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Add high-level boundary management interface
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I rewrote the router's boundary management part to implement dynamic management
from a high-level box interface. This also includes a number of changes I made
in the process of rewriting some messy parts, such as the Outbound tree
bottom-top starter.
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@beryll1um
beryll1um authored and Masami Eiri committed Oct 14, 2024
1 parent 137832f commit 0d7c3e6
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Showing 12 changed files with 473 additions and 336 deletions.
11 changes: 11 additions & 0 deletions adapter/router.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,8 @@ type Router interface {

Outbounds() []Outbound
Outbound(tag string) (Outbound, bool)
Inbound(tag string) (Inbound, bool)

DefaultOutbound(network string) (Outbound, error)

FakeIPStore() FakeIPStore
Expand Down Expand Up @@ -64,6 +66,15 @@ type Router interface {
SetV2RayServer(server V2RayServer)

ResetNetwork() error

StartOutbounds() error
StartInbounds() error

AddOutbound(outbound Outbound) error
AddInbound(inbound Inbound) error

RemoveOutbound(tag string) error
RemoveInbound(tag string) error
}

func ContextWithRouter(ctx context.Context, router Router) context.Context {
Expand Down
225 changes: 101 additions & 124 deletions box.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -29,16 +29,16 @@ import (
var _ adapter.Service = (*Box)(nil)

type Box struct {
createdAt time.Time
router adapter.Router
inbounds []adapter.Inbound
outbounds []adapter.Outbound
logFactory log.Factory
logger log.ContextLogger
preServices1 map[string]adapter.Service
preServices2 map[string]adapter.Service
postServices map[string]adapter.Service
done chan struct{}
createdAt time.Time
router adapter.Router
logFactory log.Factory
logger log.ContextLogger
preServices1 map[string]adapter.Service
preServices2 map[string]adapter.Service
postServices map[string]adapter.Service
platformInterface platform.Interface
ctx context.Context
done chan struct{}
}

type Options struct {
Expand Down Expand Up @@ -97,57 +97,6 @@ func New(options Options) (*Box, error) {
if err != nil {
return nil, E.Cause(err, "parse route options")
}
inbounds := make([]adapter.Inbound, 0, len(options.Inbounds))
outbounds := make([]adapter.Outbound, 0, len(options.Outbounds))
for i, inboundOptions := range options.Inbounds {
var in adapter.Inbound
var tag string
if inboundOptions.Tag != "" {
tag = inboundOptions.Tag
} else {
tag = F.ToString(i)
}
in, err = inbound.New(
ctx,
router,
logFactory.NewLogger(F.ToString("inbound/", inboundOptions.Type, "[", tag, "]")),
tag,
inboundOptions,
options.PlatformInterface,
)
if err != nil {
return nil, E.Cause(err, "parse inbound[", i, "]")
}
inbounds = append(inbounds, in)
}
for i, outboundOptions := range options.Outbounds {
var out adapter.Outbound
var tag string
if outboundOptions.Tag != "" {
tag = outboundOptions.Tag
} else {
tag = F.ToString(i)
}
out, err = outbound.New(
ctx,
router,
logFactory.NewLogger(F.ToString("outbound/", outboundOptions.Type, "[", tag, "]")),
tag,
outboundOptions)
if err != nil {
return nil, E.Cause(err, "parse outbound[", i, "]")
}
outbounds = append(outbounds, out)
}
err = router.Initialize(inbounds, outbounds, func() adapter.Outbound {
out, oErr := outbound.New(ctx, router, logFactory.NewLogger("outbound/direct"), "direct", option.Outbound{Type: "direct", Tag: "default"})
common.Must(oErr)
outbounds = append(outbounds, out)
return out
})
if err != nil {
return nil, err
}
if options.PlatformInterface != nil {
err = options.PlatformInterface.Initialize(ctx, router)
if err != nil {
Expand Down Expand Up @@ -183,18 +132,35 @@ func New(options Options) (*Box, error) {
router.SetV2RayServer(v2rayServer)
preServices2["v2ray api"] = v2rayServer
}
return &Box{
router: router,
inbounds: inbounds,
outbounds: outbounds,
createdAt: createdAt,
logFactory: logFactory,
logger: logFactory.Logger(),
preServices1: preServices1,
preServices2: preServices2,
postServices: postServices,
done: make(chan struct{}),
}, nil
box := &Box{
router: router,
createdAt: createdAt,
logFactory: logFactory,
logger: logFactory.Logger(),
preServices1: preServices1,
preServices2: preServices2,
postServices: postServices,
platformInterface: options.PlatformInterface,
ctx: ctx,
done: make(chan struct{}),
}
for i, outOpts := range options.Outbounds {
if outOpts.Tag == "" {
outOpts.Tag = F.ToString(i)
}
if err := box.AddOutbound(outOpts); err != nil {
return nil, E.Cause(err, "create outbound")
}
}
for i, inOpts := range options.Inbounds {
if inOpts.Tag == "" {
inOpts.Tag = F.ToString(i)
}
if err := box.AddInbound(inOpts); err != nil {
return nil, E.Cause(err, "create inbound")
}
}
return box, nil
}

