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/* Cesar project {{{
 *
 * Copyright (C) 2010 Spidcom
 *
 * <<<Licence>>>
 *
 * }}} */
/**
 * \file    bsu/test/utest/src/interface.c
 * \brief   Interface unit tests.
 * \ingroup bsu
 */
#include "common/std.h"
#include "lib/test.h"
#include "lib/fixed.h"
#include "bsu/test/utest/tests.h"
#include "bsu/beacon/beacon.h"
#include <string.h>
#include "bsu/inc/interface.h"
#include "bsu/inc/context.h"

bsu_avln_t*
bsu_avln_get (bsu_t *ctx, u64 nid, u8 snid);

void
test_case_bsu_interface_tx (test_t t, bsu_beacon_type_t type)
{
    test_case_begin (t, "SAR and upper layer");

    test_begin (t, "Send beacon")
    {
        bsu_test_t test;
        pb_beacon_t *beacon;
        bsu_beacon_t bsu_beacon;
        pbproc_tx_beacon_params_t params;
        bsu_test_init (&test);
        bsu_test_create_beacon (&test, &bsu_beacon);
        beacon = bsu_beacon_write (&bsu_beacon, type, &test.mac_config,
                                   &params);
        beacon->phy_pb.pb_rx.pb_measurement.crc_error = false;
        if (type == BSU_BEACON_TYPE_PROXY)
        {
            dbg_fatal_try_begin
            {
                bsu_beacon_send (test.bsu, type, beacon, &params);
                test_fail_unless (0);
            }
            dbg_fatal_try_catch (const char *fatal_message)
            {
                test_verbose_print (fatal_message);
                test_fail_unless (true);
                blk_release_desc ((blk_t*) beacon);
            }
            dbg_fatal_try_end;
        }
        else
        {
            test.bsu->avlns[0].sync.ntb_offset_tck = 0x3;
            test.bsu->avlns[0].sync.fe = 0.34;
            test.bsu->sta_avln = &test.bsu->avlns[0];
            bsu_beacon_send (test.bsu, type, beacon, &params);
            test_fail_unless (test.sar.beacon == beacon);
            test_fail_unless (test.sar.mfs->beacon == true);
            if (type == BSU_BEACON_TYPE_CENTRAL)
                test_fail_unless (test.sar.mfs->cap == 0x3);
            else
                test_fail_unless (test.sar.mfs->cap == 0x2);
            test_fail_unless (test.ul.beacon == beacon);
            test_fail_unless (test.ul.bparams->direction
                              == BSU_BEACON_DIRECTION_TO_PLC);
            test_fail_unless (test.ul.bparams->frequency_error
                              == FIXED(test.bsu->avlns[0].sync.fe,
                                       BSU_NTB_FIXED_POINT));
            test_fail_unless (test.ul.bparams->ntb_offset_tck
                              == test.bsu->avlns[0].sync.ntb_offset_tck);
            /* Free the beacon. */
            blk_release_desc ((blk_t*) beacon);
            /* Remove the MFS from the store. */
            mac_store_mfs_remove (test.mac_store,
                                  PARENT_OF (mfs_t, tx, test.sar.mfs));
        }
        bsu_test_uninit (&test);
    }
    test_end;
}

void
test_case_bsu_interface_rx (test_t t)
{
    test_case_begin (t, "Beacon Reception");
    test_begin (t, "Receive CRC Ok, CRC False")
    {
        bsu_test_t test;
        pb_beacon_t *beacon;
        bsu_beacon_t bbeacon;
        pbproc_rx_beacon_params_t rx_params;
        pbproc_tx_beacon_params_t tx_params;
        memset (&rx_params, 0, sizeof (pbproc_rx_beacon_params_t));
        bsu_test_init (&test);
        bsu_test_create_beacon (&test, &bbeacon);
        test.bsu->avlns[0].sync.ntb_offset_tck = 0x3;
        test.bsu->avlns[0].sync.fe = 0.34;
        beacon = bsu_beacon_write (&bbeacon,
                                   BSU_BEACON_TYPE_CENTRAL,
                                   &test.mac_config,
                                   &tx_params);
        beacon->phy_pb.pb_rx.pb_measurement.crc_error = false;
        rx_params.snid = 0x1;
        bsu_beacon_recv (test.bsu, beacon, &rx_params);
        test_fail_unless (test.ul.beacon == beacon);
        test_fail_unless (test.ul.bparams->direction
                          == BSU_BEACON_DIRECTION_FROM_PLC);
        bsu_avln_t *avln = bsu_avln_get (test.bsu, bbeacon.vf.nid,
                                         rx_params.snid);
        test_fail_unless (avln != NULL);
        test_fail_unless (test.ul.bparams->frequency_error
                          == FIXED(avln->sync.fe,
                                   BSU_NTB_FIXED_POINT));
        test_fail_unless (test.ul.bparams->ntb_offset_tck
                          == avln->sync.ntb_offset_tck);
        memset (&test.ul, 0, sizeof (bsu_test_ul_t));
        beacon->phy_pb.pb_rx.pb_measurement.crc_error = true;
        bsu_beacon_recv (test.bsu, beacon, &rx_params);
        test_fail_unless (test.ul.beacon == NULL);
        test_fail_unless (test.ul.bparams == NULL);
        bsu_test_uninit (&test);
    }
    test_end;
}

void
test_suite_bsu_interface (test_t t)
{
    test_suite_begin (t, "BSU interface");
    test_case_bsu_interface_tx (t, BSU_BEACON_TYPE_CENTRAL);
    test_case_bsu_interface_tx (t, BSU_BEACON_TYPE_DISCOVER);
    test_case_bsu_interface_tx (t, BSU_BEACON_TYPE_PROXY);
    test_case_bsu_interface_rx (t);
}