/*--------------------------------------------------------------------------------
* Function: wban_up0_traffic_generate
*
* Description: creates a MSDU requiring acknowledge based on the MSDU generation
* specifications of the source model and sends it to the lower layer.
*
* No parameters
*--------------------------------------------------------------------------------*/
static void wban_up0_traffic_generate() {
Packet* msdu_ptr;
Packet* app_traffic_ptr;
int msdu_size; /* size in bits */
double next_intarr_time; /* interarrival time of next MSDU */
double abs_next_intarr_time; /* absolute interarrival time of next MSDU */
/* Stack tracing enrty point */
FIN (wban_up0_traffic_generate);
/* Generate a MSDU size outcome. */
msdu_size = (int) ceil (oms_dist_outcome (up0_msdu_size_dist_ptr));
/* 0 <= MAC frame body <= pMaxFrameBodyLength_Bits */
if (msdu_size > pMaxFrameBodyLength_Bits)
msdu_size = pMaxFrameBodyLength_Bits; /* The size of generated MSDU is bigger than the maximum - the size is set to the maximum. */
if (msdu_size < 0)
msdu_size = 0;
/* We produce unformatted packets. Create one. */
msdu_ptr = op_pk_create (msdu_size);
/* create a App traffic frame that encapsulates the msdu packet */
app_traffic_ptr = op_pk_create_fmt ("wban_app_traffic_format");
/* increment the data sequence number by 1 at a time */
dataSN = (dataSN + 1) % 32768;
op_pk_nfd_set (app_traffic_ptr, "App Sequence Number", dataSN);
op_pk_nfd_set (app_traffic_ptr, "User Priority", 0);
op_pk_nfd_set_pkt (app_traffic_ptr, "MSDU Payload", msdu_ptr); // wrap msdu in app traffic
/* schedule next MSDU generation */
next_intarr_time = oms_dist_outcome (up0_msdu_interarrival_dist_ptr);
/* Make sure that interarrival time is not negative. In that case it will be set to 0. */
if (next_intarr_time <0)
next_intarr_time = 0.0;
abs_next_intarr_time = op_sim_time () + next_intarr_time;
// printf(" [Node %s] t = %f, msdu_create_time = %f, app_pkt_create_time = %f\n", \
// node_name, op_sim_time(), op_pk_creation_time_get(msdu_ptr), op_pk_creation_time_get(app_traffic_ptr));
/* send the App traffic via the stream to the lower layer. */
op_pk_send (app_traffic_ptr, STRM_FROM_UP_TO_MAC);
// printf (" [Node %s] t= %f -> UP7 MSDU (size = %d bits) \
// was generated and sent to MAC layer.\n", node_name, op_sim_time(), msdu_size);
if ((abs_next_intarr_time <= up0_stop_time) || (up0_stop_time == SC_INFINITE_TIME)) {
up0_next_msdu_evh = op_intrpt_schedule_self (abs_next_intarr_time, SC_GENERATE_UP0);
// printf ("\t Next UP0 MSDU will be generated at %f\n\n", abs_next_intarr_time);
}
/* Stack tracing exit point */
FOUT;
}
void ra_aloha_ss_sche_retx(double time_offset)
{
static int retx_times = 0;
FIN(ra_aloha_ss_sche_retx);
op_intrpt_schedule_self(Cur_Time+time_offset, TR_RETX);
if (retx_times++ > max_retx_times) {
errh_print(Err_Cause_Max_Retx_Exceed);
};
FOUT;
}
/*--------------------------------------------------------------------------------
* Function: wban_source_init
*
* Description: - initialize the process
* - read the values of source attributes
* - schedule a self interrupt that will indicate start time
* for MSDU generation
*
* No parameters
*--------------------------------------------------------------------------------*/
static void wban_source_init() {
Objid own_id; /* Object ID of the surrounding processor or queue */
Objid traffic_source_comp_id;
Objid traffic_source_id;
char device_mode[20]; /* mode of the device: Hub or Node */
