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Send rhizome mdp data unicast if required

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This commit is contained in:
Jeremy Lakeman 2012-12-04 16:38:18 +10:30
parent 33e44ed6be
commit 1dcbb28b61
1 changed files with 10 additions and 3 deletions
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9
overlay_mdp_services.c
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@ -40,6 +40,8 @@ int overlay_mdp_service_rhizomerequest(overlay_mdp_frame *mdp)
read_uint16(&mdp->out.payload[RHIZOME_MANIFEST_ID_BYTES+8+8+4]); read_uint16(&mdp->out.payload[RHIZOME_MANIFEST_ID_BYTES+8+8+4]);
if (blockLength>1024) RETURN(-1); if (blockLength>1024) RETURN(-1);
struct subscriber *source = find_subscriber(mdp->out.src.sid, SID_SIZE, 0);
if(0) { if(0) {
DEBUGF("Someone sent me a rhizome request via MDP"); DEBUGF("Someone sent me a rhizome request via MDP");
DEBUGF("requestor sid = %s",alloca_tohex_sid(mdp->out.src.sid)); DEBUGF("requestor sid = %s",alloca_tohex_sid(mdp->out.src.sid));
@ -96,10 +98,15 @@ int overlay_mdp_service_rhizomerequest(overlay_mdp_frame *mdp)
reply.packetTypeAndFlags=MDP_TX|MDP_NOCRYPT|MDP_NOSIGN; reply.packetTypeAndFlags=MDP_TX|MDP_NOCRYPT|MDP_NOSIGN;
reply.out.ttl=1; reply.out.ttl=1;
bcopy(my_subscriber->sid,reply.out.src.sid,SID_SIZE); 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{
// send replies to broadcast so that others can hear blocks and record them // send replies to broadcast so that others can hear blocks and record them
// (not that preemptive listening is implemented yet). // (not that preemptive listening is implemented yet).
reply.out.src.port=MDP_PORT_RHIZOME_RESPONSE;
memset(reply.out.dst.sid,0xff,SID_SIZE); memset(reply.out.dst.sid,0xff,SID_SIZE);
}
reply.out.dst.port=MDP_PORT_RHIZOME_RESPONSE; reply.out.dst.port=MDP_PORT_RHIZOME_RESPONSE;
reply.out.queue=OQ_ORDINARY; reply.out.queue=OQ_ORDINARY;
reply.out.payload[0]='B'; // reply contains blocks reply.out.payload[0]='B'; // reply contains blocks