/*---------------------------------------------------------------------------*/
int c_multihop_send(struct pipe *p, struct stackmodule_i *module) {
PRINTF("c_multihop_send \n");
printaddr(module->stack_id);
packetbuf_compact();
rimeaddr_t *nexthop;
rimeaddr_t *tmpaddr = get_node_addr(module->stack_id, 0, 3);
nexthop = c_forward(stack[module->stack_id].pip,
stack[module->stack_id].amodule, module->module_id);
if (nexthop == NULL) {
PRINTF("multihop_send: no route\n");
return 0;
} else {
set_node_addr(module->stack_id, 0, 2, nexthop);
PRINTF("multihop_send: sending data towards %d.%d\n",
nexthop->u8[0], nexthop->u8[1]);
packetbuf_set_addr(PACKETBUF_ADDR_ERECEIVER, tmpaddr);
rimeaddr_t *tmpaddr1 = get_node_addr(module->stack_id, 0, 1);
packetbuf_set_addr(PACKETBUF_ADDR_ESENDER, tmpaddr1);
rimeaddr_t esender, ereceiver;
rimeaddr_copy(&esender, packetbuf_addr(PACKETBUF_ADDR_ESENDER));
rimeaddr_copy(&ereceiver, packetbuf_addr(PACKETBUF_ADDR_ERECEIVER));
packetbuf_set_attr(PACKETBUF_ATTR_HOPS, 1);
return 1;
}
}
/*---------------------------------------------------------------------------*/
void c_abc_recv(struct pipe *p, struct stackmodule_i *module) {
int start_tm = START_TM;
rimeaddr_t tmpaddr;
rimeaddr_copy(&tmpaddr, packetbuf_addr(PACKETBUF_ADDR_SENDER));
set_node_addr(module->stack_id, 1, 0, &tmpaddr);
PRINTF("~c_abc_receive: packet %s (%d) on channel %d from %d.%d\n",
(char *)packetbuf_dataptr(),
packetbuf_datalen(), p->channel->channelno,
tmpaddr.u8[0], tmpaddr.u8[1]);
PRINTFE("\n %d \n", DURATION_TM(start_tm));
}
void c_multihop_recv(struct pipe *p, struct stackmodule_i *module) {
PRINTF("c_multihop_recv \n");
printaddr(module->stack_id);
rimeaddr_t *nexthop = NULL;
rimeaddr_t esender, ereceiver;
/* Copy the packet attributes to avoid them being overwritten or
cleared by an application program that uses the packet buffer for
its own needs. */
//rimeaddr_copy(&esender, packetbuf_addr(PACKETBUF_ADDR_ESENDER));
rimeaddr_copy(&ereceiver, packetbuf_addr(PACKETBUF_ADDR_ERECEIVER));
if (rimeaddr_cmp(packetbuf_addr(PACKETBUF_ADDR_ERECEIVER),
&rimeaddr_node_addr)) {
stack[module->stack_id].resend_flg = 1;
PRINTF("for us!\n");
p->multihop_param.hop_no = packetbuf_attr(PACKETBUF_ATTR_HOPS);
} else {
nexthop = c_forward(p, stack[module->stack_id].amodule, stack[module->stack_id].modno);
PRINTF("nexthop: %d.%d \n", nexthop->u8[0], nexthop->u8[1]);
packetbuf_set_attr(PACKETBUF_ATTR_HOPS,
packetbuf_attr(PACKETBUF_ATTR_HOPS) + 1);
if (nexthop) {
set_node_addr(module->stack_id, 0, 2, nexthop);
PRINTF("forwarding to %d.%d\n", nexthop->u8[0], nexthop->u8[1]);
if (module->stack_id < STACKNO) {
//stack_send(&stack[module->stack_id], module->module_id);
stack_send(&stack[module->stack_id], module->module_id);
}
}
}
}