double temp;
/* Stack tracing enrty point */
FIN(wban_source_init);
/* obtain self object ID of the surrounding processor or queue */
own_id = op_id_self ();
/* obtain object ID of the parent object (node) */
parent_id = op_topo_parent (own_id);
/* set the initial number of sequence number to 0 */
dataSN = 0;
/* get the value to check if this node is PAN coordinator or not */
op_ima_obj_attr_get (parent_id, "Device Mode", device_mode);
/* get destination ID */
op_ima_obj_attr_get (own_id, "Destination ID", &destination_id);
/* get the name of the node */
op_ima_obj_attr_get (parent_id, "name", node_name);
printf("%s User Priority Traffic initialization.\n", node_name);
op_ima_obj_attr_get (own_id, "User Priority 7 Traffic Parameters", &traffic_source_id);
traffic_source_comp_id = op_topo_child (traffic_source_id, OPC_OBJTYPE_GENERIC, 0);
/* Read the values of the up7-MSDU generation parameters, i.e. the attribute values of the surrounding module. */
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Interval Time", up7_msdu_interarrival_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Size", up7_msdu_size_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "Start Time", &up7_start_time);
op_ima_obj_attr_get (traffic_source_comp_id, "Stop Time", &up7_stop_time);
op_ima_obj_attr_get (own_id, "User Priority 6 Traffic Parameters", &traffic_source_id);
traffic_source_comp_id = op_topo_child (traffic_source_id, OPC_OBJTYPE_GENERIC, 0);
/* Read the values of the up6-MSDU generation parameters, i.e. the attribute values of the surrounding module. */
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Interval Time", up6_msdu_interarrival_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Size", up6_msdu_size_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "Start Time", &up6_start_time);
op_ima_obj_attr_get (traffic_source_comp_id, "Stop Time", &up6_stop_time);
op_ima_obj_attr_get (own_id, "User Priority 5 Traffic Parameters", &traffic_source_id);
traffic_source_comp_id = op_topo_child (traffic_source_id, OPC_OBJTYPE_GENERIC, 0);
/* Read the values of the up5-MSDU generation parameters, i.e. the attribute values of the surrounding module. */
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Interval Time", up5_msdu_interarrival_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Size", up5_msdu_size_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "Start Time", &up5_start_time);
op_ima_obj_attr_get (traffic_source_comp_id, "Stop Time", &up5_stop_time);
op_ima_obj_attr_get (own_id, "User Priority 4 Traffic Parameters", &traffic_source_id);
traffic_source_comp_id = op_topo_child (traffic_source_id, OPC_OBJTYPE_GENERIC, 0);
/* Read the values of the up4-MSDU generation parameters, i.e. the attribute values of the surrounding module. */
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Interval Time", up4_msdu_interarrival_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Size", up4_msdu_size_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "Start Time", &up4_start_time);
op_ima_obj_attr_get (traffic_source_comp_id, "Stop Time", &up4_stop_time);
op_ima_obj_attr_get (own_id, "User Priority 3 Traffic Parameters", &traffic_source_id);
traffic_source_comp_id = op_topo_child (traffic_source_id, OPC_OBJTYPE_GENERIC, 0);
/* Read the values of the up3-MSDU generation parameters, i.e. the attribute values of the surrounding module. */
