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engine: more performance improvements

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This commit is contained in:
hayzam
2026-05-18 09:17:24 +05:30
parent 77dba0c4fa
commit 581041b1a7
12 changed files with 1005 additions and 103 deletions
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engine/mac_resolver.go
+30 -41
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@@ -5,6 +5,7 @@ package engine
import (
"bufio"
"context"
"net"
"os"
"os/exec"
@@ -52,38 +53,6 @@ func (r *sourceMACResolver) Resolve(ip net.IP) net.HardwareAddr {
return nil
}
now := time.Now()
r.mu.RLock()
ifaceRefreshDue := now.Sub(r.lastIfaceRefresh) > ifaceCacheTTL
arpRefreshDue := now.Sub(r.lastARPRefresh) > arpCacheTTL
ndpRefreshDue := now.Sub(r.lastNDPRefresh) > ndpCacheTTL
if mac := r.ifaceByIP[ipKey]; len(mac) != 0 {
out := append(net.HardwareAddr(nil), mac...)
r.mu.RUnlock()
return out
}
if mac := r.arpByIP[ipKey]; len(mac) != 0 && !arpRefreshDue {
out := append(net.HardwareAddr(nil), mac...)
r.mu.RUnlock()
return out
}
if mac := r.ndpByIP[ipKey]; len(mac) != 0 && !ndpRefreshDue {
out := append(net.HardwareAddr(nil), mac...)
r.mu.RUnlock()
return out
}
r.mu.RUnlock()
if ifaceRefreshDue {
r.refreshIfaceCache(now)
}
if arpRefreshDue {
r.refreshARPCache(now)
}
if ndpRefreshDue {
r.refreshNDPCache(now)
}
r.mu.RLock()
defer r.mu.RUnlock()
if mac := r.ifaceByIP[ipKey]; len(mac) != 0 {
@@ -95,18 +64,38 @@ func (r *sourceMACResolver) Resolve(ip net.IP) net.HardwareAddr {
if mac := r.ndpByIP[ipKey]; len(mac) != 0 {
return append(net.HardwareAddr(nil), mac...)
}
return nil
}
// On-demand IPv6 neighbor lookup via route-netlink as a last fast path.
if ip.To4() == nil {
if mac, ok := lookupNeighborMACNetlink(ip); ok {
out := append(net.HardwareAddr(nil), mac...)
r.mu.Lock()
r.ndpByIP[ipKey] = append(net.HardwareAddr(nil), mac...)
r.mu.Unlock()
return out
func (r *sourceMACResolver) Run(ctx context.Context) {
r.refreshAll(time.Now())
ticker := time.NewTicker(arpCacheTTL)
defer ticker.Stop()
for {
select {
case <-ctx.Done():
return
case now := <-ticker.C:
r.refreshAll(now)
}
}
return nil
}
func (r *sourceMACResolver) refreshAll(now time.Time) {
r.mu.RLock()
ifaceRefreshDue := now.Sub(r.lastIfaceRefresh) > ifaceCacheTTL
arpRefreshDue := now.Sub(r.lastARPRefresh) > arpCacheTTL
ndpRefreshDue := now.Sub(r.lastNDPRefresh) > ndpCacheTTL
r.mu.RUnlock()
if ifaceRefreshDue {
r.refreshIfaceCache(now)
}
if arpRefreshDue {
r.refreshARPCache(now)
}
if ndpRefreshDue {
r.refreshNDPCache(now)
}
}
func (r *sourceMACResolver) refreshIfaceCache(now time.Time) {