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Add flow dispatcher

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世界 2026-07-06 11:49:18 +08:00
parent 47bdde06c3
commit ed63adda33
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GPG key ID: CD109927C34A63C4
27 changed files with 2469 additions and 963 deletions
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13
stack_system_nat.go
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@ -5,9 +5,6 @@ import (
"net/netip"
"sync"
"time"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
type TCPNat struct {
@ -85,17 +82,13 @@ func (n *TCPNat) LookupBack(port uint16) *TCPSession {
return session
}
func (n *TCPNat) Lookup(source netip.AddrPort, destination netip.AddrPort, handler Handler) (uint16, error) {
func (n *TCPNat) Lookup(source netip.AddrPort, destination netip.AddrPort) uint16 {
key := tcpNatKey{Source: source, Destination: destination}
n.addrAccess.RLock()
port, loaded := n.addrMap[key]
n.addrAccess.RUnlock()
if loaded {
return port, nil
}
_, pErr := handler.PrepareConnection(N.NetworkTCP, M.SocksaddrFromNetIP(source), M.SocksaddrFromNetIP(destination), nil, 0)
if pErr != nil {
return 0, pErr
return port
}
n.addrAccess.Lock()
nextPort := n.portIndex
@ -114,5 +107,5 @@ func (n *TCPNat) Lookup(source netip.AddrPort, destination netip.AddrPort, handl
LastActive: time.Now(),
}
n.portAccess.Unlock()
return nextPort, nil
return nextPort
}