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Interval Time", up3_msdu_interarrival_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Size", up3_msdu_size_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "Start Time", &up3_start_time);
op_ima_obj_attr_get (traffic_source_comp_id, "Stop Time", &up3_stop_time);
op_ima_obj_attr_get (own_id, "User Priority 2 Traffic Parameters", &traffic_source_id);
traffic_source_comp_id = op_topo_child (traffic_source_id, OPC_OBJTYPE_GENERIC, 0);
/* Read the values of the up2-MSDU generation parameters, i.e. the attribute values of the surrounding module. */
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Interval Time", up2_msdu_interarrival_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Size", up2_msdu_size_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "Start Time", &up2_start_time);
op_ima_obj_attr_get (traffic_source_comp_id, "Stop Time", &up2_stop_time);
op_ima_obj_attr_get (own_id, "User Priority 1 Traffic Parameters", &traffic_source_id);
traffic_source_comp_id = op_topo_child (traffic_source_id, OPC_OBJTYPE_GENERIC, 0);
/* Read the values of the up1-MSDU generation parameters, i.e. the attribute values of the surrounding module. */
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Interval Time", up1_msdu_interarrival_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Size", up1_msdu_size_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "Start Time", &up1_start_time);
op_ima_obj_attr_get (traffic_source_comp_id, "Stop Time", &up1_stop_time);
op_ima_obj_attr_get (own_id, "User Priority 0 Traffic Parameters", &traffic_source_id);
traffic_source_comp_id = op_topo_child (traffic_source_id, OPC_OBJTYPE_GENERIC, 0);
/* Read the values of the up0-MSDU generation parameters, i.e. the attribute values of the surrounding module. */
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Interval Time", up0_msdu_interarrival_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "MSDU Size", up0_msdu_size_dist_str);
op_ima_obj_attr_get (traffic_source_comp_id, "Start Time", &up0_start_time);
op_ima_obj_attr_get (traffic_source_comp_id, "Stop Time", &up0_stop_time);
/* if you are Hub do not send packets itself */
if ((strcmp(device_mode, "Hub") == 0) && (destination_id == HUB_ID)) {
up7_start_time = SC_INFINITE_TIME;
up6_start_time = SC_INFINITE_TIME;
up5_start_time = SC_INFINITE_TIME;
up4_start_time = SC_INFINITE_TIME;
up3_start_time = SC_INFINITE_TIME;
up2_start_time = SC_INFINITE_TIME;
up1_start_time = SC_INFINITE_TIME;
up0_start_time = SC_INFINITE_TIME;
}
/* Load the PDFs that will be used in computing the MSDU Interval Times and MSDU Sizes. */
up7_msdu_interarrival_dist_ptr = oms_dist_load_from_string (up7_msdu_interarrival_dist_str);
up7_msdu_size_dist_ptr = oms_dist_load_from_string (up7_msdu_size_dist_str);
/* Load the PDFs that will be used in computing the MSDU Interval Times and MSDU Sizes. */
up6_msdu_interarrival_dist_ptr = oms_dist_load_from_string (up6_msdu_interarrival_dist_str);
up6_msdu_size_dist_ptr = oms_dist_load_from_string (up6_msdu_size_dist_str);
/* Load the PDFs that will be used in computing the MSDU Interval Times and MSDU Sizes. */
up5_msdu_interarrival_dist_ptr = oms_dist_load_from_string (up5_msdu_interarrival_dist_str);
up5_msdu_size_dist_ptr = oms_dist_load_from_string (up5_msdu_size_dist_str);
/* Load the PDFs that will be used in computing the MSDU Interval Times and MSDU Sizes. */
up4_msdu_interarrival_dist_ptr = oms_dist_load_from_string (up4_msdu_interarrival_dist_str);
