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config.go
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config.go
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package router
import (
"regexp"
"strings"
"github.com/xxhanxx/Xray-core/common/net"
"github.com/xxhanxx/Xray-core/features/outbound"
"github.com/xxhanxx/Xray-core/features/routing"
)
type Rule struct {
Tag string
Balancer *Balancer
Condition Condition
}
func (r *Rule) GetTag() (string, error) {
if r.Balancer != nil {
return r.Balancer.PickOutbound()
}
return r.Tag, nil
}
// Apply checks rule matching of current routing context.
func (r *Rule) Apply(ctx routing.Context) bool {
return r.Condition.Apply(ctx)
}
func (rr *RoutingRule) BuildCondition() (Condition, error) {
conds := NewConditionChan()
if len(rr.Domain) > 0 {
switch rr.DomainMatcher {
case "linear":
matcher, err := NewDomainMatcher(rr.Domain)
if err != nil {
return nil, newError("failed to build domain condition").Base(err)
}
conds.Add(matcher)
case "mph", "hybrid":
fallthrough
default:
matcher, err := NewMphMatcherGroup(rr.Domain)
if err != nil {
return nil, newError("failed to build domain condition with MphDomainMatcher").Base(err)
}
newError("MphDomainMatcher is enabled for ", len(rr.Domain), " domain rule(s)").AtDebug().WriteToLog()
conds.Add(matcher)
}
}
if len(rr.UserEmail) > 0 {
conds.Add(NewUserMatcher(rr.UserEmail))
}
if len(rr.InboundTag) > 0 {
conds.Add(NewInboundTagMatcher(rr.InboundTag))
}
if rr.PortList != nil {
conds.Add(NewPortMatcher(rr.PortList, false))
} else if rr.PortRange != nil {
conds.Add(NewPortMatcher(&net.PortList{Range: []*net.PortRange{rr.PortRange}}, false))
}
if rr.SourcePortList != nil {
conds.Add(NewPortMatcher(rr.SourcePortList, true))
}
if len(rr.Networks) > 0 {
conds.Add(NewNetworkMatcher(rr.Networks))
} else if rr.NetworkList != nil {
conds.Add(NewNetworkMatcher(rr.NetworkList.Network))
}
if len(rr.Geoip) > 0 {
cond, err := NewMultiGeoIPMatcher(rr.Geoip, false)
if err != nil {
return nil, err
}
conds.Add(cond)
} else if len(rr.Cidr) > 0 {
cond, err := NewMultiGeoIPMatcher([]*GeoIP{{Cidr: rr.Cidr}}, false)
if err != nil {
return nil, err
}
conds.Add(cond)
}
if len(rr.SourceGeoip) > 0 {
cond, err := NewMultiGeoIPMatcher(rr.SourceGeoip, true)
if err != nil {
return nil, err
}
conds.Add(cond)
} else if len(rr.SourceCidr) > 0 {
cond, err := NewMultiGeoIPMatcher([]*GeoIP{{Cidr: rr.SourceCidr}}, true)
if err != nil {
return nil, err
}
conds.Add(cond)
}
if len(rr.Protocol) > 0 {
conds.Add(NewProtocolMatcher(rr.Protocol))
}
if len(rr.Attributes) > 0 {
configuredKeys := make(map[string]*regexp.Regexp)
for key, value := range rr.Attributes {
configuredKeys[strings.ToLower(key)] = regexp.MustCompile(value)
}
conds.Add(&AttributeMatcher{configuredKeys})
}
if conds.Len() == 0 {
return nil, newError("this rule has no effective fields").AtWarning()
}
return conds, nil
}
func (br *BalancingRule) Build(ohm outbound.Manager) (*Balancer, error) {
switch br.Strategy {
case "leastPing":
return &Balancer{
selectors: br.OutboundSelector,
strategy: &LeastPingStrategy{},
ohm: ohm,
}, nil
case "random":
fallthrough
default:
return &Balancer{
selectors: br.OutboundSelector,
strategy: &RandomStrategy{},
ohm: ohm,
}, nil
}
}