diff options
Diffstat (limited to 'src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/github.com/google/gopacket/layers/prism.go')
-rw-r--r-- | src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/github.com/google/gopacket/layers/prism.go | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/github.com/google/gopacket/layers/prism.go b/src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/github.com/google/gopacket/layers/prism.go deleted file mode 100644 index e1711e7f5b9..00000000000 --- a/src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/github.com/google/gopacket/layers/prism.go +++ /dev/null @@ -1,146 +0,0 @@ -// Copyright 2015 Google, Inc. All rights reserved. -// -// Use of this source code is governed by a BSD-style license -// that can be found in the LICENSE file in the root of the source -// tree. - -// http://www.tcpdump.org/linktypes/LINKTYPE_IEEE802_11_PRISM.html - -package layers - -import ( - "encoding/binary" - "errors" - - "github.com/google/gopacket" -) - -func decodePrismValue(data []byte, pv *PrismValue) { - pv.DID = PrismDID(binary.LittleEndian.Uint32(data[0:4])) - pv.Status = binary.LittleEndian.Uint16(data[4:6]) - pv.Length = binary.LittleEndian.Uint16(data[6:8]) - pv.Data = data[8 : 8+pv.Length] -} - -type PrismDID uint32 - -const ( - PrismDIDType1HostTime PrismDID = 0x10044 - PrismDIDType2HostTime PrismDID = 0x01041 - PrismDIDType1MACTime PrismDID = 0x20044 - PrismDIDType2MACTime PrismDID = 0x02041 - PrismDIDType1Channel PrismDID = 0x30044 - PrismDIDType2Channel PrismDID = 0x03041 - PrismDIDType1RSSI PrismDID = 0x40044 - PrismDIDType2RSSI PrismDID = 0x04041 - PrismDIDType1SignalQuality PrismDID = 0x50044 - PrismDIDType2SignalQuality PrismDID = 0x05041 - PrismDIDType1Signal PrismDID = 0x60044 - PrismDIDType2Signal PrismDID = 0x06041 - PrismDIDType1Noise PrismDID = 0x70044 - PrismDIDType2Noise PrismDID = 0x07041 - PrismDIDType1Rate PrismDID = 0x80044 - PrismDIDType2Rate PrismDID = 0x08041 - PrismDIDType1TransmittedFrameIndicator PrismDID = 0x90044 - PrismDIDType2TransmittedFrameIndicator PrismDID = 0x09041 - PrismDIDType1FrameLength PrismDID = 0xA0044 - PrismDIDType2FrameLength PrismDID = 0x0A041 -) - -const ( - PrismType1MessageCode uint16 = 0x00000044 - PrismType2MessageCode uint16 = 0x00000041 -) - -func (p PrismDID) String() string { - dids := map[PrismDID]string{ - PrismDIDType1HostTime: "Host Time", - PrismDIDType2HostTime: "Host Time", - PrismDIDType1MACTime: "MAC Time", - PrismDIDType2MACTime: "MAC Time", - PrismDIDType1Channel: "Channel", - PrismDIDType2Channel: "Channel", - PrismDIDType1RSSI: "RSSI", - PrismDIDType2RSSI: "RSSI", - PrismDIDType1SignalQuality: "Signal Quality", - PrismDIDType2SignalQuality: "Signal Quality", - PrismDIDType1Signal: "Signal", - PrismDIDType2Signal: "Signal", - PrismDIDType1Noise: "Noise", - PrismDIDType2Noise: "Noise", - PrismDIDType1Rate: "Rate", - PrismDIDType2Rate: "Rate", - PrismDIDType1TransmittedFrameIndicator: "Transmitted Frame Indicator", - PrismDIDType2TransmittedFrameIndicator: "Transmitted Frame Indicator", - PrismDIDType1FrameLength: "Frame Length", - PrismDIDType2FrameLength: "Frame Length", - } - - if str, ok := dids[p]; ok { - return str - } - - return "Unknown DID" -} - -type PrismValue struct { - DID PrismDID - Status uint16 - Length uint16 - Data []byte -} - -func (pv *PrismValue) IsSupplied() bool { - return pv.Status == 1 -} - -var ErrPrismExpectedMoreData = errors.New("Expected more data.") -var ErrPrismInvalidCode = errors.New("Invalid header code.") - -func decodePrismHeader(data []byte, p gopacket.PacketBuilder) error { - d := &PrismHeader{} - return decodingLayerDecoder(d, data, p) -} - -type PrismHeader struct { - BaseLayer - Code uint16 - Length uint16 - DeviceName string - Values []PrismValue -} - -func (m *PrismHeader) LayerType() gopacket.LayerType { return LayerTypePrismHeader } - -func (m *PrismHeader) DecodeFromBytes(data []byte, df gopacket.DecodeFeedback) error { - m.Code = binary.LittleEndian.Uint16(data[0:4]) - m.Length = binary.LittleEndian.Uint16(data[4:8]) - m.DeviceName = string(data[8:24]) - m.BaseLayer = BaseLayer{Contents: data[:m.Length], Payload: data[m.Length:len(data)]} - - switch m.Code { - case PrismType1MessageCode: - fallthrough - case PrismType2MessageCode: - // valid message code - default: - return ErrPrismInvalidCode - } - - offset := uint16(24) - - m.Values = make([]PrismValue, (m.Length-offset)/12) - for i := 0; i < len(m.Values); i++ { - decodePrismValue(data[offset:offset+12], &m.Values[i]) - offset += 12 - } - - if offset != m.Length { - return ErrPrismExpectedMoreData - } - - return nil -} - -func (m *PrismHeader) CanDecode() gopacket.LayerClass { return LayerTypePrismHeader } -func (m *PrismHeader) NextLayerType() gopacket.LayerType { return LayerTypeDot11 } |