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FlexRAN: Simplify stats request handling

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* only set up timer for sending requests
* simplify interface for timer setup
* on timer expiry, do not pass through stats request function but
  directly send the reply
* Remove whatever report structure and use stats request directly for
  inferring the data to send
This commit is contained in:
Robert Schmidt
2020-01-20 11:34:54 +01:00
parent a21c1b1f73
commit 7415d08138
13 changed files with 221 additions and 511 deletions
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openair2/ENB_APP/CONTROL_MODULES/MAC/flexran_agent_mac.c
+24 -23
View File
@@ -63,9 +63,12 @@ pthread_mutex_t sc_update_mtx = PTHREAD_MUTEX_INITIALIZER;
int flexran_agent_mac_stats_reply(mid_t mod_id,
const report_config_t *report_config,
Protocol__FlexUeStatsReport **ue_report,
Protocol__FlexCellStatsReport **cell_report) {
int n_ue,
uint32_t ue_flags,
Protocol__FlexCellStatsReport **cell_report,
int n_cc,
uint32_t cc_flags) {
// Protocol__FlexHeader *header;
@@ -75,18 +78,16 @@ int flexran_agent_mac_stats_reply(mid_t mod_id,
int enb_id = mod_id;
/* Allocate memory for list of UE reports */
if (report_config->nr_ue > 0) {
if (n_ue > 0) {
for (i = 0; i < report_config->nr_ue; i++) {
for (i = 0; i < n_ue; i++) {
UE_id = flexran_get_mac_ue_id(mod_id, i);
ue_report[i]->rnti = report_config->ue_report_type[i].ue_rnti;
ue_report[i]->has_rnti = 1;
const rnti_t rnti = ue_report[i]->rnti;
UE_id = flexran_get_mac_ue_id_rnti(mod_id, rnti);
/* Check flag for creation of buffer status report */
if (report_config->ue_report_type[i].ue_report_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_BSR) {
if (ue_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_BSR) {
//TODO should be automated
ue_report[i]->n_bsr = 4;
uint32_t *elem;
@@ -103,7 +104,7 @@ int flexran_agent_mac_stats_reply(mid_t mod_id,
}
/* Check flag for creation of PHR report */
if (report_config->ue_report_type[i].ue_report_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_PHR) {
if (ue_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_PHR) {
ue_report[i]->phr = flexran_get_ue_phr (enb_id, UE_id); // eNB_UE_list->UE_template[UE_PCCID(enb_id,UE_id)][UE_id].phr_info;
ue_report[i]->has_phr = 1;
ue_report[i]->flags |= PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_PHR;
@@ -111,7 +112,7 @@ int flexran_agent_mac_stats_reply(mid_t mod_id,
}
/* Check flag for creation of RLC buffer status report */
if (report_config->ue_report_type[i].ue_report_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_RLC_BS) {
if (ue_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_RLC_BS) {
ue_report[i]->n_rlc_report = 3; // Set this to the number of LCs for this UE. This needs to be generalized for for LCs
Protocol__FlexRlcBsr ** rlc_reports;
rlc_reports = malloc(sizeof(Protocol__FlexRlcBsr *) * ue_report[i]->n_rlc_report);
@@ -157,7 +158,7 @@ int flexran_agent_mac_stats_reply(mid_t mod_id,
}
/* Check flag for creation of MAC CE buffer status report */
if (report_config->ue_report_type[i].ue_report_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_MAC_CE_BS) {
if (ue_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_MAC_CE_BS) {
// TODO: Fill in the actual MAC CE buffer status report
ue_report[i]->pending_mac_ces = (flexran_get_MAC_CE_bitmap_TA(enb_id, UE_id, 0) | (0 << 1) | (0 << 2) | (0 << 3)) & 15;
// Use as bitmap. Set one or more of the; /* Use as bitmap. Set one or more of the
@@ -169,7 +170,7 @@ int flexran_agent_mac_stats_reply(mid_t mod_id,
}
/* Check flag for creation of DL CQI report */
if (report_config->ue_report_type[i].ue_report_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_DL_CQI) {
if (ue_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_DL_CQI) {
// TODO: Fill in the actual DL CQI report for the UE based on its configuration
Protocol__FlexDlCqiReport * dl_report;
dl_report = malloc(sizeof(Protocol__FlexDlCqiReport));
@@ -420,7 +421,7 @@ int flexran_agent_mac_stats_reply(mid_t mod_id,
}
/* Check flag for creation of paging buffer status report */
if (report_config->ue_report_type[i].ue_report_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_PBS) {
if (ue_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_PBS) {
//TODO: Fill in the actual paging buffer status report. For this field to be valid, the RNTI
//set in the report must be a P-RNTI
Protocol__FlexPagingBufferReport *paging_report;
@@ -474,7 +475,7 @@ int flexran_agent_mac_stats_reply(mid_t mod_id,
}
/* Check flag for creation of UL CQI report */
if (report_config->ue_report_type[i].ue_report_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_UL_CQI) {
if (ue_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_UL_CQI) {
//Fill in the full UL CQI report of the UE
Protocol__FlexUlCqiReport *full_ul_report;
@@ -559,7 +560,7 @@ int flexran_agent_mac_stats_reply(mid_t mod_id,
ue_report[i]->flags |= PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_UL_CQI;
