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blackhole.go
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blackhole.go
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// Package blackhole is an outbound handler that blocks all connections.
package blackhole
import (
"v2ray.com/core/app"
"v2ray.com/core/common/buf"
v2net "v2ray.com/core/common/net"
"v2ray.com/core/proxy"
"v2ray.com/core/transport/ray"
)
// Handler is an outbound connection that sliently swallow the entire payload.
type Handler struct {
meta *proxy.OutboundHandlerMeta
response ResponseConfig
}
// New creates a new blackhole handler.
func New(space app.Space, config *Config, meta *proxy.OutboundHandlerMeta) (proxy.OutboundHandler, error) {
response, err := config.GetInternalResponse()
if err != nil {
return nil, err
}
return &Handler{
meta: meta,
response: response,
}, nil
}
// Dispatch implements OutboundHandler.Dispatch().
func (v *Handler) Dispatch(destination v2net.Destination, payload *buf.Buffer, ray ray.OutboundRay) {
payload.Release()
v.response.WriteTo(ray.OutboundOutput())
ray.OutboundOutput().Close()
ray.OutboundInput().Release()
}
// Factory is an utility for creating blackhole handlers.
type Factory struct{}
// StreamCapability implements OutboundHandlerFactory.StreamCapability().
func (v *Factory) StreamCapability() v2net.NetworkList {
return v2net.NetworkList{
Network: []v2net.Network{v2net.Network_RawTCP},
}
}
// Create implements OutboundHandlerFactory.Create().
func (v *Factory) Create(space app.Space, config interface{}, meta *proxy.OutboundHandlerMeta) (proxy.OutboundHandler, error) {
return New(space, config.(*Config), meta)
}