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mirror of https://github.com/v2fly/v2ray-core.git synced 2024-06-11 18:30:43 +00:00

network observatory service

This commit is contained in:
Shelikhoo 2021-03-06 16:26:15 +00:00
parent 6f913b31e2
commit d79b8291c3
No known key found for this signature in database
GPG Key ID: C4D5E79D22B25316
3 changed files with 385 additions and 51 deletions

View File

@ -25,6 +25,53 @@ const (
// of the legacy proto package is being used.
const _ = proto.ProtoPackageIsVersion4
type ObservationResult struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Status []*OutboundStatus `protobuf:"bytes,1,rep,name=status,proto3" json:"status,omitempty"`
}
func (x *ObservationResult) Reset() {
*x = ObservationResult{}
if protoimpl.UnsafeEnabled {
mi := &file_app_observatory_config_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *ObservationResult) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*ObservationResult) ProtoMessage() {}
func (x *ObservationResult) ProtoReflect() protoreflect.Message {
mi := &file_app_observatory_config_proto_msgTypes[0]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use ObservationResult.ProtoReflect.Descriptor instead.
func (*ObservationResult) Descriptor() ([]byte, []int) {
return file_app_observatory_config_proto_rawDescGZIP(), []int{0}
}
func (x *ObservationResult) GetStatus() []*OutboundStatus {
if x != nil {
return x.Status
}
return nil
}
type OutboundStatus struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@ -36,19 +83,25 @@ type OutboundStatus struct {
// @Document The time for probe request to finish.
//@Type time.ms
//@Restriction ReadOnlyForUser
Delay uint32 `protobuf:"varint,2,opt,name=delay,proto3" json:"delay,omitempty"`
Delay int64 `protobuf:"varint,2,opt,name=delay,proto3" json:"delay,omitempty"`
// @Document The last error caused this outbound failed to relay probe request
//@Restriction NotMachineReadable
LastErrorReason string `protobuf:"bytes,3,opt,name=last_error_reason,json=lastErrorReason,proto3" json:"last_error_reason,omitempty"`
// @Document The outbound tag for this Server
//@Type id.outboundTag
OutboundTag string `protobuf:"bytes,4,opt,name=outbound_tag,json=outboundTag,proto3" json:"outbound_tag,omitempty"`
// @Document The time this outbound is known to be alive
//@Type id.outboundTag
LastSeenTime int64 `protobuf:"varint,5,opt,name=last_seen_time,json=lastSeenTime,proto3" json:"last_seen_time,omitempty"`
// @Document The time this outbound is tried
//@Type id.outboundTag
LastTryTime int64 `protobuf:"varint,6,opt,name=last_try_time,json=lastTryTime,proto3" json:"last_try_time,omitempty"`
}
func (x *OutboundStatus) Reset() {
*x = OutboundStatus{}
if protoimpl.UnsafeEnabled {
mi := &file_app_observatory_config_proto_msgTypes[0]
mi := &file_app_observatory_config_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@ -61,7 +114,7 @@ func (x *OutboundStatus) String() string {
func (*OutboundStatus) ProtoMessage() {}
func (x *OutboundStatus) ProtoReflect() protoreflect.Message {
mi := &file_app_observatory_config_proto_msgTypes[0]
mi := &file_app_observatory_config_proto_msgTypes[1]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@ -74,7 +127,7 @@ func (x *OutboundStatus) ProtoReflect() protoreflect.Message {
// Deprecated: Use OutboundStatus.ProtoReflect.Descriptor instead.
func (*OutboundStatus) Descriptor() ([]byte, []int) {
return file_app_observatory_config_proto_rawDescGZIP(), []int{0}