up4_msdu_size_dist_ptr = oms_dist_load_from_string (up4_msdu_size_dist_str);
/* Load the PDFs that will be used in computing the MSDU Interval Times and MSDU Sizes. */
up3_msdu_interarrival_dist_ptr = oms_dist_load_from_string (up3_msdu_interarrival_dist_str);
up3_msdu_size_dist_ptr = oms_dist_load_from_string (up3_msdu_size_dist_str);
/* Load the PDFs that will be used in computing the MSDU Interval Times and MSDU Sizes. */
up2_msdu_interarrival_dist_ptr = oms_dist_load_from_string (up2_msdu_interarrival_dist_str);
up2_msdu_size_dist_ptr = oms_dist_load_from_string (up2_msdu_size_dist_str);
/* Load the PDFs that will be used in computing the MSDU Interval Times and MSDU Sizes. */
up1_msdu_interarrival_dist_ptr = oms_dist_load_from_string (up1_msdu_interarrival_dist_str);
up1_msdu_size_dist_ptr = oms_dist_load_from_string (up1_msdu_size_dist_str);
/* Load the PDFs that will be used in computing the MSDU Interval Times and MSDU Sizes. */
up0_msdu_interarrival_dist_ptr = oms_dist_load_from_string (up0_msdu_interarrival_dist_str);
up0_msdu_size_dist_ptr = oms_dist_load_from_string (up0_msdu_size_dist_str);
/* Make sure we have valid start and stop times, i.e. stop time is not earlier than start time. */
if ((up7_stop_time <= up7_start_time) && (up7_stop_time != SC_INFINITE_TIME)) {
/* Stop time is earlier than start time. Disable the source. */
up7_start_time = SC_INFINITE_TIME;
/* Display an appropriate warning. */
op_prg_odb_print_major ("Warning from a Traffic source model:",
"Although the user priority 7 generator is not disabled (start time is set to a finite value) a stop time that is not later than the start time is specified.",
"Disabling the user priority 7 generator.", OPC_NIL);
}
/* Make sure we have valid start and stop times, i.e. stop time is not earlier than start time. */
if ((up6_stop_time <= up6_start_time) && (up6_stop_time != SC_INFINITE_TIME)) {
/* Stop time is earlier than start time. Disable the source. */
up6_start_time = SC_INFINITE_TIME;
/* Display an appropriate warning. */
op_prg_odb_print_major ("Warning from a Traffic source model:",
"Although the user priority 6 generator is not disabled (start time is set to a finite value) a stop time that is not later than the start time is specified.",
"Disabling the user priority 6 generator.", OPC_NIL);
}
/* Make sure we have valid start and stop times, i.e. stop time is not earlier than start time. */
if ((up5_stop_time <= up5_start_time) && (up5_stop_time != SC_INFINITE_TIME)) {
/* Stop time is earlier than start time. Disable the source. */
up5_start_time = SC_INFINITE_TIME;
/* Display an appropriate warning. */
op_prg_odb_print_major ("Warning from a Traffic source model:",
"Although the user priority 5 generator is not disabled (start time is set to a finite value) a stop time that is not later than the start time is specified.",
"Disabling the user priority 5 generator.", OPC_NIL);
}
/* Make sure we have valid start and stop times, i.e. stop time is not earlier than start time. */
if ((up4_stop_time <= up4_start_time) && (up4_stop_time != SC_INFINITE_TIME)) {
/* Stop time is earlier than start time. Disable the source. */
up4_start_time = SC_INFINITE_TIME;
/* Display an appropriate warning. */
op_prg_odb_print_major ("Warning from a Traffic source model:",
"Although the user priority 4 generator is not disabled (start time is set to a finite value) a stop time that is not later than the start time is specified.",
