// redefinition for generic network
unsigned int tdma_bus::allocate_BW(phy_address src, unsigned int required_bps) {
std::string rpt_msg;
unsigned required_slots;
#ifdef _REPORT_TDMA_BUS_CONFIGURATION
rpt_msg= "Requesting ";
rpt_msg+= std::to_string(required_bps);
rpt_msg+= " (bps) to sender physical address (PE) ";
rpt_msg+= src->name();
SC_REPORT_INFO("KisTA: TDMA bus",rpt_msg.c_str());
#endif
// calculated required slots
required_slots = (unsigned int)((double)required_bps/(double)channel_eBW)+1;
allocate_channels(src,required_slots);
#ifdef _REPORT_TDMA_BUS_CONFIGURATION
rpt_msg= "Allocating ";
rpt_msg+= std::to_string(required_slots*channel_eBW);
rpt_msg+= " (bps) to sender physical address (PE) ";
rpt_msg+= src->name();
SC_REPORT_INFO("KisTA: TDMA bus",rpt_msg.c_str());
#endif
return required_slots*channel_eBW;
}
inline
static
union Channel *request_channel(uint8_t proto, uint16_t port)
{
debug("channel: request %d %d", proto, port);
if(!context.free_channels)
allocate_channels();
if(!context.free_channels)
return NULL;
assert(context.free_channels);
union Channel *channel = context.free_channels;
context.free_channels = (union Channel *) context.free_channels->base.next;
if(context.free_channels)
context.free_channels->base.prev = NULL;
memset(channel, 0, sizeof(union Channel));
channel->base.next = &context.channels->base;
if(context.channels)
context.channels->base.prev = &channel->base;
context.channels = channel;
channel->base.proto = proto;
authentication_prepare_challenge(&channel->base.token);
struct MessageOpenChannel ope;
ope.type = OPEN_CHANNEL;
memcpy(&ope.challenge, &channel->base.token, CHALLENGE_LENGTH);
ope.port = htons(port);
ope.proto = proto;
bufferevent_write( context.control_buffers,
&ope,
sizeof(ope));
authentication_prepare_response(&channel->base.token,
&channel->base.token,
options.password);
channel->base.alive = 2;
return channel;
}