//-----------------------------------------------------------------------------
// read an incoming message from datalink to network layer
void read_network(int link, size_t length, char * datagram) {
DATAGRAM dtg;
memcpy(&dtg, datagram, length);
// dispatch the datagram
if (is_kind(dtg.kind,__DISCOVER__))
do_discovery(link, dtg);
if (is_kind(dtg.kind,__ROUTING__))
do_routing(link, dtg);
if (is_kind(dtg.kind,__TRANSPORT__)) {
PACKET pkt;
size_t len_to_cpy = dtg.length;
memcpy((char*)&pkt, dtg.payload, len_to_cpy);
if ((CnetAddr)(dtg.dest) != nodeinfo.address) {
route(dtg);
packets_forwarded_total++;
} else
read_transport(dtg.kind, dtg.length, dtg.src, (char*)dtg.payload);
}
}
static int source_set_port_cb(pa_source *s, pa_device_port *p) {
struct userdata *u = s->userdata;
pa_droid_port_data *data;
pa_assert(u);
pa_assert(p);
data = PA_DEVICE_PORT_DATA(p);
if (!data->device) {
/* If there is no device defined, just return 0 to say everything is ok.
* Then next port change can be whatever source port, even the one enabled
* before parking. */
pa_log_debug("Source set port to parking");
return 0;
}
pa_log_debug("Source set port %u", data->device);
do_routing(u, data->device);
return 0;
}