"Disabling the user priority 4 generator.", OPC_NIL);
}
/* Make sure we have valid start and stop times, i.e. stop time is not earlier than start time. */
if ((up3_stop_time <= up3_start_time) && (up3_stop_time != SC_INFINITE_TIME)) {
/* Stop time is earlier than start time. Disable the source. */
up3_start_time = SC_INFINITE_TIME;
/* Display an appropriate warning. */
op_prg_odb_print_major ("Warning from a Traffic source model:",
"Although the user priority 3 generator is not disabled (start time is set to a finite value) a stop time that is not later than the start time is specified.",
"Disabling the user priority 3 generator.", OPC_NIL);
}
/* Make sure we have valid start and stop times, i.e. stop time is not earlier than start time. */
if ((up2_stop_time <= up2_start_time) && (up2_stop_time != SC_INFINITE_TIME)) {
/* Stop time is earlier than start time. Disable the source. */
up2_start_time = SC_INFINITE_TIME;
/* Display an appropriate warning. */
op_prg_odb_print_major ("Warning from a Traffic source model:",
"Although the user priority 2 generator is not disabled (start time is set to a finite value) a stop time that is not later than the start time is specified.",
"Disabling the user priority 2 generator.", OPC_NIL);
}
/* Make sure we have valid start and stop times, i.e. stop time is not earlier than start time. */
if ((up1_stop_time <= up1_start_time) && (up1_stop_time != SC_INFINITE_TIME)) {
/* Stop time is earlier than start time. Disable the source. */
up1_start_time = SC_INFINITE_TIME;
/* Display an appropriate warning. */
op_prg_odb_print_major ("Warning from a Traffic source model:",
"Although the user priority 1 generator is not disabled (start time is set to a finite value) a stop time that is not later than the start time is specified.",
"Disabling the user priority 1 generator.", OPC_NIL);
}
/* Make sure we have valid start and stop times, i.e. stop time is not earlier than start time. */
if ((up0_stop_time <= up0_start_time) && (up0_stop_time != SC_INFINITE_TIME)) {
/* Stop time is earlier than start time. Disable the source. */
up0_start_time = SC_INFINITE_TIME;
/* Display an appropriate warning. */
op_prg_odb_print_major ("Warning from a Traffic source model:",
"Although the user priority 0 generator is not disabled (start time is set to a finite value) a stop time that is not later than the start time is specified.",
"Disabling the user priority 0 generator.", OPC_NIL);
}
/* Schedule a self interrupt that will indicate transition to next state. */
if ((up7_start_time == SC_INFINITE_TIME) && (up6_start_time == SC_INFINITE_TIME)
&& (up5_start_time == SC_INFINITE_TIME) && (up4_start_time == SC_INFINITE_TIME)
&& (up3_start_time == SC_INFINITE_TIME) && (up2_start_time == SC_INFINITE_TIME)
&& (up1_start_time == SC_INFINITE_TIME) && (up0_start_time == SC_INFINITE_TIME)
) {
op_intrpt_schedule_self (op_sim_time (), SC_STOP); //DISABLED
} else {
op_intrpt_schedule_self (op_sim_time (), SC_START); //START
/* In this case, also schedule the interrupt for starting of the MSDU generation */
if (up7_start_time != SC_INFINITE_TIME)
op_intrpt_schedule_self (up7_start_time, SC_GENERATE_UP7); //UP7_MSDU_GENERATE
if (up6_start_time != SC_INFINITE_TIME)
op_intrpt_schedule_self (up6_start_time, SC_GENERATE_UP6); //UP6_MSDU_GENERATE
if (up5_start_time != SC_INFINITE_TIME)
op_intrpt_schedule_self (up5_start_time, SC_GENERATE_UP5); //UP5_MSDU_GENERATE