func (s *Box) PreStart() error {
Expand Down Expand Up @@ -263,12 +229,10 @@ func (s *Box) preStart() error {
}
}
}
err = s.router.PreStart()
if err != nil {
if err := s.router.PreStart(); err != nil {
return E.Cause(err, "pre-start router")
}
err = s.startOutbounds()
if err != nil {
if err := s.router.StartOutbounds(); err != nil {
return err
}
return s.router.Start()
Expand All @@ -291,20 +255,10 @@ func (s *Box) start() error {
return E.Cause(err, "start ", serviceName)
}
}
for i, in := range s.inbounds {
var tag string
if in.Tag() == "" {
tag = F.ToString(i)
} else {
tag = in.Tag()
}
err = in.Start()
if err != nil {
return E.Cause(err, "initialize inbound/", in.Type(), "[", tag, "]")
}
if err := s.router.StartInbounds(); err != nil {
return E.Cause(err, "start inbounds")
}
err = s.postStart()
if err != nil {
if err = s.postStart(); err != nil {
return err
}
return s.router.Cleanup()
Expand All @@ -317,26 +271,8 @@ func (s *Box) postStart() error {
return E.Cause(err, "start ", serviceName)
}
}
// TODO: reorganize ALL start order
for _, out := range s.outbounds {
if lateOutbound, isLateOutbound := out.(adapter.PostStarter); isLateOutbound {
err := lateOutbound.PostStart()
if err != nil {
return E.Cause(err, "post-start outbound/", out.Tag())
}
}
}
err := s.router.PostStart()
if err != nil {
return err
}
for _, in := range s.inbounds {
if lateInbound, isLateInbound := in.(adapter.PostStarter); isLateInbound {
err = lateInbound.PostStart()
if err != nil {
return E.Cause(err, "post-start inbound/", in.Tag())
}
}
if err := s.router.PostStart(); err != nil {
return E.Cause(err, "post-start")
}
return nil
}
Expand All @@ -357,20 +293,6 @@ func (s *Box) Close() error {
})
monitor.Finish()
}
for i, in := range s.inbounds {
monitor.Start("close inbound/", in.Type(), "[", i, "]")
errors = E.Append(errors, in.Close(), func(err error) error {
return E.Cause(err, "close inbound/", in.Type(), "[", i, "]")
})
monitor.Finish()
}
for i, out := range s.outbounds {
monitor.Start("close outbound/", out.Type(), "[", i, "]")
errors = E.Append(errors, common.Close(out), func(err error) error {
return E.Cause(err, "close outbound/", out.Type(), "[", i, "]")
})
monitor.Finish()
}
monitor.Start("close router")
if err := common.Close(s.router); err != nil {
errors = E.Append(errors, err, func(err error) error {
Expand Down Expand Up @@ -403,3 +325,58 @@ func (s *Box) Close() error {
func (s *Box) Router() adapter.Router {
return s.router
}

func (s *Box) AddOutbound(option option.Outbound) error {
if option.Tag == "" {
return E.New("empty tag")
}
out, err := outbound.New(
s.ctx,
s.router,
s.logFactory.NewLogger(F.ToString("outbound/", option.Type, "[", option.Tag, "]")),
option.Tag,
option,
)
if err != nil {
return E.Cause(err, "parse addited outbound")
}
if err := s.router.AddOutbound(out); err != nil {
return E.Cause(err, "outbound/", option.Type, "[", option.Tag, "]")
}
return nil
}

func (s *Box) AddInbound(option option.Inbound) error {
if option.Tag == "" {
return E.New("empty tag")
}
in, err := inbound.New(
s.ctx,
s.router,
s.logFactory.NewLogger(F.ToString("inbound/", option.Type, "[", option.Tag, "]")),
option.Tag,
option,
s.platformInterface,
)
if err != nil {
return E.Cause(err, "parse addited inbound")
}
if err := s.router.AddInbound(in); err != nil {
return E.Cause(err, "inbound/", option.Type, "[", option.Tag, "]")
}
return nil
}

func (s *Box) RemoveOutbound(tag string) error {
if err := s.router.RemoveOutbound(tag); err != nil {
return E.Cause(err, "outbound[", tag, "]")
}
return nil
}

func (s *Box) RemoveInbound(tag string) error {
if err := s.router.RemoveInbound(tag); err != nil {
return E.Cause(err, "inbound[", tag, "]")
}
return nil
}
85 changes: 0 additions & 85 deletions box_outbound.go
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