mirror of https://github.com/v2ray/v2ray-core
74 lines
2.0 KiB
Go
74 lines
2.0 KiB
Go
package core
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import (
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"v2ray.com/core/app"
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"v2ray.com/core/common/dice"
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"v2ray.com/core/common/log"
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"v2ray.com/core/common/retry"
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"v2ray.com/core/proxy"
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)
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// InboundDetourHandlerAlways is a handler for inbound detour connections.
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type InboundDetourHandlerAlways struct {
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space app.Space
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config *InboundConnectionConfig
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ich []proxy.InboundHandler
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}
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func NewInboundDetourHandlerAlways(space app.Space, config *InboundConnectionConfig) (*InboundDetourHandlerAlways, error) {
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handler := &InboundDetourHandlerAlways{
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space: space,
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config: config,
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}
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ports := config.PortRange
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handler.ich = make([]proxy.InboundHandler, 0, ports.To-ports.From+1)
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for i := ports.FromPort(); i <= ports.ToPort(); i++ {
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ichConfig, err := config.GetTypedSettings()
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if err != nil {
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return nil, err
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}
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ich, err := proxy.CreateInboundHandler(config.Settings.Type, space, ichConfig, &proxy.InboundHandlerMeta{
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Address: config.GetListenOnValue(),
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Port: i,
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Tag: config.Tag,
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StreamSettings: config.StreamSettings,
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AllowPassiveConnection: config.AllowPassiveConnection,
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})
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if err != nil {
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log.Error("Failed to create inbound connection handler: ", err)
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return nil, err
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}
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handler.ich = append(handler.ich, ich)
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}
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return handler, nil
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}
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func (v *InboundDetourHandlerAlways) GetConnectionHandler() (proxy.InboundHandler, int) {
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ich := v.ich[dice.Roll(len(v.ich))]
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return ich, int(v.config.GetAllocationStrategyValue().Refresh.GetValue())
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}
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func (v *InboundDetourHandlerAlways) Close() {
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for _, ich := range v.ich {
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ich.Close()
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}
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}
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// Start starts the inbound connection handler.
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func (v *InboundDetourHandlerAlways) Start() error {
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for _, ich := range v.ich {
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err := retry.ExponentialBackoff(10 /* times */, 200 /* ms */).On(func() error {
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err := ich.Start()
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if err != nil {
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log.Error("Failed to start inbound detour:", err)
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return err
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}
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return nil
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})
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if err != nil {
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return err
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}
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}
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return nil
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}
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