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/* Cesar project {{{
 *
 * Copyright (C) 2008 Spidcom
 *
 * <<<Licence>>>
 *
 * }}} */
/**
 * \file    cp/src/trace.c
 * \brief   Define CP trace events.
 * \ingroup cp
 */
#include "common/std.h"

#include <string.h>

#include "cp/inc/context.h"
#include "cp/fsm/inc/tables.h"
#include "cp/msg/inc/allowed_mme.h"

/**
 * Format a FSM state.
 * \see trace_format_t.
 */
static int
cp_trace_format_fsm_state (char *text, uint text_size, int data)
{
    const char *state_name;
    if (data < 0 || data >= CP_FSM_STATE_NB)
        state_name = "UNKNOWN";
    else
        state_name = cp_fsm_state_names_table[data];
    uint state_name_len = strlen (state_name);
    if (state_name_len > text_size)
        return -1;
    else
    {
        memcpy (text, state_name, state_name_len);
        return state_name_len;
    }
}

/**
 * Format a FSM event.
 * \see trace_format_t.
 */
static int
cp_trace_format_fsm_event (char *text, uint text_size, int data)
{
    const char *event_name;
    if (data < 0 || data >= CP_FSM_EVENT_TYPE_NB)
        event_name = "UNKNOWN";
    else
        event_name = cp_fsm_event_names_table[data];
    uint event_name_len = strlen (event_name);
    if (event_name_len > text_size)
        return -1;
    else
    {
        memcpy (text, event_name, event_name_len);
        return event_name_len;
    }
}

/**
 * Format an MMType.
 * \see trace_format_t.
 */
static int
cp_trace_format_mmtype (char *text, uint text_size, int data)
{
    const char *mmtype_name = "UNKNOWN";

    /* Try to find the MMType. */
    uint i;
    cp_mmtype_t mmtype = data;
    DICHOTOMY_SEARCH (0, cp_msg_mme_allowed_count, i,
                      mmtype <= cp_msg_mme_allowed[i].mmtype);

    /* If found. */
    if ((i < cp_msg_mme_allowed_count)
        && (mmtype == cp_msg_mme_allowed[i].mmtype))
        mmtype_name = cp_msg_mme_allowed[i].mmtype_name;

    /* Copy if we can. */
    uint mmtype_name_len = strlen (mmtype_name);
    if (mmtype_name_len > text_size)
        return -1;
    else
    {
        memcpy (text, mmtype_name, mmtype_name_len);
        return mmtype_name_len;
    }
}