}
if (report_config->ue_report_type[i].ue_report_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_MAC_STATS) {
if (ue_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_MAC_STATS) {
Protocol__FlexMacStats *macstats;
macstats = malloc(sizeof(Protocol__FlexMacStats));
@@ -668,15 +669,15 @@ int flexran_agent_mac_stats_reply(mid_t mod_id,
}
/* Allocate memory for list of cell reports */
if (report_config->nr_cc > 0) {
if (n_cc > 0) {
// Fill in the Cell reports
for (i = 0; i < report_config->nr_cc; i++) {
for (i = 0; i < n_cc; i++) {
/* Check flag for creation of noise and interference report */
if(report_config->cc_report_type[i].cc_report_flags & PROTOCOL__FLEX_CELL_STATS_TYPE__FLCST_NOISE_INTERFERENCE) {
if(cc_flags & PROTOCOL__FLEX_CELL_STATS_TYPE__FLCST_NOISE_INTERFERENCE) {
// TODO: Fill in the actual noise and interference report for this cell
Protocol__FlexNoiseInterferenceReport *ni_report;
ni_report = malloc(sizeof(Protocol__FlexNoiseInterferenceReport));
@@ -710,8 +711,8 @@ int flexran_agent_mac_stats_reply(mid_t mod_id,
error:
if (cell_report != NULL) {
if (report_config->nr_cc > 0) {
for (i = 0; i < report_config->nr_cc; i++) {
if (n_cc > 0) {
for (i = 0; i < n_cc; i++) {
if (cell_report[i]->noise_inter_report != NULL) {
free(cell_report[i]->noise_inter_report);
cell_report[i]->noise_inter_report = NULL;
@@ -723,8 +724,8 @@ int flexran_agent_mac_stats_reply(mid_t mod_id,
}
if (ue_report != NULL) {
if (report_config->nr_ue > 0) {
for (i = 0; i < report_config->nr_ue; i++) {
if (n_ue > 0) {
for (i = 0; i < n_ue; i++) {
if (ue_report[i]->bsr != NULL) {
free(ue_report[i]->bsr);
ue_report[i]->bsr = NULL;
openair2/ENB_APP/CONTROL_MODULES/MAC/flexran_agent_mac.h
+7 -1
View File
@@ -52,7 +52,13 @@ int flexran_agent_mac_sf_trigger(mid_t mod_id, const void *params, Protocol__Fle
int flexran_agent_mac_destroy_sf_trigger(Protocol__FlexranMessage *msg);
/* Statistics reply protocol message constructor and destructor */
int flexran_agent_mac_stats_reply(mid_t mod_id, const report_config_t *report_config, Protocol__FlexUeStatsReport **ue_report, Protocol__FlexCellStatsReport **cell_report);
int flexran_agent_mac_stats_reply(mid_t mod_id,
Protocol__FlexUeStatsReport **ue_report,
int n_ue,
uint32_t ue_flags,
Protocol__FlexCellStatsReport **cell_report,
int n_cc,
uint32_t cc_flags);
int flexran_agent_mac_destroy_stats_reply(Protocol__FlexStatsReply *reply);
/* DL MAC scheduling decision protocol message constructor (empty command) and destructor */
openair2/ENB_APP/CONTROL_MODULES/MAC/flexran_agent_mac_internal.h
-6
View File
@@ -61,12 +61,6 @@ err_code_t flexran_agent_init_cont_mac_stats_update(mid_t mod_id);
err_code_t flexran_agent_destroy_cont_mac_stats_update(mid_t mod_id);
/*Enable/Disable the continuous stats update service for the MAC*/
err_code_t flexran_agent_enable_cont_mac_stats_update(mid_t mod_id, xid_t xid,
stats_request_config_t *stats_req);
err_code_t flexran_agent_disable_cont_mac_stats_update(mid_t mod_id);
Protocol__FlexranMessage * flexran_agent_generate_diff_mac_stats_report(Protocol__FlexranMessage *new_report,
Protocol__FlexranMessage *old_report);
openair2/ENB_APP/CONTROL_MODULES/PDCP/flexran_agent_pdcp.c
+7 -21
View File
@@ -65,25 +65,17 @@ void flexran_agent_pdcp_aggregate_stats(const mid_t mod_id,
int flexran_agent_pdcp_stats_reply(mid_t mod_id,
const report_config_t *report_config,
Protocol__FlexUeStatsReport **ue_report,
Protocol__FlexCellStatsReport **cell_report) {
// Protocol__FlexHeader *header;
int i;
// int cc_id = 0;
/* Allocate memory for list of UE reports */
if (report_config->nr_ue > 0) {
Protocol__FlexUeStatsReport **ue_report,
int n_ue,
uint32_t ue_flags) {
if (n_ue > 0) {
for (i = 0; i < report_config->nr_ue; i++) {
const rnti_t rnti = report_config->ue_report_type[i].ue_rnti;
for (int i = 0; i < n_ue; i++) {
const rnti_t rnti = ue_report[i]->rnti;
const uint16_t uid = flexran_get_pdcp_uid_from_rnti(mod_id, rnti);
/* Check flag for creation of buffer status report */
if (report_config->ue_report_type[i].ue_report_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_PDCP_STATS) {
if (ue_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_PDCP_STATS) {
Protocol__FlexPdcpStats *pdcp_aggr_stats;
pdcp_aggr_stats = malloc(sizeof(Protocol__FlexPdcpStats));
@@ -129,12 +121,6 @@ int flexran_agent_pdcp_stats_reply(mid_t mod_id,
error:
LOG_W(FLEXRAN_AGENT, "Can't allocate PDCP stats\n");
/* if (cell_report != NULL)
free(cell_report);
if (ue_report != NULL)
free(ue_report);
*/
return -1;
}
openair2/ENB_APP/CONTROL_MODULES/PDCP/flexran_agent_pdcp.h
+3 -3
View File
@@ -48,9 +48,9 @@
/* Send to the controller all the pdcp stat updates that occured during this subframe*/
int flexran_agent_pdcp_stats_reply(mid_t mod_id,
const report_config_t *report_config,
Protocol__FlexUeStatsReport **ue_report,
Protocol__FlexCellStatsReport **cell_report);
Protocol__FlexUeStatsReport **ue_report,
int n_ue,
uint32_t ue_flags);
