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dn42.nix/resources/community_filter.conf
2024-03-31 19:12:39 +02:00

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function update_latency(int link_latency) {
bgp_community.add((64511, link_latency));
if (64511, 9) ~ bgp_community then { bgp_community.delete([(64511, 1..8)]); }
else if (64511, 8) ~ bgp_community then { bgp_community.delete([(64511, 1..7)]); }
else if (64511, 7) ~ bgp_community then { bgp_community.delete([(64511, 1..6)]); }
else if (64511, 6) ~ bgp_community then { bgp_community.delete([(64511, 1..5)]); }
else if (64511, 5) ~ bgp_community then { bgp_community.delete([(64511, 1..4)]); }
else if (64511, 4) ~ bgp_community then { bgp_community.delete([(64511, 1..3)]); }
else if (64511, 3) ~ bgp_community then { bgp_community.delete([(64511, 1..2)]); }
else if (64511, 2) ~ bgp_community then { bgp_community.delete([(64511, 1..1)]); }
}
function update_bandwidth(int link_bandwidth) {
bgp_community.add((64511, link_bandwidth));
if (64511, 21) ~ bgp_community then { bgp_community.delete([(64511, 22..29)]); }
else if (64511, 22) ~ bgp_community then { bgp_community.delete([(64511, 23..29)]); }
else if (64511, 23) ~ bgp_community then { bgp_community.delete([(64511, 24..29)]); }
else if (64511, 24) ~ bgp_community then { bgp_community.delete([(64511, 25..29)]); }
else if (64511, 25) ~ bgp_community then { bgp_community.delete([(64511, 26..29)]); }
else if (64511, 26) ~ bgp_community then { bgp_community.delete([(64511, 27..29)]); }
else if (64511, 27) ~ bgp_community then { bgp_community.delete([(64511, 28..29)]); }
else if (64511, 28) ~ bgp_community then { bgp_community.delete([(64511, 29..29)]); }
}
function update_crypto(int link_crypto) {
bgp_community.add((64511, link_crypto));
if (64511, 31) ~ bgp_community then { bgp_community.delete([(64511, 32..34)]); }
else if (64511, 32) ~ bgp_community then { bgp_community.delete([(64511, 33..34)]); }
else if (64511, 33) ~ bgp_community then { bgp_community.delete([(64511, 34..34)]); }
}
function update_flags(int link_latency; int link_bandwidth; int link_crypto) {
update_latency(link_latency);
update_bandwidth(link_bandwidth);
update_crypto(link_crypto);
}
function update_region4() {
if is_self_net4() then {
bgp_community.add((64511, REGION_GEO));
bgp_community.add((64511, REGION_COUNTRY));
}
}
function update_region6() {
if is_self_net6() then {
bgp_community.add((64511, REGION_GEO));
bgp_community.add((64511, REGION_COUNTRY));
}
}