mirror of
https://github.com/kubenetworks/kubevpn.git
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57 lines
1.8 KiB
Go
57 lines
1.8 KiB
Go
/*
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* Copyright (c) 2014,2019 by Farsight Security, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//go:generate ./genproto.sh
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package dnstap
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const outputChannelSize = 32
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// FSContentType is the FrameStream content type for dnstap protobuf data.
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var FSContentType = []byte("protobuf:dnstap.Dnstap")
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// An Input is a source of dnstap data. It provides validation of the
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// content type and will present any data read or received on the channel
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// provided to the ReadInto method.
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type Input interface {
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ReadInto(chan []byte)
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Wait()
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}
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// An Output is a destination for dnstap data. It accepts data on the channel
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// returned from the GetOutputChannel method. The RunOutputLoop() method
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// processes data received on this channel, and returns after the Close()
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// method is called.
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type Output interface {
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GetOutputChannel() chan []byte
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RunOutputLoop()
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Close()
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}
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// A Logger prints a formatted log message to the destination of the
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// implementation's choice. A Logger may be provided for some Input and
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// Output implementations for visibility into their ReadInto() and
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// RunOutputLoop() loops.
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//
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// The result of log.New() satisfies the Logger interface.
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type Logger interface {
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Printf(format string, v ...interface{})
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}
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type nullLogger struct{}
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func (n nullLogger) Printf(format string, v ...interface{}) {}
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