return file_app_observatory_config_proto_rawDescGZIP(), []int{1}
}
func (x *OutboundStatus) GetAlive() bool {
@ -84,7 +137,7 @@ func (x *OutboundStatus) GetAlive() bool {
return false
}
func (x *OutboundStatus) GetDelay() uint32 {
func (x *OutboundStatus) GetDelay() int64 {
if x != nil {
return x.Delay
}
@ -105,6 +158,90 @@ func (x *OutboundStatus) GetOutboundTag() string {
return ""
}
func (x *OutboundStatus) GetLastSeenTime() int64 {
if x != nil {
return x.LastSeenTime
}
return 0
}
func (x *OutboundStatus) GetLastTryTime() int64 {
if x != nil {
return x.LastTryTime
}
return 0
}
type ProbeResult struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// @Document Whether this outbound is usable
//@Restriction ReadOnlyForUser
Alive bool `protobuf:"varint,1,opt,name=alive,proto3" json:"alive,omitempty"`
// @Document The time for probe request to finish.
//@Type time.ms
//@Restriction ReadOnlyForUser
Delay int64 `protobuf:"varint,2,opt,name=delay,proto3" json:"delay,omitempty"`
// @Document The error caused this outbound failed to relay probe request
//@Restriction NotMachineReadable
LastErrorReason string `protobuf:"bytes,3,opt,name=last_error_reason,json=lastErrorReason,proto3" json:"last_error_reason,omitempty"`
}
func (x *ProbeResult) Reset() {
*x = ProbeResult{}
if protoimpl.UnsafeEnabled {
mi := &file_app_observatory_config_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *ProbeResult) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*ProbeResult) ProtoMessage() {}
func (x *ProbeResult) ProtoReflect() protoreflect.Message {
mi := &file_app_observatory_config_proto_msgTypes[2]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use ProbeResult.ProtoReflect.Descriptor instead.
func (*ProbeResult) Descriptor() ([]byte, []int) {
return file_app_observatory_config_proto_rawDescGZIP(), []int{2}
}
func (x *ProbeResult) GetAlive() bool {
if x != nil {
return x.Alive
}
return false
}
func (x *ProbeResult) GetDelay() int64 {
if x != nil {
return x.Delay
}
return 0
}
func (x *ProbeResult) GetLastErrorReason() string {
if x != nil {
return x.LastErrorReason
}
return ""
}
type Intensity struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@ -118,7 +255,7 @@ type Intensity struct {
func (x *Intensity) Reset() {
*x = Intensity{}
if protoimpl.UnsafeEnabled {
mi := &file_app_observatory_config_proto_msgTypes[1]
mi := &file_app_observatory_config_proto_msgTypes[3]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@ -131,7 +268,7 @@ func (x *Intensity) String() string {
func (*Intensity) ProtoMessage() {}
func (x *Intensity) ProtoReflect() protoreflect.Message {
mi := &file_app_observatory_config_proto_msgTypes[1]
mi := &file_app_observatory_config_proto_msgTypes[3]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@ -144,7 +281,7 @@ func (x *Intensity) ProtoReflect() protoreflect.Message {
// Deprecated: Use Intensity.ProtoReflect.Descriptor instead.
func (*Intensity) Descriptor() ([]byte, []int) {
return file_app_observatory_config_proto_rawDescGZIP(), []int{1}
return file_app_observatory_config_proto_rawDescGZIP(), []int{3}
}
func (x *Intensity) GetProbeInterval() uint32 {
@ -166,7 +303,7 @@ type Config struct {
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_app_observatory_config_proto_msgTypes[2]
mi := &file_app_observatory_config_proto_msgTypes[4]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@ -179,7 +316,7 @@ func (x *Config) String() string {