int flexran_agent_pdcp_destroy_stats_reply(Protocol__FlexStatsReply *reply);
/* Get the stats from RAN API and aggregate them per USER*/
openair2/ENB_APP/CONTROL_MODULES/RRC/flexran_agent_rrc.c
+16 -23
View File
@@ -380,18 +380,15 @@ void flexran_trigger_rrc_measurements (mid_t mod_id, LTE_MeasResults_t* measRes
int flexran_agent_rrc_stats_reply(mid_t mod_id,
const report_config_t *report_config,
Protocol__FlexUeStatsReport **ue_report,
Protocol__FlexCellStatsReport **cell_report) {
if (report_config->nr_ue > 0) {
rnti_t rntis[report_config->nr_ue];
flexran_get_rrc_rnti_list(mod_id, rntis, report_config->nr_ue);
for (int i = 0; i < report_config->nr_ue; i++) {
const rnti_t rnti = rntis[i];
Protocol__FlexUeStatsReport **ue_report,
int n_ue,
uint32_t ue_flags) {
if (n_ue > 0) {
for (int i = 0; i < n_ue; i++) {
const rnti_t rnti = ue_report[i]->rnti;
/* Check flag for creation of buffer status report */
if (report_config->ue_report_type[i].ue_report_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_RRC_MEASUREMENTS) {
if (ue_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_RRC_MEASUREMENTS) {
/*Source cell EUTRA Measurements*/
Protocol__FlexRrcMeasurements *rrc_measurements;
@@ -531,7 +528,7 @@ int flexran_agent_rrc_stats_reply(mid_t mod_id,
}
return 0;
error:
for (int i = 0; i < report_config->nr_ue; i++) {
for (int i = 0; i < n_ue; i++) {
if (ue_report[i]->rrc_measurements && ue_report[i]->rrc_measurements->neigh_meas != NULL) {
for (int j = 0; j < ue_report[i]->rrc_measurements->neigh_meas->n_eutra_meas; j++) {
free(ue_report[i]->rrc_measurements->neigh_meas->eutra_meas[j]);
@@ -540,8 +537,6 @@ int flexran_agent_rrc_stats_reply(mid_t mod_id,
}
}
if (cell_report != NULL)
free(cell_report);
if (ue_report != NULL)
free(ue_report);
return -1;
@@ -575,20 +570,18 @@ int flexran_agent_rrc_destroy_stats_reply(Protocol__FlexStatsReply *reply)
}
int flexran_agent_rrc_gtp_stats_reply(mid_t mod_id,
const report_config_t *report_config,
Protocol__FlexUeStatsReport **ue_report,
Protocol__FlexCellStatsReport **cell_report) {
Protocol__FlexUeStatsReport **ue_report,
int n_ue,
uint32_t ue_flags) {
/* This function fills the GTP part of the statistics. The necessary
* information is, for our purposes, completely maintained in the RRC layer.
* It would be possible to add a GTP module that handles this, though. */
if (report_config->nr_ue > 0) {
rnti_t rntis[report_config->nr_ue];
flexran_get_rrc_rnti_list(mod_id, rntis, report_config->nr_ue);
for (int i = 0; i < report_config->nr_ue; i++) {
const rnti_t rnti = rntis[i];
if (n_ue > 0) {
for (int i = 0; i < n_ue; i++) {
const rnti_t rnti = ue_report[i]->rnti;
/* Check flag for creation of buffer status report */
if (report_config->ue_report_type[i].ue_report_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_GTP_STATS) {
if (ue_flags & PROTOCOL__FLEX_UE_STATS_TYPE__FLUST_GTP_STATS) {
/* get number of rabs for this UE */
const int num_e_rab = flexran_agent_rrc_gtp_num_e_rab(mod_id, rnti);
@@ -618,7 +611,7 @@ int flexran_agent_rrc_gtp_stats_reply(mid_t mod_id,
}
return 0;
error:
for (int i = 0; i < report_config->nr_ue; i++) {
for (int i = 0; i < n_ue; i++) {
if (!ue_report[i]->gtp_stats) continue;
for (int r = 0; r < ue_report[i]->n_gtp_stats; ++r) {
if (ue_report[i]->gtp_stats[r]) {
openair2/ENB_APP/CONTROL_MODULES/RRC/flexran_agent_rrc.h
+8 -2
View File
@@ -57,12 +57,18 @@ int flexran_agent_destroy_ue_state_change(Protocol__FlexranMessage *msg);
void flexran_trigger_rrc_measurements (mid_t mod_id, LTE_MeasResults_t *);
/* Statistics reply protocol message constructor and destructor */
int flexran_agent_rrc_stats_reply(mid_t mod_id, const report_config_t *report_config, Protocol__FlexUeStatsReport **ue_report, Protocol__FlexCellStatsReport **cell_report);
int flexran_agent_rrc_stats_reply(mid_t mod_id,
Protocol__FlexUeStatsReport **ue_report,
int n_ue,
uint32_t ue_flags);
int flexran_agent_rrc_destroy_stats_reply(Protocol__FlexStatsReply *reply);
/* Statistic reply for GTP statistics which OAI stores also in the RRC layer.
* This might be moved to a separate GTP module in the future */
int flexran_agent_rrc_gtp_stats_reply(mid_t mod_id, const report_config_t *report_config, Protocol__FlexUeStatsReport **ue_report, Protocol__FlexCellStatsReport **cell_report);
int flexran_agent_rrc_gtp_stats_reply(mid_t mod_id,
Protocol__FlexUeStatsReport **ue_report,
int n_ue,
uint32_t ue_flags);
int flexran_agent_rrc_gtp_destroy_stats_reply(Protocol__FlexStatsReply *reply);
/* Fill the RRC part of a ue_config message */
openair2/ENB_APP/flexran_agent.c
-2
View File
@@ -202,8 +202,6 @@ int flexran_agent_start(mid_t mod_id)
*flexran_agent_register_channel(mod_id, channel, FLEXRAN_AGENT_MAC);
*/
/*Initialize the continuous stats update mechanism*/
flexran_agent_init_cont_stats_update(mod_id);
pthread_t t;
threadCreate(&t, receive_thread, flexran, "flexran", -1, OAI_PRIORITY_RT);
openair2/ENB_APP/flexran_agent_common.h
+3 -7
View File
