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Don't transfer files via mdp broadcast if the interface prefers unicast

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This commit is contained in:
Jeremy Lakeman 2013-01-29 13:12:34 +11:00
parent b35c1aca43
commit 78f7a293d1
1 changed files with 14 additions and 4 deletions
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18
overlay_mdp_services.c
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@ -100,14 +100,24 @@ int overlay_mdp_service_rhizomerequest(overlay_mdp_frame *mdp)
reply.out.ttl=1;
bcopy(my_subscriber->sid,reply.out.src.sid,SID_SIZE);
reply.out.src.port=MDP_PORT_RHIZOME_RESPONSE;
if (source && source->reachable&REACHABLE_UNICAST){
// if we get a request from a peer that we can only talk to via unicast, send data via unicast too.
bcopy(mdp->out.src.sid,reply.out.dst.sid,SID_SIZE);
}else{
int send_broadcast=1;
if (source){
if (!(source->reachable&REACHABLE_DIRECT))
send_broadcast=0;
if (source->reachable&REACHABLE_UNICAST && source->interface && source->interface->prefer_unicast)
send_broadcast=0;
}
if (send_broadcast){
// send replies to broadcast so that others can hear blocks and record them
// (not that preemptive listening is implemented yet).
memset(reply.out.dst.sid,0xff,SID_SIZE);
}else{
// if we get a request from a peer that we can only talk to via unicast, send data via unicast too.
bcopy(mdp->out.src.sid,reply.out.dst.sid,SID_SIZE);
}
reply.out.dst.port=MDP_PORT_RHIZOME_RESPONSE;
reply.out.queue=OQ_OPPORTUNISTIC;
reply.out.payload[0]='B'; // reply contains blocks