Remove legacy code (#3838)

* Add feature migration notice

* Remove legacy code of transport processing

* Clear legacy proto field

* Fix missing

* Unify protocolname

* Test remove

* Supressor

* Weird code

* Remove errorgen related comments

common/buf/buf.go

@@ -1,4 +1,2 @@
 // Package buf provides a light-weight memory allocation mechanism.
 package buf // import "github.com/xtls/xray-core/common/buf"
-
-//go:generate go run github.com/xtls/xray-core/common/errors/errorgen

common/common.go

@@ -12,8 +12,6 @@ import (
 	"github.com/xtls/xray-core/common/errors"
 )
 
-//go:generate go run github.com/xtls/xray-core/common/errors/errorgen
-
 // ErrNoClue is for the situation that existing information is not enough to make a decision. For example, Router may return this error when there is no suitable route.
 var ErrNoClue = errors.New("not enough information for making a decision")
 

common/crypto/crypto.go

@@ -1,4 +1,2 @@
 // Package crypto provides common crypto libraries for Xray.
 package crypto // import "github.com/xtls/xray-core/common/crypto"
-
-//go:generate go run github.com/xtls/xray-core/common/errors/errorgen

common/drain/drain.go

@@ -2,8 +2,6 @@ package drain
 
 import "io"
 
-//go:generate go run github.com/xtls/xray-core/common/errors/errorgen
-
 type Drainer interface {
 	AcknowledgeReceive(size int)
 	Drain(reader io.Reader) error

common/errors/feature_errors.go

@@ -4,6 +4,15 @@ import (
 	"context"
 )
 
+// PrintMigrateFeatureInfo prints a notice of the upcoming feature migration.
+// Place it after the source feature related config file pharser code.
+// Important note: Only use this when the target migrating feature is under construction.
+// Important note: Even when the target migrating feature has finished its construction, this notice can still be used yet before announcing deprecation of the old feature.
+// Do not remove this function even there is no reference to it.
+func PrintMigrateFeatureInfo(sourceFeature string, targetFeature string) {
+	LogInfo(context.Background(), "The feature " + sourceFeature + " will be migrated to " + targetFeature + " in the future.")
+}
+
 // PrintDeprecatedFeatureWarning prints a warning for deprecated and going to be removed feature.
 // Do not remove this function even there is no reference to it.
 func PrintDeprecatedFeatureWarning(feature string, migrateFeature string) {

common/mux/mux.go

@@ -1,3 +1 @@
 package mux
-
-//go:generate go run github.com/xtls/xray-core/common/errors/errorgen

common/net/net.go

@@ -1,4 +1,2 @@
 // Package net is a drop-in replacement to Golang's net package, with some more functionalities.
 package net // import "github.com/xtls/xray-core/common/net"
-
-//go:generate go run github.com/xtls/xray-core/common/errors/errorgen

common/net/network.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.34.2
-// 	protoc        v5.27.0
+// 	protoc        v5.28.0
 // source: common/net/network.proto
 
 package net
@@ -24,25 +24,21 @@ type Network int32
 
 const (
 	Network_Unknown Network = 0
-	// Deprecated: Marked as deprecated in common/net/network.proto.
-	Network_RawTCP Network = 1
-	Network_TCP    Network = 2
-	Network_UDP    Network = 3
-	Network_UNIX   Network = 4
+	Network_TCP     Network = 2
+	Network_UDP     Network = 3
+	Network_UNIX    Network = 4
 )
 
 // Enum value maps for Network.
 var (
 	Network_name = map[int32]string{
 		0: "Unknown",
-		1: "RawTCP",
 		2: "TCP",
 		3: "UDP",
 		4: "UNIX",
 	}
 	Network_value = map[string]int32{
 		"Unknown": 0,
-		"RawTCP":  1,
 		"TCP":     2,
 		"UDP":     3,
 		"UNIX":    4,
@@ -133,10 +129,9 @@ var file_common_net_network_proto_rawDesc = []byte{
 	0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x4c, 0x69, 0x73, 0x74, 0x12, 0x32, 0x0a, 0x07, 0x6e, 0x65,
 	0x74, 0x77, 0x6f, 0x72, 0x6b, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0e, 0x32, 0x18, 0x2e, 0x78, 0x72,
 	0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x6e, 0x65, 0x74, 0x2e, 0x4e, 0x65,
-	0x74, 0x77, 0x6f, 0x72, 0x6b, 0x52, 0x07, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x2a, 0x42,
+	0x74, 0x77, 0x6f, 0x72, 0x6b, 0x52, 0x07, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x2a, 0x32,
 	0x0a, 0x07, 0x4e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x12, 0x0b, 0x0a, 0x07, 0x55, 0x6e, 0x6b,
-	0x6e, 0x6f, 0x77, 0x6e, 0x10, 0x00, 0x12, 0x0e, 0x0a, 0x06, 0x52, 0x61, 0x77, 0x54, 0x43, 0x50,
-	0x10, 0x01, 0x1a, 0x02, 0x08, 0x01, 0x12, 0x07, 0x0a, 0x03, 0x54, 0x43, 0x50, 0x10, 0x02, 0x12,
+	0x6e, 0x6f, 0x77, 0x6e, 0x10, 0x00, 0x12, 0x07, 0x0a, 0x03, 0x54, 0x43, 0x50, 0x10, 0x02, 0x12,
 	0x07, 0x0a, 0x03, 0x55, 0x44, 0x50, 0x10, 0x03, 0x12, 0x08, 0x0a, 0x04, 0x55, 0x4e, 0x49, 0x58,
 	0x10, 0x04, 0x42, 0x4f, 0x0a, 0x13, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63,
 	0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x6e, 0x65, 0x74, 0x50, 0x01, 0x5a, 0x24, 0x67, 0x69, 0x74,

common/net/network.proto

@@ -9,7 +9,6 @@ option java_multiple_files = true;
 enum Network {
   Unknown = 0;
 
-  RawTCP = 1 [deprecated = true];
   TCP = 2;
   UDP = 3;
   UNIX = 4;

common/platform/ctlcmd/ctlcmd.go

@@ -12,8 +12,6 @@ import (
 	"github.com/xtls/xray-core/common/platform"
 )
 
-//go:generate go run github.com/xtls/xray-core/common/errors/errorgen
-
 func Run(args []string, input io.Reader) (buf.MultiBuffer, error) {
 	xctl := platform.GetToolLocation("xctl")
 	if _, err := os.Stat(xctl); err != nil {

common/protocol/protocol.go

@@ -1,3 +1 @@
 package protocol // import "github.com/xtls/xray-core/common/protocol"
-
-//go:generate go run github.com/xtls/xray-core/common/errors/errorgen

common/protocol/tls/cert/cert.go

@@ -16,8 +16,6 @@ import (
 	"github.com/xtls/xray-core/common/errors"
 )
 
-//go:generate go run github.com/xtls/xray-core/common/errors/errorgen
-
 type Certificate struct {
 	// certificate in ASN.1 DER format
 	Certificate []byte

common/retry/retry.go

@@ -1,7 +1,5 @@
 package retry // import "github.com/xtls/xray-core/common/retry"
 
-//go:generate go run github.com/xtls/xray-core/common/errors/errorgen
-
 import (
 	"time"