53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
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package peer_protocol
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const (
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Protocol = "\x13BitTorrent protocol"
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)
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type MessageType byte
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//go:generate stringer -type=MessageType
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func (mt MessageType) FastExtension() bool {
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return mt >= Suggest && mt <= AllowedFast
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}
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func (mt *MessageType) UnmarshalBinary(b []byte) error {
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*mt = MessageType(b[0])
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return nil
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}
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const (
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// BEP 3
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Choke MessageType = 0
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Unchoke MessageType = 1
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Interested MessageType = 2
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NotInterested MessageType = 3
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Have MessageType = 4
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Bitfield MessageType = 5
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Request MessageType = 6
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Piece MessageType = 7
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Cancel MessageType = 8
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// BEP 5
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Port MessageType = 9
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// BEP 6 - Fast extension
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Suggest MessageType = 0x0d // 13
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HaveAll MessageType = 0x0e // 14
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HaveNone MessageType = 0x0f // 15
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Reject MessageType = 0x10 // 16
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AllowedFast MessageType = 0x11 // 17
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// BEP 10
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Extended MessageType = 20
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)
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const (
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HandshakeExtendedID = 0
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RequestMetadataExtensionMsgType ExtendedMetadataRequestMsgType = 0
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DataMetadataExtensionMsgType ExtendedMetadataRequestMsgType = 1
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RejectMetadataExtensionMsgType ExtendedMetadataRequestMsgType = 2
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)
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