peer_protocol/extended.go

   1 package peer_protocol
   2
   3 import "net"
   4
   5 // http://www.bittorrent.org/beps/bep_0010.html
   6 type (
   7         ExtendedHandshakeMessage struct {
   8                 M          map[ExtensionName]ExtensionNumber `bencode:"m"`
   9                 V          string                            `bencode:"v,omitempty"`
  10                 Reqq       int                               `bencode:"reqq,omitempty"`
  11                 Encryption bool                              `bencode:"e,omitempty"`
  12                 // BEP 9
  13                 MetadataSize int `bencode:"metadata_size,omitempty"`
  14                 // The local client port. It would be redundant for the receiving side of
  15                 // a connection to send this.
  16                 Port   int       `bencode:"p,omitempty"`
  17                 YourIp CompactIp `bencode:"yourip,omitempty"`
  18                 Ipv4   CompactIp `bencode:"ipv4,omitempty"`
  19                 Ipv6   net.IP    `bencode:"ipv6,omitempty"`
  20         }
  21
  22         ExtensionName   string
  23         ExtensionNumber int
  24 )
  25
  26 const (
  27         // http://www.bittorrent.org/beps/bep_0011.html
  28         ExtensionNamePex ExtensionName = "ut_pex"
  29         // http://bittorrent.org/beps/bep_0009.html. Note that there's an
  30         // LT_metadata, but I've never implemented it.
  31         ExtensionNameMetadata = "ut_metadata"
  32 )