int start_rwalk_generator(omg_global_param omg_param_list) {
int n_id=0;
//omg_omg_param_list.seed= time(NULL);
srand(omg_param_list.seed + RWALK);
double cur_time = 0.0;
NodePtr node = NULL;
MobilityPtr mobility = NULL;
if (omg_param_list.nodes <= 0){
LOG_W(OMG, "Number of nodes has not been set\n");
return(-1);
}
if (omg_param_list.nodes_type == eNB) {
LOG_I(OMG, "Node type has been set to eNB\n");
} else if (omg_param_list.nodes_type == UE) {
LOG_I(OMG, "Node type has been set to UE\n");
}
LOG_I(OMG, "Number of random walk nodes has been set to %d\n", omg_param_list.nodes);
for (n_id = 0; n_id< omg_param_list.nodes; n_id++) {
node = (NodePtr) create_node();
mobility = (MobilityPtr) create_mobility();
node->mobile = 0; // static for the moment
node->ID = n_id;
node->type = omg_param_list.nodes_type;
node->generator = omg_param_list.mobility_type;
node->mob = mobility;
place_rwalk_node(node); //initial positions
Pair pair = malloc (sizeof(Pair));
pair = (Pair) sleep_rwalk_node(node, cur_time); //sleep
Job_Vector = add_job(pair, Job_Vector);
Job_Vector_len ++;
if (Job_Vector == NULL)
LOG_E(OMG, "Job Vector is NULL\n");
}
return(0);
}
int
start_rwalk_generator (omg_global_param omg_param_list)
{
int id;
static int n_id = 0;
double cur_time = 0.0, pause_p, mean_pause, mean_travel;
node_struct *node = NULL;
mobility_struct *mobility = NULL;
pair_struct *pair = NULL;
srand (omg_param_list.seed + RWALK);
mean_pause = (omg_param_list.max_sleep - omg_param_list.min_sleep) / 2;
mean_travel =
(omg_param_list.max_journey_time - omg_param_list.min_journey_time) / 2;
pause_p = mean_pause / (mean_travel + mean_pause);
LOG_I (OMG, "#RWALK mobility model for %d %d nodes\n", omg_param_list.nodes,
omg_param_list.nodes_type);
for (id = n_id; id < (omg_param_list.nodes + n_id); id++) {
node = create_node ();
mobility = create_mobility ();
node->id = id;
node->type = omg_param_list.nodes_type;
node->mob = mobility;
node->generator = RWALK;
node->event_num = 0;
place_rwalk_node (node); //initial positions
pair = (pair_struct *) malloc (sizeof (struct pair_struct));
pair->b = node;
// sleep_rwalk_node (pair, cur_time); //sleep
//pause probability...some of the nodes start at pause & the other on move
if (randomgen (0, 1) < pause_p)
sleep_steadystaterwp_node (pair, cur_time); //sleep
else
move_steadystaterwp_node (pair, cur_time);
job_vector_end[RWALK] = add_job (pair, job_vector_end[RWALK]);
if (job_vector[RWALK] == NULL)
job_vector[RWALK] = job_vector_end[RWALK];
job_vector_len[RWALK]++;
}
n_id += omg_param_list.nodes;
if (job_vector[RWALK] == NULL)
LOG_E (OMG, "[RWP] Job Vector is NULL\n");
return (0);
}
