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openairinterface5g/openair2/RRC/CELLULAR/rrc_rg_mbms_outputs.c
T
Cedric Roux 56c66c09aa - Fix: avoid infinite loop on mulitcast read thread if no data to read 
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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4000 818b1a75-f10b-46b9-bf7c-635c3b92a50f
2013-06-25 09:05:02 +00:00

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/***************************************************************************
rrc_rg_mbms_outputs.c - description
-------------------
begin : Jul 28, 2005
copyright : (C) 2001, 2010 by Eurecom
created by : Huu-Nghia.Nguyen@eurecom.fr
modified by : Michelle.Wetterwald@eurecom.fr
**************************************************************************
This file implements the code for outputs to RG other layers
**************************************************************************/
/********************
//OpenAir definitions
********************/
#include "LAYER2/MAC/extern.h"
#include "UTIL/MEM/mem_block.h"
/********************
// RRC definitions
********************/
#include "rrc_rg_vars.h"
#include "rrc_mbms_pdus.h"
#include "rrc_msg_class.h"
#include "rrc_rg_mbms_variables.h"
//-----------------------------------------------------------------------------
#include "rrc_proto_mbms.h"
//-----------------------------------------------------------------------------
#ifdef MBMS_INTEGRATION_MODE
#include "rrc_messages.h"
#include "rrc_nas_primitives.h"
//#include "rrc_rg.h"
#include "rrc_proto_int.h"
#include "rrc_proto_intf.h"
//#include "rb_proto_extern.h"
//#include "rrc_srb_proto_extern.h"
#endif
//-----------------------------------------------------------------------------
/**
* @brief Prepare RRM Request for MBMS RB configuration
* @date Jul 28, 2005 10:59:05 AM
*/
//-------------------------------------------------------------------
void RRC_RG_MBMS_O_GET_RB_INFORMATION(int action){
//-------------------------------------------------------------------
#ifdef DEBUG_RRC_STATE
msg("[RRC-RG][MBMS][IF] Get RB Information from RRM...\n");
#endif
#ifdef MBMS_INTEGRATION_MODE
if (protocol_bs->rrc.rrc_currently_updating == FALSE) {
//No pending request to RRM
protocol_bs->rrc.rrc_multicast_bearer = TRUE;
//Temp - Multicast bearer is attributed to UE_Id 0
protocol_bs->rrc.Mobile_List[0].requested_rbId = p_rg_mbms->nas_rbId; //List of RBs
/* QoS class must be one of the following
RRC_QOS_MBMS_STREAMING_128 20
RRC_QOS_MBMS_STREAMING_256 21
RRC_QOS_MBMS_STREAMING_384 22
*/
protocol_bs->rrc.Mobile_List[0].requested_QoSclass = p_rg_mbms->nas_QoSclass;
rrc_rg_compute_configuration (0, action);
}else{
msg("\n[RRC-RG][MBMS] Will not contact RRM, there is already a pending request\n\n");
}
#endif
#ifdef MBMS_TEST_MODE
p_rg_mbms->l12ConfigurationChanged = TRUE;
#endif
}
/**
* @brief Request L12 to configure RBs
* @date Aug 24, 2005 11:50:48 AM
*/
//-------------------------------------------------------------------
void RRC_RG_MBMS_O_L12_CONFIGURE(void){
//-------------------------------------------------------------------
int UE_Id=0; //default for MBMS
#ifdef DEBUG_RRC_STATE
msg("[RRC-RG][MBMS][IF] Request L12 to configure radio bearers\n");
#endif
// Should call RRC_RG_O_O_CPHY_RL_SETUP_Req ,
