 /* Index of failed response */
#define TEST_BUFFER_SIZE           1024
#define TEST_EXT_OP                0 /* Simple stub */


static mock_strategy_context_t         test_strategy1;
static mock_strategy_context_t         test_strategy2;
static mock_storage_context_t          *test_storage1;
static mock_storage_context_t          *test_storage2;
static kaa_log_collector_t             *log_collector;
static size_t                          test_log_record_size = TEST_BUFFER_SIZE;
/* Will contain response_packet. Thus required to be aligned. */
static uint32_t                        test_reader_buffer[TEST_BUFFER_SIZE / 4];
static uint32_t                        test_writer_buffer[TEST_BUFFER_SIZE / 4];
/* Portion of the test buffer filled with valid data */
static size_t                          test_filled_size;
static kaa_platform_message_reader_t   *test_reader;
static kaa_platform_message_writer_t   *test_writer;
static kaa_user_log_record_t           *test_log_record;

/* Values to be checked inside mock event function */
static void     *expected_ctx;
static int      check_bucket;
static uint16_t expected_bucked_id;

/* Required to trace generic mock function calls */
static int      call_is_expected;
static int      call_completed;

/* Required to trace on fail mock function calls */
static int      failed_call_is_expected;
static int      failed_call_completed;

/* Required to trace on success mock function calls */
static int      success_call_is_expected;
static int      success_call_completed;

/* Required to trace on timeout mock function calls */
static int      timeout_call_is_expected;
static int      timeout_call_completed;

/* Mock event functions */

static void mock_log_event_generic_fn(void *ctx, const kaa_log_bucket_info_t *bucket)
{
    ASSERT_TRUE(call_is_expected);
    ASSERT_NOT_NULL(bucket); /* Shouldn't be NULL no matter what */

    if (check_bucket) {
        ASSERT_EQUAL(expected_bucked_id, bucket->bucket_id);
    }

    ASSERT_EQUAL(expected_ctx, ctx);

    call_completed++;
}
Ejemplo n.º 4
0
kaa_error_t kaa_platform_protocol_process_server_sync(kaa_platform_protocol_t *self
        , const char *buffer
        , size_t buffer_size)
{
    KAA_RETURN_IF_NIL3(self, buffer, buffer_size, KAA_ERR_BADPARAM);

    KAA_LOG_TRACE(self->logger, KAA_ERR_NONE, "Processing server sync...");

    kaa_platform_message_reader_t *reader = NULL;
    kaa_error_t error_code = kaa_platform_message_reader_create(&reader, buffer, buffer_size);
    KAA_RETURN_IF_ERR(error_code);

    uint32_t protocol_id = 0;
    uint16_t protocol_version = 0;
    uint16_t extension_count = 0;

    error_code = kaa_platform_message_header_read(reader, &protocol_id, &protocol_version, &extension_count);
    KAA_RETURN_IF_ERR(error_code);

    if (protocol_id != KAA_PLATFORM_PROTOCOL_ID) {
        KAA_LOG_ERROR(self->logger, KAA_ERR_BAD_PROTOCOL_ID, "Unsupported protocol ID %x", protocol_id);
        return KAA_ERR_BAD_PROTOCOL_ID;
    }
    if (protocol_version != KAA_PLATFORM_PROTOCOL_VERSION) {
        KAA_LOG_ERROR(self->logger, KAA_ERR_BAD_PROTOCOL_VERSION, "Unsupported protocol version %u", protocol_version);
        return KAA_ERR_BAD_PROTOCOL_VERSION;
    }

    uint32_t request_id = 0;
    uint8_t extension_type = 0;
    uint32_t extension_options = 0;
    uint32_t extension_length = 0;

    while (!error_code && kaa_platform_message_is_buffer_large_enough(reader, KAA_PROTOCOL_MESSAGE_HEADER_SIZE)) {

        error_code = kaa_platform_message_read_extension_header(reader
                     , &extension_type
                     , &extension_options
                     , &extension_length);
        KAA_RETURN_IF_ERR(error_code);

        switch (extension_type) {
        case KAA_BOOTSTRAP_EXTENSION_TYPE: {
            error_code = kaa_bootstrap_manager_handle_server_sync(self->kaa_context->bootstrap_manager
                         , reader
                         , extension_options
                         , extension_length);
            break;
        }
        case KAA_META_DATA_EXTENSION_TYPE: {
            error_code = kaa_platform_message_read(reader, &request_id, sizeof(uint32_t));
            request_id = KAA_NTOHL(request_id);
            break;
        }
        case KAA_PROFILE_EXTENSION_TYPE: {
            error_code = kaa_profile_handle_server_sync(self->kaa_context->profile_manager
                         , reader
                         , extension_options
                         , extension_length);
            break;
        }
        case KAA_USER_EXTENSION_TYPE: {
            error_code = kaa_user_handle_server_sync(self->kaa_context->user_manager
                         , reader
                         , extension_options
                         , extension_length);
            break;
        }
#ifndef KAA_DISABLE_FEATURE_LOGGING
        case KAA_LOGGING_EXTENSION_TYPE: {
            error_code = kaa_logging_handle_server_sync(self->kaa_context->log_collector
                         , reader
                         , extension_options
                         , extension_length);
            break;
        }
#endif
#ifndef KAA_DISABLE_FEATURE_EVENTS
        case KAA_EVENT_EXTENSION_TYPE: {
            error_code = kaa_event_handle_server_sync(self->kaa_context->event_manager
                         , reader
                         , extension_options
                         , extension_length
                         , request_id);
            break;
        }
#endif
#ifndef KAA_DISABLE_FEATURE_CONFIGURATION
        case KAA_CONFIGURATION_EXTENSION_TYPE: {
            error_code = kaa_configuration_manager_handle_server_sync(self->kaa_context->configuration_manager
                         , reader
                         , extension_options
                         , extension_length);
            break;
        }
#endif
#ifndef KAA_DISABLE_FEATURE_NOTIFICATION
        case KAA_NOTIFICATION_EXTENSION_TYPE: {
            error_code = kaa_notification_manager_handle_server_sync(self->kaa_context->notification_manager
                         , reader
                         , extension_length);
            break;
        }
#endif
        default:
            KAA_LOG_WARN(self->logger, KAA_ERR_UNSUPPORTED,
                         "Unsupported extension received (type = %u)", extension_type);
            break;
        }
    }

    kaa_platform_message_reader_destroy(reader);

    if (!error_code) {
        error_code = kaa_status_save(self->status);
        KAA_LOG_TRACE(self->logger, KAA_ERR_NONE, "Server sync successfully processed");
    } else {
        KAA_LOG_ERROR(self->logger, error_code,
                      "Server sync is corrupted. Failed to read extension with type %u", extension_type);
    }

    return error_code;
}