@@ -153,21 +153,17 @@ Protocol__FlexranMessage* flexran_agent_handle_message (mid_t mod_id,
Protocol__FlexranMessage *flexran_agent_handle_timed_task(void *args);
/*Top level Statistics hanlder*/
Protocol__FlexranMessage *flexran_agent_send_stats_reply(void *args);
int flexran_agent_handle_stats(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg);
/* Function to be used to handle reply message . */
int flexran_agent_stats_reply(mid_t enb_id, xid_t xid, const report_config_t *report_config, Protocol__FlexranMessage **msg);
int flexran_agent_stats_reply(mid_t enb_id, xid_t xid, const Protocol__FlexStatsRequest *stats_req, Protocol__FlexranMessage **msg);
int flexran_agent_destroy_stats_reply(Protocol__FlexranMessage *msg);
/* Top level Statistics request protocol message constructor and destructor */
int flexran_agent_stats_request(mid_t mod_id, xid_t xid, const stats_request_config_t *report_config, Protocol__FlexranMessage **msg);
//int flexran_agent_stats_request(mid_t mod_id, xid_t xid, const stats_request_config_t *report_config, Protocol__FlexranMessage **msg);
int flexran_agent_destroy_stats_request(Protocol__FlexranMessage *msg);
err_code_t flexran_agent_init_cont_stats_update(mid_t mod_id);
err_code_t flexran_agent_enable_cont_stats_update(mid_t mod_id, xid_t xid, stats_request_config_t *stats_req) ;
err_code_t flexran_agent_disable_cont_stats_update(mid_t mod_id);
/* Handle a received eNB config reply message as an "order" to reconfigure. It
* does not come as a reconfiguration message as this is a "structured"
* ProtoBuf message (as opposed to "unstructured" YAML). There is no destructor
openair2/ENB_APP/flexran_agent_defs.h
-34
View File
@@ -193,38 +193,4 @@ typedef struct {
} agent_reconf_rrc;
/* These structs will be used to give
instructions for the type of stats reports
we need to create */
typedef struct {
uint16_t ue_rnti;
uint32_t ue_report_flags; /* Indicates the report elements
required for this UE id. See
FlexRAN specification 1.2.4.2 */
} ue_report_type_t;
typedef struct {
uint16_t cc_id;
uint32_t cc_report_flags; /* Indicates the report elements
required for this CC index. See
FlexRAN specification 1.2.4.3 */
} cc_report_type_t;
typedef struct {
int nr_ue;
ue_report_type_t *ue_report_type;
int nr_cc;
cc_report_type_t *cc_report_type;
} report_config_t;
typedef struct stats_request_config_s{
uint8_t report_type;
uint8_t report_frequency;
uint16_t period; /*In number of subframes*/
report_config_t *config;
} stats_request_config_t;
#endif
openair2/ENB_APP/flexran_agent_handler.c
+123 -355
View File
@@ -196,335 +196,186 @@ err_code_t flexran_agent_destroy_flexran_message(Protocol__FlexranMessage *msg)
/*
Top Level Statistics Report
*/
*/
int flexran_agent_handle_stats(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg){
// TODO: Must deal with sanitization of input
// TODO: Must check if RNTIs and cell ids of the request actually exist
// TODO: Must resolve conflicts among stats requests
int i;
err_code_t err_code = 0;
xid_t xid;
uint32_t usec_interval, sec_interval;
//TODO: We do not deal with multiple CCs at the moment and eNB id is 0
int enb_id = mod_id;
//eNB_MAC_INST *eNB = &eNB_mac_inst[enb_id];
//UE_list_t *eNB_UE_list= &eNB->UE_list;
report_config_t report_config;
uint32_t ue_flags = 0;
uint32_t c_flags = 0;
int flexran_agent_handle_stats(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg) {
*msg = NULL;
Protocol__FlexranMessage *input = (Protocol__FlexranMessage *)params;
Protocol__FlexStatsRequest *stats_req = input->stats_request_msg;
xid = (stats_req->header)->xid;
const xid_t xid = stats_req->header->xid;
// Check the type of request that is made
switch(stats_req->body_case) {
case PROTOCOL__FLEX_STATS_REQUEST__BODY_COMPLETE_STATS_REQUEST: ;
Protocol__FlexCompleteStatsRequest *comp_req = stats_req->complete_stats_request;
if (comp_req->report_frequency == PROTOCOL__FLEX_STATS_REPORT_FREQ__FLSRF_OFF) {
/*Disable both periodic and continuous updates*/
// flexran_agent_disable_cont_stats_update(mod_id);
flexran_agent_destroy_timer_by_task_id(xid);
*msg = NULL;
return 0;
} else { //One-off, periodical or continuous reporting
//Set the proper flags
ue_flags = comp_req->ue_report_flags;
c_flags = comp_req->cell_report_flags;
//Create a list of all eNB RNTIs and cells
if (stats_req->body_case != PROTOCOL__FLEX_STATS_REQUEST__BODY_COMPLETE_STATS_REQUEST) {
LOG_E(FLEXRAN_AGENT, "only complete stats are supported at the moment\n");
return -1;
}
Protocol__FlexCompleteStatsRequest *comp_req = stats_req->complete_stats_request;
flexran_agent_timer_args_t *timer_args = NULL;
//Set the number of UEs and create list with their RNTIs stats configs
report_config.nr_ue = 0;
if (flexran_agent_get_rrc_xface(mod_id))
report_config.nr_ue = flexran_get_rrc_num_ues(mod_id);
else if (flexran_agent_get_mac_xface(mod_id))
report_config.nr_ue = flexran_get_mac_num_ues(mod_id);
if (flexran_agent_get_rrc_xface(mod_id) && flexran_agent_get_mac_xface(mod_id)
&& flexran_get_rrc_num_ues(mod_id) != flexran_get_mac_num_ues(mod_id)) {