// but not done here because FACH is used and PHY is not changed
RRC_RG_O_O_CRLC_CONFIG_Req();
RRC_RG_O_O_CMAC_CONFIG_Req();
// clean commands in configuration w/ UE_Id=0 , msg =0
rg_clear_transaction(UE_Id,0);
// Confirm to RRM
rrm_add_radio_access_bearer_confirm(UE_Id, 0); // 2nd parameter is RB_Id, to be included with real value
}
/**
* @brief Send the message on the DCCH channel
* @date Jun 27, 2005 9:26:16 AM
* @param uegID used to locate the mobile terminal in the Mobile_List
* @param pmsg pointer to MCCH message
* @msglen length of the MCCH message
*/
//-------------------------------------------------------------------
void RRC_RG_MBMS_O_SEND_DCCH_UM(int ueID, char* pmsg, int msglen){
//-------------------------------------------------------------------
#ifdef MBMS_INTEGRATION_MODE
int retcode;
// send message
if (msglen > 0 && pmsg != NULL){
if ((protocol_bs->rrc.Mobile_List[0].state == CELL_FACH_Connected)
|| (protocol_bs->rrc.Mobile_List[0].state == CELL_DCH_Connected)){
//retcode = rb_tx_data_srb_rg(RRC_SRB1_ID + (ueID*maxRB), pmsg, msglen * 8, 0, FALSE);
retcode = rrc_rg_send_to_srb_rlc (ueID, RRC_SRB1_ID, pmsg, msglen);
#ifdef DEBUG_RRC_STATE
msg("\033[0;32m[RRC-RG][MBMS][TX] ModifiedServicesInformation, DCCH_UM, length %d\n\033[0m", msglen);
#ifdef DEBUG_RRC_MBMS_MSG_CONTENT
msg("tx: ");
rrc_print_buffer((char*) pmsg, msglen);
#endif
#endif
}
}
#endif
#ifdef MBMS_TEST_MODE
tx_simulate(DCCH_ID, pmsg, msglen);
#ifdef DEBUG_RRC_STATE
if (pmsg != NULL && msglen > 0){
msg("\033[0;32m[RRC-RG][MBMS][TX] ModifiedServicesInformation, DCCH, length %d, frame %d \n\033[0m", msglen, protocol_bs->rrc.current_SFN);
#ifdef DEBUG_RRC_MBMS_MSG_CONTENT
msg("tx: ");
rrc_print_buffer((char*) pmsg, msglen);
#endif
}
#endif
#endif
}
/**
* @brief Send the message on the MCCH channel
* @date Jun 27, 2005 9:26:16 AM
* @param pmsg pointer to MCCH message
* @msglen length of the MCCH message
*/
//-------------------------------------------------------------------
void RRC_RG_MBMS_O_SEND_MCCH(char* pmsg, int msglen){
//-------------------------------------------------------------------
#ifdef MBMS_INTEGRATION_MODE
//send message
if (msglen > 0 && pmsg != NULL){
rrc_rg_mcch_tx (pmsg, msglen);
#ifdef DEBUG_RRC_MBMS
//#ifdef DEBUG_RRC_MBMS_BASIC
msg("\033[0;32m[RRC-RG][MBMS][TX] ");
rrc_mbms_mcch_message_name_print(((MCCH_Message*) pmsg)->message.type);
msg(", MCCH , length %d, frame %d \n\033[0m", msglen, protocol_bs->rrc.current_SFN);
#ifdef DEBUG_RRC_MBMS_MSG_CONTENT
msg("tx: ");
rrc_print_buffer((char*) pmsg, msglen);
#endif
#endif
}
#endif
#ifdef MBMS_TEST_MODE
tx_simulate(MCCH_ID, pmsg, msglen);
#ifdef DEBUG_RRC_MBMS
if (pmsg != NULL && msglen > 0){
msg("\033[0;32m[RRC-RG][MBMS][TX] ");
rrc_mbms_mcch_message_name_print(((MCCH_Message*) pmsg)->message.type);
msg(", MCCH, length %d, frame %d \n\033[0m", msglen, protocol_bs->rrc.current_SFN);
#ifdef DEBUG_RRC_MBMS_MSG_CONTENT
msg("tx: ");
rrc_print_buffer((char*) pmsg, msglen);
#endif
}
#endif
#endif
}
/**
* @brief Send the message on the MSCH channel
* @date Jun 27, 2005 9:26:16 AM
* @param pmsg pointer to MCCH message
* @msglen length of the MCCH message
*/
//-------------------------------------------------------------------
void RRC_RG_MBMS_O_SEND_MSCH(char* pmsg, int msglen){
//-------------------------------------------------------------------
