Improve: add cache for macOS PROCESS-NAME

This commit is contained in:
Dreamacro 2020-07-22 20:35:27 +08:00
parent ee72865f48
commit 0e4b9daaad

View file

@ -4,6 +4,7 @@ import (
"bytes"
"encoding/binary"
"errors"
"fmt"
"net"
"path/filepath"
"strconv"
@ -11,10 +12,14 @@ import (
"syscall"
"unsafe"
"github.com/Dreamacro/clash/common/cache"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
)
// store process name for when dealing with multiple PROCESS-NAME rules
var processCache = cache.NewLRUCache(cache.WithAge(2), cache.WithSize(64))
type Process struct {
adapter string
process string
@ -25,13 +30,19 @@ func (ps *Process) RuleType() C.RuleType {
}
func (ps *Process) Match(metadata *C.Metadata) bool {
name, err := getExecPathFromAddress(metadata.SrcIP, metadata.SrcPort, metadata.NetWork == C.TCP)
if err != nil {
log.Debugln("[%s] getExecPathFromAddress error: %s", C.Process.String(), err.Error())
return false
key := fmt.Sprintf("%s:%s:%s", metadata.NetWork.String(), metadata.SrcIP.String(), metadata.SrcPort)
cached, hit := processCache.Get(key)
if !hit {
name, err := getExecPathFromAddress(metadata.SrcIP, metadata.SrcPort, metadata.NetWork == C.TCP)
if err != nil {
log.Debugln("[%s] getExecPathFromAddress error: %s", C.Process.String(), err.Error())
return false
}
cached = name
}
return strings.ToLower(name) == ps.process
return strings.EqualFold(cached.(string), ps.process)
}
func (p *Process) Adapter() string {