v2ray-core/shell/point/inbound_detour_always.go

72 lines
1.9 KiB
Go

package point
import (
"v2ray.com/core/app"
"v2ray.com/core/common/dice"
"v2ray.com/core/common/log"
"v2ray.com/core/common/retry"
"v2ray.com/core/proxy"
proxyregistry "v2ray.com/core/proxy/registry"
)
// Handler for inbound detour connections.
type InboundDetourHandlerAlways struct {
space app.Space
config *InboundDetourConfig
ich []proxy.InboundHandler
}
func NewInboundDetourHandlerAlways(space app.Space, config *InboundDetourConfig) (*InboundDetourHandlerAlways, error) {
handler := &InboundDetourHandlerAlways{
space: space,
config: config,
}
ports := config.PortRange
handler.ich = make([]proxy.InboundHandler, 0, ports.To-ports.From+1)
for i := ports.FromPort(); i <= ports.ToPort(); i++ {
ichConfig := config.Settings
ich, err := proxyregistry.CreateInboundHandler(config.Protocol, space, ichConfig, &proxy.InboundHandlerMeta{
Address: config.ListenOn,
Port: i,
Tag: config.Tag,
StreamSettings: config.StreamSettings,
AllowPassiveConnection: config.AllowPassiveConnection,
})
if err != nil {
log.Error("Failed to create inbound connection handler: ", err)
return nil, err
}
handler.ich = append(handler.ich, ich)
}
return handler, nil
}
func (this *InboundDetourHandlerAlways) GetConnectionHandler() (proxy.InboundHandler, int) {
ich := this.ich[dice.Roll(len(this.ich))]
return ich, this.config.Allocation.Refresh
}
func (this *InboundDetourHandlerAlways) Close() {
for _, ich := range this.ich {
ich.Close()
}
}
// Starts the inbound connection handler.
func (this *InboundDetourHandlerAlways) Start() error {
for _, ich := range this.ich {
err := retry.Timed(100 /* times */, 100 /* ms */).On(func() error {
err := ich.Start()
if err != nil {
log.Error("Failed to start inbound detour:", err)
return err
}
return nil
})
if err != nil {
return err
}
}
return nil
}