GitHub issue #111

control/NodeControlService.cpp

@@ -138,7 +138,7 @@ void NodeControlService::_doCommand(IpcConnection *ipcc,const char *commandLine)
 		if (cmd[0] == "info") {
 			ipcc->printf("200 info %.10llx %s %s"ZT_EOL_S,_node->address(),(_node->online() ? "ONLINE" : "OFFLINE"),Node::versionString());
 		} else if (cmd[0] == "listpeers") {
-			ipcc->printf("200 listpeers <ztaddr> <paths> <latency> <version>"ZT_EOL_S);
+			ipcc->printf("200 listpeers <ztaddr> <paths> <latency> <version> <role>"ZT_EOL_S);
 			ZT1_Node_PeerList *pl = _node->listPeers();
 			if (pl) {
 				for(unsigned int i=0;i<pl->numPeers;++i) {
@@ -175,7 +175,17 @@ void NodeControlService::_doCommand(IpcConnection *ipcc,const char *commandLine)
 								(pl->peers[i].paths[j].fixed ? "fixed" : (pl->peers[i].paths[j].active ? "active" : "inactive")));
 						}
 					}
-					ipcc->printf(" %u %s"ZT_EOL_S,pl->peers[i].latency,(pl->peers[i].remoteVersion[0]) ? pl->peers[i].remoteVersion : "-");
+					const char *rolestr;
+					switch(pl->peers[i].role) {
+						case ZT1_Node_Peer_SUPERNODE: rolestr = "SUPERNODE"; break;
+						case ZT1_Node_Peer_HUB: rolestr = "HUB"; break;
+						case ZT1_Node_Peer_NODE: rolestr = "NODE"; break;
+						default: rolestr = "?"; break;
+					}
+					ipcc->printf(" %u %s %s"ZT_EOL_S,
+						pl->peers[i].latency,
+						((pl->peers[i].remoteVersion[0]) ? pl->peers[i].remoteVersion : "-"),
+						rolestr);
 				}
 				_node->freeQueryResult(pl);
 			}

include/ZeroTierOne.h

@@ -203,6 +203,15 @@ struct ZT1_Node_Peer
 	 */
 	unsigned int latency;
 
+	/**
+	 * What trust hierarchy role does this device have?
+	 */
+	enum {
+		ZT1_Node_Peer_SUPERNODE = 0, // planetary supernode
+		ZT1_Node_Peer_HUB = 1,       // locally federated hub (coming soon)
+		ZT1_Node_Peer_NODE = 2       // ordinary node
+	} role;
+
 	/**
 	 * Array of network paths to peer
 	 */

node/Node.cpp

@@ -847,6 +847,7 @@ ZT1_Node_PeerList *Node::listPeers()
 		p->first->address().toString(prec->address,sizeof(prec->address));
 		prec->rawAddress = p->first->address().toInt();
 		prec->latency = p->first->latency();
+		prec->role = RR->topology->isSupernode(p->first->address()) ? ZT1_Node_Peer_SUPERNODE : ZT1_Node_Peer_NODE;
 
 		prec->paths = (ZT1_Node_PhysicalPath *)buf;
 		buf += sizeof(ZT1_Node_PhysicalPath) * p->second.size();