2019-02-01 15:00:08 -05:00
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// +build !confonly
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2016-12-22 07:33:28 -05:00
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// Package blackhole is an outbound handler that blocks all connections.
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2015-10-28 12:41:14 -04:00
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package blackhole
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2021-02-16 15:31:50 -05:00
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//go:generate go run github.com/v2fly/v2ray-core/v4/common/errors/errorgen
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2017-04-08 19:43:25 -04:00
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2015-10-28 12:41:14 -04:00
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import (
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2017-01-12 18:56:21 -05:00
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"context"
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2017-01-10 09:10:12 -05:00
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"time"
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2021-02-16 15:31:50 -05:00
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"github.com/v2fly/v2ray-core/v4/common"
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"github.com/v2fly/v2ray-core/v4/transport"
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"github.com/v2fly/v2ray-core/v4/transport/internet"
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2015-10-28 12:41:14 -04:00
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)
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2017-02-10 10:50:45 -05:00
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// Handler is an outbound connection that silently swallow the entire payload.
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2016-12-21 15:43:00 -05:00
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type Handler struct {
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2016-09-22 06:01:36 -04:00
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response ResponseConfig
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2015-10-28 12:41:14 -04:00
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}
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2016-12-21 15:43:00 -05:00
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// New creates a new blackhole handler.
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2017-01-12 18:56:21 -05:00
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func New(ctx context.Context, config *Config) (*Handler, error) {
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2016-10-16 08:22:21 -04:00
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response, err := config.GetInternalResponse()
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2016-09-22 06:01:36 -04:00
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if err != nil {
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return nil, err
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}
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2016-12-21 15:43:00 -05:00
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return &Handler{
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response: response,
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}, nil
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2015-10-28 12:41:14 -04:00
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}
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2017-02-10 18:41:14 -05:00
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// Process implements OutboundHandler.Dispatch().
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2018-11-03 07:36:29 -04:00
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func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer internet.Dialer) error {
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2018-04-17 17:35:53 -04:00
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nBytes := h.response.WriteTo(link.Writer)
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if nBytes > 0 {
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// Sleep a little here to make sure the response is sent to client.
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time.Sleep(time.Second)
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}
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2018-12-31 15:25:10 -05:00
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common.Interrupt(link.Writer)
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2017-02-10 05:41:50 -05:00
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return nil
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2015-10-28 12:41:14 -04:00
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}
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2017-01-12 18:56:21 -05:00
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func init() {
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common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
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return New(ctx, config.(*Config))
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}))
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2016-06-14 16:54:08 -04:00
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}
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