Add sub-command "-dump" to "run". (#2854)

* Add MarshalToJson().

* Add cmd arg -dump for printing out merged multiple json configs.

---------

Co-authored-by: nobody <nobody@nowhere.mars>
This commit is contained in:
nobody 2023-12-30 00:16:48 +08:00 committed by GitHub
parent 006cf491e5
commit 44bb83033f
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
6 changed files with 476 additions and 10 deletions

View file

@ -27,6 +27,11 @@ type generalLogger struct {
done *done.Instance
}
type serverityLogger struct {
inner *generalLogger
logLevel Severity
}
// NewLogger returns a generic log handler that can handle all type of messages.
func NewLogger(logWriterCreator WriterCreator) Handler {
return &generalLogger{
@ -37,6 +42,32 @@ func NewLogger(logWriterCreator WriterCreator) Handler {
}
}
func ReplaceWithSeverityLogger(serverity Severity) {
w := CreateStdoutLogWriter()
g := &generalLogger{
creator: w,
buffer: make(chan Message, 16),
access: semaphore.New(1),
done: done.New(),
}
s := &serverityLogger{
inner: g,
logLevel: serverity,
}
RegisterHandler(s)
}
func (l *serverityLogger) Handle(msg Message) {
switch msg := msg.(type) {
case *GeneralMessage:
if msg.Severity <= l.logLevel {
l.inner.Handle(msg)
}
default:
l.inner.Handle(msg)
}
}
func (l *generalLogger) run() {
defer l.access.Signal()
@ -67,6 +98,7 @@ func (l *generalLogger) run() {
}
func (l *generalLogger) Handle(msg Message) {
select {
case l.buffer <- msg:
default:

173
common/reflect/marshal.go Normal file
View file

@ -0,0 +1,173 @@
package reflect
import (
"encoding/json"
"reflect"
"slices"
cserial "github.com/xtls/xray-core/common/serial"
)
func MarshalToJson(v interface{}) (string, bool) {
if itf := marshalInterface(v, true); itf != nil {
if b, err := json.MarshalIndent(itf, "", " "); err == nil {
return string(b[:]), true
}
}
return "", false
}
func marshalTypedMessage(v *cserial.TypedMessage, ignoreNullValue bool) interface{} {
tmsg, err := v.GetInstance()
if err != nil {
return nil
}
r := marshalInterface(tmsg, ignoreNullValue)
if msg, ok := r.(map[string]interface{}); ok {
msg["_TypedMessage_"] = v.Type
}
return r
}
func marshalSlice(v reflect.Value, ignoreNullValue bool) interface{} {
r := make([]interface{}, 0)
for i := 0; i < v.Len(); i++ {
rv := v.Index(i)
if rv.CanInterface() {
value := rv.Interface()
r = append(r, marshalInterface(value, ignoreNullValue))
}
}
return r
}
func marshalStruct(v reflect.Value, ignoreNullValue bool) interface{} {
r := make(map[string]interface{})
t := v.Type()
for i := 0; i < v.NumField(); i++ {
rv := v.Field(i)
if rv.CanInterface() {
ft := t.Field(i)
name := ft.Name
value := rv.Interface()
tv := marshalInterface(value, ignoreNullValue)
if tv != nil || !ignoreNullValue {
r[name] = tv
}
}
}
return r
}
func marshalMap(v reflect.Value, ignoreNullValue bool) interface{} {
// policy.level is map[uint32] *struct
kt := v.Type().Key()
vt := reflect.TypeOf((*interface{})(nil))
mt := reflect.MapOf(kt, vt)
r := reflect.MakeMap(mt)
for _, key := range v.MapKeys() {
rv := v.MapIndex(key)
if rv.CanInterface() {
iv := rv.Interface()
tv := marshalInterface(iv, ignoreNullValue)
if tv != nil || !ignoreNullValue {
r.SetMapIndex(key, reflect.ValueOf(&tv))
}
}
}
return r.Interface()
}
func marshalIString(v interface{}) (r string, ok bool) {
defer func() {
if err := recover(); err != nil {
r = ""
ok = false
}
}()
if iStringFn, ok := v.(interface{ String() string }); ok {
return iStringFn.String(), true
}
return "", false
}
func marshalKnownType(v interface{}, ignoreNullValue bool) (interface{}, bool) {
switch ty := v.(type) {
case cserial.TypedMessage:
return marshalTypedMessage(&ty, ignoreNullValue), true
case *cserial.TypedMessage:
return marshalTypedMessage(ty, ignoreNullValue), true
case map[string]json.RawMessage:
return ty, true
case []json.RawMessage:
return ty, true
case *json.RawMessage:
return ty, true
case json.RawMessage:
return ty, true
default:
return nil, false
}
}
var valueKinds = []reflect.Kind{
reflect.Bool,
reflect.Int,
reflect.Int8,
reflect.Int16,
reflect.Int32,
reflect.Int64,
reflect.Uint,
reflect.Uint8,
reflect.Uint16,
reflect.Uint32,
reflect.Uint64,
reflect.Uintptr,
reflect.Float32,
reflect.Float64,
reflect.Complex64,
reflect.Complex128,
reflect.String,
}
func isValueKind(kind reflect.Kind) bool {
return slices.Contains(valueKinds, kind)
}
func marshalInterface(v interface{}, ignoreNullValue bool) interface{} {
if r, ok := marshalKnownType(v, ignoreNullValue); ok {
return r
}
rv := reflect.ValueOf(v)
if rv.Kind() == reflect.Ptr {
rv = rv.Elem()
}
k := rv.Kind()
if k == reflect.Invalid {
return nil
}
if isValueKind(k) {
return v
}
switch k {
case reflect.Struct:
return marshalStruct(rv, ignoreNullValue)
case reflect.Slice:
return marshalSlice(rv, ignoreNullValue)
case reflect.Array:
return marshalSlice(rv, ignoreNullValue)
case reflect.Map:
return marshalMap(rv, ignoreNullValue)
default:
break
}
if str, ok := marshalIString(v); ok {
return str
}
return nil
}