void
cp_trace_init (cp_t *ctx)
{
    static trace_namespace_t namespace;
    static const trace_event_id_t event_ids[] =
    {
        TRACE_EVENT (CP_TRACE_INIT, "init"),
        TRACE_EVENT (CP_TRACE_UNINIT, "uninit"),
        TRACE_EVENT (CP_TRACE_FSM_POST, "fsm post <%E>"),
        TRACE_EVENT (CP_TRACE_FSM_TRIGGER, "fsm trigger <%E>"),
        TRACE_EVENT (CP_TRACE_FSM_POST_URGENT, "fsm post urgent <%E>"),
        TRACE_EVENT (CP_TRACE_FSM_HANDLE_EVENT, "fsm handle <%E>"),
        TRACE_EVENT (CP_TRACE_FSM_HANDLE_URGENT_EVENT,
                     "fsm handle urgent <%E>"),
        TRACE_EVENT (CP_TRACE_FSM_CHANGE_STATE, "fsm %S => %S"),
        TRACE_EVENT (CP_TRACE_MME_ERROR_IND,
                     "mme error ind tei %d reason %d mmv %d mmtype %d offset %d"),
        TRACE_EVENT (CP_TRACE_BEACON_BEACON_SEND,
                     "Beacon send, Beacon type : %x", TIMESTAMP),
        TRACE_EVENT (CP_TRACE_BEACON_SCHEDULES,
                     "Beacon schedules : %x %x %x, tick offset : %x",
                     TIMESTAMP),
        TRACE_EVENT (CP_TRACE_BEACON_SCHEDULES_DEF,
                     "Beacon default schedules : %x %x %x, tick offset : %x",
                     TIMESTAMP),
        TRACE_EVENT (CP_TRACE_BEACON_TIMER_PRGM, "Beacon timer prgm : %x",
                     TIMESTAMP),
        TRACE_EVENT (CP_TRACE_BEACON_CRC_ERROR, "Beacon CRC Error : %x",
                     TIMESTAMP),
        TRACE_EVENT (CP_TRACE_BEACON_UNPACK_ERROR,
                     "Beacon Error, nid msb : %x, nid lsb : %x, snid : %x, stei : %x, bt : %x, bts : %x",
                     TIMESTAMP),
        TRACE_EVENT (CP_TRACE_BEACON_BEACON_PROCESS,
                     "Beacon processing, nid msb : %x, nid lsb : %x, snid : %x, stei : %x, bt : %x, bts : %x",
                     TIMESTAMP),
        TRACE_EVENT (CP_TRACE_PWL_FREQ,
                     "PWL cable : %d, zero cross : %x, Beacon period (NTB): %x",
                     TIMESTAMP),
        TRACE_EVENT (CP_TRACE_PWL_STA_COMP_BPS,
                     "[PWL STA] period : %x, st[0] : %x, st[1] : %x, st[2] : %x, st[3] : %x",
                     TIMESTAMP),
        TRACE_EVENT (CP_TRACE_PWL_STA_COMP_BPS_DATA,
                     "[PWL STA] bts: %x, bto0: %x, bto1: %x, bto2: %x, bto3: %x, bpsto: %x"),
        TRACE_EVENT (CP_TRACE_PWL_CCO_COMP_BPS,
                     "[PWL Track] period : %x, st[0] : %x, st[1] : %x, st[2] : %x, st[3] : %x",
                     TIMESTAMP),
        TRACE_EVENT (CP_TRACE_MSG_DISPATCH, "[MSG] receive %M from %d",
                     TIMESTAMP),
        TRACE_EVENT (CP_TRACE_MSG_DISPATCH_DROP, "[MSG] drop %M from %d",
                     TIMESTAMP),
        TRACE_EVENT (CP_TRACE_MSG_SEND, "[MSG] send %M to %d",
                     TIMESTAMP),
        TRACE_EVENT (CP_TRACE_CL_INTERF_PROCESS_MME,
                     "[CL Interf] PROCESS MME buffer : %x, length : %d, tei : %x, FMI %x",
                     TIMESTAMP),
        TRACE_EVENT (CP_TRACE_CL_INTERF_MME_NOT_CORRECT,
                     "[CL Interf] MME NOT CORRECT buffer : %x"),
        TRACE_EVENT (CP_TRACE_CL_INTERF_GET_BUFFER_TX,
                     "[CL Interf] GET BUFFER TX buffer : %x", TIMESTAMP),
        TRACE_EVENT (CP_TRACE_CL_INTERF_MME_SEND,
                     "[CL Interf] MME SEND buffer : %x, length : %d, tei : %x"),
        TRACE_EVENT (CP_TRACE_CL_INTERF_BUFFER_ADD,
                     "[CL Interf] BUFFER ADD buffer : %x"),
        TRACE_EVENT (CP_TRACE_CL_INTERF_MME_RX,
                     "[CL Interf] MME RX buffer : %x, length : %d",
                     TIMESTAMP),
        TRACE_EVENT (CP_TRACE_CL_INTERF_MME_RX_DROP,
                     "[CL Interf] MME RX DROPPED buffer : %x, length : %d, mac: %m",
                     TIMESTAMP),
        TRACE_EVENT (CP_TRACE_CCO_ASSOC, "[CCo] Assoc, Mac addr : %m, tei : %x"),
        TRACE_EVENT (CP_TRACE_CCO_ASSOC_RENEW,
                     "[CCo] Assoc renew, Mac addr : %m, tei : %x"),
        TRACE_EVENT (CP_TRACE_CCO_TEI_EXPIRED,
                     "[CCo] tei expired, Mac addr : %m, tei : %x"),
        TRACE_EVENT (CP_TRACE_NTB_SYNC,
                     "[NTB SYNC] bts : %x, sysdate : %x, stadate : %x, fe : %d ppm, offset : %d"),
        TRACE_EVENT (CP_TRACE_NTB_SYNC_PROC_DELAY, "[NTB] Processing delay : %d"),
        TRACE_EVENT (CP_TRACE_NTB_SYNC_CLEAR, "[NTB] clear", TIMESTAMP),
        TRACE_EVENT (CP_TRACE_CE_TX_NEW_TONEMAP, "[ce_tx] New tonemap "
                     "attached %d"),
        TRACE_EVENT (CP_TRACE_CE_TX_NEW_DEFAULT_TMI, "[ce_tx] New default"
                     "tmi %d"),
        TRACE_EVENT (CP_TRACE_CE_TX_MME_DECODE_ERROR, "[ce_tx] Error while "
                     "decoding MME at step %x"),
    };
    dbg_assert (ctx);
    trace_namespace_init (&namespace, event_ids, COUNT (event_ids));
    trace_namespace_register_format (&namespace, 'S',
                                     cp_trace_format_fsm_state);
    trace_namespace_register_format (&namespace, 'E',
                                     cp_trace_format_fsm_event);
    trace_namespace_register_format (&namespace, 'M',
                                     cp_trace_format_mmtype);
    trace_buffer_add (&ctx->trace, "cp", 8, 1, false, &namespace);
    trace_buffer_add (&ctx->trace_verbose, "cp-verbose", 8, 8, true, &namespace);
}

void
cp_trace_uninit (cp_t *ctx)
{
    dbg_assert (ctx);
    trace_buffer_remove (&ctx->trace_verbose);
    trace_buffer_remove (&ctx->trace);
}