mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-11-14 04:43:17 +00:00
90 lines
2.2 KiB
Go
90 lines
2.2 KiB
Go
package fakeip
|
|
|
|
import (
|
|
"net/netip"
|
|
"sync"
|
|
|
|
"github.com/sagernet/sing-box/adapter"
|
|
"github.com/sagernet/sing/common/logger"
|
|
)
|
|
|
|
var _ adapter.FakeIPStorage = (*MemoryStorage)(nil)
|
|
|
|
type MemoryStorage struct {
|
|
addressAccess sync.RWMutex
|
|
domainAccess sync.RWMutex
|
|
addressCache map[netip.Addr]string
|
|
domainCache4 map[string]netip.Addr
|
|
domainCache6 map[string]netip.Addr
|
|
}
|
|
|
|
func NewMemoryStorage() *MemoryStorage {
|
|
return &MemoryStorage{
|
|
addressCache: make(map[netip.Addr]string),
|
|
domainCache4: make(map[string]netip.Addr),
|
|
domainCache6: make(map[string]netip.Addr),
|
|
}
|
|
}
|
|
|
|
func (s *MemoryStorage) FakeIPMetadata() *adapter.FakeIPMetadata {
|
|
return nil
|
|
}
|
|
|
|
func (s *MemoryStorage) FakeIPSaveMetadata(metadata *adapter.FakeIPMetadata) error {
|
|
return nil
|
|
}
|
|
|
|
func (s *MemoryStorage) FakeIPSaveMetadataAsync(metadata *adapter.FakeIPMetadata) {
|
|
}
|
|
|
|
func (s *MemoryStorage) FakeIPStore(address netip.Addr, domain string) error {
|
|
s.addressAccess.Lock()
|
|
s.domainAccess.Lock()
|
|
if oldDomain, loaded := s.addressCache[address]; loaded {
|
|
if address.Is4() {
|
|
delete(s.domainCache4, oldDomain)
|
|
} else {
|
|
delete(s.domainCache6, oldDomain)
|
|
}
|
|
}
|
|
s.addressCache[address] = domain
|
|
if address.Is4() {
|
|
s.domainCache4[domain] = address
|
|
} else {
|
|
s.domainCache6[domain] = address
|
|
}
|
|
s.domainAccess.Unlock()
|
|
s.addressAccess.Unlock()
|
|
return nil
|
|
}
|
|
|
|
func (s *MemoryStorage) FakeIPStoreAsync(address netip.Addr, domain string, logger logger.Logger) {
|
|
_ = s.FakeIPStore(address, domain)
|
|
}
|
|
|
|
func (s *MemoryStorage) FakeIPLoad(address netip.Addr) (string, bool) {
|
|
s.addressAccess.RLock()
|
|
defer s.addressAccess.RUnlock()
|
|
domain, loaded := s.addressCache[address]
|
|
return domain, loaded
|
|
}
|
|
|
|
func (s *MemoryStorage) FakeIPLoadDomain(domain string, isIPv6 bool) (netip.Addr, bool) {
|
|
s.domainAccess.RLock()
|
|
defer s.domainAccess.RUnlock()
|
|
if !isIPv6 {
|
|
address, loaded := s.domainCache4[domain]
|
|
return address, loaded
|
|
} else {
|
|
address, loaded := s.domainCache6[domain]
|
|
return address, loaded
|
|
}
|
|
}
|
|
|
|
func (s *MemoryStorage) FakeIPReset() error {
|
|
s.addressCache = make(map[netip.Addr]string)
|
|
s.domainCache4 = make(map[string]netip.Addr)
|
|
s.domainCache6 = make(map[string]netip.Addr)
|
|
return nil
|
|
}
|