2 Commits

Author SHA1 Message Date
loveuer 00eba85e39 feat: add VRRP unicast peer support for macvlan and restricted network environments
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- Add unicast_src_ip and unicast_peers config fields
- NewUnicastSocket binds to source IP for proper packet reception
- SendTo() sends VRRP advertisements directly to peer IPs
- Receive loop filters packets from non-peer sources in unicast mode
- Backward compatible: multicast mode used when unicast_peers is empty
- Add unicast config example (etc/config.unicast.yaml)
- Update README with unicast documentation and examples
2026-06-07 13:14:17 +08:00
loveuer 894ddb53d3 feat: initial VRRP implementation with health checking
- VRRP protocol implementation (RFC 3768/5798)
- Virtual IP management (add/remove VIPs)
- State machine (INIT/BACKUP/MASTER/FAULT)
- Priority-based master election
- Gratuitous ARP for network updates
- Health checking (TCP, HTTP, ICMP, Script)
- Configuration hot-reload (SIGHUP)

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2026-03-04 00:13:35 -08:00