#ifdef MBMS_INTEGRATION_MODE
#ifdef DEBUG_RRC_STATE
msg("[RRC-RG][MBMS] MSCH Channel is not available, ignore the message\n");
#endif
#endif
#ifdef MBMS_TEST_MODE
tx_simulate(MSCH_ID, pmsg, msglen);
#ifdef DEBUG_RRC_MBMS
if (pmsg != NULL && msglen > 0){
msg("\033[0;32m[RRC-RG][MBMS][TX] SchedulingInformation, MSCH, length %d, frame %d \n\033[0m", msglen, protocol_bs->rrc.current_SFN);
#ifdef DEBUG_RRC_MBMS_MSG_CONTENT
msg("tx: ");
rrc_print_buffer((char*) pmsg, msglen);
#endif
}
#endif
#endif
}
//-------------------------------------------------------------------
void RRC_RG_MBMS_O_UE_NOTIFY_CNF(void){
//-------------------------------------------------------------------
#ifdef MBMS_INTEGRATION_MODE
struct nas_rg_if_element *msgToBuild;
mem_block_t *p = get_free_mem_block(sizeof (struct nas_rg_if_element));
protocol_bs->rrc.NASMessageToXmit = p; // Temp - will later enqueue at bottom of list
//Set pointer to newly allocated structure and fills it
msgToBuild = (struct nas_rg_if_element *) p->data;
msgToBuild->prim_length = NAS_TL_SIZE + sizeof(struct NASMBMSUENotifyCnf);
msgToBuild->xmit_fifo = protocol_bs->rrc.rrc_rg_DCOut_fifo[p_rg_mbms->nas_ueID];
msgToBuild->nasRgPrimitive.dc_sap_prim.type = MBMS_UE_NOTIFY_CNF;
msgToBuild->nasRgPrimitive.dc_sap_prim.length = msgToBuild->prim_length;
msgToBuild->nasRgPrimitive.dc_sap_prim.nasRGDCPrimitive.mbms_ue_notify_cnf.localConnectionRef = protocol_bs->rrc.Mobile_List[p_rg_mbms->nas_ueID].local_connection_ref;
msgToBuild->nasRgPrimitive.dc_sap_prim.nasRGDCPrimitive.mbms_ue_notify_cnf.mbmsStatus = ACCEPTED; //Temp - hard coded
#ifdef DEBUG_RRC_STATE
msg("[RRC-RG][MBMS] MBMS_UE_NOTIFY_CNF primitive sent to NAS, length %d.\n", msgToBuild->prim_length);
#endif
#endif
#ifdef MBMS_TEST_MODE
msg("[RRC-RG][MBMS] MBMS_UE_NOTIFY_CNF primitive sent to NAS.\n");
#endif
}
//-------------------------------------------------------------------
void RRC_RG_O_O_NAS_MBMS_RB_ESTAB_CNF (void){
//-------------------------------------------------------------------
#ifdef MBMS_INTEGRATION_MODE
// int rb_id;
// int qos_class;
// This is hard-coded to go in DC-SAP of MT 0, to avoid introducing an uplink GC-SAP in RG
int UE_Id = 0;
struct nas_rg_if_element *msgToBuild;
mem_block_t *p = get_free_mem_block (sizeof (struct nas_rg_if_element));
protocol_bs->rrc.NASMessageToXmit = p; // Temp - will later enqueue at bottom of list
//Set pointer to newly allocated structure and fills it
msgToBuild = (struct nas_rg_if_element *) p->data;
msgToBuild->prim_length = NAS_TL_SIZE + sizeof (struct NASMBMSBearerEstablishConf);
msgToBuild->xmit_fifo = protocol_bs->rrc.rrc_rg_DCOut_fifo[UE_Id];
msgToBuild->nasRgPrimitive.dc_sap_prim.type = MBMS_BEARER_ESTABLISH_CNF;
msgToBuild->nasRgPrimitive.dc_sap_prim.length = msgToBuild->prim_length;
msgToBuild->nasRgPrimitive.dc_sap_prim.nasRGDCPrimitive.mbms_establish_cnf.rbId = p_rg_mbms->nas_rbId;
msgToBuild->nasRgPrimitive.dc_sap_prim.nasRGDCPrimitive.mbms_establish_cnf.sapId = p_rg_mbms->nas_sapId;
msgToBuild->nasRgPrimitive.dc_sap_prim.nasRGDCPrimitive.mbms_establish_cnf.status = p_rg_mbms->nas_status;
#ifdef DEBUG_RRC_STATE
msg ("[RRC-RG][MBMS][FSM-OUT] MBMS_BEARER_ESTABLISH_CNF primitive sent to NAS, for mobile %d.\n", UE_Id);
#endif
#endif
}
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