/***************************************************************************
                          rrc_ue_proc.c  -  description
                             -------------------
    begin                : April 30, 2002
    copyright            : (C) 2002, 2010 by Eurecom
    email                : Michelle.Wetterwald@eurecom.fr
 **************************************************************************
  Procedures associated with the UE files generated by Esterel Studio
 ***************************************************************************/
/********************
//OpenAir definitions
 ********************/
#include "LAYER2/MAC/extern.h"
#include "UTIL/MEM/mem_block.h"

/********************
// RRC definitions
 ********************/
#include "rrc_ue_vars.h"
#include "rrc_messages.h"
//-----------------------------------------------------------------------------
#include "rrc_proto_msg.h"
#include "rrc_proto_fsm.h"

//-----------------------------------------------------------------------------
/* Generic function to encode RRC messages */
void  encode_message (int *Message_Id, int Message_Type){
//-----------------------------------------------------------------------------
  #ifdef DEBUG_RRC_STATE
  msg ("[RRC][FSM-PROC]encode message %d \n", Message_Type);
  #endif
  if (protocol_ms->rrc.ue_msg_infos.msg_length) {
  #ifdef DEBUG_RRC_STATE
   msg ("\n\n[RRC_MSG] There is already one message pending %d\n", protocol_ms->rrc.ue_msg_infos.msg_Id);
  #endif
  } else {
    switch (Message_Type) {
      case RRC_CONN_REQ:
        rrc_ue_msg_connreq (Message_Id);
        break;
      case RRC_CONN_SETUP_COMPLETE:
        rrc_ue_msg_connsucompl (Message_Id);
        break;
      case RRC_CONN_RELEASE:
        rrc_ue_msg_connrelUL (Message_Id);
        break;
      case RB_SETUP_COMPLETE:
        rrc_ue_config_LTE_default_drb(protocol_ms->rrc.mod_id);  //TEMP OpenAir
        rrc_ue_config_LTE_srb2(protocol_ms->rrc.mod_id);
        rrc_ue_msg_rbsetupcompl (Message_Id);
        break;
      case RB_SETUP_FAILURE:
        rrc_ue_msg_rbsetupfail (Message_Id);
        break;
      case RB_RELEASE_COMPLETE:
        rrc_ue_config_LTE_default_drb(protocol_ms->rrc.mod_id);   //TEMP OpenAir
        rrc_ue_msg_rbreleasecompl (Message_Id);
        break;
      case RB_RELEASE_FAILURE:
        rrc_ue_msg_rbreleasefail (Message_Id);
        break;
      case CELL_UPDATE:
        rrc_ue_msg_cellUpdate (Message_Id);
        break;
       case UE_CAPABILITY_INFO:
        rrc_ue_msg_ueCapInfo(Message_Id);
        break;
      default:
        msg ("\n\n[RRC_MSG] unknown message type %d\n", Message_Type);
    }
    protocol_ms->rrc.last_message_sent = Message_Type;
  }
}

//-----------------------------------------------------------------------------
int INTEGER_COMBINE (int Id1, int Id2){
//-----------------------------------------------------------------------------
  // signals an error in the automata. Combination should never occur.
  return 999;
}

//-----------------------------------------------------------------------------
int BOOLEAN_COMBINE (int Id1, int Id2){
//-----------------------------------------------------------------------------
  // signals an error in the automata. Combination should never occur.
  return FALSE;
}

/* Selection of channels during RRC Connection SetUp
 */
//-----------------------------------------------------------------------------
void Select_PRACH (void){
//-----------------------------------------------------------------------------
  #ifdef DEBUG_RRC_STATE
   msg ("[RRC][FSM-PROC]Select_RACH() -- not implemented\n");
  #endif
}

//-----------------------------------------------------------------------------
void Select_Secondary_CCPCH (void){
//-----------------------------------------------------------------------------
  #ifdef DEBUG_RRC_STATE
   msg ("[RRC][FSM-PROC]Select_Secondary_CCPCH()  -- not implemented \n");
  #endif
}

/* Record of current RRC state
 */
//-----------------------------------------------------------------------------
void Set_State (int new_state, int forward){
//-----------------------------------------------------------------------------
  //protocol_state = new_state;
  protocol_ms->rrc.protocol_state = new_state;
  #ifdef DEBUG_RRC_STATE
  // msg("[RRC][FSM-PROC]New state = %d , forward = %d \n",protocol_state, forward);
   msg ("[RRC][FSM-PROC]New state = %d \n", protocol_ms->rrc.protocol_state);
  #endif
  if (!forward){
  #ifdef DEBUG_RRC_STATE
    msg ("[RRC][FSM-PROC] Set_State - State forwarded to RB FSM \n");
  #endif
    rrc_rb_ue_new_state (new_state);
  }
}

/* release resources in RLC, MAC, PHY (no reply)
 */
//-----------------------------------------------------------------------------
void release_radio_resources (void){
//-----------------------------------------------------------------------------
  rrc_release_all_ressources = 1;
}

/* clear RRC variables: TRANSACTIONS, ESTABLISHED_RBs...
 */
//-----------------------------------------------------------------------------
void clear_variables_rel (void){
//-----------------------------------------------------------------------------
  int i;