const int nrrc = flexran_get_rrc_num_ues(mod_id);
const int nmac = flexran_get_mac_num_ues(mod_id);
report_config.nr_ue = nrrc < nmac ? nrrc : nmac;
LOG_E(FLEXRAN_AGENT, "%s(): different numbers of UEs in RRC (%d) and MAC (%d), reporting for %d UEs\n",
__func__, nrrc, nmac, report_config.nr_ue);
}
report_config.ue_report_type = malloc(sizeof(ue_report_type_t) * report_config.nr_ue);
if (report_config.ue_report_type == NULL) {
// TODO: Add appropriate error code
err_code = -100;
goto error;
}
if (flexran_agent_get_rrc_xface(mod_id)) {
rnti_t rntis[report_config.nr_ue];
flexran_get_rrc_rnti_list(mod_id, rntis, report_config.nr_ue);
for (i = 0; i < report_config.nr_ue; i++) {
report_config.ue_report_type[i].ue_rnti = rntis[i];
report_config.ue_report_type[i].ue_report_flags = ue_flags;
}
}
if (flexran_agent_get_mac_xface(mod_id) && !flexran_agent_get_rrc_xface(mod_id)) {
for (i = 0; i < report_config.nr_ue; i++) {
const int UE_id = flexran_get_mac_ue_id(mod_id, i);
report_config.ue_report_type[i].ue_rnti = flexran_get_mac_ue_crnti(enb_id, UE_id);
report_config.ue_report_type[i].ue_report_flags = ue_flags;
}
}
//Set the number of CCs and create a list with the cell stats configs
report_config.nr_cc = MAX_NUM_CCs;
report_config.cc_report_type = malloc(sizeof(cc_report_type_t) * report_config.nr_cc);
if (report_config.cc_report_type == NULL) {
// TODO: Add appropriate error code
err_code = -100;
goto error;
}
for (i = 0; i < report_config.nr_cc; i++) {
//TODO: Must fill in the proper cell ids
report_config.cc_report_type[i].cc_id = i;
report_config.cc_report_type[i].cc_report_flags = c_flags;
}
/* Check if request was periodical */
if (comp_req->report_frequency == PROTOCOL__FLEX_STATS_REPORT_FREQ__FLSRF_PERIODICAL) {
/* Create a one off flexran message as an argument for the periodical task */
Protocol__FlexranMessage *timer_msg = NULL;
stats_request_config_t request_config;
request_config.report_type = PROTOCOL__FLEX_STATS_TYPE__FLST_COMPLETE_STATS;
request_config.report_frequency = PROTOCOL__FLEX_STATS_REPORT_FREQ__FLSRF_ONCE;
request_config.period = 0;
/* Need to make sure that the ue flags are saved (Bug) */
if (report_config.nr_ue == 0) {
report_config.nr_ue = 1;
report_config.ue_report_type = malloc(sizeof(ue_report_type_t));
if (report_config.ue_report_type == NULL) {
// TODO: Add appropriate error code
err_code = -100;
goto error;
}
report_config.ue_report_type[0].ue_rnti = 0; // Dummy value
report_config.ue_report_type[0].ue_report_flags = ue_flags;
}
request_config.config = &report_config;
if (flexran_agent_stats_request(enb_id, xid, &request_config, &timer_msg) == -1) {
err_code = -100;
goto error;
}
/* Create a timer */
long timer_id = 0;
flexran_agent_timer_args_t *timer_args = malloc(sizeof(flexran_agent_timer_args_t));
memset (timer_args, 0, sizeof(flexran_agent_timer_args_t));
timer_args->mod_id = enb_id;
timer_args->msg = timer_msg;
/*Convert subframes to usec time*/
usec_interval = 1000*comp_req->sf;
sec_interval = 0;
/*add seconds if required*/
if (usec_interval >= 1000*1000) {
sec_interval = usec_interval/(1000*1000);
usec_interval = usec_interval%(1000*1000);
}
flexran_agent_create_timer(sec_interval, usec_interval, FLEXRAN_AGENT_DEFAULT,
enb_id, FLEXRAN_AGENT_TIMER_TYPE_PERIODIC, xid,
flexran_agent_handle_timed_task,(void*) timer_args, &timer_id);
} else if (comp_req->report_frequency == PROTOCOL__FLEX_STATS_REPORT_FREQ__FLSRF_CONTINUOUS) {
/*If request was for continuous updates, disable the previous configuration and
set up a new one*/
flexran_agent_disable_cont_stats_update(mod_id);
stats_request_config_t request_config;
request_config.report_type = PROTOCOL__FLEX_STATS_TYPE__FLST_COMPLETE_STATS;
request_config.report_frequency = PROTOCOL__FLEX_STATS_REPORT_FREQ__FLSRF_ONCE;
request_config.period = 0;
/* Need to make sure that the ue flags are saved (Bug) */
if (report_config.nr_ue == 0) {
report_config.nr_ue = 1;
report_config.ue_report_type = malloc(sizeof(ue_report_type_t));
if (report_config.ue_report_type == NULL) {
// TODO: Add appropriate error code
err_code = -100;
goto error;
}
report_config.ue_report_type[0].ue_rnti = 0; // Dummy value
report_config.ue_report_type[0].ue_report_flags = ue_flags;
}
request_config.config = &report_config;
flexran_agent_enable_cont_stats_update(enb_id, xid, &request_config);
}
}
break;
case PROTOCOL__FLEX_STATS_REQUEST__BODY_CELL_STATS_REQUEST:;
Protocol__FlexCellStatsRequest *cell_req = stats_req->cell_stats_request;
// UE report config will be blank
report_config.nr_ue = 0;
report_config.ue_report_type = NULL;
report_config.nr_cc = cell_req->n_cell;
report_config.cc_report_type = malloc(sizeof(cc_report_type_t) * report_config.nr_cc);
if (report_config.cc_report_type == NULL) {
// TODO: Add appropriate error code
err_code = -100;
goto error;
}
for (i = 0; i < report_config.nr_cc; i++) {
//TODO: Must fill in the proper cell ids
report_config.cc_report_type[i].cc_id = cell_req->cell[i];