func (*Config) ProtoMessage() {}
func (x *Config) ProtoReflect() protoreflect.Message {
mi := &file_app_observatory_config_proto_msgTypes[2]
mi := &file_app_observatory_config_proto_msgTypes[4]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@ -192,7 +329,7 @@ func (x *Config) ProtoReflect() protoreflect.Message {
// Deprecated: Use Config.ProtoReflect.Descriptor instead.
func (*Config) Descriptor() ([]byte, []int) {
return file_app_observatory_config_proto_rawDescGZIP(), []int{2}
return file_app_observatory_config_proto_rawDescGZIP(), []int{4}
}
func (x *Config) GetSubjectSelector() []string {
@ -208,30 +345,47 @@ var file_app_observatory_config_proto_rawDesc = []byte{
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}
var (
@ -246,18 +400,21 @@ func file_app_observatory_config_proto_rawDescGZIP() []byte {
return file_app_observatory_config_proto_rawDescData
}
var file_app_observatory_config_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
var file_app_observatory_config_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
var file_app_observatory_config_proto_goTypes = []interface{}{
(*OutboundStatus)(nil), // 0: v2ray.core.app.observatory.OutboundStatus
(*Intensity)(nil), // 1: v2ray.core.app.observatory.Intensity
(*Config)(nil), // 2: v2ray.core.app.observatory.Config
(*ObservationResult)(nil), // 0: v2ray.core.app.observatory.ObservationResult
(*OutboundStatus)(nil), // 1: v2ray.core.app.observatory.OutboundStatus
(*ProbeResult)(nil), // 2: v2ray.core.app.observatory.ProbeResult
(*Intensity)(nil), // 3: v2ray.core.app.observatory.Intensity
(*Config)(nil), // 4: v2ray.core.app.observatory.Config
}
var file_app_observatory_config_proto_depIdxs = []int32{
0, // [0:0] is the sub-list for method output_type
0, // [0:0] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
1, // 0: v2ray.core.app.observatory.ObservationResult.status:type_name -> v2ray.core.app.observatory.OutboundStatus
1, // [1:1] is the sub-list for method output_type
1, // [1:1] is the sub-list for method input_type
1, // [1:1] is the sub-list for extension type_name
1, // [1:1] is the sub-list for extension extendee
0, // [0:1] is the sub-list for field type_name
}
func init() { file_app_observatory_config_proto_init() }
@ -267,7 +424,7 @@ func file_app_observatory_config_proto_init() {
}
if !protoimpl.UnsafeEnabled {
file_app_observatory_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*OutboundStatus); i {
switch v := v.(*ObservationResult); i {
case 0:
return &v.state
case 1:
@ -279,7 +436,7 @@ func file_app_observatory_config_proto_init() {
}
}
file_app_observatory_config_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Intensity); i {
switch v := v.(*OutboundStatus); i {
case 0:
return &v.state
case 1:
@ -291,6 +448,30 @@ func file_app_observatory_config_proto_init() {
}
}
file_app_observatory_config_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*ProbeResult); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_observatory_config_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Intensity); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_app_observatory_config_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Config); i {
case 0:
return &v.state
@ -309,7 +490,7 @@ func file_app_observatory_config_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_app_observatory_config_proto_rawDesc,
NumEnums: 0,
NumMessages: 3,
NumMessages: 5,
NumExtensions: 0,
NumServices: 0,
},

