chore: Generate UUID from fastrand

context/conn.go

@@ -1,6 +1,7 @@
 package context
 
 import (
+	"github.com/Dreamacro/clash/common/utils"
 	"net"
 
 	N "github.com/Dreamacro/clash/common/net"
@@ -16,7 +17,7 @@ type ConnContext struct {
 }
 
 func NewConnContext(conn net.Conn, metadata *C.Metadata) *ConnContext {
-	id, _ := uuid.NewV4()
+	id, _ := utils.UnsafeUUIDGenerator.NewV4()
 
 	return &ConnContext{
 		id:       id,

context/dns.go

@@ -2,6 +2,7 @@ package context
 
 import (
 	"context"
+	"github.com/Dreamacro/clash/common/utils"
 
 	"github.com/gofrs/uuid"
 	"github.com/miekg/dns"
@@ -22,7 +23,7 @@ type DNSContext struct {
 }
 
 func NewDNSContext(ctx context.Context, msg *dns.Msg) *DNSContext {
-	id, _ := uuid.NewV4()
+	id, _ := utils.UnsafeUUIDGenerator.NewV4()
 	return &DNSContext{
 		Context: ctx,
 

context/packetconn.go

@@ -3,6 +3,7 @@ package context
 import (
 	"net"
 
+	"github.com/Dreamacro/clash/common/utils"
 	C "github.com/Dreamacro/clash/constant"
 
 	"github.com/gofrs/uuid"
@@ -15,7 +16,7 @@ type PacketConnContext struct {
 }
 
 func NewPacketConnContext(metadata *C.Metadata) *PacketConnContext {
-	id, _ := uuid.NewV4()
+	id, _ := utils.UnsafeUUIDGenerator.NewV4()
 	return &PacketConnContext{
 		id:       id,
 		metadata: metadata,