report_config.cc_report_type[i].cc_report_flags = cell_req->flags;
}
break;
case PROTOCOL__FLEX_STATS_REQUEST__BODY_UE_STATS_REQUEST:;
Protocol__FlexUeStatsRequest *ue_req = stats_req->ue_stats_request;
// Cell report config will be blank
report_config.nr_cc = 0;
report_config.cc_report_type = NULL;
report_config.nr_ue = ue_req->n_rnti;
report_config.ue_report_type = malloc(sizeof(ue_report_type_t) * report_config.nr_ue);
if (report_config.ue_report_type == NULL) {
// TODO: Add appropriate error code
err_code = -100;
goto error;
}
for (i = 0; i < report_config.nr_ue; i++) {
const int UE_id = flexran_get_mac_ue_id(mod_id, i);
report_config.ue_report_type[i].ue_rnti = ue_req->rnti[UE_id];
report_config.ue_report_type[i].ue_report_flags = ue_req->flags;
}
break;
switch (comp_req->report_frequency) {
case PROTOCOL__FLEX_STATS_REPORT_FREQ__FLSRF_OFF:
flexran_agent_destroy_timer_by_task_id(xid);
return 0;
case PROTOCOL__FLEX_STATS_REPORT_FREQ__FLSRF_ONCE:
LOG_E(FLEXRAN_AGENT, "one-shot timer not implemented yet\n");
return -1;
case PROTOCOL__FLEX_STATS_REPORT_FREQ__FLSRF_PERIODICAL:
/* Create a one off flexran message as an argument for the periodical task */
timer_args = calloc(1, sizeof(flexran_agent_timer_args_t));
AssertFatal(timer_args, "cannot allocate memory for timer\n");
timer_args->mod_id = mod_id;
timer_args->msg = input;
flexran_agent_create_timer(mod_id, comp_req->sf,
FLEXRAN_AGENT_TIMER_TYPE_PERIODIC, xid,
flexran_agent_send_stats_reply, timer_args);
/* return 1: do not dispose comp_req message we received, we still need it */
return 1;
case PROTOCOL__FLEX_STATS_REPORT_FREQ__FLSRF_CONTINUOUS:
LOG_E(FLEXRAN_AGENT, "unsupported report frequency continuous\n");
return -1;
default:
//TODO: Add appropriate error code
err_code = -100;
goto error;
LOG_E(FLEXRAN_AGENT, "unknown report frequency\n");
return -1;
}
if (flexran_agent_stats_reply(enb_id, xid, &report_config, msg )) {
err_code = PROTOCOL__FLEXRAN_ERR__MSG_BUILD;
goto error;
}
if (report_config.ue_report_type)
free(report_config.ue_report_type);
if (report_config.cc_report_type)
free(report_config.cc_report_type);
return 0;
error :
LOG_E(FLEXRAN_AGENT, "%s(): errno %d occured\n", __func__, err_code);
return err_code;
}
/*
Top level reply
*/
Protocol__FlexranMessage *flexran_agent_send_stats_reply(void *args) {
const flexran_agent_timer_args_t *timer_args = args;
const mid_t enb_id = timer_args->mod_id;
const Protocol__FlexranMessage *input = (Protocol__FlexranMessage *)timer_args->msg;
const Protocol__FlexStatsRequest *stats_req = input->stats_request_msg;
const xid_t xid = stats_req->header->xid;
int flexran_agent_stats_reply(mid_t enb_id, xid_t xid, const report_config_t *report_config, Protocol__FlexranMessage **msg){
Protocol__FlexranMessage *reply = NULL;
err_code_t rc = flexran_agent_stats_reply(enb_id, xid, stats_req, &reply);
if (rc < 0) {
LOG_E(FLEXRAN_AGENT, "%s(): errno %d occured, cannot send stats_reply\n",
__func__, rc);
return NULL;
}
return reply;
}
int flexran_agent_stats_reply(mid_t enb_id,
xid_t xid,
const Protocol__FlexStatsRequest *stats_req,
Protocol__FlexranMessage **msg) {
Protocol__FlexHeader *header = NULL;
Protocol__FlexUeStatsReport **ue_report = NULL;
Protocol__FlexCellStatsReport **cell_report = NULL;
Protocol__FlexStatsReply *stats_reply_msg = NULL;
err_code_t err_code = PROTOCOL__FLEXRAN_ERR__UNEXPECTED;
int i,j;
AssertFatal(stats_req->body_case == PROTOCOL__FLEX_STATS_REQUEST__BODY_COMPLETE_STATS_REQUEST,
"%s() handles only complete stats requests\n",
__func__);
const uint32_t cell_flags = stats_req->complete_stats_request->cell_report_flags;
const uint32_t ue_flags = stats_req->complete_stats_request->ue_report_flags;
if (flexran_create_header(xid, PROTOCOL__FLEX_TYPE__FLPT_STATS_REPLY, &header) != 0) {
goto error;
/* TODO: get_number in own function */
int n_ue = 0;
if (flexran_agent_get_rrc_xface(enb_id))
n_ue = flexran_get_rrc_num_ues(enb_id);
else if (flexran_agent_get_mac_xface(enb_id))
n_ue = flexran_get_mac_num_ues(enb_id);
if (flexran_agent_get_rrc_xface(enb_id) && flexran_agent_get_mac_xface(enb_id)
&& flexran_get_rrc_num_ues(enb_id) != flexran_get_mac_num_ues(enb_id)) {
const int nrrc = flexran_get_rrc_num_ues(enb_id);
const int nmac = flexran_get_mac_num_ues(enb_id);
n_ue = nrrc < nmac ? nrrc : nmac;
LOG_E(FLEXRAN_AGENT, "%s(): different numbers of UEs in RRC (%d) and MAC (%d), reporting for %d UEs\n",
__func__, nrrc, nmac, n_ue);
}
stats_reply_msg = malloc(sizeof(Protocol__FlexStatsReply));
if (stats_reply_msg == NULL) {
goto error;
rnti_t rntis[n_ue];
if (flexran_agent_get_rrc_xface(enb_id))
flexran_get_rrc_rnti_list(enb_id, rntis, n_ue);
if (flexran_agent_get_mac_xface(enb_id) && !flexran_agent_get_rrc_xface(enb_id)) {
for (int i = 0; i < n_ue; i++) {
const int UE_id = flexran_get_mac_ue_id(enb_id, i);
rntis[i] = flexran_get_mac_ue_crnti(enb_id, UE_id);
}
}
protocol__flex_stats_reply__init(stats_reply_msg);
stats_reply_msg->header = header;
stats_reply_msg->n_ue_report = report_config->nr_ue;
