feat: add config_parser

common/consts/ebpf.go

@@ -20,8 +20,6 @@ const (
 	BigEndianTproxyPortKey
 	DisableL4TxChecksumKey
 	DisableL4RxChecksumKey
-	EpochKey
-	RoutingsLenKey
 )
 
 type DisableL4ChecksumPolicy uint32
@@ -50,6 +48,7 @@ type OutboundIndex uint8
 
 const (
 	OutboundDirect             OutboundIndex = 0
+	OutboundBlock              OutboundIndex = 1
 	OutboundControlPlaneDirect OutboundIndex = 0xFE
 	OutboundLogicalAnd         OutboundIndex = 0xFF
 )
@@ -58,6 +57,8 @@ func (i OutboundIndex) String() string {
 	switch i {
 	case OutboundDirect:
 		return "direct"
+	case OutboundBlock:
+		return "block"
 	case OutboundControlPlaneDirect:
 		return "<Control Plane Direct>"
 	case OutboundLogicalAnd:

common/consts/routing.go

@@ -19,4 +19,6 @@ const (
 	Function_Mac        = "mac"
 	Function_L4Proto    = "l4proto"
 	Function_IpVersion  = "ipversion"
+
+	Declaration_Final = "final"
 )

common/debug.go

@@ -0,0 +1,28 @@
+/*
+ * SPDX-License-Identifier: AGPL-3.0-only
+ * Copyright (c) since 2023, mzz2017 (mzz@tuta.io). All rights reserved.
+ */
+
+package common
+
+import (
+	"github.com/sirupsen/logrus"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+)
+
+func ReportMemory(tag string) {
+	if !logrus.IsLevelEnabled(logrus.DebugLevel) {
+		return
+	}
+	b, err := os.ReadFile(filepath.Join("/proc", strconv.Itoa(os.Getpid()), "status"))
+	if err != nil {
+		panic(err)
+	}
+	str := strings.TrimSpace(string(b))
+	_, after, _ := strings.Cut(str, "VmHWM:")
+	usage, _, _ := strings.Cut(after, "\n")
+	logrus.Debugln(tag+": memory usage:", strings.TrimSpace(usage))
+}