ceremonyclient/go-libp2p-gostream/conn.go

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package gostream
import (
"context"
"net"
"github.com/libp2p/go-libp2p/core/host"
"github.com/libp2p/go-libp2p/core/network"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/libp2p/go-libp2p/core/protocol"
)
// conn is an implementation of net.Conn which wraps
// libp2p streams.
type conn struct {
network.Stream
}
// newConn creates a conn given a libp2p stream
func newConn(s network.Stream) net.Conn {
return &conn{s}
}
// LocalAddr returns the local network address.
func (c *conn) LocalAddr() net.Addr {
return &addr{c.Stream.Conn().LocalPeer()}
}
// RemoteAddr returns the remote network address.
func (c *conn) RemoteAddr() net.Addr {
return &addr{c.Stream.Conn().RemotePeer()}
}
// Dial opens a stream to the destination address
// (which should parseable to a peer ID) using the given
// host and returns it as a standard net.Conn.
func Dial(ctx context.Context, h host.Host, pid peer.ID, tag protocol.ID) (net.Conn, error) {
s, err := h.NewStream(ctx, pid, tag)
if err != nil {
return nil, err
}
return newConn(s), nil
}