opnet之自行设计csma/ca/rx

状态转移图

HB

#define DATA_STRM 0
#define OUT_STRM 0
#define ACK_INIT 0

#define INTRPT_DATA ((op_intrpt_type() == OPC_INTRPT_STRM) && (op_intrpt_strm() == DATA_STRM))
#define INTRPT_ACK ((op_intrpt_type() == OPC_INTRPT_SELF) && (op_intrpt_code() == ACK_INIT))

INIT

sifs = 0;

DATA

Packet* pkptr;
pkptr = op_pk_get(op_intrpt_strm ());

op_pk_nfd_get(pkptr,"src",&tx_node);

op_pk_destroy(pkptr);
op_intrpt_schedule_self (op_sim_time() + sifs, ACK_INIT);

ACK

Packet* ack_pkt;
ack_pkt = op_pk_create_fmt("lmz_self_csma_ca_ack");
op_pk_nfd_set (ack_pkt, "dest", tx_node);
op_pk_send(ack_pkt,OUT_STRM);