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connection.go
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connection.go
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package i2p
import (
"net"
"time"
"github.com/joomcode/errorx"
ma "github.com/multiformats/go-multiaddr"
)
type netAddr struct {
str string
}
func (n *netAddr) String() string {
return ""
}
func (n *netAddr) Network() string {
return "I2P"
}
// ConnWithoutAddr is a net.Conn like but without LocalAddr and RemoteAddr.
type ConnWithoutAddr interface {
Read(b []byte) (n int, err error)
Write(b []byte) (n int, err error)
Close() error
SetDeadline(t time.Time) error
SetReadDeadline(t time.Time) error
SetWriteDeadline(t time.Time) error
}
//This struct only exists to satify libp2p interfaces
type Connection struct {
ConnWithoutAddr
localAddr ma.Multiaddr
remoteAddr ma.Multiaddr
localNetAddr net.Addr
remoteNetAddr net.Addr
}
func NewConnection(conn ConnWithoutAddr, localAddr, remoteAddr ma.Multiaddr) (*Connection, error) {
localNetAddrStr, err := MultiAddrToI2PAddr(localAddr) //manet.ToNetAddr(localAddr)
if err != nil {
return nil, errorx.Decorate(err, "Failed to convert MultiAddr to NetAddr")
}
remoteNetAddrStr, err := MultiAddrToI2PAddr(remoteAddr) //manet.ToNetAddr(remoteAddr)
if err != nil {
return nil, errorx.Decorate(err, "Failed to convert MultiAddr to NetAddr")
}
return &Connection{
ConnWithoutAddr: conn,
localAddr: localAddr,
remoteAddr: remoteAddr,
localNetAddr: &netAddr{localNetAddrStr},
remoteNetAddr: &netAddr{remoteNetAddrStr},
}, nil
}
//I don't think these are used anywhere.. but must match the interface
func (c *Connection) LocalAddr() net.Addr {
return c.localNetAddr
}
func (c *Connection) RemoteAddr() net.Addr {
return c.remoteNetAddr
}
func (c *Connection) RemoteMultiaddr() ma.Multiaddr {
return c.remoteAddr
}
func (c *Connection) LocalMultiaddr() ma.Multiaddr {
return c.localAddr
}