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Add grpc multi conn

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风扇滑翔翼 2024-12-19 10:45:35 +00:00 committed by GitHub
parent ae62a0fb52
commit a7e12176fb
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GPG key ID: B5690EEEBB952194
4 changed files with 85 additions and 11 deletions
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2
infra/conf/grpc.go
View file

@ -14,6 +14,7 @@ type GRPCConfig struct {
PermitWithoutStream bool `json:"permit_without_stream"`
InitialWindowsSize int32 `json:"initial_windows_size"`
UserAgent string `json:"user_agent"`
MultiConnections int32 `json:"multi_connections"`
}
func (g *GRPCConfig) Build() (proto.Message, error) {
@ -37,5 +38,6 @@ func (g *GRPCConfig) Build() (proto.Message, error) {
PermitWithoutStream: g.PermitWithoutStream,
InitialWindowsSize: g.InitialWindowsSize,
UserAgent: g.UserAgent,
MultiConnections: g.MultiConnections,
}, nil
}

21
transport/internet/grpc/config.pb.go
View file

@ -33,6 +33,7 @@ type Config struct {
PermitWithoutStream bool `protobuf:"varint,6,opt,name=permit_without_stream,json=permitWithoutStream,proto3" json:"permit_without_stream,omitempty"`
InitialWindowsSize int32 `protobuf:"varint,7,opt,name=initial_windows_size,json=initialWindowsSize,proto3" json:"initial_windows_size,omitempty"`
UserAgent string `protobuf:"bytes,8,opt,name=user_agent,json=userAgent,proto3" json:"user_agent,omitempty"`
MultiConnections int32 `protobuf:"varint,9,opt,name=multi_connections,json=multiConnections,proto3" json:"multi_connections,omitempty"`
}
func (x *Config) Reset() {
@ -121,6 +122,13 @@ func (x *Config) GetUserAgent() string {
return ""
}
func (x *Config) GetMultiConnections() int32 {
if x != nil {
return x.MultiConnections
}
return 0
}
var File_transport_internet_grpc_config_proto protoreflect.FileDescriptor
var file_transport_internet_grpc_config_proto_rawDesc = []byte{
@ -128,7 +136,7 @@ var file_transport_internet_grpc_config_proto_rawDesc = []byte{
0x72, 0x6e, 0x65, 0x74, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67,
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@ -149,10 +157,13 @@ var file_transport_internet_grpc_config_proto_rawDesc = []byte{
0x12, 0x69, 0x6e, 0x69, 0x74, 0x69, 0x61, 0x6c, 0x57, 0x69, 0x6e, 0x64, 0x6f, 0x77, 0x73, 0x53,
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}
var (

1
transport/internet/grpc/config.proto
View file

@ -12,4 +12,5 @@ message Config {
bool permit_without_stream = 6;
int32 initial_windows_size = 7;
string user_agent = 8;
int32 multi_connections = 9;
}

72
transport/internet/grpc/dial.go
View file

@ -8,6 +8,7 @@ import (
"github.com/xtls/xray-core/common"
c "github.com/xtls/xray-core/common/ctx"
"github.com/xtls/xray-core/common/dice"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/session"
@ -42,8 +43,61 @@ type dialerConf struct {
*internet.MemoryStreamConfig
}
type globalDialers struct {
connMap map[dialerConf][]*grpc.ClientConn
}
// getClientConn returns a client connection from the global dialer if the connections already reached the target number
// otherwise return nil
func (d *globalDialers) getClientConn(conf dialerConf) (*grpc.ClientConn, int) {
if d.connMap == nil {
d.connMap = make(map[dialerConf][]*grpc.ClientConn)
}
if d.connMap[conf] == nil {
d.connMap[conf] = []*grpc.ClientConn{}
}
conns := d.connMap[conf]
targetConnsNum := conf.MemoryStreamConfig.ProtocolSettings.(*Config).MultiConnections
if targetConnsNum > int32(len(conns)) {
return nil, 0
} else {
index := dice.Roll(len(conns))
return conns[index], index
}
}
// addClientConn adds a client connection to the global dialer
func (d *globalDialers) addClientConn(conf dialerConf, conn *grpc.ClientConn) error {
if d.connMap == nil {
d.connMap = make(map[dialerConf][]*grpc.ClientConn)
}
if d.connMap[conf] == nil {
d.connMap[conf] = []*grpc.ClientConn{}
}
conns := d.connMap[conf]
targetConnsNum := conf.MemoryStreamConfig.ProtocolSettings.(*Config).MultiConnections
if targetConnsNum <= int32(len(conns)) {
return errors.New("failed to add client connection beacuse reach the limit")
} else {
conns = append(conns, conn)
d.connMap[conf] = conns
return nil
}
}
// updateClientConnWithIndex updates a client connection with the given index
// in the case if the clientConn is shutting down, replace it with the new one
func (d *globalDialers) updateClientConnWithIndex(conf dialerConf, conn *grpc.ClientConn, index int) error {
conns := d.connMap[conf]
conns[index] = conn
return nil
}
var (
globalDialerMap map[dialerConf]*grpc.ClientConn
globalDialer globalDialers
globalDialerAccess sync.Mutex
)
@ -77,15 +131,13 @@ func getGrpcClient(ctx context.Context, dest net.Destination, streamSettings *in
globalDialerAccess.Lock()
defer globalDialerAccess.Unlock()
if globalDialerMap == nil {
globalDialerMap = make(map[dialerConf]*grpc.ClientConn)
}
tlsConfig := tls.ConfigFromStreamSettings(streamSettings)
realityConfig := reality.ConfigFromStreamSettings(streamSettings)
sockopt := streamSettings.SocketSettings
grpcSettings := streamSettings.ProtocolSettings.(*Config)
if client, found := globalDialerMap[dialerConf{dest, streamSettings}]; found && client.GetState() != connectivity.Shutdown {
client, index := globalDialer.getClientConn(dialerConf{dest, streamSettings})
if client != nil && client.GetState() != connectivity.Shutdown {
return client, nil
}
@ -183,6 +235,14 @@ func getGrpcClient(ctx context.Context, dest net.Destination, streamSettings *in
gonet.JoinHostPort(grpcDestHost, dest.Port.String()),
dialOptions...,
)
globalDialerMap[dialerConf{dest, streamSettings}] = conn
if client == nil {
err := globalDialer.addClientConn(dialerConf{dest, streamSettings}, conn)
if err != nil {
return nil, err
}
}
if client != nil && client.GetState() == connectivity.Shutdown {
globalDialer.updateClientConnWithIndex(dialerConf{dest, streamSettings}, conn, index)
}
return conn, err
}