X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fbgp_client.rs;h=1fa92501c2601ee16ed28c4cec4661e935a44c83;hb=96812ac2c2b769c977e23c0e55a4667a708193e9;hp=8f264c660e49840674137be1192ed75cf1ec1b26;hpb=2ad1116fe90722943347b2b222cef89dd5abcf7e;p=dnsseed-rust

diff --git a/src/bgp_client.rs b/src/bgp_client.rs
index 8f264c6..1fa9250 100644
--- a/src/bgp_client.rs
+++ b/src/bgp_client.rs
@@ -46,14 +46,14 @@ impl RoutingTable {
 			($addrty: ty, $addr: expr, $table: expr, $addr_bits: expr) => { {
 				let mut res = Vec::new();
 				//TODO: Optimize this!
-				for i in (0..($addr_bits + 1)).rev() {
+				for i in (0..$addr_bits).rev() {
 					let mut lookup = $addr.octets();
 					for b in 0..(i / 8) {
-						lookup[lookup.len() - b] = 0;
+						lookup[lookup.len() - b - 1] = 0;
 					}
-					lookup[lookup.len() - (i/8)] &= !(((1u16 << (i % 8)) - 1) as u8);
+					lookup[lookup.len() - (i/8) - 1] &= !(((1u16 << (i % 8)) - 1) as u8);
 					let lookup_addr = <$addrty>::from(lookup);
-					for attrs in $table.range((Included((lookup_addr, $addr_bits, 0)), Included((lookup_addr, $addr_bits, std::u32::MAX)))) {
+					for attrs in $table.range((Included((lookup_addr, $addr_bits - i as u8, 0)), Included((lookup_addr, $addr_bits - i as u8, std::u32::MAX)))) {
 						res.push(Arc::clone(&attrs.1));
 					}
 					if !res.is_empty() { break; }
@@ -176,13 +176,24 @@ pub struct BGPClient {
 impl BGPClient {
 	pub fn get_asn(&self, addr: IpAddr) -> u32 {
 		let mut path_vecs = self.routes.lock().unwrap().get_route_attrs(addr).clone();
+		if path_vecs.is_empty() { return 0; }
+
 		path_vecs.sort_unstable_by(|path_a, path_b| {
 			path_a.pref.cmp(&path_b.pref)
 				.then(path_b.path.len().cmp(&path_a.path.len()))
 				.then(path_b.med.cmp(&path_a.med))
 		});
-		// TODO: Find last common ASN among all paths
-		*path_vecs[0].path.last().unwrap_or(&0)
+
+		let primary_route = path_vecs.pop().unwrap();
+		'asn_candidates: for asn in primary_route.path.iter().rev() {
+			for secondary_route in path_vecs.iter() {
+				if !secondary_route.path.contains(asn) {
+					continue 'asn_candidates;
+				}
+			}
+			return *asn;
+		}
+		*primary_route.path.last().unwrap_or(&0)
 	}
 
 	pub fn disconnect(&self) {
@@ -257,7 +268,9 @@ impl BGPClient {
 					}
 					match bgp_msg {
 						Message::Open(_) => {
-							printer.add_line("Connected to BGP route provider".to_string(), true);
+							client.routes.lock().unwrap().v4_table.clear();
+							client.routes.lock().unwrap().v6_table.clear();
+							printer.add_line("Connected to BGP route provider".to_string(), false);
 						},
 						Message::KeepAlive => {
 							let _ = sender.try_send(Message::KeepAlive);