if (up4_start_time != SC_INFINITE_TIME)
op_intrpt_schedule_self (up4_start_time, SC_GENERATE_UP4); //UP4_MSDU_GENERATE
if (up3_start_time != SC_INFINITE_TIME)
op_intrpt_schedule_self (up3_start_time, SC_GENERATE_UP3); //UP3_MSDU_GENERATE
if (up2_start_time != SC_INFINITE_TIME)
op_intrpt_schedule_self (up2_start_time, SC_GENERATE_UP2); //UP2_MSDU_GENERATE
if (up1_start_time != SC_INFINITE_TIME)
op_intrpt_schedule_self (up1_start_time, SC_GENERATE_UP1); //UP1_MSDU_GENERATE
if (up0_start_time != SC_INFINITE_TIME)
op_intrpt_schedule_self (up0_start_time, SC_GENERATE_UP0); //UP0_MSDU_GENERATE
/* In this case, also schedule the interrupt when we will stop generating */
/* MSDUs, unless we are configured to run until the end of the simulation. */
if ((up7_stop_time != SC_INFINITE_TIME) && (up6_stop_time != SC_INFINITE_TIME)
&& (up5_stop_time != SC_INFINITE_TIME) && (up4_stop_time != SC_INFINITE_TIME)
&& (up3_stop_time != SC_INFINITE_TIME) && (up2_stop_time != SC_INFINITE_TIME)
&& (up1_stop_time != SC_INFINITE_TIME) && (up0_stop_time != SC_INFINITE_TIME)
){
temp = max_double(max_double(up7_stop_time, up6_stop_time), max_double(up5_stop_time, up4_stop_time));
temp = max_double(temp, max_double(max_double(up3_stop_time, up2_stop_time), max_double(up1_stop_time, up0_stop_time)));
op_intrpt_schedule_self (temp, SC_STOP);
}
}
wban_print_parameters ();
/* Stack tracing exit point */
FOUT;
}
void ra_aloha_ss_intrpt_strm_handler(void)
{
Packet* sduptr;
Packet* pduptr;
int istrm;
int ss_id;
char pk_fmt_str[64];
static Boolean wait_ack_flag = OPC_FALSE;
static Evhandle tr_ack;
FIN(ra_aloha_ss_intrpt_strm_handler());
istrm = op_intrpt_strm();
if (istrm == svptr->istrm_hl) {
sduptr = op_pk_get(istrm);
if (wait_ack_flag) {
//What will happen if the subq overflows?
op_subq_pk_insert(0, sduptr, OPC_QPOS_TAIL);
if (op_prg_odb_ltrace_active("aloha")) {
op_prg_odb_print_major("Queueing a data packet.", OPC_NIL);
}
FOUT ;
}
buf_pkptr = op_pk_copy(sduptr);
pduptr = op_pk_create_fmt(Ra_Aloha_Data_Pk_Name );
op_stat_write(svptr->sh_load_bits, op_pk_total_size_get(sduptr));
op_stat_write(svptr->sh_load_bits, 0.0);
op_stat_write(svptr->gsh_load_bits, op_pk_total_size_get(sduptr));
op_stat_write(svptr->gsh_load_bits, 0.0);
op_pk_nfd_set_pkt(pduptr, "Data", sduptr);
op_pk_send(pduptr, svptr->ostrm_ll);
tr_ack = op_intrpt_schedule_self(Cur_Time + tr_len_ack, TR_ACK_TO);
wait_ack_flag = OPC_TRUE;
if (op_prg_odb_ltrace_active("aloha")) {
op_prg_odb_print_major("Sending a data packet.", OPC_NIL);
}
} else if (istrm == svptr->istrm_ll) {
pduptr = op_pk_get(istrm);
op_pk_format(pduptr, pk_fmt_str);
if (strcmp(pk_fmt_str, Ra_Aloha_Ack_Pk_Name)==0) {
op_pk_nfd_get_int32(pduptr, "SS ID", & ss_id);
if (ss_id != svptr->ss_id) {
op_pk_destroy(pduptr);
FOUT;
}
wait_ack_flag = OPC_FALSE;
//TODO: check whether the timer event is valid
op_ev_cancel(tr_ack);
//op_ev_cancel(svptr->tr_ack);
op_stat_write(svptr->sh_goodput_bits, op_pk_total_size_get(buf_pkptr));
op_stat_write(svptr->sh_goodput_bits, 0.0);
op_pk_destroy(buf_pkptr);
//the waiting queue is not empty, scheduing next tx
if (!op_subq_empty(0)) {
sduptr = ra_aloha_ss_dequeue();
buf_pkptr = op_pk_copy(sduptr);
pduptr = op_pk_create_fmt(Ra_Aloha_Data_Pk_Name );
op_pk_nfd_set(pduptr, "Data", sduptr);
op_pk_send(pduptr, svptr->ostrm_ll);
op_pk_send(pduptr, svptr->ostrm_ll);
tr_ack = op_intrpt_schedule_self(Cur_Time + tr_len_ack, TR_ACK_TO);
}
}
//op_pk_send(pduptr, svptr->ostrm_hl);
} //istrm_ll
FOUT;
}