forked from TrueCloudLab/frostfs-http-gw
68 lines
1.6 KiB
Go
68 lines
1.6 KiB
Go
package net
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import (
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"errors"
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"fmt"
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"net/netip"
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"slices"
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"time"
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"git.frostfs.info/TrueCloudLab/multinet"
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)
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var errEmptySourceIPList = errors.New("empty source IP list")
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type Subnet struct {
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Prefix string
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SourceIPs []string
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}
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type Config struct {
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Enabled bool
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Subnets []Subnet
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Balancer string
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Restrict bool
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FallbackDelay time.Duration
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EventHandler multinet.EventHandler
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}
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func (c Config) toMultinetConfig() (multinet.Config, error) {
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var subnets []multinet.Subnet
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for _, s := range c.Subnets {
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var ms multinet.Subnet
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p, err := netip.ParsePrefix(s.Prefix)
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if err != nil {
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return multinet.Config{}, fmt.Errorf("parse IP prefix '%s': %w", s.Prefix, err)
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}
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ms.Prefix = p
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for _, ip := range s.SourceIPs {
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addr, err := netip.ParseAddr(ip)
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if err != nil {
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return multinet.Config{}, fmt.Errorf("parse IP address '%s': %w", ip, err)
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}
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ms.SourceIPs = append(ms.SourceIPs, addr)
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}
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if len(ms.SourceIPs) == 0 {
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return multinet.Config{}, errEmptySourceIPList
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}
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subnets = append(subnets, ms)
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}
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return multinet.Config{
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Subnets: subnets,
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Balancer: multinet.BalancerType(c.Balancer),
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Restrict: c.Restrict,
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FallbackDelay: c.FallbackDelay,
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Dialer: newDefaultDialer(),
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EventHandler: c.EventHandler,
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}, nil
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}
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func (c Config) equals(other Config) bool {
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return c.Enabled == other.Enabled &&
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slices.EqualFunc(c.Subnets, other.Subnets, func(lhs, rhs Subnet) bool {
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return lhs.Prefix == rhs.Prefix && slices.Equal(lhs.SourceIPs, rhs.SourceIPs)
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}) &&
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c.Balancer == other.Balancer &&
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c.Restrict == other.Restrict &&
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c.FallbackDelay == other.FallbackDelay
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}
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