ab_gp_proc_handover.c

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#include "ab_gp_proc_handover.h"
#include "rte/oal/memory/rte_mem_util.h"
 
/* REQ-ID: RBC_ERTMS_HO_001 - Handover Context Initialization */
void ab_gp_proc_handover_init(ab_gp_ertms_train_context_t *ctx)
{
    if (ctx == NULL)
    {
        return;
    }
 
    ctx->handover.state = AB_GP_HANDOVER_STATE_NONE;
    ctx->handover.target_nid_c = 0U;
    ctx->handover.target_nid_rbc = 0U;
    ctx->handover.target_nid_radio = 0ULL;
    ctx->handover.d_rbctr_m = 0U;
    ctx->handover.order_sent = false;
}
 
/* REQ-ID: RBC_ERTMS_HO_002 - Announce Handover Boundary */
bool ab_gp_proc_handover_announce(ab_gp_ertms_train_context_t *ctx,
                                  uint16_t target_nid_c,
                                  uint16_t target_nid_rbc,
                                  uint64_t target_nid_radio,
                                  uint32_t d_rbctr_m)
{
    if ((ctx == NULL) || (target_nid_rbc == 0U))
    {
        return false;
    }
 
    ctx->handover.state = AB_GP_HANDOVER_STATE_ANNOUNCED;
    ctx->handover.target_nid_c = target_nid_c;
    ctx->handover.target_nid_rbc = target_nid_rbc;
    ctx->handover.target_nid_radio = target_nid_radio;
    ctx->handover.d_rbctr_m = d_rbctr_m;
    ctx->handover.order_sent = false;
 
    return true;
}
 
/* REQ-ID: RBC_ERTMS_HO_003 - Packet 131 Generation */
bool ab_gp_proc_handover_generate_packet_131(ab_gp_ertms_train_context_t *ctx,
                                             rbc_packet_131_rbc_transition_t *out_p131)
{
    if ((ctx == NULL) || (out_p131 == NULL))
    {
        return false;
    }
 
    if ((ctx->handover.state != AB_GP_HANDOVER_STATE_ANNOUNCED) &&
        (ctx->handover.state != AB_GP_HANDOVER_STATE_ORDERED))
    {
        return false;
    }
 
    out_p131->d_rbctr = ctx->handover.d_rbctr_m;
    out_p131->nid_c = ctx->handover.target_nid_c;
    out_p131->nid_rbc = ctx->handover.target_nid_rbc;
    out_p131->nid_radio = ctx->handover.target_nid_radio;
    out_p131->q_sleepingsession = false;
 
    ctx->handover.state = AB_GP_HANDOVER_STATE_ORDERED;
    ctx->handover.order_sent = true;
 
    return true;
}
 
/* REQ-ID: RBC_ERTMS_HO_004 - Handover Completion */
bool ab_gp_proc_handover_complete(ab_gp_ertms_train_context_t *ctx)
{
    if (ctx == NULL)
    {
        return false;
    }
 
    ctx->handover.state = AB_GP_HANDOVER_STATE_COMPLETED;
    return true;
}
 
/* REQ-ID: RBC_ERTMS_HO_005 - Handover State Query */
ab_gp_ertms_handover_state_t ab_gp_proc_handover_get_state(const ab_gp_ertms_train_context_t *ctx)
{
    if (ctx == NULL)
    {
        return AB_GP_HANDOVER_STATE_NONE;
    }
 
    return ctx->handover.state;
}