View File

@ -19,7 +19,7 @@ message OutboundStatus{
@Type time.ms
@Restriction ReadOnlyForUser
*/
uint32 delay = 2;
int64 delay = 2;
/* @Document The last error caused this outbound failed to relay probe request
@Restriction NotMachineReadable
*/
@ -38,6 +38,22 @@ message OutboundStatus{
int64 last_try_time = 6;
}
message ProbeResult{
/* @Document Whether this outbound is usable
@Restriction ReadOnlyForUser
*/
bool alive = 1;
/* @Document The time for probe request to finish.
@Type time.ms
@Restriction ReadOnlyForUser
*/
int64 delay = 2;
/* @Document The error caused this outbound failed to relay probe request
@Restriction NotMachineReadable
*/
string last_error_reason = 3;
}
message Intensity{
/* @Document The time interval for a probe request in ms.
@Type time.ms

View File

@ -2,10 +2,20 @@ package observatory
import (
"context"
"github.com/golang/protobuf/proto"
core "github.com/v2fly/v2ray-core/v4"
"github.com/v2fly/v2ray-core/v4/common"
v2net "github.com/v2fly/v2ray-core/v4/common/net"
"github.com/v2fly/v2ray-core/v4/common/signal/done"
"github.com/v2fly/v2ray-core/v4/common/task"
"github.com/v2fly/v2ray-core/v4/features/extension"
"github.com/v2fly/v2ray-core/v4/features/outbound"
"github.com/v2fly/v2ray-core/v4/transport/internet/tagged"
"net"
"net/http"
"net/url"
"sync"
"time"
)
type Observer struct {
@ -13,13 +23,17 @@ type Observer struct {
ctx context.Context
statusLock sync.Mutex
status []OutboundStatus
status []*OutboundStatus
finished *done.Instance
ohm outbound.Manager
}
func (o *Observer) GetObservation(ctx context.Context) (proto.Message, error) {
return &ObservationResult{Status: o.status}, nil
}
func (o *Observer) Type() interface{} {
return extension.ObservatoryType()
}
@ -41,13 +55,136 @@ func (o *Observer) background() {
newError("outbound.Manager is not a HandlerSelector").WriteToLog()
return
}
outbounds := hs.Select(o.config.SubjectSelector)
o.updateStatus(outbounds)
for _, v := range outbounds {
result := o.probe(v)
o.updateStatusForResult(v, &result)
if o.finished.Done() {
return
}
time.Sleep(time.Second * 10)
}
}
}
func (o *Observer) updateStatus(outbounds []string) {
o.statusLock.Lock()
defer o.statusLock.Unlock()
o.status
//TODO should remove old inbound that is removed
}
func (o *Observer) probe(outbound string) ProbeResult {
httpTransport := http.Transport{
Proxy: func(*http.Request) (*url.URL, error) {
return nil, nil
},
DialContext: func(ctx context.Context, network string, addr string) (net.Conn, error) {
var connection net.Conn
taskErr := task.Run(ctx, func() error {
//MUST use V2Fly's built in context system
dest, err := v2net.ParseDestination(network + ":" + addr)
if err != nil {
return newError("cannot understand address").Base(err)
}
conn, err := tagged.Dialer(o.ctx, dest, outbound)
if err != nil {
return newError("cannot dial remote address", dest).Base(err)
}
connection = conn
return nil
})
if taskErr != nil {
return nil, newError("cannot finish connection").Base(taskErr)
}
return connection, nil
},
TLSHandshakeTimeout: time.Duration(time.Second * 5),
}
httpClient := &http.Client{
Transport: &httpTransport,
CheckRedirect: func(req *http.Request, via []*http.Request) error {
return http.ErrUseLastResponse
},
Jar: nil,
Timeout: time.Duration(time.Second * 5),
}
var GETTime time.Duration
err := task.Run(o.ctx, func() error {
startTime := time.Now()
response, err := httpClient.Get("https://api.v2fly.org/checkConnection.svgz")
if err != nil {
return newError("outbound failed to relay connection").Base(err)
}
if response.Body != nil {
response.Body.Close()
}
endTime := time.Now()
GETTime = endTime.Sub(startTime)
return nil
})
if err != nil {
newError("the outbound ", outbound, "is dead:").Base(err).AtInfo().WriteToLog()
return ProbeResult{Alive: false, LastErrorReason: err.Error()}
}
newError("the outbound ", outbound, "is alive:", GETTime.Seconds()).AtInfo().WriteToLog()
return ProbeResult{Alive: true, Delay: GETTime.Milliseconds()}
}
func (o *Observer) updateStatusForResult(outbound string, result *ProbeResult) {
o.statusLock.Lock()
defer o.statusLock.Unlock()
var status *OutboundStatus
if location := o.findStatusLocationLockHolderOnly(outbound); location != -1 {
status = o.status[location]
} else {
status = &OutboundStatus{}
o.status = append(o.status, status)
}
status.LastTryTime = time.Now().Unix()
status.OutboundTag = outbound
status.Alive = result.Alive
if result.Alive {
status.Delay = result.Delay
status.LastSeenTime = status.LastTryTime
status.LastErrorReason = ""
} else {
status.LastErrorReason = result.LastErrorReason
status.Delay = 99999999
}
}
func (o *Observer) findStatusLocationLockHolderOnly(outbound string) int {
for i, v := range o.status {
if v.OutboundTag == outbound {
return i
}
}
return -1
}
func New(ctx context.Context, config *Config) (*Observer, error) {
var outboundManager outbound.Manager
err := core.RequireFeatures(ctx, func(om outbound.Manager) {
outboundManager = om
})
if err != nil {
return nil, newError("Cannot get depended features").Base(err)
}
return &Observer{
config: config,
ctx: ctx,
ohm: outboundManager,
}, nil
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return New(ctx, config.(*Config))
}))
}