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hscontrol/state: make NodeStore batch configuration tunable (#2886)

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This commit is contained in:
Kristoffer Dalby
2025-11-28 16:38:29 +01:00
committed by GitHub
parent 9c4c017eac
commit db293e0698
11 changed files with 267 additions and 140 deletions
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22
hscontrol/db/node.go
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@@ -749,15 +749,25 @@ func (hsdb *HSDatabase) allocateTestIPs(nodeID types.NodeID) (*netip.Addr, *neti
}
// Use simple sequential allocation for tests
// IPv4: 100.64.0.x (where x is nodeID)
// IPv6: fd7a:115c:a1e0::x (where x is nodeID)
// IPv4: 100.64.x.y (where x = nodeID/256, y = nodeID%256)
// IPv6: fd7a:115c:a1e0::x:y (where x = high byte, y = low byte)
// This supports up to 65535 nodes
const (
maxTestNodes = 65535
ipv4ByteDivisor = 256
)
if nodeID > 254 {
return nil, nil, fmt.Errorf("test node ID %d too large for simple IP allocation", nodeID)
if nodeID > maxTestNodes {
return nil, nil, ErrCouldNotAllocateIP
}
ipv4 := netip.AddrFrom4([4]byte{100, 64, 0, byte(nodeID)})
ipv6 := netip.AddrFrom16([16]byte{0xfd, 0x7a, 0x11, 0x5c, 0xa1, 0xe0, 0, 0, 0, 0, 0, 0, 0, 0, 0, byte(nodeID)})
// Split nodeID into high and low bytes for IPv4 (100.64.high.low)
highByte := byte(nodeID / ipv4ByteDivisor)
lowByte := byte(nodeID % ipv4ByteDivisor)
ipv4 := netip.AddrFrom4([4]byte{100, 64, highByte, lowByte})
// For IPv6, use the last two bytes of the address (fd7a:115c:a1e0::high:low)
ipv6 := netip.AddrFrom16([16]byte{0xfd, 0x7a, 0x11, 0x5c, 0xa1, 0xe0, 0, 0, 0, 0, 0, 0, 0, 0, highByte, lowByte})
return &ipv4, &ipv6, nil
}