mirror of
https://github.com/jmcorgan/fips.git
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Johnathan Corgan
274b09d4ff
Add six forwarding counters that partition transit-forwarded packets by their tree relationship to the chosen next hop: tree-up (peer is our ancestor), tree-down (peer is our descendant and the destination is within its subtree), tree-down-cross (peer is our descendant but the destination is outside its subtree), cross-link descend (lateral peer, destination within its subtree), cross-link ascend (lateral peer, destination outside its subtree), and direct-peer. The six classes sum to forwarded_packets, asserted by a unit test. Classification is computed from tree coordinates at the transit chokepoint, so the error-signal routing callers are excluded. The two "outside the chosen peer's subtree" classes are both up-and-over forwards but differ in what they depend on. Tree-down-cross is the dive-to-tree-child cut-through: we forward down to our own child for a destination not beneath it, which is only possible because the child advertised cross-link reach upward to us, beyond its own subtree. Its count measures how much forwarding depends on that upward advertisement, i.e. what would change if cross-link advertisements were narrowed to subtree-entry only. Cross-link ascend, by contrast, uses the node's own lateral cross-link learned from a peer's split-horizon advertisement, so it does not depend on any upward advertisement. Surface the counters through the forwarding stats snapshot (control socket, show_routing and show_status) and reorganize the fipstop routing tab so its two columns separate own/endpoint traffic (received, delivered, originated) from forwarded/transit traffic (the route-class breakdown and drop reasons), with the tree-down-cross line visually flagged.
62 lines
1.7 KiB
JSON
62 lines
1.7 KiB
JSON
{
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"data": {
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"connection_count": 0,
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"control_socket": "<redacted>",
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"effective_ipv6_mtu": 1203,
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"estimated_mesh_size": null,
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"exe_path": "<redacted>",
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"forwarding": {
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"decode_error_bytes": 0,
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"decode_error_packets": 0,
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"delivered_bytes": 0,
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"delivered_packets": 0,
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"drop_mtu_exceeded_bytes": 0,
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"drop_mtu_exceeded_packets": 0,
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"drop_no_route_bytes": 0,
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"drop_no_route_packets": 0,
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"drop_send_error_bytes": 0,
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"drop_send_error_packets": 0,
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"forwarded_bytes": 0,
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"forwarded_packets": 0,
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"originated_bytes": 0,
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"originated_packets": 0,
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"received_bytes": 0,
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"received_packets": 0,
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"route_crosslink_ascend": 0,
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"route_crosslink_descend": 0,
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"route_direct_peer": 0,
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"route_tree_down": 0,
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"route_tree_down_cross": 0,
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"route_tree_up": 0,
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"ttl_exhausted_bytes": 0,
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"ttl_exhausted_packets": 0
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},
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"ipv6_addr": "fd1b:4788:b7ab:7a43:6a61:1fc5:9fb1:e34c",
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"is_leaf_only": false,
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"is_root": true,
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"link_count": 0,
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"node_addr": "1b4788b7ab7a436a611fc59fb1e34c6e",
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"npub": "npub1sx42mj99aql52aklsg70y2jmr95u7uz2p40k769aw46ppjv302kqkhmu5r",
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"peer_count": 0,
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"persistent": false,
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"pid": "<redacted>",
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"root": "1b4788b7ab7a436a611fc59fb1e34c6e",
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"session_count": 0,
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"sparklines": {
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"bytes_in": [],
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"bytes_out": [],
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"loss_rate": [],
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"mesh_size": [],
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"peer_count": [],
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"tree_depth": []
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},
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"state": "created",
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"transport_count": 0,
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"transport_peer_counts": {},
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"tun_name": "<redacted>",
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"tun_state": "disabled",
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"uptime_secs": "<redacted>",
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"version": "<redacted>"
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},
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"status": "ok"
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} |