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path: root/peer/peer.go
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package peer

import (
	"bytes"
	"math/big"
	"net"
)

const (
	Idle = iota
	Connecting
	InHandshake
	Connected
	Failed
)

type Peer struct {
	conn       net.Conn
	Addr       *net.TCPAddr
	ID         []byte
	Valid      bool
	Choked     bool // remote
	Interested bool // remote
	Choking    bool // local
	Intersting bool // local
	Optimistic bool
	buf        *bytes.Buffer
	bitField   *big.Int // see Bit, SetBit ans Bytes
}

func NewPeer(addr string) (Peer, error) {
	a, err := net.ResolveTCPAddr("tcp", addr)
	if err != nil {
		return Peer{}, err
	}
	return Peer{Addr: a, Choked: true, Choking: true, bitField: new(big.Int)}, nil
}