  #ifdef DEBUG_RRC_STATE
   msg ("[RRC][FSM-PROC]clear_variables_release()- CLEAN RRC variables\n");
  #endif
  protocol_ms->rrc.ue_wait_establish_req = 0;
  protocol_ms->rrc.u_rnti = 0;
  protocol_ms->rrc.c_rnti = 0;

  rrc_rb_ue_init ();
  protocol_ms->rrc.rrc_currently_updating = FALSE;
  //Temp - transactions still to be implemented
  protocol_ms->rrc.accepted_trans[0].transaction_Id = 0;
  protocol_ms->rrc.rcved_trans.transaction_Id = 0;
  protocol_ms->rrc.rcved_trans.msg_type = 0;
  protocol_ms->rrc.last_message_sent = 0;
  protocol_ms->rrc.num_rb = 0;

  // Clear measurement control blocks
  for (i=0;i<MAXMEASTYPES;i++){
   memset (&(protocol_ms->rrc.ue_meas_cmd[i]), 0, sizeof(struct rrc_ue_meas_cmd));
   memset (&(protocol_ms->rrc.ue_meas_rep[i]), 0, sizeof(struct rrc_ue_meas_rep));
  }
}

//-----------------------------------------------------------------------------
void ue_clear_transaction (int Message_Type){
//-----------------------------------------------------------------------------
// TODO with proc_IE_transaction
//  int  rb_id = 0;
  #ifdef DEBUG_RRC_STATE
   msg ("[RRC][FSM-PROC]UE clear_transaction()\n");
  #endif
  protocol_ms->rrc.accepted_trans[0].transaction_Id = 0;
  //save valid configuration for ms
  memcpy (&(protocol_ms->rrc.saved_configuration.mt_config), &(rrm_config)->mt_config, sizeof (MT_CONFIG));
  switch (Message_Type) {
      case RRC_CONN_SETUP:
        protocol_ms->rrc.idata_xfer = TRUE;
        break;
      case RB_SETUP:
        protocol_ms->rrc.ue_established_rbs[protocol_ms->rrc.requested_rbId].rb_started = RB_STARTED;
        // Temp - Esterel to be corrected. must be last procedure, after NAS
        //          protocol_ms->rrc.requested_rbId = 0;
        //          protocol_ms->rrc.requested_QoSclass = 0;
        //          protocol_ms->rrc.requested_dscp = 0;
      case RB_RELEASE:
        // Temp - Esterel to be corrected. must be last procedure, after NAS
        //          protocol_ms->rrc.requested_rbId = 0;
        protocol_ms->rrc.ue_established_rbs[protocol_ms->rrc.requested_rbId].qos_class = 0;
        protocol_ms->rrc.ue_established_rbs[protocol_ms->rrc.requested_rbId].dscp_code = 0;
        protocol_ms->rrc.ue_established_rbs[protocol_ms->rrc.requested_rbId].rb_started = RB_STOPPED;
        break;
      default:
        msg ("[RRC][FSM-PROC]UE clear_transaction()- unknown message type\n");
  }
}

/* function prototypes for the RRC Radio Bearer Establishment and Release procedures, UE side */

void proc_IE_activ_Time (void){
  #ifdef DEBUG_RRC_STATE
   msg ("[RRC][RB-PROC] NI--proc_IE_activ_Time()\n");
  #endif
}

void proc_IE_RNTIs (void){
  #ifdef DEBUG_RRC_STATE
   msg ("[RRC][RB-PROC] NI--proc_IE_RNTIs()\n");
  #endif
}

void proc_IE_transaction (void){
  #ifdef DEBUG_RRC_STATE
   msg ("[RRC][RB-PROC] NI--proc_IE_transaction()\n");
  #endif
}

void proc_IE_configuration (void){
  #ifdef DEBUG_RRC_STATE
   msg ("[RRC][RB-PROC] NI--proc_IE_configuration()\n");
  #endif
}

void clear_C_RNTI (void){
  #ifdef DEBUG_RRC_STATE
   msg ("[RRC][RB-PROC] NI--clear_C_RNTI()\n");
  #endif
}

//-----------------------------------------------------------------------------
void set_RRC_Transaction_ID (void){
//-----------------------------------------------------------------------------
  int i;
  // clean up commands in config -- Temp
  #ifdef DEBUG_RRC_STATE
   msg ("[RRC][RB-PROC]set_RRC_Transaction_ID()\n");
  #endif
  // TEMP Commented for openAir
/*  for (i = 0; i < JRRM_MAX_COMMANDS_PER_TRANSACTION; i++) {
    (&rrm_config->mt_config)->rrm_commands[i].rrm_action = 0;
  }*/
}

//-----------------------------------------------------------------------------
void rrc_ue_t300_timeout (void){
//-----------------------------------------------------------------------------
  msg ("[RRC] TIME OUT RRC_CONNECTION REQUEST frame %d\n", protocol_ms->rrc.current_SFN);

  protocol_ms->rrc.rrc_ue_t300_target = 0;
  rrc_ue_fsm_control (T300_TO);

}