package peer_protocol
-type (
- MessageType byte
- Integer uint32
-)
-
const (
- Choke MessageType = iota
- Unchoke
- Interested
- NotInterested
- Have
- Bitfield
- RequestType
- Piece
- Cancel
+ Protocol = "\x13BitTorrent protocol"
)
-type Request struct {
- Index, Begin, Length Integer
+type MessageType byte
+
+//go:generate stringer -type=MessageType
+
+func (mt MessageType) FastExtension() bool {
+ return mt >= Suggest && mt <= AllowedFast
}
-type Message struct {
- KeepAlive bool
- Type MessageType
- Bitfield []bool
- Piece []byte
+func (mt *MessageType) UnmarshalBinary(b []byte) error {
+ *mt = MessageType(b[0])
+ return nil
}
+
+const (
+ // BEP 3
+ Choke MessageType = 0
+ Unchoke MessageType = 1
+ Interested MessageType = 2
+ NotInterested MessageType = 3
+ Have MessageType = 4
+ Bitfield MessageType = 5
+ Request MessageType = 6
+ Piece MessageType = 7
+ Cancel MessageType = 8
+
+ // BEP 5
+ Port MessageType = 9
+
+ // BEP 6 - Fast extension
+ Suggest MessageType = 0x0d // 13
+ HaveAll MessageType = 0x0e // 14
+ HaveNone MessageType = 0x0f // 15
+ Reject MessageType = 0x10 // 16
+ AllowedFast MessageType = 0x11 // 17
+
+ // BEP 10
+ Extended MessageType = 20
+)
+
+const (
+ HandshakeExtendedID = 0
+
+ RequestMetadataExtensionMsgType ExtendedMetadataRequestMsgType = 0
+ DataMetadataExtensionMsgType ExtendedMetadataRequestMsgType = 1
+ RejectMetadataExtensionMsgType ExtendedMetadataRequestMsgType = 2
+)