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specwrapper.go
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/
specwrapper.go
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// Copyright 2021 The Swarm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package p2p
import (
"context"
"errors"
"time"
)
var ErrUnexpected = errors.New("unexpected request while in light mode")
// WithDisconnectStreams will mutate the given spec and replace the handler with a always erroring one.
func WithDisconnectStreams(spec ProtocolSpec) {
for i := range spec.StreamSpecs {
spec.StreamSpecs[i].Handler = func(c context.Context, p Peer, s Stream) error {
return NewDisconnectError(ErrUnexpected)
}
}
}
// WithBlocklistStreams will mutate the given spec and replace the handler with a always erroring one.
func WithBlocklistStreams(dur time.Duration, spec ProtocolSpec) {
for i := range spec.StreamSpecs {
spec.StreamSpecs[i].Handler = func(c context.Context, p Peer, s Stream) error {
return NewBlockPeerError(dur, ErrUnexpected)
}
}
}