stats_reply_msg->n_cell_report = report_config->nr_cc;
// UE report
ue_report = malloc(sizeof(Protocol__FlexUeStatsReport *) * report_config->nr_ue);
int n_cc = MAX_NUM_CCs;
ue_report = calloc(n_ue, sizeof(Protocol__FlexUeStatsReport *));
if (ue_report == NULL) {
goto error;
}
for (i = 0; i < report_config->nr_ue; i++) {
ue_report[i] = malloc(sizeof(Protocol__FlexUeStatsReport));
if (ue_report[i] == NULL) {
goto error;
}
protocol__flex_ue_stats_report__init(ue_report[i]);
ue_report[i]->rnti = report_config->ue_report_type[i].ue_rnti;
ue_report[i]->has_rnti = 1;
ue_report[i]->has_flags = 1; /* actual flags are filled in the CMs below */
for (int i = 0; i < n_ue; i++) {
ue_report[i] = malloc(sizeof(Protocol__FlexUeStatsReport));
if (ue_report[i] == NULL) {
goto error;
}
protocol__flex_ue_stats_report__init(ue_report[i]);
ue_report[i]->rnti = rntis[i];
ue_report[i]->has_rnti = 1;
ue_report[i]->has_flags = 1; /* actual flags are filled in the CMs below */
}
// cell rpoert
cell_report = malloc(sizeof(Protocol__FlexCellStatsReport *) * report_config->nr_cc);
cell_report = calloc(n_cc, sizeof(Protocol__FlexCellStatsReport *));
if (cell_report == NULL) {
goto error;
}
for (i = 0; i < report_config->nr_cc; i++) {
cell_report[i] = malloc(sizeof(Protocol__FlexCellStatsReport));
if(cell_report[i] == NULL) {
goto error;
}
protocol__flex_cell_stats_report__init(cell_report[i]);
cell_report[i]->carrier_index = report_config->cc_report_type[i].cc_id;
cell_report[i]->has_carrier_index = 1;
cell_report[i]->has_flags = 1; /* actual flags are filled in the CMs below */
for (int i = 0; i < n_cc; i++) {
cell_report[i] = malloc(sizeof(Protocol__FlexCellStatsReport));
if(cell_report[i] == NULL) {
goto error;
}
protocol__flex_cell_stats_report__init(cell_report[i]);
cell_report[i]->carrier_index = i;
cell_report[i]->has_carrier_index = 1;
cell_report[i]->has_flags = 1; /* actual flags are filled in the CMs below */
}
/* MAC reply split */
if (flexran_agent_get_mac_xface(enb_id)
&& flexran_agent_mac_stats_reply(enb_id, report_config, ue_report, cell_report) < 0) {
&& flexran_agent_mac_stats_reply(enb_id,
ue_report, n_ue, ue_flags,
cell_report, n_cc, cell_flags) < 0) {
err_code = PROTOCOL__FLEXRAN_ERR__MSG_BUILD;
goto error;
}
/* RRC reply split */
if (flexran_agent_get_rrc_xface(enb_id)
&& flexran_agent_rrc_stats_reply(enb_id, report_config, ue_report, cell_report) < 0) {
&& flexran_agent_rrc_stats_reply(enb_id, ue_report, n_ue, ue_flags) < 0) {
err_code = PROTOCOL__FLEXRAN_ERR__MSG_BUILD;
goto error;
}
/* PDCP reply split */
if (flexran_agent_get_pdcp_xface(enb_id)
&& flexran_agent_pdcp_stats_reply(enb_id, report_config, ue_report, cell_report) < 0) {
&& flexran_agent_pdcp_stats_reply(enb_id, ue_report, n_ue, ue_flags) < 0) {
err_code = PROTOCOL__FLEXRAN_ERR__MSG_BUILD;
goto error;
}
/* GTP reply split, currently performed through RRC module */
if (flexran_agent_get_rrc_xface(enb_id)
&& flexran_agent_rrc_gtp_stats_reply(enb_id, report_config, ue_report, cell_report) < 0) {
&& flexran_agent_rrc_gtp_stats_reply(enb_id, ue_report, n_ue, ue_flags) < 0) {
err_code = PROTOCOL__FLEXRAN_ERR__MSG_BUILD;
goto error;
}
stats_reply_msg->cell_report = cell_report;
stats_reply_msg->ue_report = ue_report;
*msg = malloc(sizeof(Protocol__FlexranMessage));
if(*msg == NULL) {
if (flexran_create_header(xid, PROTOCOL__FLEX_TYPE__FLPT_STATS_REPLY, &header) != 0) {
goto error;
}
stats_reply_msg = malloc(sizeof(Protocol__FlexStatsReply));
AssertFatal(stats_reply_msg, "no memory for stats_reply_msg\n");
protocol__flex_stats_reply__init(stats_reply_msg);
stats_reply_msg->header = header;
stats_reply_msg->n_ue_report = n_ue;
stats_reply_msg->ue_report = ue_report;
stats_reply_msg->n_cell_report = n_cc;
stats_reply_msg->cell_report = cell_report;
*msg = malloc(sizeof(Protocol__FlexranMessage));
AssertFatal(*msg, "no memory for stats_reply container msg\n");
protocol__flexran_message__init(*msg);
(*msg)->msg_case = PROTOCOL__FLEXRAN_MESSAGE__MSG_STATS_REPLY_MSG;
(*msg)->msg_dir = PROTOCOL__FLEXRAN_DIRECTION__SUCCESSFUL_OUTCOME;
@@ -546,7 +397,7 @@ error :
}
if (ue_report != NULL) {
for (j = 0; j < report_config->nr_ue; j++) {
for (int j = 0; j < n_ue; j++) {
if (ue_report[j] != NULL) {
free(ue_report[j]);
}
@@ -556,7 +407,7 @@ error :
}
if (cell_report != NULL) {
for (j = 0; j < report_config->nr_cc; j++) {
for (int j = 0; j < n_cc; j++) {
if (cell_report[j] != NULL) {
free(cell_report[j]);
}
@@ -572,6 +423,7 @@ error :
Top Level Request
*/
/*
int flexran_agent_stats_request(mid_t mod_id,
xid_t xid,
const stats_request_config_t *report_config,
@@ -678,6 +530,7 @@ int flexran_agent_stats_request(mid_t mod_id,
//LOG_E(MAC, "%s: an error occured\n", __FUNCTION__);
return -1;
}
*/
int flexran_agent_destroy_stats_request(Protocol__FlexranMessage *msg) {
if(msg->msg_case != PROTOCOL__FLEXRAN_MESSAGE__MSG_STATS_REQUEST_MSG)
@@ -719,88 +572,3 @@ int flexran_agent_destroy_stats_reply(Protocol__FlexranMessage *msg)
free(msg);
return 0;
}