View file

@ -0,0 +1,187 @@
package reflect_test
import (
"bytes"
"encoding/json"
"strings"
"testing"
. "github.com/xtls/xray-core/common/reflect"
cserial "github.com/xtls/xray-core/common/serial"
iserial "github.com/xtls/xray-core/infra/conf/serial"
)
func TestMashalStruct(t *testing.T) {
type Foo = struct {
N int `json:"n"`
Np *int `json:"np"`
S string `json:"s"`
Arr *[]map[string]map[string]string `json:"arr"`
}
n := 1
np := &n
arr := make([]map[string]map[string]string, 0)
m1 := make(map[string]map[string]string, 0)
m2 := make(map[string]string, 0)
m2["hello"] = "world"
m1["foo"] = m2
arr = append(arr, m1)
f1 := Foo{
N: n,
Np: np,
S: "hello",
Arr: &arr,
}
s, ok1 := MarshalToJson(f1)
sp, ok2 := MarshalToJson(&f1)
if !ok1 || !ok2 || s != sp {
t.Error("marshal failed")
}
f2 := Foo{}
if json.Unmarshal([]byte(s), &f2) != nil {
t.Error("json unmarshal failed")
}
v := (*f2.Arr)[0]["foo"]["hello"]
if f1.N != f2.N || *(f1.Np) != *(f2.Np) || f1.S != f2.S || v != "world" {
t.Error("f1 not equal to f2")
}
}
func TestMarshalConfigJson(t *testing.T) {
buf := bytes.NewBufferString(getConfig())
config, err := iserial.DecodeJSONConfig(buf)
if err != nil {
t.Error("decode JSON config failed")
}
bc, err := config.Build()
if err != nil {
t.Error("build core config failed")
}
tmsg := cserial.ToTypedMessage(bc)
tc, ok := MarshalToJson(tmsg)
if !ok {
t.Error("marshal config failed")
}
// t.Log(tc)
keywords := []string{
"4784f9b8-a879-4fec-9718-ebddefa47750",
"bing.com",
"DomainStrategy",
"InboundTag",
"Level",
"Stats",
"UserDownlink",
"UserUplink",
"System",
"InboundDownlink",
"OutboundUplink",
}
for _, kw := range keywords {
if !strings.Contains(tc, kw) {
t.Error("marshaled config error")
}
}
}
func getConfig() string {
return `{
"log": {
"loglevel": "debug"
},
"stats": {},
"policy": {
"levels": {
"0": {
"statsUserUplink": true,
"statsUserDownlink": true
}
},
"system": {
"statsInboundUplink": true,
"statsInboundDownlink": true,
"statsOutboundUplink": true,
"statsOutboundDownlink": true
}
},
"inbounds": [
{
"tag": "agentin",
"protocol": "http",
"port": 8080,
"listen": "127.0.0.1",
"settings": {}
},
{
"listen": "127.0.0.1",
"port": 10085,
"protocol": "dokodemo-door",
"settings": {
"address": "127.0.0.1"
},
"tag": "api-in"
}
],
"api": {
"tag": "api",
"services": [
"HandlerService",
"StatsService"
]
},
"routing": {
"rules": [
{
"inboundTag": [
"api-in"
],
"outboundTag": "api",
"type": "field"
}
],
"domainStrategy": "AsIs"
},
"outbounds": [
{
"protocol": "vless",
"settings": {
"vnext": [
{
"address": "1.2.3.4",
"port": 1234,
"users": [
{
"id": "4784f9b8-a879-4fec-9718-ebddefa47750",
"encryption": "none"
}
]
}
]
},
"tag": "agentout",
"streamSettings": {
"network": "ws",
"security": "none",
"wsSettings": {
"path": "/?ed=2048",
"headers": {
"Host": "bing.com"
}
}
}
}
]
}`
}