err_code_t flexran_agent_disable_cont_stats_update(mid_t mod_id) {
/*Disable the continuous updates for the MAC*/
if (pthread_mutex_lock(stats_context[mod_id].mutex)) {
goto error;
}
stats_context[mod_id].cont_update = 0;
stats_context[mod_id].xid = 0;
if (stats_context[mod_id].stats_req != NULL) {
flexran_agent_destroy_flexran_message(stats_context[mod_id].stats_req);
}
if (stats_context[mod_id].prev_stats_reply != NULL) {
flexran_agent_destroy_flexran_message(stats_context[mod_id].prev_stats_reply);
}
if (pthread_mutex_unlock(stats_context[mod_id].mutex)) {
goto error;
}
return 0;
error:
LOG_E(FLEXRAN_AGENT, "stats_context for eNB %d is not initialized\n", mod_id);
return -1;
}
err_code_t flexran_agent_enable_cont_stats_update(mid_t mod_id,
xid_t xid, stats_request_config_t *stats_req) {
if (pthread_mutex_lock(stats_context[mod_id].mutex)) {
goto error;
}
Protocol__FlexranMessage *req_msg = NULL;
flexran_agent_stats_request(mod_id, xid, stats_req, &req_msg);
if (req_msg != NULL) {
stats_context[mod_id].stats_req = req_msg;
stats_context[mod_id].prev_stats_reply = NULL;
stats_context[mod_id].cont_update = 1;
stats_context[mod_id].xid = xid;
}
if (pthread_mutex_unlock(stats_context[mod_id].mutex)) {
goto error;
}
return 0;
error:
LOG_E(FLEXRAN_AGENT, "stats_context for eNB %d is not initialized\n", mod_id);
return -1;
}
err_code_t flexran_agent_init_cont_stats_update(mid_t mod_id) {
/*Initially the continuous update is set to false*/
stats_context[mod_id].cont_update = 0;
stats_context[mod_id].is_initialized = 1;
stats_context[mod_id].stats_req = NULL;
stats_context[mod_id].prev_stats_reply = NULL;
stats_context[mod_id].mutex = calloc(1, sizeof(pthread_mutex_t));
if (stats_context[mod_id].mutex == NULL)
goto error;
if (pthread_mutex_init(stats_context[mod_id].mutex, NULL) != 0)
goto error;
return 0;
error:
return -1;
}
err_code_t flexran_agent_destroy_cont_stats_update(mid_t mod_id) {
stats_context[mod_id].cont_update = 0;
stats_context[mod_id].is_initialized = 0;
flexran_agent_destroy_flexran_message(stats_context[mod_id].stats_req);
flexran_agent_destroy_flexran_message(stats_context[mod_id].prev_stats_reply);
free(stats_context[mod_id].mutex);
return 1;
}
openair2/ENB_APP/flexran_agent_timer.c
+23 -23
View File
@@ -58,48 +58,48 @@ int flexran_agent_compare_timer(struct flexran_agent_timer_element_s *a, struct
return 0;
}
err_code_t flexran_agent_create_timer(uint32_t interval_sec,
uint32_t interval_usec,
agent_id_t agent_id,
instance_t instance,
err_code_t flexran_agent_create_timer(mid_t mod_id,
uint32_t sf,
uint32_t timer_type,
xid_t xid,
xid_t xid,
flexran_agent_timer_callback_t cb,
void *timer_args,
long *timer_id) {
struct flexran_agent_timer_element_s *e = calloc(1, sizeof(*e));
DevAssert(e != NULL);
//uint32_t timer_id;
void *timer_args) {
int ret=-1;
if ((interval_sec == 0) && (interval_usec == 0 )) {
free(e);
if (sf <= 0)
return TIMER_NULL;
}
if (timer_type >= FLEXRAN_AGENT_TIMER_TYPE_MAX) {
free(e);
if (timer_type >= FLEXRAN_AGENT_TIMER_TYPE_MAX)
return TIMER_TYPE_INVALIDE;
}
uint32_t interval_usec = sf * 1000;
uint32_t interval_sec = 0;
if (interval_usec >= 1000 * 1000) {
interval_sec = interval_usec / (1000 * 1000);
interval_usec = interval_usec % (1000 * 1000);
}
struct flexran_agent_timer_element_s *e = calloc(1, sizeof(*e));
DevAssert(e != NULL);
long timer_id = 0;
AssertFatal(e, "cannot allocate memory for FlexRAN timer!\n");
if (timer_type == FLEXRAN_AGENT_TIMER_TYPE_ONESHOT) {
ret = timer_setup(interval_sec,
interval_usec,
TASK_FLEXRAN_AGENT,
instance,
mod_id,
TIMER_ONE_SHOT,
timer_args,
timer_id);
&timer_id);
e->type = TIMER_ONE_SHOT;
} else if (timer_type == FLEXRAN_AGENT_TIMER_TYPE_PERIODIC ) {
ret = timer_setup(interval_sec,
interval_usec,
TASK_FLEXRAN_AGENT,
instance,
mod_id,
TIMER_PERIODIC,
timer_args,
timer_id);
&timer_id);
e->type = TIMER_PERIODIC;
}
@@ -108,10 +108,10 @@ err_code_t flexran_agent_create_timer(uint32_t interval_sec,
return TIMER_SETUP_FAILED;
}
e->agent_id = agent_id;
e->instance = instance;
e->agent_id = mod_id;
e->instance = mod_id;
e->state = FLEXRAN_AGENT_TIMER_STATE_ACTIVE;
e->timer_id = *timer_id;
e->timer_id = timer_id;
e->xid = xid;
e->timer_args = timer_args;
e->cb = cb;
openair2/ENB_APP/flexran_agent_timer.h
+7 -11
View File
@@ -89,17 +89,13 @@ typedef struct flexran_agent_timer_instance_s{
err_code_t flexran_agent_init_timer(void);
/* Create a timer for some agent related event with id xid. Will store the id
of the generated timer in timer_id */
err_code_t flexran_agent_create_timer(uint32_t interval_sec,
uint32_t interval_usec,
agent_id_t agent_id,
instance_t instance,
uint32_t timer_type,
xid_t xid,
flexran_agent_timer_callback_t cb,
void* timer_args,
long *timer_id);
/* Create a timer for some agent related event with id xid. */
err_code_t flexran_agent_create_timer(mid_t mod_id,
uint32_t sf,
uint32_t timer_type,
xid_t xid,
flexran_agent_timer_callback_t cb,
void *timer_args);
/* Destroy all existing timers */
err_code_t flexran_agent_destroy_timers(void);